annotate planemo/lib/python3.7/site-packages/docutils/utils/__init__.py @ 1:56ad4e20f292 draft

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date Fri, 31 Jul 2020 00:32:28 -0400
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1 # coding: utf-8
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2 # $Id: __init__.py 8376 2019-08-27 19:49:29Z milde $
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3 # Author: David Goodger <goodger@python.org>
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4 # Copyright: This module has been placed in the public domain.
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5
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6 """
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7 Miscellaneous utilities for the documentation utilities.
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8 """
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9
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10 __docformat__ = 'reStructuredText'
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11
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12 import sys
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13 import os
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14 import os.path
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15 import re
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16 import itertools
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17 import warnings
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18 import unicodedata
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19 from docutils import ApplicationError, DataError, __version_info__
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20 from docutils import nodes
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21 from docutils.nodes import unescape
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22 import docutils.io
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23 from docutils.utils.error_reporting import ErrorOutput, SafeString
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24
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25 if sys.version_info >= (3, 0):
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26 unicode = str
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27
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28
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29 class SystemMessage(ApplicationError):
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30
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31 def __init__(self, system_message, level):
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32 Exception.__init__(self, system_message.astext())
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33 self.level = level
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34
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35
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36 class SystemMessagePropagation(ApplicationError): pass
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37
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38
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39 class Reporter(object):
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40
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41 """
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42 Info/warning/error reporter and ``system_message`` element generator.
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43
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44 Five levels of system messages are defined, along with corresponding
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45 methods: `debug()`, `info()`, `warning()`, `error()`, and `severe()`.
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46
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47 There is typically one Reporter object per process. A Reporter object is
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48 instantiated with thresholds for reporting (generating warnings) and
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49 halting processing (raising exceptions), a switch to turn debug output on
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50 or off, and an I/O stream for warnings. These are stored as instance
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51 attributes.
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52
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53 When a system message is generated, its level is compared to the stored
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54 thresholds, and a warning or error is generated as appropriate. Debug
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55 messages are produced if the stored debug switch is on, independently of
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56 other thresholds. Message output is sent to the stored warning stream if
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57 not set to ''.
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58
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59 The Reporter class also employs a modified form of the "Observer" pattern
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60 [GoF95]_ to track system messages generated. The `attach_observer` method
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61 should be called before parsing, with a bound method or function which
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62 accepts system messages. The observer can be removed with
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63 `detach_observer`, and another added in its place.
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64
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65 .. [GoF95] Gamma, Helm, Johnson, Vlissides. *Design Patterns: Elements of
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66 Reusable Object-Oriented Software*. Addison-Wesley, Reading, MA, USA,
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67 1995.
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68 """
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69
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70 levels = 'DEBUG INFO WARNING ERROR SEVERE'.split()
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71 """List of names for system message levels, indexed by level."""
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72
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73 # system message level constants:
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74 (DEBUG_LEVEL,
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75 INFO_LEVEL,
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76 WARNING_LEVEL,
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77 ERROR_LEVEL,
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78 SEVERE_LEVEL) = range(5)
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79
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80 def __init__(self, source, report_level, halt_level, stream=None,
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81 debug=False, encoding=None, error_handler='backslashreplace'):
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82 """
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83 :Parameters:
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84 - `source`: The path to or description of the source data.
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85 - `report_level`: The level at or above which warning output will
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86 be sent to `stream`.
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87 - `halt_level`: The level at or above which `SystemMessage`
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88 exceptions will be raised, halting execution.
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89 - `debug`: Show debug (level=0) system messages?
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90 - `stream`: Where warning output is sent. Can be file-like (has a
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91 ``.write`` method), a string (file name, opened for writing),
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92 '' (empty string) or `False` (for discarding all stream messages)
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93 or `None` (implies `sys.stderr`; default).
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94 - `encoding`: The output encoding.
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95 - `error_handler`: The error handler for stderr output encoding.
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96 """
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97
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98 self.source = source
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99 """The path to or description of the source data."""
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100
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101 self.error_handler = error_handler
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102 """The character encoding error handler."""
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103
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104 self.debug_flag = debug
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105 """Show debug (level=0) system messages?"""
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106
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107 self.report_level = report_level
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108 """The level at or above which warning output will be sent
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109 to `self.stream`."""
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110
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111 self.halt_level = halt_level
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112 """The level at or above which `SystemMessage` exceptions
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113 will be raised, halting execution."""
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114
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115 if not isinstance(stream, ErrorOutput):
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116 stream = ErrorOutput(stream, encoding, error_handler)
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117
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118 self.stream = stream
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119 """Where warning output is sent."""
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120
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121 self.encoding = encoding or getattr(stream, 'encoding', 'ascii')
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122 """The output character encoding."""
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123
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124 self.observers = []
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125 """List of bound methods or functions to call with each system_message
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126 created."""
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127
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128 self.max_level = -1
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129 """The highest level system message generated so far."""
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130
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131 def set_conditions(self, category, report_level, halt_level,
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132 stream=None, debug=False):
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133 warnings.warn('docutils.utils.Reporter.set_conditions deprecated; '
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134 'set attributes via configuration settings or directly',
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135 DeprecationWarning, stacklevel=2)
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136 self.report_level = report_level
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137 self.halt_level = halt_level
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138 if not isinstance(stream, ErrorOutput):
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139 stream = ErrorOutput(stream, self.encoding, self.error_handler)
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140 self.stream = stream
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141 self.debug_flag = debug
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142
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143 def attach_observer(self, observer):
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144 """
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145 The `observer` parameter is a function or bound method which takes one
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146 argument, a `nodes.system_message` instance.
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147 """
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148 self.observers.append(observer)
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149
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150 def detach_observer(self, observer):
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151 self.observers.remove(observer)
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152
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153 def notify_observers(self, message):
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154 for observer in self.observers:
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155 observer(message)
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156
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157 def system_message(self, level, message, *children, **kwargs):
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158 """
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159 Return a system_message object.
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160
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161 Raise an exception or generate a warning if appropriate.
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162 """
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163 # `message` can be a `string`, `unicode`, or `Exception` instance.
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164 if isinstance(message, Exception):
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165 message = SafeString(message)
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166
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167 attributes = kwargs.copy()
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168 if 'base_node' in kwargs:
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169 source, line = get_source_line(kwargs['base_node'])
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170 del attributes['base_node']
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171 if source is not None:
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172 attributes.setdefault('source', source)
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173 if line is not None:
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174 attributes.setdefault('line', line)
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175 # assert source is not None, "node has line- but no source-argument"
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176 if not 'source' in attributes: # 'line' is absolute line number
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177 try: # look up (source, line-in-source)
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178 source, line = self.get_source_and_line(attributes.get('line'))
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179 except AttributeError:
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180 source, line = None, None
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181 if source is not None:
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182 attributes['source'] = source
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183 if line is not None:
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184 attributes['line'] = line
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185 # assert attributes['line'] is not None, (message, kwargs)
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186 # assert attributes['source'] is not None, (message, kwargs)
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187 attributes.setdefault('source', self.source)
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188
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189 msg = nodes.system_message(message, level=level,
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190 type=self.levels[level],
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191 *children, **attributes)
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192 if self.stream and (level >= self.report_level
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193 or self.debug_flag and level == self.DEBUG_LEVEL
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194 or level >= self.halt_level):
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195 self.stream.write(msg.astext() + '\n')
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196 if level >= self.halt_level:
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197 raise SystemMessage(msg, level)
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198 if level > self.DEBUG_LEVEL or self.debug_flag:
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199 self.notify_observers(msg)
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200 self.max_level = max(level, self.max_level)
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201 return msg
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202
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203 def debug(self, *args, **kwargs):
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204 """
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205 Level-0, "DEBUG": an internal reporting issue. Typically, there is no
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206 effect on the processing. Level-0 system messages are handled
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207 separately from the others.
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208 """
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209 if self.debug_flag:
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210 return self.system_message(self.DEBUG_LEVEL, *args, **kwargs)
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211
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212 def info(self, *args, **kwargs):
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213 """
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214 Level-1, "INFO": a minor issue that can be ignored. Typically there is
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215 no effect on processing, and level-1 system messages are not reported.
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216 """
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217 return self.system_message(self.INFO_LEVEL, *args, **kwargs)
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218
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219 def warning(self, *args, **kwargs):
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220 """
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221 Level-2, "WARNING": an issue that should be addressed. If ignored,
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222 there may be unpredictable problems with the output.
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223 """
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224 return self.system_message(self.WARNING_LEVEL, *args, **kwargs)
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225
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226 def error(self, *args, **kwargs):
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227 """
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228 Level-3, "ERROR": an error that should be addressed. If ignored, the
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229 output will contain errors.
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230 """
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231 return self.system_message(self.ERROR_LEVEL, *args, **kwargs)
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232
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233 def severe(self, *args, **kwargs):
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234 """
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235 Level-4, "SEVERE": a severe error that must be addressed. If ignored,
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236 the output will contain severe errors. Typically level-4 system
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237 messages are turned into exceptions which halt processing.
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238 """
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239 return self.system_message(self.SEVERE_LEVEL, *args, **kwargs)
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240
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241
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242 class ExtensionOptionError(DataError): pass
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243 class BadOptionError(ExtensionOptionError): pass
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244 class BadOptionDataError(ExtensionOptionError): pass
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245 class DuplicateOptionError(ExtensionOptionError): pass
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246
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247
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248 def extract_extension_options(field_list, options_spec):
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249 """
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250 Return a dictionary mapping extension option names to converted values.
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251
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252 :Parameters:
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253 - `field_list`: A flat field list without field arguments, where each
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254 field body consists of a single paragraph only.
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255 - `options_spec`: Dictionary mapping known option names to a
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256 conversion function such as `int` or `float`.
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257
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258 :Exceptions:
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259 - `KeyError` for unknown option names.
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260 - `ValueError` for invalid option values (raised by the conversion
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261 function).
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262 - `TypeError` for invalid option value types (raised by conversion
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263 function).
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264 - `DuplicateOptionError` for duplicate options.
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265 - `BadOptionError` for invalid fields.
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266 - `BadOptionDataError` for invalid option data (missing name,
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267 missing data, bad quotes, etc.).
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268 """
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269 option_list = extract_options(field_list)
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270 option_dict = assemble_option_dict(option_list, options_spec)
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271 return option_dict
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272
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273 def extract_options(field_list):
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274 """
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275 Return a list of option (name, value) pairs from field names & bodies.
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276
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277 :Parameter:
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278 `field_list`: A flat field list, where each field name is a single
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279 word and each field body consists of a single paragraph only.
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280
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281 :Exceptions:
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282 - `BadOptionError` for invalid fields.
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283 - `BadOptionDataError` for invalid option data (missing name,
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284 missing data, bad quotes, etc.).
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285 """
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286 option_list = []
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287 for field in field_list:
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288 if len(field[0].astext().split()) != 1:
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289 raise BadOptionError(
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290 'extension option field name may not contain multiple words')
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291 name = str(field[0].astext().lower())
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292 body = field[1]
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293 if len(body) == 0:
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294 data = None
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295 elif len(body) > 1 or not isinstance(body[0], nodes.paragraph) \
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296 or len(body[0]) != 1 or not isinstance(body[0][0], nodes.Text):
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297 raise BadOptionDataError(
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298 'extension option field body may contain\n'
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299 'a single paragraph only (option "%s")' % name)
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300 else:
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301 data = body[0][0].astext()
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302 option_list.append((name, data))
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303 return option_list
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304
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305 def assemble_option_dict(option_list, options_spec):
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306 """
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307 Return a mapping of option names to values.
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308
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309 :Parameters:
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310 - `option_list`: A list of (name, value) pairs (the output of
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311 `extract_options()`).
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312 - `options_spec`: Dictionary mapping known option names to a
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313 conversion function such as `int` or `float`.
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314
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315 :Exceptions:
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316 - `KeyError` for unknown option names.
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317 - `DuplicateOptionError` for duplicate options.
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318 - `ValueError` for invalid option values (raised by conversion
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319 function).
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320 - `TypeError` for invalid option value types (raised by conversion
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321 function).
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322 """
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323 options = {}
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324 for name, value in option_list:
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325 convertor = options_spec[name] # raises KeyError if unknown
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326 if convertor is None:
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327 raise KeyError(name) # or if explicitly disabled
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328 if name in options:
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329 raise DuplicateOptionError('duplicate option "%s"' % name)
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330 try:
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331 options[name] = convertor(value)
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332 except (ValueError, TypeError) as detail:
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333 raise detail.__class__('(option: "%s"; value: %r)\n%s'
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334 % (name, value, ' '.join(detail.args)))
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335 return options
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336
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337
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338 class NameValueError(DataError): pass
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339
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340
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341 def decode_path(path):
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342 """
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343 Ensure `path` is Unicode. Return `nodes.reprunicode` object.
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344
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345 Decode file/path string in a failsave manner if not already done.
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346 """
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347 # see also http://article.gmane.org/gmane.text.docutils.user/2905
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348 if isinstance(path, unicode):
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349 return path
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350 try:
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351 path = path.decode(sys.getfilesystemencoding(), 'strict')
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352 except AttributeError: # default value None has no decode method
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353 return nodes.reprunicode(path)
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354 except UnicodeDecodeError:
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355 try:
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356 path = path.decode('utf-8', 'strict')
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357 except UnicodeDecodeError:
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358 path = path.decode('ascii', 'replace')
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359 return nodes.reprunicode(path)
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360
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361
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362 def extract_name_value(line):
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363 """
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364 Return a list of (name, value) from a line of the form "name=value ...".
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365
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366 :Exception:
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367 `NameValueError` for invalid input (missing name, missing data, bad
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368 quotes, etc.).
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369 """
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370 attlist = []
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371 while line:
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372 equals = line.find('=')
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373 if equals == -1:
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374 raise NameValueError('missing "="')
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375 attname = line[:equals].strip()
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376 if equals == 0 or not attname:
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377 raise NameValueError(
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378 'missing attribute name before "="')
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379 line = line[equals+1:].lstrip()
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380 if not line:
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381 raise NameValueError(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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382 'missing value after "%s="' % attname)
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383 if line[0] in '\'"':
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384 endquote = line.find(line[0], 1)
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385 if endquote == -1:
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386 raise NameValueError(
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387 'attribute "%s" missing end quote (%s)'
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388 % (attname, line[0]))
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389 if len(line) > endquote + 1 and line[endquote + 1].strip():
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390 raise NameValueError(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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391 'attribute "%s" end quote (%s) not followed by '
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392 'whitespace' % (attname, line[0]))
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393 data = line[1:endquote]
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394 line = line[endquote+1:].lstrip()
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395 else:
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396 space = line.find(' ')
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397 if space == -1:
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398 data = line
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399 line = ''
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400 else:
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401 data = line[:space]
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402 line = line[space+1:].lstrip()
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403 attlist.append((attname.lower(), data))
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404 return attlist
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405
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406 def new_reporter(source_path, settings):
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407 """
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408 Return a new Reporter object.
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409
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410 :Parameters:
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411 `source` : string
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412 The path to or description of the source text of the document.
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413 `settings` : optparse.Values object
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414 Runtime settings.
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415 """
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416 reporter = Reporter(
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417 source_path, settings.report_level, settings.halt_level,
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418 stream=settings.warning_stream, debug=settings.debug,
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419 encoding=settings.error_encoding,
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420 error_handler=settings.error_encoding_error_handler)
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421 return reporter
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422
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423 def new_document(source_path, settings=None):
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424 """
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425 Return a new empty document object.
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426
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427 :Parameters:
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428 `source_path` : string
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429 The path to or description of the source text of the document.
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430 `settings` : optparse.Values object
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431 Runtime settings. If none are provided, a default core set will
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432 be used. If you will use the document object with any Docutils
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433 components, you must provide their default settings as well. For
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434 example, if parsing, at least provide the parser settings,
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435 obtainable as follows::
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436
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437 settings = docutils.frontend.OptionParser(
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438 components=(docutils.parsers.rst.Parser,)
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439 ).get_default_values()
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440 """
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441 from docutils import frontend
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442 if settings is None:
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443 settings = frontend.OptionParser().get_default_values()
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444 source_path = decode_path(source_path)
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445 reporter = new_reporter(source_path, settings)
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446 document = nodes.document(settings, reporter, source=source_path)
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447 document.note_source(source_path, -1)
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448 return document
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449
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450 def clean_rcs_keywords(paragraph, keyword_substitutions):
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451 if len(paragraph) == 1 and isinstance(paragraph[0], nodes.Text):
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452 textnode = paragraph[0]
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453 for pattern, substitution in keyword_substitutions:
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454 match = pattern.search(textnode)
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455 if match:
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456 paragraph[0] = nodes.Text(pattern.sub(substitution, textnode))
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457 return
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458
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459 def relative_path(source, target):
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460 """
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461 Build and return a path to `target`, relative to `source` (both files).
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462
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463 If there is no common prefix, return the absolute path to `target`.
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464 """
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465 source_parts = os.path.abspath(source or type(target)('dummy_file')
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466 ).split(os.sep)
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467 target_parts = os.path.abspath(target).split(os.sep)
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468 # Check first 2 parts because '/dir'.split('/') == ['', 'dir']:
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469 if source_parts[:2] != target_parts[:2]:
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470 # Nothing in common between paths.
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471 # Return absolute path, using '/' for URLs:
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472 return '/'.join(target_parts)
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473 source_parts.reverse()
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474 target_parts.reverse()
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475 while (source_parts and target_parts
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476 and source_parts[-1] == target_parts[-1]):
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477 # Remove path components in common:
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478 source_parts.pop()
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479 target_parts.pop()
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480 target_parts.reverse()
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481 parts = ['..'] * (len(source_parts) - 1) + target_parts
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482 return '/'.join(parts)
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483
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484 def get_stylesheet_reference(settings, relative_to=None):
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485 """
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486 Retrieve a stylesheet reference from the settings object.
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487
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488 Deprecated. Use get_stylesheet_list() instead to
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489 enable specification of multiple stylesheets as a comma-separated
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490 list.
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491 """
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492 if settings.stylesheet_path:
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493 assert not settings.stylesheet, (
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494 'stylesheet and stylesheet_path are mutually exclusive.')
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495 if relative_to == None:
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496 relative_to = settings._destination
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497 return relative_path(relative_to, settings.stylesheet_path)
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498 else:
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499 return settings.stylesheet
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500
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501 # Return 'stylesheet' or 'stylesheet_path' arguments as list.
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502 #
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503 # The original settings arguments are kept unchanged: you can test
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504 # with e.g. ``if settings.stylesheet_path:``
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505 #
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506 # Differences to ``get_stylesheet_reference``:
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507 # * return value is a list
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508 # * no re-writing of the path (and therefore no optional argument)
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509 # (if required, use ``utils.relative_path(source, target)``
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510 # in the calling script)
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511 def get_stylesheet_list(settings):
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512 """
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513 Retrieve list of stylesheet references from the settings object.
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514 """
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515 assert not (settings.stylesheet and settings.stylesheet_path), (
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516 'stylesheet and stylesheet_path are mutually exclusive.')
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517 stylesheets = settings.stylesheet_path or settings.stylesheet or []
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518 # programmatically set default can be string or unicode:
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519 if not isinstance(stylesheets, list):
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520 stylesheets = [path.strip() for path in stylesheets.split(',')]
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521 # expand relative paths if found in stylesheet-dirs:
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522 return [find_file_in_dirs(path, settings.stylesheet_dirs)
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523 for path in stylesheets]
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524
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525 def find_file_in_dirs(path, dirs):
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526 """
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diff changeset
527 Search for `path` in the list of directories `dirs`.
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528
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diff changeset
529 Return the first expansion that matches an existing file.
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530 """
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531 if os.path.isabs(path):
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diff changeset
532 return path
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533 for d in dirs:
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534 if d == '.':
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535 f = path
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536 else:
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537 d = os.path.expanduser(d)
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538 f = os.path.join(d, path)
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539 if os.path.exists(f):
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540 return f
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541 return path
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542
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543 def get_trim_footnote_ref_space(settings):
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544 """
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545 Return whether or not to trim footnote space.
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546
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547 If trim_footnote_reference_space is not None, return it.
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548
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549 If trim_footnote_reference_space is None, return False unless the
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550 footnote reference style is 'superscript'.
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551 """
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552 if settings.trim_footnote_reference_space is None:
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553 return hasattr(settings, 'footnote_references') and \
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554 settings.footnote_references == 'superscript'
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555 else:
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556 return settings.trim_footnote_reference_space
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557
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558 def get_source_line(node):
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559 """
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560 Return the "source" and "line" attributes from the `node` given or from
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561 its closest ancestor.
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562 """
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563 while node:
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564 if node.source or node.line:
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565 return node.source, node.line
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566 node = node.parent
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567 return None, None
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568
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569 def escape2null(text):
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570 """Return a string with escape-backslashes converted to nulls."""
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571 parts = []
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572 start = 0
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573 while True:
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574 found = text.find('\\', start)
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575 if found == -1:
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576 parts.append(text[start:])
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577 return ''.join(parts)
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578 parts.append(text[start:found])
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579 parts.append('\x00' + text[found+1:found+2])
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580 start = found + 2 # skip character after escape
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581
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582 # `unescape` definition moved to `nodes` to avoid circular import dependency.
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583
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584 def split_escaped_whitespace(text):
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585 """
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586 Split `text` on escaped whitespace (null+space or null+newline).
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587 Return a list of strings.
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588 """
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589 strings = text.split('\x00 ')
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590 strings = [string.split('\x00\n') for string in strings]
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591 # flatten list of lists of strings to list of strings:
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592 return list(itertools.chain(*strings))
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593
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594 def strip_combining_chars(text):
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595 if isinstance(text, str) and sys.version_info < (3, 0):
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596 return text
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597 return u''.join([c for c in text if not unicodedata.combining(c)])
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598
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599 def find_combining_chars(text):
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600 """Return indices of all combining chars in Unicode string `text`.
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601
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602 >>> from docutils.utils import find_combining_chars
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603 >>> find_combining_chars(u'A t̆ab̆lĕ')
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604 [3, 6, 9]
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605
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606 """
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607 if isinstance(text, str) and sys.version_info < (3, 0):
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608 return []
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609 return [i for i,c in enumerate(text) if unicodedata.combining(c)]
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610
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611 def column_indices(text):
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diff changeset
612 """Indices of Unicode string `text` when skipping combining characters.
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613
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614 >>> from docutils.utils import column_indices
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615 >>> column_indices(u'A t̆ab̆lĕ')
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616 [0, 1, 2, 4, 5, 7, 8]
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617
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618 """
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619 # TODO: account for asian wide chars here instead of using dummy
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620 # replacements in the tableparser?
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621 string_indices = list(range(len(text)))
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622 for index in find_combining_chars(text):
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623 string_indices[index] = None
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624 return [i for i in string_indices if i is not None]
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625
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626 east_asian_widths = {'W': 2, # Wide
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627 'F': 2, # Full-width (wide)
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628 'Na': 1, # Narrow
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629 'H': 1, # Half-width (narrow)
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630 'N': 1, # Neutral (not East Asian, treated as narrow)
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631 'A': 1} # Ambiguous (s/b wide in East Asian context,
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632 # narrow otherwise, but that doesn't work)
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633 """Mapping of result codes from `unicodedata.east_asian_widt()` to character
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634 column widths."""
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635
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636 def column_width(text):
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637 """Return the column width of text.
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638
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639 Correct ``len(text)`` for wide East Asian and combining Unicode chars.
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640 """
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641 if isinstance(text, str) and sys.version_info < (3, 0):
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642 return len(text)
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643 width = sum([east_asian_widths[unicodedata.east_asian_width(c)]
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644 for c in text])
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645 # correction for combining chars:
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646 width -= len(find_combining_chars(text))
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647 return width
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648
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649 def uniq(L):
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650 r = []
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651 for item in L:
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652 if not item in r:
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653 r.append(item)
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654 return r
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655
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656 def unique_combinations(items, n):
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657 """Return `itertools.combinations`."""
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658 warnings.warn('docutils.utils.unique_combinations is deprecated; '
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diff changeset
659 'use itertools.combinations directly.',
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660 DeprecationWarning, stacklevel=2)
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661 return itertools.combinations(items, n)
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662
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663 def normalize_language_tag(tag):
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diff changeset
664 """Return a list of normalized combinations for a `BCP 47` language tag.
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665
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666 Example:
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667
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668 >>> from docutils.utils import normalize_language_tag
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diff changeset
669 >>> normalize_language_tag('de_AT-1901')
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diff changeset
670 ['de-at-1901', 'de-at', 'de-1901', 'de']
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diff changeset
671 >>> normalize_language_tag('de-CH-x_altquot')
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diff changeset
672 ['de-ch-x-altquot', 'de-ch', 'de-x-altquot', 'de']
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diff changeset
673
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674 """
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diff changeset
675 # normalize:
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676 tag = tag.lower().replace('-', '_')
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677 # split (except singletons, which mark the following tag as non-standard):
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678 tag = re.sub(r'_([a-zA-Z0-9])_', r'_\1-', tag)
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679 subtags = [subtag for subtag in tag.split('_')]
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680 base_tag = (subtags.pop(0),)
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diff changeset
681 # find all combinations of subtags
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682 taglist = []
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683 for n in range(len(subtags), 0, -1):
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parents:
diff changeset
684 # for tags in unique_combinations(subtags, n):
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parents:
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685 for tags in itertools.combinations(subtags, n):
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parents:
diff changeset
686 taglist.append('-'.join(base_tag+tags))
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diff changeset
687 taglist += base_tag
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688 return taglist
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689
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690
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691 class DependencyList(object):
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692
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693 """
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694 List of dependencies, with file recording support.
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diff changeset
695
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696 Note that the output file is not automatically closed. You have
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diff changeset
697 to explicitly call the close() method.
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698 """
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699
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700 def __init__(self, output_file=None, dependencies=[]):
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701 """
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diff changeset
702 Initialize the dependency list, automatically setting the
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703 output file to `output_file` (see `set_output()`) and adding
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diff changeset
704 all supplied dependencies.
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705 """
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diff changeset
706 self.set_output(output_file)
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diff changeset
707 for i in dependencies:
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diff changeset
708 self.add(i)
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diff changeset
709
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710 def set_output(self, output_file):
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711 """
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712 Set the output file and clear the list of already added
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diff changeset
713 dependencies.
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diff changeset
714
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diff changeset
715 `output_file` must be a string. The specified file is
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diff changeset
716 immediately overwritten.
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diff changeset
717
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718 If output_file is '-', the output will be written to stdout.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
719 If it is None, no file output is done when calling add().
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diff changeset
720 """
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721 self.list = []
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diff changeset
722 if output_file:
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723 if output_file == '-':
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724 of = None
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725 else:
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diff changeset
726 of = output_file
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727 self.file = docutils.io.FileOutput(destination_path=of,
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diff changeset
728 encoding='utf8', autoclose=False)
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729 else:
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parents:
diff changeset
730 self.file = None
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diff changeset
731
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732 def add(self, *filenames):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
733 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
734 If the dependency `filename` has not already been added,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
735 append it to self.list and print it to self.file if self.file
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
736 is not None.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
737 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
738 for filename in filenames:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
739 if not filename in self.list:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
740 self.list.append(filename)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
741 if self.file is not None:
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parents:
diff changeset
742 self.file.write(filename+'\n')
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parents:
diff changeset
743
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diff changeset
744 def close(self):
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diff changeset
745 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
746 Close the output file.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
747 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
748 self.file.close()
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diff changeset
749 self.file = None
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diff changeset
750
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
751 def __repr__(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
752 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
753 output_file = self.file.name
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
754 except AttributeError:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
755 output_file = None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
756 return '%s(%r, %s)' % (self.__class__.__name__, output_file, self.list)
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parents:
diff changeset
757
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
758
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diff changeset
759 release_level_abbreviations = {
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
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760 'alpha': 'a',
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
761 'beta': 'b',
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parents:
diff changeset
762 'candidate': 'rc',
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parents:
diff changeset
763 'final': '',}
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diff changeset
764
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diff changeset
765 def version_identifier(version_info=None):
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diff changeset
766 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
767 Return a version identifier string built from `version_info`, a
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guerler
parents:
diff changeset
768 `docutils.VersionInfo` namedtuple instance or compatible tuple. If
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
769 `version_info` is not provided, by default return a version identifier
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
770 string based on `docutils.__version_info__` (i.e. the current Docutils
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guerler
parents:
diff changeset
771 version).
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
772 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
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773 if version_info is None:
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parents:
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774 version_info = __version_info__
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parents:
diff changeset
775 if version_info.micro:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
776 micro = '.%s' % version_info.micro
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diff changeset
777 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
778 # 0 is omitted:
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parents:
diff changeset
779 micro = ''
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
780 releaselevel = release_level_abbreviations[version_info.releaselevel]
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parents:
diff changeset
781 if version_info.serial:
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parents:
diff changeset
782 serial = version_info.serial
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diff changeset
783 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
784 # 0 is omitted:
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diff changeset
785 serial = ''
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parents:
diff changeset
786 if version_info.release:
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parents:
diff changeset
787 dev = ''
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diff changeset
788 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
789 dev = '.dev'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
790 version = '%s.%s%s%s%s%s' % (
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
791 version_info.major,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
792 version_info.minor,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
793 micro,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
794 releaselevel,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
795 serial,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
796 dev)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
797 return version