Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/boltons/urlutils.py @ 0:26e78fe6e8c4 draft

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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
author shellac
date Sat, 02 May 2020 07:14:21 -0400
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0
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1 # -*- coding: utf-8 -*-
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2 """:mod:`urlutils` is a module dedicated to one of software's most
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3 versatile, well-aged, and beloved data structures: the URL, also known
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4 as the `Uniform Resource Locator`_.
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5
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6 Among other things, this module is a full reimplementation of URLs,
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7 without any reliance on the :mod:`urlparse` or :mod:`urllib` standard
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8 library modules. The centerpiece and top-level interface of urlutils
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9 is the :class:`URL` type. Also featured is the :func:`find_all_links`
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10 convenience function. Some low-level functions and constants are also
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11 below.
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12
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13 The implementations in this module are based heavily on `RFC 3986`_ and
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14 `RFC 3987`_, and incorporates details from several other RFCs and `W3C
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15 documents`_.
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16
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17 .. _Uniform Resource Locator: https://en.wikipedia.org/wiki/Uniform_Resource_Locator
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18 .. _RFC 3986: https://tools.ietf.org/html/rfc3986
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19 .. _RFC 3987: https://tools.ietf.org/html/rfc3987
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20 .. _W3C documents: https://www.w3.org/TR/uri-clarification/
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21
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22 """
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23
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24 import re
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25 import socket
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26 import string
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27 from unicodedata import normalize
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28
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29 unicode = type(u'')
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30 try:
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31 unichr
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32 except NameError:
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33 unichr = chr
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34
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35 # The unreserved URI characters (per RFC 3986 Section 2.3)
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36 _UNRESERVED_CHARS = frozenset('~-._0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'
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37 'abcdefghijklmnopqrstuvwxyz')
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38
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39 # URL parsing regex (based on RFC 3986 Appendix B, with modifications)
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40 _URL_RE = re.compile(r'^((?P<scheme>[^:/?#]+):)?'
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41 r'((?P<_netloc_sep>//)(?P<authority>[^/?#]*))?'
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42 r'(?P<path>[^?#]*)'
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43 r'(\?(?P<query>[^#]*))?'
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44 r'(#(?P<fragment>.*))?')
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45
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46
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47 _HEX_CHAR_MAP = dict([((a + b).encode('ascii'),
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48 unichr(int(a + b, 16)).encode('charmap'))
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49 for a in string.hexdigits for b in string.hexdigits])
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50 _ASCII_RE = re.compile('([\x00-\x7f]+)')
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51
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52
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53 # This port list painstakingly curated by hand searching through
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54 # https://www.iana.org/assignments/uri-schemes/uri-schemes.xhtml
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55 # and
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56 # https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml
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57 SCHEME_PORT_MAP = {'acap': 674, 'afp': 548, 'dict': 2628, 'dns': 53,
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58 'file': None, 'ftp': 21, 'git': 9418, 'gopher': 70,
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59 'http': 80, 'https': 443, 'imap': 143, 'ipp': 631,
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60 'ipps': 631, 'irc': 194, 'ircs': 6697, 'ldap': 389,
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61 'ldaps': 636, 'mms': 1755, 'msrp': 2855, 'msrps': None,
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62 'mtqp': 1038, 'nfs': 111, 'nntp': 119, 'nntps': 563,
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63 'pop': 110, 'prospero': 1525, 'redis': 6379, 'rsync': 873,
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64 'rtsp': 554, 'rtsps': 322, 'rtspu': 5005, 'sftp': 22,
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65 'smb': 445, 'snmp': 161, 'ssh': 22, 'steam': None,
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66 'svn': 3690, 'telnet': 23, 'ventrilo': 3784, 'vnc': 5900,
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67 'wais': 210, 'ws': 80, 'wss': 443, 'xmpp': None}
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68
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69 # This list of schemes that don't use authorities is also from the link above.
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70 NO_NETLOC_SCHEMES = set(['urn', 'about', 'bitcoin', 'blob', 'data', 'geo',
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71 'magnet', 'mailto', 'news', 'pkcs11',
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72 'sip', 'sips', 'tel'])
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73 # As of Mar 11, 2017, there were 44 netloc schemes, and 13 non-netloc
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74
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75 # RFC 3986 section 2.2, Reserved Characters
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76 _GEN_DELIMS = frozenset(u':/?#[]@')
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77 _SUB_DELIMS = frozenset(u"!$&'()*+,;=")
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78 _ALL_DELIMS = _GEN_DELIMS | _SUB_DELIMS
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79
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80 _USERINFO_SAFE = _UNRESERVED_CHARS | _SUB_DELIMS
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81 _USERINFO_DELIMS = _ALL_DELIMS - _USERINFO_SAFE
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82 _PATH_SAFE = _UNRESERVED_CHARS | _SUB_DELIMS | set(u':@')
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83 _PATH_DELIMS = _ALL_DELIMS - _PATH_SAFE
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84 _FRAGMENT_SAFE = _UNRESERVED_CHARS | _PATH_SAFE | set(u'/?')
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85 _FRAGMENT_DELIMS = _ALL_DELIMS - _FRAGMENT_SAFE
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86 _QUERY_SAFE = _UNRESERVED_CHARS | _FRAGMENT_SAFE - set(u'&=+')
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87 _QUERY_DELIMS = _ALL_DELIMS - _QUERY_SAFE
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88
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89
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90 class URLParseError(ValueError):
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91 """Exception inheriting from :exc:`ValueError`, raised when failing to
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92 parse a URL. Mostly raised on invalid ports and IPv6 addresses.
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93 """
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94 pass
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95
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96
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97 DEFAULT_ENCODING = 'utf8'
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98
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99
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100 def to_unicode(obj):
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101 try:
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102 return unicode(obj)
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103 except UnicodeDecodeError:
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104 return unicode(obj, encoding=DEFAULT_ENCODING)
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105
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106
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107 # regex from gruber via tornado
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108 # doesn't support ipv6
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109 # doesn't support mailto (netloc-less schemes)
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110 _FIND_ALL_URL_RE = re.compile(to_unicode(r"""\b((?:([\w-]+):(/{1,3})|www[.])(?:(?:(?:[^\s&()<>]|&amp;|&quot;)*(?:[^!"#$%'()*+,.:;<=>?@\[\]^`{|}~\s]))|(?:\((?:[^\s&()]|&amp;|&quot;)*\)))+)"""))
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111
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112
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113 def find_all_links(text, with_text=False, default_scheme='https', schemes=()):
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114 """This function uses heuristics to searches plain text for strings
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115 that look like URLs, returning a :class:`list` of :class:`URL`
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116 objects. It supports limiting the accepted schemes, and returning
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117 interleaved text as well.
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118
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119 >>> find_all_links('Visit https://boltons.rtfd.org!')
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120 [URL(u'https://boltons.rtfd.org')]
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121 >>> find_all_links('Visit https://boltons.rtfd.org!', with_text=True)
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122 [u'Visit ', URL(u'https://boltons.rtfd.org'), u'!']
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123
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124 Args:
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125 text (str): The text to search.
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126
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127 with_text (bool): Whether or not to interleave plaintext blocks
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128 with the returned URL objects. Having all tokens can be
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129 useful for transforming the text, e.g., replacing links with
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130 HTML equivalents. Defaults to ``False``.
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131
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132 default_scheme (str): Many URLs are written without the scheme
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133 component. This function can match a reasonable subset of
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134 those, provided *default_scheme* is set to a string. Set to
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135 ``False`` to disable matching scheme-less URLs. Defaults to
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136 ``'https'``.
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137
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138 schemes (list): A list of strings that a URL's scheme must
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139 match in order to be included in the results. Defaults to
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140 empty, which matches all schemes.
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141
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142 .. note:: Currently this function does not support finding IPv6
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143 addresses or URLs with netloc-less schemes, like mailto.
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144
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145 """
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146 text = to_unicode(text)
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147 prev_end, start, end = 0, None, None
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148 ret = []
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149 _add = ret.append
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150
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151 def _add_text(t):
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152 if ret and isinstance(ret[-1], unicode):
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153 ret[-1] += t
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154 else:
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155 _add(t)
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156
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157 for match in _FIND_ALL_URL_RE.finditer(text):
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158 start, end = match.start(1), match.end(1)
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159 if prev_end < start and with_text:
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160 _add(text[prev_end:start])
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161 prev_end = end
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162 try:
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163 cur_url_text = match.group(0)
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164 cur_url = URL(cur_url_text)
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165 if not cur_url.scheme:
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166 if default_scheme:
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167 cur_url = URL(default_scheme + '://' + cur_url_text)
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168 else:
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169 _add_text(text[start:end])
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170 continue
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171 if schemes and cur_url.scheme not in schemes:
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172 _add_text(text[start:end])
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173 else:
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174 _add(cur_url)
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175 except URLParseError:
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176 # currently this should only be hit with broken port
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177 # strings. the regex above doesn't support ipv6 addresses
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178 if with_text:
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179 _add_text(text[start:end])
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180
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181 if with_text:
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182 tail = text[prev_end:]
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183 if tail:
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184 _add_text(tail)
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185
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186 return ret
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187
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188
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189 def _make_quote_map(safe_chars):
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190 ret = {}
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191 # v is included in the dict for py3 mostly, because bytestrings
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192 # are iterables of ints, of course!
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193 for i, v in zip(range(256), range(256)):
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194 c = chr(v)
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195 if c in safe_chars:
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196 ret[c] = ret[v] = c
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197 else:
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198 ret[c] = ret[v] = '%{0:02X}'.format(i)
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199 return ret
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200
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201
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202 _USERINFO_PART_QUOTE_MAP = _make_quote_map(_USERINFO_SAFE)
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203 _PATH_PART_QUOTE_MAP = _make_quote_map(_PATH_SAFE)
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204 _QUERY_PART_QUOTE_MAP = _make_quote_map(_QUERY_SAFE)
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205 _FRAGMENT_QUOTE_MAP = _make_quote_map(_FRAGMENT_SAFE)
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206
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207
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208 def quote_path_part(text, full_quote=True):
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209 """
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210 Percent-encode a single segment of a URL path.
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211 """
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212 if full_quote:
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213 bytestr = normalize('NFC', to_unicode(text)).encode('utf8')
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214 return u''.join([_PATH_PART_QUOTE_MAP[b] for b in bytestr])
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215 return u''.join([_PATH_PART_QUOTE_MAP[t] if t in _PATH_DELIMS else t
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216 for t in text])
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217
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218
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219 def quote_query_part(text, full_quote=True):
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220 """
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221 Percent-encode a single query string key or value.
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222 """
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223 if full_quote:
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224 bytestr = normalize('NFC', to_unicode(text)).encode('utf8')
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225 return u''.join([_QUERY_PART_QUOTE_MAP[b] for b in bytestr])
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226 return u''.join([_QUERY_PART_QUOTE_MAP[t] if t in _QUERY_DELIMS else t
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227 for t in text])
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228
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229
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230 def quote_fragment_part(text, full_quote=True):
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231 """Quote the fragment part of the URL. Fragments don't have
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232 subdelimiters, so the whole URL fragment can be passed.
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233 """
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234 if full_quote:
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235 bytestr = normalize('NFC', to_unicode(text)).encode('utf8')
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236 return u''.join([_FRAGMENT_QUOTE_MAP[b] for b in bytestr])
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237 return u''.join([_FRAGMENT_QUOTE_MAP[t] if t in _FRAGMENT_DELIMS else t
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238 for t in text])
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239
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240
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241 def quote_userinfo_part(text, full_quote=True):
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242 """Quote special characters in either the username or password
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243 section of the URL. Note that userinfo in URLs is considered
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diff changeset
244 deprecated in many circles (especially browsers), and support for
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diff changeset
245 percent-encoded userinfo can be spotty.
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diff changeset
246 """
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diff changeset
247 if full_quote:
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diff changeset
248 bytestr = normalize('NFC', to_unicode(text)).encode('utf8')
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diff changeset
249 return u''.join([_USERINFO_PART_QUOTE_MAP[b] for b in bytestr])
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diff changeset
250 return u''.join([_USERINFO_PART_QUOTE_MAP[t] if t in _USERINFO_DELIMS
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diff changeset
251 else t for t in text])
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252
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253
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diff changeset
254 def unquote(string, encoding='utf-8', errors='replace'):
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diff changeset
255 """Percent-decode a string, by replacing %xx escapes with their
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diff changeset
256 single-character equivalent. The optional *encoding* and *errors*
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257 parameters specify how to decode percent-encoded sequences into
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diff changeset
258 Unicode characters, as accepted by the :meth:`bytes.decode()` method. By
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diff changeset
259 default, percent-encoded sequences are decoded with UTF-8, and
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diff changeset
260 invalid sequences are replaced by a placeholder character.
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261
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diff changeset
262 >>> unquote(u'abc%20def')
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diff changeset
263 u'abc def'
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diff changeset
264 """
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265 if '%' not in string:
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266 string.split
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267 return string
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268 if encoding is None:
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269 encoding = 'utf-8'
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270 if errors is None:
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271 errors = 'replace'
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272 bits = _ASCII_RE.split(string)
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273 res = [bits[0]]
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274 append = res.append
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275 for i in range(1, len(bits), 2):
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276 append(unquote_to_bytes(bits[i]).decode(encoding, errors))
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277 append(bits[i + 1])
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278 return ''.join(res)
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279
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280
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281 def unquote_to_bytes(string):
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282 """unquote_to_bytes('abc%20def') -> b'abc def'."""
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283 # Note: strings are encoded as UTF-8. This is only an issue if it contains
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284 # unescaped non-ASCII characters, which URIs should not.
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diff changeset
285 if not string:
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286 # Is it a string-like object?
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diff changeset
287 string.split
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288 return b''
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parents:
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289 if isinstance(string, unicode):
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290 string = string.encode('utf-8')
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diff changeset
291 bits = string.split(b'%')
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diff changeset
292 if len(bits) == 1:
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293 return string
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294 # import pdb;pdb.set_trace()
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295 res = [bits[0]]
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296 append = res.append
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297
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parents:
diff changeset
298 for item in bits[1:]:
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parents:
diff changeset
299 try:
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300 append(_HEX_CHAR_MAP[item[:2]])
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parents:
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301 append(item[2:])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
302 except KeyError:
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parents:
diff changeset
303 append(b'%')
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parents:
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304 append(item)
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305 return b''.join(res)
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parents:
diff changeset
306
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diff changeset
307
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parents:
diff changeset
308 def register_scheme(text, uses_netloc=None, default_port=None):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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diff changeset
309 """Registers new scheme information, resulting in correct port and
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diff changeset
310 slash behavior from the URL object. There are dozens of standard
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
311 schemes preregistered, so this function is mostly meant for
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parents:
diff changeset
312 proprietary internal customizations or stopgaps on missing
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parents:
diff changeset
313 standards information. If a scheme seems to be missing, please
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
314 `file an issue`_!
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parents:
diff changeset
315
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parents:
diff changeset
316 Args:
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parents:
diff changeset
317 text (str): Text representing the scheme.
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parents:
diff changeset
318 (the 'http' in 'http://hatnote.com')
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parents:
diff changeset
319 uses_netloc (bool): Does the scheme support specifying a
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
320 network host? For instance, "http" does, "mailto" does not.
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parents:
diff changeset
321 default_port (int): The default port, if any, for netloc-using
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parents:
diff changeset
322 schemes.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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diff changeset
323
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
324 .. _file an issue: https://github.com/mahmoud/boltons/issues
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parents:
diff changeset
325 """
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parents:
diff changeset
326 text = text.lower()
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parents:
diff changeset
327 if default_port is not None:
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parents:
diff changeset
328 try:
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parents:
diff changeset
329 default_port = int(default_port)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
330 except ValueError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
331 raise ValueError('default_port expected integer or None, not %r'
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
332 % (default_port,))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
333
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
334 if uses_netloc is True:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
335 SCHEME_PORT_MAP[text] = default_port
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
336 elif uses_netloc is False:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
337 if default_port is not None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
338 raise ValueError('unexpected default port while specifying'
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
339 ' non-netloc scheme: %r' % default_port)
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parents:
diff changeset
340 NO_NETLOC_SCHEMES.add(text)
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parents:
diff changeset
341 elif uses_netloc is not None:
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parents:
diff changeset
342 raise ValueError('uses_netloc expected True, False, or None')
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parents:
diff changeset
343
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shellac
parents:
diff changeset
344 return
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parents:
diff changeset
345
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diff changeset
346
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
347 def resolve_path_parts(path_parts):
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diff changeset
348 """Normalize the URL path by resolving segments of '.' and '..',
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
349 resulting in a dot-free path. See RFC 3986 section 5.2.4, Remove
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
350 Dot Segments.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
351 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
352 # TODO: what to do with multiple slashes
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parents:
diff changeset
353 ret = []
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parents:
diff changeset
354
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
355 for part in path_parts:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
356 if part == u'.':
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shellac
parents:
diff changeset
357 pass
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
358 elif part == u'..':
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
359 if ret and (len(ret) > 1 or ret[0]): # prevent unrooting
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shellac
parents:
diff changeset
360 ret.pop()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
361 else:
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parents:
diff changeset
362 ret.append(part)
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parents:
diff changeset
363
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
364 if list(path_parts[-1:]) in ([u'.'], [u'..']):
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shellac
parents:
diff changeset
365 ret.append(u'')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
366
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shellac
parents:
diff changeset
367 return ret
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shellac
parents:
diff changeset
368
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
369
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
370 class cachedproperty(object):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
371 """The ``cachedproperty`` is used similar to :class:`property`, except
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
372 that the wrapped method is only called once. This is commonly used
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
373 to implement lazy attributes.
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374
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375 After the property has been accessed, the value is stored on the
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376 instance itself, using the same name as the cachedproperty. This
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377 allows the cache to be cleared with :func:`delattr`, or through
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378 manipulating the object's ``__dict__``.
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379 """
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380 def __init__(self, func):
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381 self.__doc__ = getattr(func, '__doc__')
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382 self.func = func
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383
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384 def __get__(self, obj, objtype=None):
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385 if obj is None:
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386 return self
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387 value = obj.__dict__[self.func.__name__] = self.func(obj)
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388 return value
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389
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390 def __repr__(self):
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391 cn = self.__class__.__name__
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392 return '<%s func=%s>' % (cn, self.func)
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393
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394
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395 class URL(object):
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396 r"""The URL is one of the most ubiquitous data structures in the
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397 virtual and physical landscape. From blogs to billboards, URLs are
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398 so common, that it's easy to overlook their complexity and
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399 power.
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400
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401 There are 8 parts of a URL, each with its own semantics and
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402 special characters:
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403
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404 * :attr:`~URL.scheme`
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405 * :attr:`~URL.username`
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406 * :attr:`~URL.password`
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407 * :attr:`~URL.host`
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408 * :attr:`~URL.port`
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409 * :attr:`~URL.path`
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410 * :attr:`~URL.query_params` (query string parameters)
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411 * :attr:`~URL.fragment`
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412
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413 Each is exposed as an attribute on the URL object. RFC 3986 offers
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414 this brief structural summary of the main URL components::
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415
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416 foo://user:pass@example.com:8042/over/there?name=ferret#nose
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417 \_/ \_______/ \_________/ \__/\_________/ \_________/ \__/
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418 | | | | | | |
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419 scheme userinfo host port path query fragment
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420
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421 And here's how that example can be manipulated with the URL type:
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422
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423 >>> url = URL('foo://example.com:8042/over/there?name=ferret#nose')
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424 >>> print(url.host)
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425 example.com
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426 >>> print(url.get_authority())
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427 example.com:8042
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428 >>> print(url.qp['name']) # qp is a synonym for query_params
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429 ferret
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430
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431 URL's approach to encoding is that inputs are decoded as much as
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432 possible, and data remains in this decoded state until re-encoded
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433 using the :meth:`~URL.to_text()` method. In this way, it's similar
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434 to Python's current approach of encouraging immediate decoding of
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435 bytes to text.
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436
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437 Note that URL instances are mutable objects. If an immutable
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diff changeset
438 representation of the URL is desired, the string from
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439 :meth:`~URL.to_text()` may be used. For an immutable, but
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440 almost-as-featureful, URL object, check out the `hyperlink
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diff changeset
441 package`_.
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442
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443 .. _hyperlink package: https://github.com/mahmoud/hyperlink
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444
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445 """
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446
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447 # public attributes (for comparison, see __eq__):
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448 _cmp_attrs = ('scheme', 'uses_netloc', 'username', 'password',
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449 'family', 'host', 'port', 'path', 'query_params', 'fragment')
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450
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451 def __init__(self, url=''):
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452 # TODO: encoding param. The encoding that underlies the
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453 # percent-encoding is always utf8 for IRIs, but can be Latin-1
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454 # for other usage schemes.
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455 ud = DEFAULT_PARSED_URL
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456 if url:
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457 if isinstance(url, URL):
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458 url = url.to_text() # better way to copy URLs?
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459 elif isinstance(url, bytes):
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diff changeset
460 try:
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461 url = url.decode(DEFAULT_ENCODING)
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parents:
diff changeset
462 except UnicodeDecodeError as ude:
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parents:
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463 raise URLParseError('expected text or %s-encoded bytes.'
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parents:
diff changeset
464 ' try decoding the url bytes and'
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
465 ' passing the result. (got: %s)'
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diff changeset
466 % (DEFAULT_ENCODING, ude))
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parents:
diff changeset
467 ud = parse_url(url)
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468
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469 _e = u''
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diff changeset
470 self.scheme = ud['scheme'] or _e
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parents:
diff changeset
471 self._netloc_sep = ud['_netloc_sep'] or _e
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parents:
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472 self.username = (unquote(ud['username'])
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parents:
diff changeset
473 if '%' in (ud['username'] or _e) else ud['username'] or _e)
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parents:
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474 self.password = (unquote(ud['password'])
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parents:
diff changeset
475 if '%' in (ud['password'] or _e) else ud['password'] or _e)
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parents:
diff changeset
476 self.family = ud['family']
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parents:
diff changeset
477
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parents:
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478 if not ud['host']:
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parents:
diff changeset
479 self.host = _e
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diff changeset
480 else:
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parents:
diff changeset
481 try:
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parents:
diff changeset
482 self.host = ud['host'].encode("ascii")
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parents:
diff changeset
483 except UnicodeEncodeError:
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parents:
diff changeset
484 self.host = ud['host'] # already non-ascii text
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parents:
diff changeset
485 else:
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parents:
diff changeset
486 self.host = self.host.decode("idna")
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parents:
diff changeset
487
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parents:
diff changeset
488 self.port = ud['port']
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parents:
diff changeset
489 self.path_parts = tuple([unquote(p) if '%' in p else p for p
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parents:
diff changeset
490 in (ud['path'] or _e).split(u'/')])
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parents:
diff changeset
491 self._query = ud['query'] or _e
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parents:
diff changeset
492 self.fragment = (unquote(ud['fragment'])
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parents:
diff changeset
493 if '%' in (ud['fragment'] or _e) else ud['fragment'] or _e)
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parents:
diff changeset
494 # TODO: possibly use None as marker for empty vs missing
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parents:
diff changeset
495 return
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496
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497 @classmethod
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parents:
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498 def from_parts(cls, scheme=None, host=None, path_parts=(), query_params=(),
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parents:
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499 fragment=u'', port=None, username=None, password=None):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
500 """Build a new URL from parts. Note that the respective arguments are
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parents:
diff changeset
501 not in the order they would appear in a URL:
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parents:
diff changeset
502
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parents:
diff changeset
503 Args:
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parents:
diff changeset
504 scheme (str): The scheme of a URL, e.g., 'http'
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parents:
diff changeset
505 host (str): The host string, e.g., 'hatnote.com'
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parents:
diff changeset
506 path_parts (tuple): The individual text segments of the
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parents:
diff changeset
507 path, e.g., ('post', '123')
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parents:
diff changeset
508 query_params (dict): An OMD, dict, or list of (key, value)
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parents:
diff changeset
509 pairs representing the keys and values of the URL's query
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parents:
diff changeset
510 parameters.
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diff changeset
511 fragment (str): The fragment of the URL, e.g., 'anchor1'
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parents:
diff changeset
512 port (int): The integer port of URL, automatic defaults are
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parents:
diff changeset
513 available for registered schemes.
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diff changeset
514 username (str): The username for the userinfo part of the URL.
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parents:
diff changeset
515 password (str): The password for the userinfo part of the URL.
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parents:
diff changeset
516
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diff changeset
517 Note that this method does relatively little
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diff changeset
518 validation. :meth:`URL.to_text()` should be used to check if
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parents:
diff changeset
519 any errors are produced while composing the final textual URL.
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parents:
diff changeset
520 """
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parents:
diff changeset
521 ret = cls()
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diff changeset
522
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523 ret.scheme = scheme
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parents:
diff changeset
524 ret.host = host
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diff changeset
525 ret.path_parts = tuple(path_parts) or (u'',)
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parents:
diff changeset
526 ret.query_params.update(query_params)
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diff changeset
527 ret.fragment = fragment
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diff changeset
528 ret.port = port
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diff changeset
529 ret.username = username
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diff changeset
530 ret.password = password
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diff changeset
531
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532 return ret
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diff changeset
533
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diff changeset
534 @cachedproperty
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parents:
diff changeset
535 def query_params(self):
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parents:
diff changeset
536 """The parsed form of the query string of the URL, represented as a
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parents:
diff changeset
537 :class:`~dictutils.OrderedMultiDict`. Also available as the
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parents:
diff changeset
538 handy alias ``qp``.
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parents:
diff changeset
539
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parents:
diff changeset
540 >>> url = URL('http://boltons.readthedocs.io/?utm_source=doctest&python=great')
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parents:
diff changeset
541 >>> url.qp.keys()
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parents:
diff changeset
542 [u'utm_source', u'python']
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parents:
diff changeset
543 """
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parents:
diff changeset
544 return QueryParamDict.from_text(self._query)
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diff changeset
545
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diff changeset
546 qp = query_params
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547
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548 @property
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549 def path(self):
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diff changeset
550 "The URL's path, in text form."
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parents:
diff changeset
551 return u'/'.join([quote_path_part(p, full_quote=False)
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parents:
diff changeset
552 for p in self.path_parts])
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parents:
diff changeset
553
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parents:
diff changeset
554 @path.setter
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parents:
diff changeset
555 def path(self, path_text):
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parents:
diff changeset
556 self.path_parts = tuple([unquote(p) if '%' in p else p
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parents:
diff changeset
557 for p in to_unicode(path_text).split(u'/')])
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parents:
diff changeset
558 return
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diff changeset
559
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diff changeset
560 @property
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parents:
diff changeset
561 def uses_netloc(self):
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parents:
diff changeset
562 """Whether or not a URL uses :code:`:` or :code:`://` to separate the
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diff changeset
563 scheme from the rest of the URL depends on the scheme's own
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parents:
diff changeset
564 standard definition. There is no way to infer this behavior
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parents:
diff changeset
565 from other parts of the URL. A scheme either supports network
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parents:
diff changeset
566 locations or it does not.
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parents:
diff changeset
567
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parents:
diff changeset
568 The URL type's approach to this is to check for explicitly
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parents:
diff changeset
569 registered schemes, with common schemes like HTTP
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parents:
diff changeset
570 preregistered. This is the same approach taken by
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parents:
diff changeset
571 :mod:`urlparse`.
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parents:
diff changeset
572
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parents:
diff changeset
573 URL adds two additional heuristics if the scheme as a whole is
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parents:
diff changeset
574 not registered. First, it attempts to check the subpart of the
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parents:
diff changeset
575 scheme after the last ``+`` character. This adds intuitive
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parents:
diff changeset
576 behavior for schemes like ``git+ssh``. Second, if a URL with
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
577 an unrecognized scheme is loaded, it will maintain the
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parents:
diff changeset
578 separator it sees.
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parents:
diff changeset
579
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parents:
diff changeset
580 >>> print(URL('fakescheme://test.com').to_text())
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parents:
diff changeset
581 fakescheme://test.com
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parents:
diff changeset
582 >>> print(URL('mockscheme:hello:world').to_text())
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parents:
diff changeset
583 mockscheme:hello:world
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parents:
diff changeset
584
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parents:
diff changeset
585 """
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parents:
diff changeset
586 default = self._netloc_sep
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diff changeset
587 if self.scheme in SCHEME_PORT_MAP:
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parents:
diff changeset
588 return True
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
589 if self.scheme in NO_NETLOC_SCHEMES:
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parents:
diff changeset
590 return False
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
591 if self.scheme.split('+')[-1] in SCHEME_PORT_MAP:
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parents:
diff changeset
592 return True
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parents:
diff changeset
593 return default
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parents:
diff changeset
594
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parents:
diff changeset
595 @property
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parents:
diff changeset
596 def default_port(self):
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parents:
diff changeset
597 """Return the default port for the currently-set scheme. Returns
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parents:
diff changeset
598 ``None`` if the scheme is unrecognized. See
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parents:
diff changeset
599 :func:`register_scheme` above. If :attr:`~URL.port` matches
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parents:
diff changeset
600 this value, no port is emitted in the output of
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parents:
diff changeset
601 :meth:`~URL.to_text()`.
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parents:
diff changeset
602
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
603 Applies the same '+' heuristic detailed in :meth:`URL.uses_netloc`.
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parents:
diff changeset
604 """
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parents:
diff changeset
605 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
606 return SCHEME_PORT_MAP[self.scheme]
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parents:
diff changeset
607 except KeyError:
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parents:
diff changeset
608 return SCHEME_PORT_MAP.get(self.scheme.split('+')[-1])
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parents:
diff changeset
609
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parents:
diff changeset
610 def normalize(self, with_case=True):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
611 """Resolve any "." and ".." references in the path, as well as
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parents:
diff changeset
612 normalize scheme and host casing. To turn off case
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parents:
diff changeset
613 normalization, pass ``with_case=False``.
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parents:
diff changeset
614
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parents:
diff changeset
615 More information can be found in `Section 6.2.2 of RFC 3986`_.
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parents:
diff changeset
616
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parents:
diff changeset
617 .. _Section 6.2.2 of RFC 3986: https://tools.ietf.org/html/rfc3986#section-6.2.2
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parents:
diff changeset
618 """
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parents:
diff changeset
619 self.path_parts = resolve_path_parts(self.path_parts)
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parents:
diff changeset
620
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parents:
diff changeset
621 if with_case:
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parents:
diff changeset
622 self.scheme = self.scheme.lower()
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parents:
diff changeset
623 self.host = self.host.lower()
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parents:
diff changeset
624 return
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parents:
diff changeset
625
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parents:
diff changeset
626 def navigate(self, dest):
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parents:
diff changeset
627 """Factory method that returns a _new_ :class:`URL` based on a given
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
628 destination, *dest*. Useful for navigating those relative
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
629 links with ease.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
630
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
631 The newly created :class:`URL` is normalized before being returned.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
632
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
633 >>> url = URL('http://boltons.readthedocs.io')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
634 >>> url.navigate('en/latest/')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
635 URL(u'http://boltons.readthedocs.io/en/latest/')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
636
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
637 Args:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
638 dest (str): A string or URL object representing the destination
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
639
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
640 More information can be found in `Section 5 of RFC 3986`_.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
641
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
642 .. _Section 5 of RFC 3986: https://tools.ietf.org/html/rfc3986#section-5
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
643 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
644 orig_dest = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
645 if not isinstance(dest, URL):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
646 dest, orig_dest = URL(dest), dest
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
647 if dest.scheme and dest.host:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
648 # absolute URLs replace everything, but don't make an
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
649 # extra copy if we don't have to
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
650 return URL(dest) if orig_dest is None else dest
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parents:
diff changeset
651 query_params = dest.query_params
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parents:
diff changeset
652
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
653 if dest.path:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
654 if dest.path.startswith(u'/'): # absolute path
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
655 new_path_parts = list(dest.path_parts)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
656 else: # relative path
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
657 new_path_parts = self.path_parts[:-1] + dest.path_parts
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parents:
diff changeset
658 else:
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parents:
diff changeset
659 new_path_parts = list(self.path_parts)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
660 if not query_params:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
661 query_params = self.query_params
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parents:
diff changeset
662
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
663 ret = self.from_parts(scheme=dest.scheme or self.scheme,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
664 host=dest.host or self.host,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
665 port=dest.port or self.port,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
666 path_parts=new_path_parts,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
667 query_params=query_params,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
668 fragment=dest.fragment,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
669 username=dest.username or self.username,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
670 password=dest.password or self.password)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
671 ret.normalize()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
672 return ret
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
673
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
674 def get_authority(self, full_quote=False, with_userinfo=False):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
675 """Used by URL schemes that have a network location,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
676 :meth:`~URL.get_authority` combines :attr:`username`,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
677 :attr:`password`, :attr:`host`, and :attr:`port` into one
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
678 string, the *authority*, that is used for
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
679 connecting to a network-accessible resource.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
680
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
681 Used internally by :meth:`~URL.to_text()` and can be useful
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
682 for labeling connections.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
683
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
684 >>> url = URL('ftp://user@ftp.debian.org:2121/debian/README')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
685 >>> print(url.get_authority())
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
686 ftp.debian.org:2121
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
687 >>> print(url.get_authority(with_userinfo=True))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
688 user@ftp.debian.org:2121
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
689
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
690 Args:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
691 full_quote (bool): Whether or not to apply IDNA encoding.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
692 Defaults to ``False``.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
693 with_userinfo (bool): Whether or not to include username
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
694 and password, technically part of the
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
695 authority. Defaults to ``False``.
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parents:
diff changeset
696
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
697 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
698 parts = []
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
699 _add = parts.append
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
700 if self.username and with_userinfo:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
701 _add(quote_userinfo_part(self.username))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
702 if self.password:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
703 _add(':')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
704 _add(quote_userinfo_part(self.password))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
705 _add('@')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
706 if self.host:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
707 if self.family == socket.AF_INET6:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
708 _add('[')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
709 _add(self.host)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
710 _add(']')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
711 elif full_quote:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
712 _add(self.host.encode('idna').decode('ascii'))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
713 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
714 _add(self.host)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
715 # TODO: 0 port?
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
716 if self.port and self.port != self.default_port:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
717 _add(':')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
718 _add(unicode(self.port))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
719 return u''.join(parts)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
720
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
721 def to_text(self, full_quote=False):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
722 """Render a string representing the current state of the URL
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
723 object.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
724
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
725 >>> url = URL('http://listen.hatnote.com')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
726 >>> url.fragment = 'en'
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
727 >>> print(url.to_text())
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
728 http://listen.hatnote.com#en
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
729
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
730 By setting the *full_quote* flag, the URL can either be fully
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
731 quoted or minimally quoted. The most common characteristic of
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
732 an encoded-URL is the presence of percent-encoded text (e.g.,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
733 %60). Unquoted URLs are more readable and suitable
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
734 for display, whereas fully-quoted URLs are more conservative
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
735 and generally necessary for sending over the network.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
736 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
737 scheme = self.scheme
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
738 path = u'/'.join([quote_path_part(p, full_quote=full_quote)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
739 for p in self.path_parts])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
740 authority = self.get_authority(full_quote=full_quote,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
741 with_userinfo=True)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
742 query_string = self.query_params.to_text(full_quote=full_quote)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
743 fragment = quote_fragment_part(self.fragment, full_quote=full_quote)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
744
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
745 parts = []
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
746 _add = parts.append
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
747 if scheme:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
748 _add(scheme)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
749 _add(':')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
750 if authority:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
751 _add('//')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
752 _add(authority)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
753 elif (scheme and path[:2] != '//' and self.uses_netloc):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
754 _add('//')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
755 if path:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
756 if scheme and authority and path[:1] != '/':
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
757 _add('/')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
758 # TODO: i think this is here because relative paths
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
759 # with absolute authorities = undefined
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
760 _add(path)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
761 if query_string:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
762 _add('?')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
763 _add(query_string)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
764 if fragment:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
765 _add('#')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
766 _add(fragment)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
767 return u''.join(parts)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
768
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
769 def __repr__(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
770 cn = self.__class__.__name__
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
771 return u'%s(%r)' % (cn, self.to_text())
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
772
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
773 def __str__(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
774 return self.to_text()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
775
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
776 def __unicode__(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
777 return self.to_text()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
778
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
779 def __eq__(self, other):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
780 for attr in self._cmp_attrs:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
781 if not getattr(self, attr) == getattr(other, attr, None):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
782 return False
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
783 return True
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
784
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
785 def __ne__(self, other):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
786 return not self == other
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
787
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
788
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
789 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
790 from socket import inet_pton
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
791 except ImportError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
792 # from https://gist.github.com/nnemkin/4966028
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
793 import ctypes
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
794
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
795 class _sockaddr(ctypes.Structure):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
796 _fields_ = [("sa_family", ctypes.c_short),
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
797 ("__pad1", ctypes.c_ushort),
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
798 ("ipv4_addr", ctypes.c_byte * 4),
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
799 ("ipv6_addr", ctypes.c_byte * 16),
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
800 ("__pad2", ctypes.c_ulong)]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
801
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
802 WSAStringToAddressA = ctypes.windll.ws2_32.WSAStringToAddressA
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
803 WSAAddressToStringA = ctypes.windll.ws2_32.WSAAddressToStringA
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
804
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
805 def inet_pton(address_family, ip_string):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
806 addr = _sockaddr()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
807 ip_string = ip_string.encode('ascii')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
808 addr.sa_family = address_family
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
809 addr_size = ctypes.c_int(ctypes.sizeof(addr))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
810
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
811 if WSAStringToAddressA(ip_string, address_family, None, ctypes.byref(addr), ctypes.byref(addr_size)) != 0:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
812 raise socket.error(ctypes.FormatError())
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
813
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
814 if address_family == socket.AF_INET:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
815 return ctypes.string_at(addr.ipv4_addr, 4)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
816 if address_family == socket.AF_INET6:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
817 return ctypes.string_at(addr.ipv6_addr, 16)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
818 raise socket.error('unknown address family')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
819
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
820
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
821 def parse_host(host):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
822 """\
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
823 Low-level function used to parse the host portion of a URL.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
824
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
825 Returns a tuple of (family, host) where *family* is a
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
826 :mod:`socket` module constant or ``None``, and host is a string.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
827
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
828 >>> parse_host('googlewebsite.com') == (None, 'googlewebsite.com')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
829 True
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
830 >>> parse_host('[::1]') == (socket.AF_INET6, '::1')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
831 True
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
832 >>> parse_host('192.168.1.1') == (socket.AF_INET, '192.168.1.1')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
833 True
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
834
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
835 Odd doctest formatting above due to py3's switch from int to enums
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
836 for :mod:`socket` constants.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
837
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
838 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
839 if not host:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
840 return None, u''
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
841 if u':' in host and u'[' == host[0] and u']' == host[-1]:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
842 host = host[1:-1]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
843 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
844 inet_pton(socket.AF_INET6, host)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
845 except socket.error as se:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
846 raise URLParseError('invalid IPv6 host: %r (%r)' % (host, se))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
847 except UnicodeEncodeError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
848 pass # TODO: this can't be a real host right?
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
849 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
850 family = socket.AF_INET6
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
851 return family, host
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
852 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
853 inet_pton(socket.AF_INET, host)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
854 except (socket.error, UnicodeEncodeError):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
855 family = None # not an IP
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
856 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
857 family = socket.AF_INET
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
858 return family, host
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
859
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
860
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
861 def parse_url(url_text):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
862 """\
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
863 Used to parse the text for a single URL into a dictionary, used
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
864 internally by the :class:`URL` type.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
865
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
866 Note that "URL" has a very narrow, standards-based
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
867 definition. While :func:`parse_url` may raise
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
868 :class:`URLParseError` under a very limited number of conditions,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
869 such as non-integer port, a surprising number of strings are
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
870 technically valid URLs. For instance, the text ``"url"`` is a
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
871 valid URL, because it is a relative path.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
872
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
873 In short, do not expect this function to validate form inputs or
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
874 other more colloquial usages of URLs.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
875
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
876 >>> res = parse_url('http://127.0.0.1:3000/?a=1')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
877 >>> sorted(res.keys()) # res is a basic dictionary
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
878 ['_netloc_sep', 'authority', 'family', 'fragment', 'host', 'password', 'path', 'port', 'query', 'scheme', 'username']
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
879 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
880 url_text = unicode(url_text)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
881 # raise TypeError('parse_url expected text, not %r' % url_str)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
882 um = _URL_RE.match(url_text)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
883 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
884 gs = um.groupdict()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
885 except AttributeError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
886 raise URLParseError('could not parse url: %r' % url_text)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
887
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
888 au_text = gs['authority']
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
889 user, pw, hostinfo = None, None, au_text
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
890
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
891 if au_text:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
892 userinfo, sep, hostinfo = au_text.rpartition('@')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
893 if sep:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
894 # TODO: empty userinfo error?
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
895 user, _, pw = userinfo.partition(':')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
896
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
897 host, port = None, None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
898 if hostinfo:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
899 host, sep, port_str = hostinfo.partition(u':')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
900 if sep:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
901 if host and host[0] == u'[' and u']' in port_str:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
902 host_right, _, port_str = port_str.partition(u']')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
903 host = host + u':' + host_right + u']'
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
904 if port_str and port_str[0] == u':':
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
905 port_str = port_str[1:]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
906
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
907 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
908 port = int(port_str)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
909 except ValueError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
910 if port_str: # empty ports ok according to RFC 3986 6.2.3
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
911 raise URLParseError('expected integer for port, not %r'
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
912 % port_str)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
913 port = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
914
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
915 family, host = parse_host(host)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
916
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
917 gs['username'] = user
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
918 gs['password'] = pw
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
919 gs['family'] = family
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
920 gs['host'] = host
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
921 gs['port'] = port
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
922 return gs
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
923
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
924
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
925 DEFAULT_PARSED_URL = parse_url('')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
926
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
927
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
928 def parse_qsl(qs, keep_blank_values=True, encoding=DEFAULT_ENCODING):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
929 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
930 Converts a query string into a list of (key, value) pairs.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
931 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
932 pairs = [s2 for s1 in qs.split('&') for s2 in s1.split(';')]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
933 ret = []
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
934 for pair in pairs:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
935 if not pair:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
936 continue
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
937 key, _, value = pair.partition('=')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
938 if not value:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
939 if keep_blank_values:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
940 value = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
941 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
942 continue
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
943 key = unquote(key.replace('+', ' '))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
944 if value:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
945 value = unquote(value.replace('+', ' '))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
946 ret.append((key, value))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
947 return ret
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
948
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
949
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
950 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
951 # What follows is the OrderedMultiDict from dictutils.py, circa
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
952 # 20161021, used for the QueryParamDict, toward the bottom.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
953 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
954
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
955 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
956 from collections.abc import KeysView, ValuesView, ItemsView
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
957 except ImportError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
958 from collections import KeysView, ValuesView, ItemsView
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
959
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
960 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
961 from itertools import izip_longest
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
962 except ImportError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
963 from itertools import zip_longest as izip_longest
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
964
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
965 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
966 from typeutils import make_sentinel
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
967 _MISSING = make_sentinel(var_name='_MISSING')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
968 except ImportError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
969 _MISSING = object()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
970
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
971
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
972 PREV, NEXT, KEY, VALUE, SPREV, SNEXT = range(6)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
973
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
974
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
975 class OrderedMultiDict(dict):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
976 """A MultiDict is a dictionary that can have multiple values per key
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
977 and the OrderedMultiDict (OMD) is a MultiDict that retains
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
978 original insertion order. Common use cases include:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
979
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
980 * handling query strings parsed from URLs
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
981 * inverting a dictionary to create a reverse index (values to keys)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
982 * stacking data from multiple dictionaries in a non-destructive way
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
983
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
984 The OrderedMultiDict constructor is identical to the built-in
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
985 :class:`dict`, and overall the API is constitutes an intuitive
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
986 superset of the built-in type:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
987
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
988 >>> omd = OrderedMultiDict()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
989 >>> omd['a'] = 1
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
990 >>> omd['b'] = 2
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
991 >>> omd.add('a', 3)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
992 >>> omd.get('a')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
993 3
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
994 >>> omd.getlist('a')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
995 [1, 3]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
996
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
997 Some non-:class:`dict`-like behaviors also make an appearance,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
998 such as support for :func:`reversed`:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
999
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1000 >>> list(reversed(omd))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1001 ['b', 'a']
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1002
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1003 Note that unlike some other MultiDicts, this OMD gives precedence
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1004 to the most recent value added. ``omd['a']`` refers to ``3``, not
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1005 ``1``.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1006
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1007 >>> omd
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1008 OrderedMultiDict([('a', 1), ('b', 2), ('a', 3)])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1009 >>> omd.poplast('a')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1010 3
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1011 >>> omd
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1012 OrderedMultiDict([('a', 1), ('b', 2)])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1013 >>> omd.pop('a')
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parents:
diff changeset
1014 1
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parents:
diff changeset
1015 >>> omd
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parents:
diff changeset
1016 OrderedMultiDict([('b', 2)])
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parents:
diff changeset
1017
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parents:
diff changeset
1018 Note that calling :func:`dict` on an OMD results in a dict of keys
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parents:
diff changeset
1019 to *lists* of values:
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parents:
diff changeset
1020
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parents:
diff changeset
1021 >>> from pprint import pprint as pp # ensuring proper key ordering
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parents:
diff changeset
1022 >>> omd = OrderedMultiDict([('a', 1), ('b', 2), ('a', 3)])
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parents:
diff changeset
1023 >>> pp(dict(omd))
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parents:
diff changeset
1024 {'a': 3, 'b': 2}
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parents:
diff changeset
1025
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parents:
diff changeset
1026 Note that modifying those lists will modify the OMD. If you want a
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1027 safe-to-modify or flat dictionary, use :meth:`OrderedMultiDict.todict()`.
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parents:
diff changeset
1028
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parents:
diff changeset
1029 >>> pp(omd.todict())
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parents:
diff changeset
1030 {'a': 3, 'b': 2}
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parents:
diff changeset
1031 >>> pp(omd.todict(multi=True))
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parents:
diff changeset
1032 {'a': [1, 3], 'b': [2]}
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parents:
diff changeset
1033
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parents:
diff changeset
1034 With ``multi=False``, items appear with the keys in to original
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1035 insertion order, alongside the most-recently inserted value for
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1036 that key.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1037
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parents:
diff changeset
1038 >>> OrderedMultiDict([('a', 1), ('b', 2), ('a', 3)]).items(multi=False)
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parents:
diff changeset
1039 [('a', 3), ('b', 2)]
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parents:
diff changeset
1040
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parents:
diff changeset
1041 """
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parents:
diff changeset
1042 def __init__(self, *args, **kwargs):
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parents:
diff changeset
1043 if len(args) > 1:
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parents:
diff changeset
1044 raise TypeError('%s expected at most 1 argument, got %s'
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parents:
diff changeset
1045 % (self.__class__.__name__, len(args)))
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parents:
diff changeset
1046 super(OrderedMultiDict, self).__init__()
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parents:
diff changeset
1047
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parents:
diff changeset
1048 self._clear_ll()
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parents:
diff changeset
1049 if args:
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parents:
diff changeset
1050 self.update_extend(args[0])
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parents:
diff changeset
1051 if kwargs:
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parents:
diff changeset
1052 self.update(kwargs)
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parents:
diff changeset
1053
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parents:
diff changeset
1054 def _clear_ll(self):
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parents:
diff changeset
1055 try:
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parents:
diff changeset
1056 _map = self._map
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parents:
diff changeset
1057 except AttributeError:
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parents:
diff changeset
1058 _map = self._map = {}
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parents:
diff changeset
1059 self.root = []
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parents:
diff changeset
1060 _map.clear()
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parents:
diff changeset
1061 self.root[:] = [self.root, self.root, None]
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parents:
diff changeset
1062
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parents:
diff changeset
1063 def _insert(self, k, v):
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parents:
diff changeset
1064 root = self.root
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parents:
diff changeset
1065 cells = self._map.setdefault(k, [])
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parents:
diff changeset
1066 last = root[PREV]
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parents:
diff changeset
1067 cell = [last, root, k, v]
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parents:
diff changeset
1068 last[NEXT] = root[PREV] = cell
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parents:
diff changeset
1069 cells.append(cell)
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parents:
diff changeset
1070
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parents:
diff changeset
1071 def add(self, k, v):
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parents:
diff changeset
1072 """Add a single value *v* under a key *k*. Existing values under *k*
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1073 are preserved.
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parents:
diff changeset
1074 """
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parents:
diff changeset
1075 values = super(OrderedMultiDict, self).setdefault(k, [])
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parents:
diff changeset
1076 self._insert(k, v)
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parents:
diff changeset
1077 values.append(v)
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parents:
diff changeset
1078
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parents:
diff changeset
1079 def addlist(self, k, v):
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parents:
diff changeset
1080 """Add an iterable of values underneath a specific key, preserving
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parents:
diff changeset
1081 any values already under that key.
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parents:
diff changeset
1082
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parents:
diff changeset
1083 >>> omd = OrderedMultiDict([('a', -1)])
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parents:
diff changeset
1084 >>> omd.addlist('a', range(3))
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parents:
diff changeset
1085 >>> omd
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parents:
diff changeset
1086 OrderedMultiDict([('a', -1), ('a', 0), ('a', 1), ('a', 2)])
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parents:
diff changeset
1087
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parents:
diff changeset
1088 Called ``addlist`` for consistency with :meth:`getlist`, but
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1089 tuples and other sequences and iterables work.
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parents:
diff changeset
1090 """
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parents:
diff changeset
1091 self_insert = self._insert
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parents:
diff changeset
1092 values = super(OrderedMultiDict, self).setdefault(k, [])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1093 for subv in v:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1094 self_insert(k, subv)
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parents:
diff changeset
1095 values.extend(v)
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parents:
diff changeset
1096
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parents:
diff changeset
1097 def get(self, k, default=None):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1098 """Return the value for key *k* if present in the dictionary, else
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1099 *default*. If *default* is not given, ``None`` is returned.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1100 This method never raises a :exc:`KeyError`.
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parents:
diff changeset
1101
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parents:
diff changeset
1102 To get all values under a key, use :meth:`OrderedMultiDict.getlist`.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1103 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1104 return super(OrderedMultiDict, self).get(k, [default])[-1]
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parents:
diff changeset
1105
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parents:
diff changeset
1106 def getlist(self, k, default=_MISSING):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1107 """Get all values for key *k* as a list, if *k* is in the
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1108 dictionary, else *default*. The list returned is a copy and
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1109 can be safely mutated. If *default* is not given, an empty
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1110 :class:`list` is returned.
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parents:
diff changeset
1111 """
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parents:
diff changeset
1112 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1113 return super(OrderedMultiDict, self).__getitem__(k)[:]
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parents:
diff changeset
1114 except KeyError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1115 if default is _MISSING:
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parents:
diff changeset
1116 return []
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parents:
diff changeset
1117 return default
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parents:
diff changeset
1118
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parents:
diff changeset
1119 def clear(self):
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parents:
diff changeset
1120 "Empty the dictionary."
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parents:
diff changeset
1121 super(OrderedMultiDict, self).clear()
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parents:
diff changeset
1122 self._clear_ll()
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parents:
diff changeset
1123
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parents:
diff changeset
1124 def setdefault(self, k, default=_MISSING):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1125 """If key *k* is in the dictionary, return its value. If not, insert
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parents:
diff changeset
1126 *k* with a value of *default* and return *default*. *default*
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1127 defaults to ``None``. See :meth:`dict.setdefault` for more
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parents:
diff changeset
1128 information.
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parents:
diff changeset
1129 """
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parents:
diff changeset
1130 if not super(OrderedMultiDict, self).__contains__(k):
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parents:
diff changeset
1131 self[k] = None if default is _MISSING else default
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parents:
diff changeset
1132 return self[k]
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parents:
diff changeset
1133
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parents:
diff changeset
1134 def copy(self):
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parents:
diff changeset
1135 "Return a shallow copy of the dictionary."
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parents:
diff changeset
1136 return self.__class__(self.iteritems(multi=True))
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parents:
diff changeset
1137
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parents:
diff changeset
1138 @classmethod
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parents:
diff changeset
1139 def fromkeys(cls, keys, default=None):
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parents:
diff changeset
1140 """Create a dictionary from a list of keys, with all the values
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1141 set to *default*, or ``None`` if *default* is not set.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1142 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1143 return cls([(k, default) for k in keys])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1144
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1145 def update(self, E, **F):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1146 """Add items from a dictionary or iterable (and/or keyword arguments),
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1147 overwriting values under an existing key. See
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1148 :meth:`dict.update` for more details.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1149 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1150 # E and F are throwback names to the dict() __doc__
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1151 if E is self:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1152 return
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1153 self_add = self.add
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1154 if isinstance(E, OrderedMultiDict):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1155 for k in E:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1156 if k in self:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1157 del self[k]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1158 for k, v in E.iteritems(multi=True):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1159 self_add(k, v)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1160 elif hasattr(E, 'keys'):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1161 for k in E.keys():
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1162 self[k] = E[k]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1163 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1164 seen = set()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1165 seen_add = seen.add
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1166 for k, v in E:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1167 if k not in seen and k in self:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1168 del self[k]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1169 seen_add(k)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1170 self_add(k, v)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1171 for k in F:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1172 self[k] = F[k]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1173 return
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1174
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1175 def update_extend(self, E, **F):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1176 """Add items from a dictionary, iterable, and/or keyword
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1177 arguments without overwriting existing items present in the
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1178 dictionary. Like :meth:`update`, but adds to existing keys
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1179 instead of overwriting them.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1180 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1181 if E is self:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1182 iterator = iter(E.items())
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1183 elif isinstance(E, OrderedMultiDict):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1184 iterator = E.iteritems(multi=True)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1185 elif hasattr(E, 'keys'):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1186 iterator = ((k, E[k]) for k in E.keys())
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1187 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1188 iterator = E
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1189
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1190 self_add = self.add
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1191 for k, v in iterator:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1192 self_add(k, v)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1193
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1194 def __setitem__(self, k, v):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1195 if super(OrderedMultiDict, self).__contains__(k):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1196 self._remove_all(k)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1197 self._insert(k, v)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1198 super(OrderedMultiDict, self).__setitem__(k, [v])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1199
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1200 def __getitem__(self, k):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1201 return super(OrderedMultiDict, self).__getitem__(k)[-1]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1202
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1203 def __delitem__(self, k):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1204 super(OrderedMultiDict, self).__delitem__(k)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1205 self._remove_all(k)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1206
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1207 def __eq__(self, other):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1208 if self is other:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1209 return True
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1210 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1211 if len(other) != len(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1212 return False
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1213 except TypeError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1214 return False
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1215 if isinstance(other, OrderedMultiDict):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1216 selfi = self.iteritems(multi=True)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1217 otheri = other.iteritems(multi=True)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1218 zipped_items = izip_longest(selfi, otheri, fillvalue=(None, None))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1219 for (selfk, selfv), (otherk, otherv) in zipped_items:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1220 if selfk != otherk or selfv != otherv:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1221 return False
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1222 if not(next(selfi, _MISSING) is _MISSING
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1223 and next(otheri, _MISSING) is _MISSING):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1224 # leftovers (TODO: watch for StopIteration?)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1225 return False
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1226 return True
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1227 elif hasattr(other, 'keys'):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1228 for selfk in self:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1229 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1230 other[selfk] == self[selfk]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1231 except KeyError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1232 return False
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1233 return True
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1234 return False
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1235
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1236 def __ne__(self, other):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1237 return not (self == other)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1238
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1239 def pop(self, k, default=_MISSING):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1240 """Remove all values under key *k*, returning the most-recently
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1241 inserted value. Raises :exc:`KeyError` if the key is not
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1242 present and no *default* is provided.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1243 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1244 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1245 return self.popall(k)[-1]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1246 except KeyError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1247 if default is _MISSING:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1248 raise KeyError(k)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1249 return default
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1250
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1251 def popall(self, k, default=_MISSING):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1252 """Remove all values under key *k*, returning them in the form of
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1253 a list. Raises :exc:`KeyError` if the key is not present and no
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1254 *default* is provided.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1255 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1256 super_self = super(OrderedMultiDict, self)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1257 if super_self.__contains__(k):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1258 self._remove_all(k)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1259 if default is _MISSING:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1260 return super_self.pop(k)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1261 return super_self.pop(k, default)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1262
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1263 def poplast(self, k=_MISSING, default=_MISSING):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1264 """Remove and return the most-recently inserted value under the key
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1265 *k*, or the most-recently inserted key if *k* is not
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1266 provided. If no values remain under *k*, it will be removed
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1267 from the OMD. Raises :exc:`KeyError` if *k* is not present in
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1268 the dictionary, or the dictionary is empty.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1269 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1270 if k is _MISSING:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1271 if self:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1272 k = self.root[PREV][KEY]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1273 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1274 raise KeyError('empty %r' % type(self))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1275 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1276 self._remove(k)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1277 except KeyError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1278 if default is _MISSING:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1279 raise KeyError(k)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1280 return default
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1281 values = super(OrderedMultiDict, self).__getitem__(k)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1282 v = values.pop()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1283 if not values:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1284 super(OrderedMultiDict, self).__delitem__(k)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1285 return v
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1286
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1287 def _remove(self, k):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1288 values = self._map[k]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1289 cell = values.pop()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1290 cell[PREV][NEXT], cell[NEXT][PREV] = cell[NEXT], cell[PREV]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1291 if not values:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1292 del self._map[k]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1293
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1294 def _remove_all(self, k):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1295 values = self._map[k]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1296 while values:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1297 cell = values.pop()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1298 cell[PREV][NEXT], cell[NEXT][PREV] = cell[NEXT], cell[PREV]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1299 del self._map[k]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1300
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1301 def iteritems(self, multi=False):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1302 """Iterate over the OMD's items in insertion order. By default,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1303 yields only the most-recently inserted value for each key. Set
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1304 *multi* to ``True`` to get all inserted items.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1305 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1306 root = self.root
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1307 curr = root[NEXT]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1308 if multi:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1309 while curr is not root:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1310 yield curr[KEY], curr[VALUE]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1311 curr = curr[NEXT]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1312 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1313 for key in self.iterkeys():
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1314 yield key, self[key]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1315
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1316 def iterkeys(self, multi=False):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1317 """Iterate over the OMD's keys in insertion order. By default, yields
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1318 each key once, according to the most recent insertion. Set
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1319 *multi* to ``True`` to get all keys, including duplicates, in
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1320 insertion order.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1321 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1322 root = self.root
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1323 curr = root[NEXT]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1324 if multi:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1325 while curr is not root:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1326 yield curr[KEY]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1327 curr = curr[NEXT]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1328 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1329 yielded = set()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1330 yielded_add = yielded.add
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1331 while curr is not root:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1332 k = curr[KEY]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1333 if k not in yielded:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1334 yielded_add(k)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1335 yield k
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1336 curr = curr[NEXT]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1337
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1338 def itervalues(self, multi=False):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1339 """Iterate over the OMD's values in insertion order. By default,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1340 yields the most-recently inserted value per unique key. Set
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1341 *multi* to ``True`` to get all values according to insertion
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1342 order.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1343 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1344 for k, v in self.iteritems(multi=multi):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1345 yield v
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1346
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1347 def todict(self, multi=False):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1348 """Gets a basic :class:`dict` of the items in this dictionary. Keys
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1349 are the same as the OMD, values are the most recently inserted
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1350 values for each key.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1351
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1352 Setting the *multi* arg to ``True`` is yields the same
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1353 result as calling :class:`dict` on the OMD, except that all the
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1354 value lists are copies that can be safely mutated.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1355 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1356 if multi:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1357 return dict([(k, self.getlist(k)) for k in self])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1358 return dict([(k, self[k]) for k in self])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1359
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1360 def sorted(self, key=None, reverse=False):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1361 """Similar to the built-in :func:`sorted`, except this method returns
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1362 a new :class:`OrderedMultiDict` sorted by the provided key
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1363 function, optionally reversed.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1364
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1365 Args:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1366 key (callable): A callable to determine the sort key of
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1367 each element. The callable should expect an **item**
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1368 (key-value pair tuple).
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1369 reverse (bool): Set to ``True`` to reverse the ordering.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1370
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1371 >>> omd = OrderedMultiDict(zip(range(3), range(3)))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1372 >>> omd.sorted(reverse=True)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1373 OrderedMultiDict([(2, 2), (1, 1), (0, 0)])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1374
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1375 Note that the key function receives an **item** (key-value
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1376 tuple), so the recommended signature looks like:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1377
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1378 >>> omd = OrderedMultiDict(zip('hello', 'world'))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1379 >>> omd.sorted(key=lambda i: i[1]) # i[0] is the key, i[1] is the val
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1380 OrderedMultiDict([('o', 'd'), ('l', 'l'), ('e', 'o'), ('l', 'r'), ('h', 'w')])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1381 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1382 cls = self.__class__
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1383 return cls(sorted(self.iteritems(), key=key, reverse=reverse))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1384
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1385 def sortedvalues(self, key=None, reverse=False):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1386 """Returns a copy of the :class:`OrderedMultiDict` with the same keys
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1387 in the same order as the original OMD, but the values within
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1388 each keyspace have been sorted according to *key* and
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1389 *reverse*.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1390
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1391 Args:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1392 key (callable): A single-argument callable to determine
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1393 the sort key of each element. The callable should expect
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1394 an **item** (key-value pair tuple).
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1395 reverse (bool): Set to ``True`` to reverse the ordering.
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parents:
diff changeset
1396
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parents:
diff changeset
1397 >>> omd = OrderedMultiDict()
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parents:
diff changeset
1398 >>> omd.addlist('even', [6, 2])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1399 >>> omd.addlist('odd', [1, 5])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1400 >>> omd.add('even', 4)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1401 >>> omd.add('odd', 3)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1402 >>> somd = omd.sortedvalues()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1403 >>> somd.getlist('even')
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parents:
diff changeset
1404 [2, 4, 6]
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parents:
diff changeset
1405 >>> somd.keys(multi=True) == omd.keys(multi=True)
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parents:
diff changeset
1406 True
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parents:
diff changeset
1407 >>> omd == somd
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parents:
diff changeset
1408 False
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parents:
diff changeset
1409 >>> somd
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parents:
diff changeset
1410 OrderedMultiDict([('even', 2), ('even', 4), ('odd', 1), ('odd', 3), ('even', 6), ('odd', 5)])
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parents:
diff changeset
1411
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parents:
diff changeset
1412 As demonstrated above, contents and key order are
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1413 retained. Only value order changes.
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parents:
diff changeset
1414 """
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parents:
diff changeset
1415 try:
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diff changeset
1416 superself_iteritems = super(OrderedMultiDict, self).iteritems()
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parents:
diff changeset
1417 except AttributeError:
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parents:
diff changeset
1418 superself_iteritems = super(OrderedMultiDict, self).items()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1419 # (not reverse) because they pop off in reverse order for reinsertion
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parents:
diff changeset
1420 sorted_val_map = dict([(k, sorted(v, key=key, reverse=(not reverse)))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1421 for k, v in superself_iteritems])
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parents:
diff changeset
1422 ret = self.__class__()
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parents:
diff changeset
1423 for k in self.iterkeys(multi=True):
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parents:
diff changeset
1424 ret.add(k, sorted_val_map[k].pop())
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parents:
diff changeset
1425 return ret
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parents:
diff changeset
1426
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parents:
diff changeset
1427 def inverted(self):
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parents:
diff changeset
1428 """Returns a new :class:`OrderedMultiDict` with values and keys
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1429 swapped, like creating dictionary transposition or reverse
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1430 index. Insertion order is retained and all keys and values
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parents:
diff changeset
1431 are represented in the output.
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parents:
diff changeset
1432
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parents:
diff changeset
1433 >>> omd = OMD([(0, 2), (1, 2)])
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parents:
diff changeset
1434 >>> omd.inverted().getlist(2)
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parents:
diff changeset
1435 [0, 1]
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parents:
diff changeset
1436
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parents:
diff changeset
1437 Inverting twice yields a copy of the original:
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parents:
diff changeset
1438
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parents:
diff changeset
1439 >>> omd.inverted().inverted()
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parents:
diff changeset
1440 OrderedMultiDict([(0, 2), (1, 2)])
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parents:
diff changeset
1441 """
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parents:
diff changeset
1442 return self.__class__((v, k) for k, v in self.iteritems(multi=True))
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parents:
diff changeset
1443
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parents:
diff changeset
1444 def counts(self):
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parents:
diff changeset
1445 """Returns a mapping from key to number of values inserted under that
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1446 key. Like :py:class:`collections.Counter`, but returns a new
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1447 :class:`OrderedMultiDict`.
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parents:
diff changeset
1448 """
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parents:
diff changeset
1449 # Returns an OMD because Counter/OrderedDict may not be
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1450 # available, and neither Counter nor dict maintain order.
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parents:
diff changeset
1451 super_getitem = super(OrderedMultiDict, self).__getitem__
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parents:
diff changeset
1452 return self.__class__((k, len(super_getitem(k))) for k in self)
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parents:
diff changeset
1453
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parents:
diff changeset
1454 def keys(self, multi=False):
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parents:
diff changeset
1455 """Returns a list containing the output of :meth:`iterkeys`. See
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parents:
diff changeset
1456 that method's docs for more details.
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parents:
diff changeset
1457 """
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parents:
diff changeset
1458 return list(self.iterkeys(multi=multi))
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parents:
diff changeset
1459
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parents:
diff changeset
1460 def values(self, multi=False):
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parents:
diff changeset
1461 """Returns a list containing the output of :meth:`itervalues`. See
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1462 that method's docs for more details.
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parents:
diff changeset
1463 """
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parents:
diff changeset
1464 return list(self.itervalues(multi=multi))
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parents:
diff changeset
1465
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parents:
diff changeset
1466 def items(self, multi=False):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1467 """Returns a list containing the output of :meth:`iteritems`. See
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shellac
parents:
diff changeset
1468 that method's docs for more details.
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parents:
diff changeset
1469 """
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parents:
diff changeset
1470 return list(self.iteritems(multi=multi))
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parents:
diff changeset
1471
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parents:
diff changeset
1472 def __iter__(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1473 return self.iterkeys()
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parents:
diff changeset
1474
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parents:
diff changeset
1475 def __reversed__(self):
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parents:
diff changeset
1476 root = self.root
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parents:
diff changeset
1477 curr = root[PREV]
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parents:
diff changeset
1478 lengths = {}
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1479 lengths_sd = lengths.setdefault
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parents:
diff changeset
1480 get_values = super(OrderedMultiDict, self).__getitem__
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1481 while curr is not root:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1482 k = curr[KEY]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1483 vals = get_values(k)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1484 if lengths_sd(k, 1) == len(vals):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1485 yield k
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shellac
parents:
diff changeset
1486 lengths[k] += 1
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1487 curr = curr[PREV]
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shellac
parents:
diff changeset
1488
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shellac
parents:
diff changeset
1489 def __repr__(self):
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parents:
diff changeset
1490 cn = self.__class__.__name__
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parents:
diff changeset
1491 kvs = ', '.join([repr((k, v)) for k, v in self.iteritems(multi=True)])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1492 return '%s([%s])' % (cn, kvs)
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parents:
diff changeset
1493
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1494 def viewkeys(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1495 "OMD.viewkeys() -> a set-like object providing a view on OMD's keys"
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1496 return KeysView(self)
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parents:
diff changeset
1497
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parents:
diff changeset
1498 def viewvalues(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1499 "OMD.viewvalues() -> an object providing a view on OMD's values"
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parents:
diff changeset
1500 return ValuesView(self)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1501
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1502 def viewitems(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1503 "OMD.viewitems() -> a set-like object providing a view on OMD's items"
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1504 return ItemsView(self)
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shellac
parents:
diff changeset
1505
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shellac
parents:
diff changeset
1506
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parents:
diff changeset
1507 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1508 # try to import the built-in one anyways
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1509 from boltons.dictutils import OrderedMultiDict
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shellac
parents:
diff changeset
1510 except ImportError:
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shellac
parents:
diff changeset
1511 pass
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shellac
parents:
diff changeset
1512
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1513 OMD = OrderedMultiDict
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shellac
parents:
diff changeset
1514
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1515
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1516 class QueryParamDict(OrderedMultiDict):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1517 """A subclass of :class:`~dictutils.OrderedMultiDict` specialized for
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1518 representing query string values. Everything is fully unquoted on
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1519 load and all parsed keys and values are strings by default.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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1520
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1521 As the name suggests, multiple values are supported and insertion
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1522 order is preserved.
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1523
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1524 >>> qp = QueryParamDict.from_text(u'key=val1&key=val2&utm_source=rtd')
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1525 >>> qp.getlist('key')
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1526 [u'val1', u'val2']
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1527 >>> qp['key']
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1528 u'val2'
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1529 >>> qp.add('key', 'val3')
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1530 >>> qp.to_text()
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1531 'key=val1&key=val2&utm_source=rtd&key=val3'
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1532
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1533 See :class:`~dictutils.OrderedMultiDict` for more API features.
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1534 """
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1535
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1536 @classmethod
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1537 def from_text(cls, query_string):
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1538 """
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1539 Parse *query_string* and return a new :class:`QueryParamDict`.
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1540 """
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1541 pairs = parse_qsl(query_string, keep_blank_values=True)
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1542 return cls(pairs)
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1543
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1544 def to_text(self, full_quote=False):
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1545 """
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1546 Render and return a query string.
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1547
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1548 Args:
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1549 full_quote (bool): Whether or not to percent-quote special
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1550 characters or leave them decoded for readability.
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1551 """
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1552 ret_list = []
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1553 for k, v in self.iteritems(multi=True):
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1554 key = quote_query_part(to_unicode(k), full_quote=full_quote)
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1555 if v is None:
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1556 ret_list.append(key)
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1557 else:
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1558 val = quote_query_part(to_unicode(v), full_quote=full_quote)
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1559 ret_list.append(u'='.join((key, val)))
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1560 return u'&'.join(ret_list)
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1561
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1562 # TODO: cleanup OMD/cachedproperty etc.?
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1563
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1564 # end urlutils.py