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annotate planemo/lib/python3.7/site-packages/future/backports/urllib/parse.py @ 0:d30785e31577 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:18:57 -0400
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1 """
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2 Ported using Python-Future from the Python 3.3 standard library.
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3
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4 Parse (absolute and relative) URLs.
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5
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6 urlparse module is based upon the following RFC specifications.
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7
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8 RFC 3986 (STD66): "Uniform Resource Identifiers" by T. Berners-Lee, R. Fielding
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9 and L. Masinter, January 2005.
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10
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11 RFC 2732 : "Format for Literal IPv6 Addresses in URL's by R.Hinden, B.Carpenter
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12 and L.Masinter, December 1999.
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13
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14 RFC 2396: "Uniform Resource Identifiers (URI)": Generic Syntax by T.
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15 Berners-Lee, R. Fielding, and L. Masinter, August 1998.
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16
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17 RFC 2368: "The mailto URL scheme", by P.Hoffman , L Masinter, J. Zawinski, July 1998.
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18
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19 RFC 1808: "Relative Uniform Resource Locators", by R. Fielding, UC Irvine, June
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20 1995.
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21
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22 RFC 1738: "Uniform Resource Locators (URL)" by T. Berners-Lee, L. Masinter, M.
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23 McCahill, December 1994
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24
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25 RFC 3986 is considered the current standard and any future changes to
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26 urlparse module should conform with it. The urlparse module is
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27 currently not entirely compliant with this RFC due to defacto
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28 scenarios for parsing, and for backward compatibility purposes, some
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29 parsing quirks from older RFCs are retained. The testcases in
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30 test_urlparse.py provides a good indicator of parsing behavior.
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31 """
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32 from __future__ import absolute_import, division, unicode_literals
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33 from future.builtins import bytes, chr, dict, int, range, str
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34 from future.utils import raise_with_traceback
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35
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36 import re
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37 import sys
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38 import collections
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39
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40 __all__ = ["urlparse", "urlunparse", "urljoin", "urldefrag",
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41 "urlsplit", "urlunsplit", "urlencode", "parse_qs",
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42 "parse_qsl", "quote", "quote_plus", "quote_from_bytes",
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43 "unquote", "unquote_plus", "unquote_to_bytes"]
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44
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45 # A classification of schemes ('' means apply by default)
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46 uses_relative = ['ftp', 'http', 'gopher', 'nntp', 'imap',
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47 'wais', 'file', 'https', 'shttp', 'mms',
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48 'prospero', 'rtsp', 'rtspu', '', 'sftp',
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49 'svn', 'svn+ssh']
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50 uses_netloc = ['ftp', 'http', 'gopher', 'nntp', 'telnet',
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51 'imap', 'wais', 'file', 'mms', 'https', 'shttp',
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52 'snews', 'prospero', 'rtsp', 'rtspu', 'rsync', '',
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53 'svn', 'svn+ssh', 'sftp', 'nfs', 'git', 'git+ssh']
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54 uses_params = ['ftp', 'hdl', 'prospero', 'http', 'imap',
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55 'https', 'shttp', 'rtsp', 'rtspu', 'sip', 'sips',
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56 'mms', '', 'sftp', 'tel']
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57
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58 # These are not actually used anymore, but should stay for backwards
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59 # compatibility. (They are undocumented, but have a public-looking name.)
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60 non_hierarchical = ['gopher', 'hdl', 'mailto', 'news',
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61 'telnet', 'wais', 'imap', 'snews', 'sip', 'sips']
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62 uses_query = ['http', 'wais', 'imap', 'https', 'shttp', 'mms',
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63 'gopher', 'rtsp', 'rtspu', 'sip', 'sips', '']
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64 uses_fragment = ['ftp', 'hdl', 'http', 'gopher', 'news',
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65 'nntp', 'wais', 'https', 'shttp', 'snews',
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66 'file', 'prospero', '']
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67
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68 # Characters valid in scheme names
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69 scheme_chars = ('abcdefghijklmnopqrstuvwxyz'
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70 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
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71 '0123456789'
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72 '+-.')
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73
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74 # XXX: Consider replacing with functools.lru_cache
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75 MAX_CACHE_SIZE = 20
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76 _parse_cache = {}
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77
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78 def clear_cache():
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79 """Clear the parse cache and the quoters cache."""
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80 _parse_cache.clear()
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81 _safe_quoters.clear()
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82
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83
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84 # Helpers for bytes handling
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85 # For 3.2, we deliberately require applications that
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86 # handle improperly quoted URLs to do their own
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87 # decoding and encoding. If valid use cases are
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88 # presented, we may relax this by using latin-1
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89 # decoding internally for 3.3
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90 _implicit_encoding = 'ascii'
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91 _implicit_errors = 'strict'
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92
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93 def _noop(obj):
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94 return obj
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95
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96 def _encode_result(obj, encoding=_implicit_encoding,
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97 errors=_implicit_errors):
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98 return obj.encode(encoding, errors)
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99
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100 def _decode_args(args, encoding=_implicit_encoding,
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101 errors=_implicit_errors):
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102 return tuple(x.decode(encoding, errors) if x else '' for x in args)
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103
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104 def _coerce_args(*args):
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105 # Invokes decode if necessary to create str args
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106 # and returns the coerced inputs along with
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107 # an appropriate result coercion function
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108 # - noop for str inputs
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109 # - encoding function otherwise
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110 str_input = isinstance(args[0], str)
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111 for arg in args[1:]:
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112 # We special-case the empty string to support the
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113 # "scheme=''" default argument to some functions
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114 if arg and isinstance(arg, str) != str_input:
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115 raise TypeError("Cannot mix str and non-str arguments")
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116 if str_input:
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117 return args + (_noop,)
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118 return _decode_args(args) + (_encode_result,)
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119
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120 # Result objects are more helpful than simple tuples
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121 class _ResultMixinStr(object):
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122 """Standard approach to encoding parsed results from str to bytes"""
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123 __slots__ = ()
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124
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125 def encode(self, encoding='ascii', errors='strict'):
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126 return self._encoded_counterpart(*(x.encode(encoding, errors) for x in self))
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127
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128
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129 class _ResultMixinBytes(object):
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130 """Standard approach to decoding parsed results from bytes to str"""
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131 __slots__ = ()
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132
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133 def decode(self, encoding='ascii', errors='strict'):
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134 return self._decoded_counterpart(*(x.decode(encoding, errors) for x in self))
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135
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136
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137 class _NetlocResultMixinBase(object):
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138 """Shared methods for the parsed result objects containing a netloc element"""
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139 __slots__ = ()
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140
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141 @property
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142 def username(self):
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143 return self._userinfo[0]
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144
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145 @property
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146 def password(self):
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147 return self._userinfo[1]
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148
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149 @property
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150 def hostname(self):
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151 hostname = self._hostinfo[0]
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152 if not hostname:
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153 hostname = None
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154 elif hostname is not None:
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155 hostname = hostname.lower()
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156 return hostname
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157
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158 @property
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159 def port(self):
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160 port = self._hostinfo[1]
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161 if port is not None:
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162 port = int(port, 10)
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163 # Return None on an illegal port
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164 if not ( 0 <= port <= 65535):
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165 return None
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166 return port
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167
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168
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169 class _NetlocResultMixinStr(_NetlocResultMixinBase, _ResultMixinStr):
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170 __slots__ = ()
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171
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172 @property
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173 def _userinfo(self):
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174 netloc = self.netloc
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175 userinfo, have_info, hostinfo = netloc.rpartition('@')
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176 if have_info:
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177 username, have_password, password = userinfo.partition(':')
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178 if not have_password:
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179 password = None
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180 else:
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181 username = password = None
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182 return username, password
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183
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184 @property
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185 def _hostinfo(self):
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186 netloc = self.netloc
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187 _, _, hostinfo = netloc.rpartition('@')
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188 _, have_open_br, bracketed = hostinfo.partition('[')
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189 if have_open_br:
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190 hostname, _, port = bracketed.partition(']')
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191 _, have_port, port = port.partition(':')
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192 else:
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193 hostname, have_port, port = hostinfo.partition(':')
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194 if not have_port:
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195 port = None
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196 return hostname, port
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197
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198
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199 class _NetlocResultMixinBytes(_NetlocResultMixinBase, _ResultMixinBytes):
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200 __slots__ = ()
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201
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202 @property
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203 def _userinfo(self):
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204 netloc = self.netloc
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205 userinfo, have_info, hostinfo = netloc.rpartition(b'@')
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206 if have_info:
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207 username, have_password, password = userinfo.partition(b':')
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208 if not have_password:
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209 password = None
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210 else:
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211 username = password = None
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212 return username, password
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213
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214 @property
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215 def _hostinfo(self):
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216 netloc = self.netloc
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217 _, _, hostinfo = netloc.rpartition(b'@')
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218 _, have_open_br, bracketed = hostinfo.partition(b'[')
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219 if have_open_br:
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220 hostname, _, port = bracketed.partition(b']')
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221 _, have_port, port = port.partition(b':')
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222 else:
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223 hostname, have_port, port = hostinfo.partition(b':')
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224 if not have_port:
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225 port = None
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226 return hostname, port
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227
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228
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229 from collections import namedtuple
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230
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231 _DefragResultBase = namedtuple('DefragResult', 'url fragment')
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232 _SplitResultBase = namedtuple('SplitResult', 'scheme netloc path query fragment')
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233 _ParseResultBase = namedtuple('ParseResult', 'scheme netloc path params query fragment')
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234
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235 # For backwards compatibility, alias _NetlocResultMixinStr
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236 # ResultBase is no longer part of the documented API, but it is
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237 # retained since deprecating it isn't worth the hassle
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238 ResultBase = _NetlocResultMixinStr
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239
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240 # Structured result objects for string data
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241 class DefragResult(_DefragResultBase, _ResultMixinStr):
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242 __slots__ = ()
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243 def geturl(self):
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244 if self.fragment:
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245 return self.url + '#' + self.fragment
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246 else:
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247 return self.url
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248
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249 class SplitResult(_SplitResultBase, _NetlocResultMixinStr):
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250 __slots__ = ()
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251 def geturl(self):
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252 return urlunsplit(self)
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253
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254 class ParseResult(_ParseResultBase, _NetlocResultMixinStr):
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255 __slots__ = ()
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256 def geturl(self):
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257 return urlunparse(self)
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258
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259 # Structured result objects for bytes data
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260 class DefragResultBytes(_DefragResultBase, _ResultMixinBytes):
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261 __slots__ = ()
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262 def geturl(self):
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263 if self.fragment:
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264 return self.url + b'#' + self.fragment
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265 else:
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266 return self.url
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267
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268 class SplitResultBytes(_SplitResultBase, _NetlocResultMixinBytes):
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269 __slots__ = ()
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270 def geturl(self):
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271 return urlunsplit(self)
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272
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273 class ParseResultBytes(_ParseResultBase, _NetlocResultMixinBytes):
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274 __slots__ = ()
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275 def geturl(self):
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276 return urlunparse(self)
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277
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278 # Set up the encode/decode result pairs
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279 def _fix_result_transcoding():
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280 _result_pairs = (
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281 (DefragResult, DefragResultBytes),
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282 (SplitResult, SplitResultBytes),
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283 (ParseResult, ParseResultBytes),
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284 )
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285 for _decoded, _encoded in _result_pairs:
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286 _decoded._encoded_counterpart = _encoded
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287 _encoded._decoded_counterpart = _decoded
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288
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289 _fix_result_transcoding()
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290 del _fix_result_transcoding
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291
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292 def urlparse(url, scheme='', allow_fragments=True):
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293 """Parse a URL into 6 components:
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294 <scheme>://<netloc>/<path>;<params>?<query>#<fragment>
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295 Return a 6-tuple: (scheme, netloc, path, params, query, fragment).
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296 Note that we don't break the components up in smaller bits
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297 (e.g. netloc is a single string) and we don't expand % escapes."""
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298 url, scheme, _coerce_result = _coerce_args(url, scheme)
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299 splitresult = urlsplit(url, scheme, allow_fragments)
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300 scheme, netloc, url, query, fragment = splitresult
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301 if scheme in uses_params and ';' in url:
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302 url, params = _splitparams(url)
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303 else:
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304 params = ''
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305 result = ParseResult(scheme, netloc, url, params, query, fragment)
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306 return _coerce_result(result)
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307
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308 def _splitparams(url):
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309 if '/' in url:
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310 i = url.find(';', url.rfind('/'))
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311 if i < 0:
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312 return url, ''
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313 else:
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314 i = url.find(';')
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315 return url[:i], url[i+1:]
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316
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317 def _splitnetloc(url, start=0):
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318 delim = len(url) # position of end of domain part of url, default is end
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319 for c in '/?#': # look for delimiters; the order is NOT important
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320 wdelim = url.find(c, start) # find first of this delim
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321 if wdelim >= 0: # if found
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322 delim = min(delim, wdelim) # use earliest delim position
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323 return url[start:delim], url[delim:] # return (domain, rest)
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324
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325 def urlsplit(url, scheme='', allow_fragments=True):
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326 """Parse a URL into 5 components:
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327 <scheme>://<netloc>/<path>?<query>#<fragment>
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328 Return a 5-tuple: (scheme, netloc, path, query, fragment).
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329 Note that we don't break the components up in smaller bits
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330 (e.g. netloc is a single string) and we don't expand % escapes."""
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331 url, scheme, _coerce_result = _coerce_args(url, scheme)
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332 allow_fragments = bool(allow_fragments)
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333 key = url, scheme, allow_fragments, type(url), type(scheme)
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334 cached = _parse_cache.get(key, None)
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335 if cached:
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336 return _coerce_result(cached)
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337 if len(_parse_cache) >= MAX_CACHE_SIZE: # avoid runaway growth
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338 clear_cache()
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339 netloc = query = fragment = ''
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340 i = url.find(':')
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341 if i > 0:
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342 if url[:i] == 'http': # optimize the common case
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343 scheme = url[:i].lower()
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344 url = url[i+1:]
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345 if url[:2] == '//':
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346 netloc, url = _splitnetloc(url, 2)
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347 if (('[' in netloc and ']' not in netloc) or
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348 (']' in netloc and '[' not in netloc)):
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349 raise ValueError("Invalid IPv6 URL")
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350 if allow_fragments and '#' in url:
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351 url, fragment = url.split('#', 1)
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352 if '?' in url:
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353 url, query = url.split('?', 1)
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354 v = SplitResult(scheme, netloc, url, query, fragment)
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355 _parse_cache[key] = v
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356 return _coerce_result(v)
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357 for c in url[:i]:
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358 if c not in scheme_chars:
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359 break
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360 else:
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361 # make sure "url" is not actually a port number (in which case
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362 # "scheme" is really part of the path)
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363 rest = url[i+1:]
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364 if not rest or any(c not in '0123456789' for c in rest):
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365 # not a port number
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366 scheme, url = url[:i].lower(), rest
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367
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368 if url[:2] == '//':
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369 netloc, url = _splitnetloc(url, 2)
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370 if (('[' in netloc and ']' not in netloc) or
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371 (']' in netloc and '[' not in netloc)):
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372 raise ValueError("Invalid IPv6 URL")
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373 if allow_fragments and '#' in url:
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374 url, fragment = url.split('#', 1)
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375 if '?' in url:
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376 url, query = url.split('?', 1)
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377 v = SplitResult(scheme, netloc, url, query, fragment)
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378 _parse_cache[key] = v
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379 return _coerce_result(v)
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380
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381 def urlunparse(components):
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382 """Put a parsed URL back together again. This may result in a
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383 slightly different, but equivalent URL, if the URL that was parsed
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384 originally had redundant delimiters, e.g. a ? with an empty query
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385 (the draft states that these are equivalent)."""
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386 scheme, netloc, url, params, query, fragment, _coerce_result = (
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
387 _coerce_args(*components))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
388 if params:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
389 url = "%s;%s" % (url, params)
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diff changeset
390 return _coerce_result(urlunsplit((scheme, netloc, url, query, fragment)))
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diff changeset
391
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diff changeset
392 def urlunsplit(components):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
393 """Combine the elements of a tuple as returned by urlsplit() into a
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
394 complete URL as a string. The data argument can be any five-item iterable.
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395 This may result in a slightly different, but equivalent URL, if the URL that
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396 was parsed originally had unnecessary delimiters (for example, a ? with an
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
397 empty query; the RFC states that these are equivalent)."""
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diff changeset
398 scheme, netloc, url, query, fragment, _coerce_result = (
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
399 _coerce_args(*components))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
400 if netloc or (scheme and scheme in uses_netloc and url[:2] != '//'):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
401 if url and url[:1] != '/': url = '/' + url
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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402 url = '//' + (netloc or '') + url
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diff changeset
403 if scheme:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
404 url = scheme + ':' + url
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
405 if query:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
406 url = url + '?' + query
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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407 if fragment:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
408 url = url + '#' + fragment
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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409 return _coerce_result(url)
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410
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411 def urljoin(base, url, allow_fragments=True):
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412 """Join a base URL and a possibly relative URL to form an absolute
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413 interpretation of the latter."""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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414 if not base:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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415 return url
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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416 if not url:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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417 return base
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418 base, url, _coerce_result = _coerce_args(base, url)
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419 bscheme, bnetloc, bpath, bparams, bquery, bfragment = \
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420 urlparse(base, '', allow_fragments)
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diff changeset
421 scheme, netloc, path, params, query, fragment = \
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diff changeset
422 urlparse(url, bscheme, allow_fragments)
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423 if scheme != bscheme or scheme not in uses_relative:
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424 return _coerce_result(url)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
425 if scheme in uses_netloc:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
426 if netloc:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
427 return _coerce_result(urlunparse((scheme, netloc, path,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
428 params, query, fragment)))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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429 netloc = bnetloc
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
430 if path[:1] == '/':
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diff changeset
431 return _coerce_result(urlunparse((scheme, netloc, path,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
432 params, query, fragment)))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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433 if not path and not params:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
434 path = bpath
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
435 params = bparams
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
436 if not query:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
437 query = bquery
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
438 return _coerce_result(urlunparse((scheme, netloc, path,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
439 params, query, fragment)))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
440 segments = bpath.split('/')[:-1] + path.split('/')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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441 # XXX The stuff below is bogus in various ways...
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diff changeset
442 if segments[-1] == '.':
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443 segments[-1] = ''
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
444 while '.' in segments:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
445 segments.remove('.')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
446 while 1:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
447 i = 1
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
448 n = len(segments) - 1
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
449 while i < n:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
450 if (segments[i] == '..'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
451 and segments[i-1] not in ('', '..')):
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diff changeset
452 del segments[i-1:i+1]
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diff changeset
453 break
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diff changeset
454 i = i+1
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
455 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
456 break
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
457 if segments == ['', '..']:
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diff changeset
458 segments[-1] = ''
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
459 elif len(segments) >= 2 and segments[-1] == '..':
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diff changeset
460 segments[-2:] = ['']
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
461 return _coerce_result(urlunparse((scheme, netloc, '/'.join(segments),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
462 params, query, fragment)))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
463
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
464 def urldefrag(url):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
465 """Removes any existing fragment from URL.
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diff changeset
466
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
467 Returns a tuple of the defragmented URL and the fragment. If
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
468 the URL contained no fragments, the second element is the
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
469 empty string.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
470 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
471 url, _coerce_result = _coerce_args(url)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
472 if '#' in url:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
473 s, n, p, a, q, frag = urlparse(url)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
474 defrag = urlunparse((s, n, p, a, q, ''))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
475 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
476 frag = ''
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
477 defrag = url
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
478 return _coerce_result(DefragResult(defrag, frag))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
479
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
480 _hexdig = '0123456789ABCDEFabcdef'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
481 _hextobyte = dict(((a + b).encode(), bytes([int(a + b, 16)]))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
482 for a in _hexdig for b in _hexdig)
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diff changeset
483
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
484 def unquote_to_bytes(string):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
485 """unquote_to_bytes('abc%20def') -> b'abc def'."""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
486 # Note: strings are encoded as UTF-8. This is only an issue if it contains
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
487 # unescaped non-ASCII characters, which URIs should not.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
488 if not string:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
489 # Is it a string-like object?
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
490 string.split
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
491 return bytes(b'')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
492 if isinstance(string, str):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
493 string = string.encode('utf-8')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
494 ### For Python-Future:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
495 # It is already a byte-string object, but force it to be newbytes here on
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
496 # Py2:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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497 string = bytes(string)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
498 ###
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
499 bits = string.split(b'%')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
500 if len(bits) == 1:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
501 return string
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
502 res = [bits[0]]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
503 append = res.append
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
504 for item in bits[1:]:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
505 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
506 append(_hextobyte[item[:2]])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
507 append(item[2:])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
508 except KeyError:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
509 append(b'%')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
510 append(item)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
511 return bytes(b'').join(res)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
512
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
513 _asciire = re.compile('([\x00-\x7f]+)')
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guerler
parents:
diff changeset
514
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diff changeset
515 def unquote(string, encoding='utf-8', errors='replace'):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
516 """Replace %xx escapes by their single-character equivalent. The optional
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diff changeset
517 encoding and errors parameters specify how to decode percent-encoded
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diff changeset
518 sequences into Unicode characters, as accepted by the bytes.decode()
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diff changeset
519 method.
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diff changeset
520 By default, percent-encoded sequences are decoded with UTF-8, and invalid
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diff changeset
521 sequences are replaced by a placeholder character.
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diff changeset
522
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523 unquote('abc%20def') -> 'abc def'.
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diff changeset
524 """
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525 if '%' not in string:
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diff changeset
526 string.split
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diff changeset
527 return string
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diff changeset
528 if encoding is None:
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diff changeset
529 encoding = 'utf-8'
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diff changeset
530 if errors is None:
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diff changeset
531 errors = 'replace'
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diff changeset
532 bits = _asciire.split(string)
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diff changeset
533 res = [bits[0]]
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diff changeset
534 append = res.append
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diff changeset
535 for i in range(1, len(bits), 2):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
536 append(unquote_to_bytes(bits[i]).decode(encoding, errors))
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diff changeset
537 append(bits[i + 1])
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diff changeset
538 return ''.join(res)
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diff changeset
539
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540 def parse_qs(qs, keep_blank_values=False, strict_parsing=False,
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diff changeset
541 encoding='utf-8', errors='replace'):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
542 """Parse a query given as a string argument.
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diff changeset
543
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diff changeset
544 Arguments:
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diff changeset
545
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diff changeset
546 qs: percent-encoded query string to be parsed
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diff changeset
547
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diff changeset
548 keep_blank_values: flag indicating whether blank values in
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diff changeset
549 percent-encoded queries should be treated as blank strings.
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diff changeset
550 A true value indicates that blanks should be retained as
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
551 blank strings. The default false value indicates that
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
552 blank values are to be ignored and treated as if they were
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diff changeset
553 not included.
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diff changeset
554
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diff changeset
555 strict_parsing: flag indicating what to do with parsing errors.
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diff changeset
556 If false (the default), errors are silently ignored.
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diff changeset
557 If true, errors raise a ValueError exception.
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diff changeset
558
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diff changeset
559 encoding and errors: specify how to decode percent-encoded sequences
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diff changeset
560 into Unicode characters, as accepted by the bytes.decode() method.
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diff changeset
561 """
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diff changeset
562 parsed_result = {}
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diff changeset
563 pairs = parse_qsl(qs, keep_blank_values, strict_parsing,
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diff changeset
564 encoding=encoding, errors=errors)
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diff changeset
565 for name, value in pairs:
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diff changeset
566 if name in parsed_result:
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567 parsed_result[name].append(value)
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568 else:
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diff changeset
569 parsed_result[name] = [value]
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570 return parsed_result
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571
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572 def parse_qsl(qs, keep_blank_values=False, strict_parsing=False,
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diff changeset
573 encoding='utf-8', errors='replace'):
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diff changeset
574 """Parse a query given as a string argument.
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diff changeset
575
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diff changeset
576 Arguments:
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diff changeset
577
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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578 qs: percent-encoded query string to be parsed
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diff changeset
579
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diff changeset
580 keep_blank_values: flag indicating whether blank values in
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diff changeset
581 percent-encoded queries should be treated as blank strings. A
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
582 true value indicates that blanks should be retained as blank
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diff changeset
583 strings. The default false value indicates that blank values
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
584 are to be ignored and treated as if they were not included.
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585
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diff changeset
586 strict_parsing: flag indicating what to do with parsing errors. If
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587 false (the default), errors are silently ignored. If true,
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diff changeset
588 errors raise a ValueError exception.
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diff changeset
589
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diff changeset
590 encoding and errors: specify how to decode percent-encoded sequences
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diff changeset
591 into Unicode characters, as accepted by the bytes.decode() method.
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diff changeset
592
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593 Returns a list, as G-d intended.
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594 """
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diff changeset
595 qs, _coerce_result = _coerce_args(qs)
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diff changeset
596 pairs = [s2 for s1 in qs.split('&') for s2 in s1.split(';')]
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597 r = []
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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598 for name_value in pairs:
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599 if not name_value and not strict_parsing:
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diff changeset
600 continue
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601 nv = name_value.split('=', 1)
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602 if len(nv) != 2:
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603 if strict_parsing:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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604 raise ValueError("bad query field: %r" % (name_value,))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
605 # Handle case of a control-name with no equal sign
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diff changeset
606 if keep_blank_values:
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diff changeset
607 nv.append('')
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608 else:
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diff changeset
609 continue
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
610 if len(nv[1]) or keep_blank_values:
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diff changeset
611 name = nv[0].replace('+', ' ')
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diff changeset
612 name = unquote(name, encoding=encoding, errors=errors)
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diff changeset
613 name = _coerce_result(name)
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614 value = nv[1].replace('+', ' ')
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615 value = unquote(value, encoding=encoding, errors=errors)
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616 value = _coerce_result(value)
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617 r.append((name, value))
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618 return r
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619
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620 def unquote_plus(string, encoding='utf-8', errors='replace'):
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diff changeset
621 """Like unquote(), but also replace plus signs by spaces, as required for
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
622 unquoting HTML form values.
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diff changeset
623
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624 unquote_plus('%7e/abc+def') -> '~/abc def'
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625 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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626 string = string.replace('+', ' ')
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627 return unquote(string, encoding, errors)
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diff changeset
628
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629 _ALWAYS_SAFE = frozenset(bytes(b'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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630 b'abcdefghijklmnopqrstuvwxyz'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
631 b'0123456789'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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632 b'_.-'))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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633 _ALWAYS_SAFE_BYTES = bytes(_ALWAYS_SAFE)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
634 _safe_quoters = {}
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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635
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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636 class Quoter(collections.defaultdict):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
637 """A mapping from bytes (in range(0,256)) to strings.
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diff changeset
638
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639 String values are percent-encoded byte values, unless the key < 128, and
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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640 in the "safe" set (either the specified safe set, or default set).
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641 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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642 # Keeps a cache internally, using defaultdict, for efficiency (lookups
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
643 # of cached keys don't call Python code at all).
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
644 def __init__(self, safe):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
645 """safe: bytes object."""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
646 self.safe = _ALWAYS_SAFE.union(bytes(safe))
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guerler
parents:
diff changeset
647
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
648 def __repr__(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
649 # Without this, will just display as a defaultdict
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
650 return "<Quoter %r>" % dict(self)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
651
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
652 def __missing__(self, b):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
653 # Handle a cache miss. Store quoted string in cache and return.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
654 res = chr(b) if b in self.safe else '%{0:02X}'.format(b)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
655 self[b] = res
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
656 return res
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
657
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
658 def quote(string, safe='/', encoding=None, errors=None):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
659 """quote('abc def') -> 'abc%20def'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
660
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
661 Each part of a URL, e.g. the path info, the query, etc., has a
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
662 different set of reserved characters that must be quoted.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
663
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
664 RFC 2396 Uniform Resource Identifiers (URI): Generic Syntax lists
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
665 the following reserved characters.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
666
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
667 reserved = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" |
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
668 "$" | ","
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
669
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
670 Each of these characters is reserved in some component of a URL,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
671 but not necessarily in all of them.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
672
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
673 By default, the quote function is intended for quoting the path
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
674 section of a URL. Thus, it will not encode '/'. This character
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
675 is reserved, but in typical usage the quote function is being
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
676 called on a path where the existing slash characters are used as
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
677 reserved characters.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
678
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
679 string and safe may be either str or bytes objects. encoding must
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
680 not be specified if string is a str.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
681
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
682 The optional encoding and errors parameters specify how to deal with
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
683 non-ASCII characters, as accepted by the str.encode method.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
684 By default, encoding='utf-8' (characters are encoded with UTF-8), and
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
685 errors='strict' (unsupported characters raise a UnicodeEncodeError).
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
686 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
687 if isinstance(string, str):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
688 if not string:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
689 return string
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
690 if encoding is None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
691 encoding = 'utf-8'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
692 if errors is None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
693 errors = 'strict'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
694 string = string.encode(encoding, errors)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
695 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
696 if encoding is not None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
697 raise TypeError("quote() doesn't support 'encoding' for bytes")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
698 if errors is not None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
699 raise TypeError("quote() doesn't support 'errors' for bytes")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
700 return quote_from_bytes(string, safe)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
701
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
702 def quote_plus(string, safe='', encoding=None, errors=None):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
703 """Like quote(), but also replace ' ' with '+', as required for quoting
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
704 HTML form values. Plus signs in the original string are escaped unless
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
705 they are included in safe. It also does not have safe default to '/'.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
706 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
707 # Check if ' ' in string, where string may either be a str or bytes. If
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
708 # there are no spaces, the regular quote will produce the right answer.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
709 if ((isinstance(string, str) and ' ' not in string) or
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
710 (isinstance(string, bytes) and b' ' not in string)):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
711 return quote(string, safe, encoding, errors)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
712 if isinstance(safe, str):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
713 space = str(' ')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
714 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
715 space = bytes(b' ')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
716 string = quote(string, safe + space, encoding, errors)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
717 return string.replace(' ', '+')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
718
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
719 def quote_from_bytes(bs, safe='/'):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
720 """Like quote(), but accepts a bytes object rather than a str, and does
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
721 not perform string-to-bytes encoding. It always returns an ASCII string.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
722 quote_from_bytes(b'abc def\x3f') -> 'abc%20def%3f'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
723 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
724 if not isinstance(bs, (bytes, bytearray)):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
725 raise TypeError("quote_from_bytes() expected bytes")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
726 if not bs:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
727 return str('')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
728 ### For Python-Future:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
729 bs = bytes(bs)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
730 ###
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
731 if isinstance(safe, str):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
732 # Normalize 'safe' by converting to bytes and removing non-ASCII chars
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
733 safe = str(safe).encode('ascii', 'ignore')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
734 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
735 ### For Python-Future:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
736 safe = bytes(safe)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
737 ###
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
738 safe = bytes([c for c in safe if c < 128])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
739 if not bs.rstrip(_ALWAYS_SAFE_BYTES + safe):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
740 return bs.decode()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
741 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
742 quoter = _safe_quoters[safe]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
743 except KeyError:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
744 _safe_quoters[safe] = quoter = Quoter(safe).__getitem__
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
745 return str('').join([quoter(char) for char in bs])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
746
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
747 def urlencode(query, doseq=False, safe='', encoding=None, errors=None):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
748 """Encode a sequence of two-element tuples or dictionary into a URL query string.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
749
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
750 If any values in the query arg are sequences and doseq is true, each
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
751 sequence element is converted to a separate parameter.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
752
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
753 If the query arg is a sequence of two-element tuples, the order of the
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
754 parameters in the output will match the order of parameters in the
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
755 input.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
756
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
757 The query arg may be either a string or a bytes type. When query arg is a
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
758 string, the safe, encoding and error parameters are sent the quote_plus for
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
759 encoding.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
760 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
761
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
762 if hasattr(query, "items"):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
763 query = query.items()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
764 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
765 # It's a bother at times that strings and string-like objects are
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
766 # sequences.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
767 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
768 # non-sequence items should not work with len()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
769 # non-empty strings will fail this
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
770 if len(query) and not isinstance(query[0], tuple):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
771 raise TypeError
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
772 # Zero-length sequences of all types will get here and succeed,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
773 # but that's a minor nit. Since the original implementation
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
774 # allowed empty dicts that type of behavior probably should be
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
775 # preserved for consistency
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
776 except TypeError:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
777 ty, va, tb = sys.exc_info()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
778 raise_with_traceback(TypeError("not a valid non-string sequence "
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
779 "or mapping object"), tb)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
780
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
781 l = []
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
782 if not doseq:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
783 for k, v in query:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
784 if isinstance(k, bytes):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
785 k = quote_plus(k, safe)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
786 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
787 k = quote_plus(str(k), safe, encoding, errors)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
788
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
789 if isinstance(v, bytes):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
790 v = quote_plus(v, safe)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
791 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
792 v = quote_plus(str(v), safe, encoding, errors)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
793 l.append(k + '=' + v)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
794 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
795 for k, v in query:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
796 if isinstance(k, bytes):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
797 k = quote_plus(k, safe)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
798 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
799 k = quote_plus(str(k), safe, encoding, errors)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
800
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
801 if isinstance(v, bytes):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
802 v = quote_plus(v, safe)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
803 l.append(k + '=' + v)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
804 elif isinstance(v, str):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
805 v = quote_plus(v, safe, encoding, errors)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
806 l.append(k + '=' + v)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
807 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
808 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
809 # Is this a sufficient test for sequence-ness?
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
810 x = len(v)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
811 except TypeError:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
812 # not a sequence
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
813 v = quote_plus(str(v), safe, encoding, errors)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
814 l.append(k + '=' + v)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
815 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
816 # loop over the sequence
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
817 for elt in v:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
818 if isinstance(elt, bytes):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
819 elt = quote_plus(elt, safe)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
820 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
821 elt = quote_plus(str(elt), safe, encoding, errors)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
822 l.append(k + '=' + elt)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
823 return str('&').join(l)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
824
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
825 # Utilities to parse URLs (most of these return None for missing parts):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
826 # unwrap('<URL:type://host/path>') --> 'type://host/path'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
827 # splittype('type:opaquestring') --> 'type', 'opaquestring'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
828 # splithost('//host[:port]/path') --> 'host[:port]', '/path'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
829 # splituser('user[:passwd]@host[:port]') --> 'user[:passwd]', 'host[:port]'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
830 # splitpasswd('user:passwd') -> 'user', 'passwd'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
831 # splitport('host:port') --> 'host', 'port'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
832 # splitquery('/path?query') --> '/path', 'query'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
833 # splittag('/path#tag') --> '/path', 'tag'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
834 # splitattr('/path;attr1=value1;attr2=value2;...') ->
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
835 # '/path', ['attr1=value1', 'attr2=value2', ...]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
836 # splitvalue('attr=value') --> 'attr', 'value'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
837 # urllib.parse.unquote('abc%20def') -> 'abc def'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
838 # quote('abc def') -> 'abc%20def')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
839
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
840 def to_bytes(url):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
841 """to_bytes(u"URL") --> 'URL'."""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
842 # Most URL schemes require ASCII. If that changes, the conversion
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
843 # can be relaxed.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
844 # XXX get rid of to_bytes()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
845 if isinstance(url, str):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
846 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
847 url = url.encode("ASCII").decode()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
848 except UnicodeError:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
849 raise UnicodeError("URL " + repr(url) +
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
850 " contains non-ASCII characters")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
851 return url
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
852
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
853 def unwrap(url):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
854 """unwrap('<URL:type://host/path>') --> 'type://host/path'."""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
855 url = str(url).strip()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
856 if url[:1] == '<' and url[-1:] == '>':
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
857 url = url[1:-1].strip()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
858 if url[:4] == 'URL:': url = url[4:].strip()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
859 return url
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
860
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
861 _typeprog = None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
862 def splittype(url):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
863 """splittype('type:opaquestring') --> 'type', 'opaquestring'."""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
864 global _typeprog
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
865 if _typeprog is None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
866 import re
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
867 _typeprog = re.compile('^([^/:]+):')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
868
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
869 match = _typeprog.match(url)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
870 if match:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
871 scheme = match.group(1)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
872 return scheme.lower(), url[len(scheme) + 1:]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
873 return None, url
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
874
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
875 _hostprog = None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
876 def splithost(url):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
877 """splithost('//host[:port]/path') --> 'host[:port]', '/path'."""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
878 global _hostprog
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
879 if _hostprog is None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
880 import re
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
881 _hostprog = re.compile('^//([^/?]*)(.*)$')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
882
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
883 match = _hostprog.match(url)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
884 if match:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
885 host_port = match.group(1)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
886 path = match.group(2)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
887 if path and not path.startswith('/'):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
888 path = '/' + path
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
889 return host_port, path
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
890 return None, url
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
891
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
892 _userprog = None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
893 def splituser(host):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
894 """splituser('user[:passwd]@host[:port]') --> 'user[:passwd]', 'host[:port]'."""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
895 global _userprog
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
896 if _userprog is None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
897 import re
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
898 _userprog = re.compile('^(.*)@(.*)$')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
899
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
900 match = _userprog.match(host)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
901 if match: return match.group(1, 2)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
902 return None, host
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
903
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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904 _passwdprog = None
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diff changeset
905 def splitpasswd(user):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
906 """splitpasswd('user:passwd') -> 'user', 'passwd'."""
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parents:
diff changeset
907 global _passwdprog
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908 if _passwdprog is None:
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909 import re
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910 _passwdprog = re.compile('^([^:]*):(.*)$',re.S)
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911
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912 match = _passwdprog.match(user)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
913 if match: return match.group(1, 2)
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diff changeset
914 return user, None
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915
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916 # splittag('/path#tag') --> '/path', 'tag'
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diff changeset
917 _portprog = None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
918 def splitport(host):
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919 """splitport('host:port') --> 'host', 'port'."""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
920 global _portprog
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diff changeset
921 if _portprog is None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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922 import re
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923 _portprog = re.compile('^(.*):([0-9]+)$')
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924
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925 match = _portprog.match(host)
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diff changeset
926 if match: return match.group(1, 2)
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diff changeset
927 return host, None
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928
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929 _nportprog = None
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930 def splitnport(host, defport=-1):
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diff changeset
931 """Split host and port, returning numeric port.
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932 Return given default port if no ':' found; defaults to -1.
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diff changeset
933 Return numerical port if a valid number are found after ':'.
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934 Return None if ':' but not a valid number."""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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935 global _nportprog
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936 if _nportprog is None:
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diff changeset
937 import re
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938 _nportprog = re.compile('^(.*):(.*)$')
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diff changeset
939
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940 match = _nportprog.match(host)
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diff changeset
941 if match:
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942 host, port = match.group(1, 2)
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diff changeset
943 try:
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944 if not port: raise ValueError("no digits")
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945 nport = int(port)
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946 except ValueError:
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diff changeset
947 nport = None
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948 return host, nport
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949 return host, defport
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950
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951 _queryprog = None
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952 def splitquery(url):
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953 """splitquery('/path?query') --> '/path', 'query'."""
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954 global _queryprog
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955 if _queryprog is None:
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956 import re
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957 _queryprog = re.compile('^(.*)\?([^?]*)$')
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diff changeset
958
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959 match = _queryprog.match(url)
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960 if match: return match.group(1, 2)
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diff changeset
961 return url, None
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diff changeset
962
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963 _tagprog = None
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diff changeset
964 def splittag(url):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
965 """splittag('/path#tag') --> '/path', 'tag'."""
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diff changeset
966 global _tagprog
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diff changeset
967 if _tagprog is None:
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diff changeset
968 import re
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diff changeset
969 _tagprog = re.compile('^(.*)#([^#]*)$')
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diff changeset
970
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diff changeset
971 match = _tagprog.match(url)
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parents:
diff changeset
972 if match: return match.group(1, 2)
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diff changeset
973 return url, None
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diff changeset
974
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diff changeset
975 def splitattr(url):
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diff changeset
976 """splitattr('/path;attr1=value1;attr2=value2;...') ->
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
977 '/path', ['attr1=value1', 'attr2=value2', ...]."""
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parents:
diff changeset
978 words = url.split(';')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
979 return words[0], words[1:]
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diff changeset
980
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
981 _valueprog = None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
982 def splitvalue(attr):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
983 """splitvalue('attr=value') --> 'attr', 'value'."""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
984 global _valueprog
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
985 if _valueprog is None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
986 import re
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
987 _valueprog = re.compile('^([^=]*)=(.*)$')
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parents:
diff changeset
988
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parents:
diff changeset
989 match = _valueprog.match(attr)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
990 if match: return match.group(1, 2)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
991 return attr, None