Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/docutils/frontend.py @ 4:79f47841a781 draft

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"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:47:39 -0400
parents 26e78fe6e8c4
children
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1 # $Id: frontend.py 8439 2019-12-13 17:02:41Z milde $
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2 # Author: David Goodger <goodger@python.org>
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3 # Copyright: This module has been placed in the public domain.
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4
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5 """
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6 Command-line and common processing for Docutils front-end tools.
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7
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8 Exports the following classes:
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9
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10 * `OptionParser`: Standard Docutils command-line processing.
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11 * `Option`: Customized version of `optparse.Option`; validation support.
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12 * `Values`: Runtime settings; objects are simple structs
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13 (``object.attribute``). Supports cumulative list settings (attributes).
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14 * `ConfigParser`: Standard Docutils config file processing.
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15
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16 Also exports the following functions:
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17
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18 * Option callbacks: `store_multiple`, `read_config_file`.
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19 * Setting validators: `validate_encoding`,
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20 `validate_encoding_error_handler`,
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21 `validate_encoding_and_error_handler`,
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22 `validate_boolean`, `validate_ternary`, `validate_threshold`,
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23 `validate_colon_separated_string_list`,
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24 `validate_comma_separated_string_list`,
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25 `validate_dependency_file`.
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26 * `make_paths_absolute`.
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27 * SettingSpec manipulation: `filter_settings_spec`.
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28 """
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29
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30 __docformat__ = 'reStructuredText'
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31
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32 import os
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33 import os.path
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34 import sys
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35 import warnings
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36 import codecs
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37 import optparse
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38 from optparse import SUPPRESS_HELP
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39 if sys.version_info >= (3, 0):
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40 from configparser import RawConfigParser
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41 from os import getcwd
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42 else:
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43 from ConfigParser import RawConfigParser
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44 from os import getcwdu as getcwd
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45
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46 import docutils
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47 import docutils.utils
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48 import docutils.nodes
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49 from docutils.utils.error_reporting import (locale_encoding, SafeString,
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50 ErrorOutput, ErrorString)
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51
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52 if sys.version_info >= (3, 0):
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53 unicode = str # noqa
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54
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55
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56 def store_multiple(option, opt, value, parser, *args, **kwargs):
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57 """
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58 Store multiple values in `parser.values`. (Option callback.)
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59
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60 Store `None` for each attribute named in `args`, and store the value for
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61 each key (attribute name) in `kwargs`.
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62 """
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63 for attribute in args:
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64 setattr(parser.values, attribute, None)
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65 for key, value in kwargs.items():
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66 setattr(parser.values, key, value)
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67
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68 def read_config_file(option, opt, value, parser):
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69 """
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70 Read a configuration file during option processing. (Option callback.)
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71 """
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72 try:
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73 new_settings = parser.get_config_file_settings(value)
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74 except ValueError as error:
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75 parser.error(error)
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76 parser.values.update(new_settings, parser)
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77
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78 def validate_encoding(setting, value, option_parser,
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79 config_parser=None, config_section=None):
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80 try:
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81 codecs.lookup(value)
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82 except LookupError:
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83 raise LookupError('setting "%s": unknown encoding: "%s"'
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84 % (setting, value))
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85 return value
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86
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87 def validate_encoding_error_handler(setting, value, option_parser,
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88 config_parser=None, config_section=None):
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89 try:
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90 codecs.lookup_error(value)
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91 except LookupError:
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92 raise LookupError(
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93 'unknown encoding error handler: "%s" (choices: '
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94 '"strict", "ignore", "replace", "backslashreplace", '
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95 '"xmlcharrefreplace", and possibly others; see documentation for '
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96 'the Python ``codecs`` module)' % value)
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97 return value
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98
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99 def validate_encoding_and_error_handler(
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100 setting, value, option_parser, config_parser=None, config_section=None):
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101 """
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102 Side-effect: if an error handler is included in the value, it is inserted
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103 into the appropriate place as if it was a separate setting/option.
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104 """
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105 if ':' in value:
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106 encoding, handler = value.split(':')
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107 validate_encoding_error_handler(
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108 setting + '_error_handler', handler, option_parser,
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109 config_parser, config_section)
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110 if config_parser:
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111 config_parser.set(config_section, setting + '_error_handler',
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112 handler)
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113 else:
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114 setattr(option_parser.values, setting + '_error_handler', handler)
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115 else:
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116 encoding = value
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117 validate_encoding(setting, encoding, option_parser,
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118 config_parser, config_section)
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119 return encoding
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120
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121 def validate_boolean(setting, value, option_parser,
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122 config_parser=None, config_section=None):
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123 """Check/normalize boolean settings:
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124 True: '1', 'on', 'yes', 'true'
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125 False: '0', 'off', 'no','false', ''
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126 """
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127 if isinstance(value, bool):
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128 return value
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129 try:
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130 return option_parser.booleans[value.strip().lower()]
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131 except KeyError:
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132 raise LookupError('unknown boolean value: "%s"' % value)
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133
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134 def validate_ternary(setting, value, option_parser,
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135 config_parser=None, config_section=None):
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136 """Check/normalize three-value settings:
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137 True: '1', 'on', 'yes', 'true'
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138 False: '0', 'off', 'no','false', ''
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139 any other value: returned as-is.
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140 """
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141 if isinstance(value, bool) or value is None:
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142 return value
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143 try:
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144 return option_parser.booleans[value.strip().lower()]
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145 except KeyError:
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146 return value
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147
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148 def validate_nonnegative_int(setting, value, option_parser,
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149 config_parser=None, config_section=None):
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150 value = int(value)
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151 if value < 0:
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152 raise ValueError('negative value; must be positive or zero')
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153 return value
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154
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155 def validate_threshold(setting, value, option_parser,
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156 config_parser=None, config_section=None):
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157 try:
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158 return int(value)
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159 except ValueError:
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160 try:
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161 return option_parser.thresholds[value.lower()]
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162 except (KeyError, AttributeError):
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163 raise LookupError('unknown threshold: %r.' % value)
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164
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165 def validate_colon_separated_string_list(
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166 setting, value, option_parser, config_parser=None, config_section=None):
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167 if not isinstance(value, list):
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168 value = value.split(':')
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169 else:
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170 last = value.pop()
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171 value.extend(last.split(':'))
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172 return value
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173
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174 def validate_comma_separated_list(setting, value, option_parser,
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175 config_parser=None, config_section=None):
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176 """Check/normalize list arguments (split at "," and strip whitespace).
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177 """
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178 # `value` is already a ``list`` when given as command line option
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179 # and "action" is "append" and ``unicode`` or ``str`` else.
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180 if not isinstance(value, list):
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181 value = [value]
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182 # this function is called for every option added to `value`
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183 # -> split the last item and append the result:
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184 last = value.pop()
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185 items = [i.strip(u' \t\n') for i in last.split(u',') if i.strip(u' \t\n')]
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186 value.extend(items)
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187 return value
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188
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189 def validate_url_trailing_slash(
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190 setting, value, option_parser, config_parser=None, config_section=None):
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191 if not value:
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192 return './'
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193 elif value.endswith('/'):
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194 return value
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195 else:
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196 return value + '/'
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197
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198 def validate_dependency_file(setting, value, option_parser,
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199 config_parser=None, config_section=None):
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200 try:
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201 return docutils.utils.DependencyList(value)
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202 except IOError:
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203 return docutils.utils.DependencyList(None)
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204
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205 def validate_strip_class(setting, value, option_parser,
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206 config_parser=None, config_section=None):
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207 # value is a comma separated string list:
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208 value = validate_comma_separated_list(setting, value, option_parser,
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209 config_parser, config_section)
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210 # validate list elements:
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211 for cls in value:
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212 normalized = docutils.nodes.make_id(cls)
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213 if cls != normalized:
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214 raise ValueError('Invalid class value %r (perhaps %r?)'
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215 % (cls, normalized))
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216 return value
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217
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218 def validate_smartquotes_locales(setting, value, option_parser,
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219 config_parser=None, config_section=None):
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220 """Check/normalize a comma separated list of smart quote definitions.
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221
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222 Return a list of (language-tag, quotes) string tuples."""
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223
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224 # value is a comma separated string list:
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225 value = validate_comma_separated_list(setting, value, option_parser,
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226 config_parser, config_section)
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227 # validate list elements
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228 lc_quotes = []
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229 for item in value:
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diff changeset
230 try:
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231 lang, quotes = item.split(':', 1)
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diff changeset
232 except AttributeError:
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233 # this function is called for every option added to `value`
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diff changeset
234 # -> ignore if already a tuple:
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diff changeset
235 lc_quotes.append(item)
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diff changeset
236 continue
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diff changeset
237 except ValueError:
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diff changeset
238 raise ValueError(u'Invalid value "%s".'
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239 ' Format is "<language>:<quotes>".'
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diff changeset
240 % item.encode('ascii', 'backslashreplace'))
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diff changeset
241 # parse colon separated string list:
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242 quotes = quotes.strip()
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243 multichar_quotes = quotes.split(':')
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244 if len(multichar_quotes) == 4:
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diff changeset
245 quotes = multichar_quotes
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diff changeset
246 elif len(quotes) != 4:
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diff changeset
247 raise ValueError('Invalid value "%s". Please specify 4 quotes\n'
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diff changeset
248 ' (primary open/close; secondary open/close).'
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249 % item.encode('ascii', 'backslashreplace'))
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diff changeset
250 lc_quotes.append((lang, quotes))
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diff changeset
251 return lc_quotes
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diff changeset
252
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253 def make_paths_absolute(pathdict, keys, base_path=None):
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254 """
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diff changeset
255 Interpret filesystem path settings relative to the `base_path` given.
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256
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257 Paths are values in `pathdict` whose keys are in `keys`. Get `keys` from
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258 `OptionParser.relative_path_settings`.
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259 """
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260 if base_path is None:
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261 base_path = getcwd() # type(base_path) == unicode
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262 # to allow combining non-ASCII cwd with unicode values in `pathdict`
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263 for key in keys:
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264 if key in pathdict:
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265 value = pathdict[key]
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266 if isinstance(value, list):
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267 value = [make_one_path_absolute(base_path, path)
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268 for path in value]
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269 elif value:
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270 value = make_one_path_absolute(base_path, value)
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271 pathdict[key] = value
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272
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273 def make_one_path_absolute(base_path, path):
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274 return os.path.abspath(os.path.join(base_path, path))
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275
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276 def filter_settings_spec(settings_spec, *exclude, **replace):
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277 """Return a copy of `settings_spec` excluding/replacing some settings.
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278
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279 `settings_spec` is a tuple of configuration settings with a structure
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280 described for docutils.SettingsSpec.settings_spec.
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281
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282 Optional positional arguments are names of to-be-excluded settings.
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283 Keyword arguments are option specification replacements.
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284 (See the html4strict writer for an example.)
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285 """
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286 settings = list(settings_spec)
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287 # every third item is a sequence of option tuples
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288 for i in range(2, len(settings), 3):
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289 newopts = []
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290 for opt_spec in settings[i]:
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291 # opt_spec is ("<help>", [<option strings>], {<keyword args>})
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292 opt_name = [opt_string[2:].replace('-', '_')
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293 for opt_string in opt_spec[1]
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294 if opt_string.startswith('--')
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295 ][0]
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296 if opt_name in exclude:
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297 continue
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298 if opt_name in replace.keys():
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299 newopts.append(replace[opt_name])
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300 else:
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301 newopts.append(opt_spec)
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302 settings[i] = tuple(newopts)
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303 return tuple(settings)
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304
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305
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306 class Values(optparse.Values):
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307
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308 """
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309 Updates list attributes by extension rather than by replacement.
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310 Works in conjunction with the `OptionParser.lists` instance attribute.
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311 """
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312
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313 def __init__(self, *args, **kwargs):
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314 optparse.Values.__init__(self, *args, **kwargs)
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315 if (not hasattr(self, 'record_dependencies')
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316 or self.record_dependencies is None):
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317 # Set up dependency list, in case it is needed.
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318 self.record_dependencies = docutils.utils.DependencyList()
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319
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320 def update(self, other_dict, option_parser):
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321 if isinstance(other_dict, Values):
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322 other_dict = other_dict.__dict__
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323 other_dict = other_dict.copy()
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324 for setting in option_parser.lists.keys():
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325 if (hasattr(self, setting) and setting in other_dict):
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326 value = getattr(self, setting)
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327 if value:
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328 value += other_dict[setting]
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329 del other_dict[setting]
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330 self._update_loose(other_dict)
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331
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332 def copy(self):
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333 """Return a shallow copy of `self`."""
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334 return self.__class__(defaults=self.__dict__)
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335
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336
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337 class Option(optparse.Option):
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338
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339 ATTRS = optparse.Option.ATTRS + ['validator', 'overrides']
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340
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341 def process(self, opt, value, values, parser):
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342 """
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343 Call the validator function on applicable settings and
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344 evaluate the 'overrides' option.
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345 Extends `optparse.Option.process`.
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346 """
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347 result = optparse.Option.process(self, opt, value, values, parser)
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348 setting = self.dest
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349 if setting:
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350 if self.validator:
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351 value = getattr(values, setting)
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352 try:
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353 new_value = self.validator(setting, value, parser)
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354 except Exception as error:
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355 raise optparse.OptionValueError(
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356 'Error in option "%s":\n %s'
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357 % (opt, ErrorString(error)))
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358 setattr(values, setting, new_value)
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359 if self.overrides:
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360 setattr(values, self.overrides, None)
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361 return result
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362
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363
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364 class OptionParser(optparse.OptionParser, docutils.SettingsSpec):
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365
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366 """
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367 Parser for command-line and library use. The `settings_spec`
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368 specification here and in other Docutils components are merged to build
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369 the set of command-line options and runtime settings for this process.
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370
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371 Common settings (defined below) and component-specific settings must not
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372 conflict. Short options are reserved for common settings, and components
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373 are restrict to using long options.
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374 """
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375
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376 standard_config_files = [
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377 '/etc/docutils.conf', # system-wide
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378 './docutils.conf', # project-specific
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379 '~/.docutils'] # user-specific
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380 """Docutils configuration files, using ConfigParser syntax. Filenames
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381 will be tilde-expanded later. Later files override earlier ones."""
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382
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383 threshold_choices = 'info 1 warning 2 error 3 severe 4 none 5'.split()
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384 """Possible inputs for for --report and --halt threshold values."""
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385
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386 thresholds = {'info': 1, 'warning': 2, 'error': 3, 'severe': 4, 'none': 5}
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387 """Lookup table for --report and --halt threshold values."""
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388
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389 booleans={'1': True, 'on': True, 'yes': True, 'true': True,
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390 '0': False, 'off': False, 'no': False, 'false': False, '': False}
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391 """Lookup table for boolean configuration file settings."""
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392
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393 default_error_encoding = getattr(sys.stderr, 'encoding',
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394 None) or locale_encoding or 'ascii'
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395
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396 default_error_encoding_error_handler = 'backslashreplace'
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397
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398 settings_spec = (
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399 'General Docutils Options',
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400 None,
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diff changeset
401 (('Specify the document title as metadata.',
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402 ['--title'], {}),
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parents:
diff changeset
403 ('Include a "Generated by Docutils" credit and link.',
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404 ['--generator', '-g'], {'action': 'store_true',
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parents:
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405 'validator': validate_boolean}),
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parents:
diff changeset
406 ('Do not include a generator credit.',
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parents:
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407 ['--no-generator'], {'action': 'store_false', 'dest': 'generator'}),
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408 ('Include the date at the end of the document (UTC).',
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409 ['--date', '-d'], {'action': 'store_const', 'const': '%Y-%m-%d',
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410 'dest': 'datestamp'}),
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parents:
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411 ('Include the time & date (UTC).',
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412 ['--time', '-t'], {'action': 'store_const',
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413 'const': '%Y-%m-%d %H:%M UTC',
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414 'dest': 'datestamp'}),
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diff changeset
415 ('Do not include a datestamp of any kind.',
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416 ['--no-datestamp'], {'action': 'store_const', 'const': None,
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417 'dest': 'datestamp'}),
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418 ('Include a "View document source" link.',
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419 ['--source-link', '-s'], {'action': 'store_true',
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420 'validator': validate_boolean}),
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421 ('Use <URL> for a source link; implies --source-link.',
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422 ['--source-url'], {'metavar': '<URL>'}),
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423 ('Do not include a "View document source" link.',
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424 ['--no-source-link'],
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425 {'action': 'callback', 'callback': store_multiple,
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426 'callback_args': ('source_link', 'source_url')}),
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427 ('Link from section headers to TOC entries. (default)',
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428 ['--toc-entry-backlinks'],
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429 {'dest': 'toc_backlinks', 'action': 'store_const', 'const': 'entry',
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430 'default': 'entry'}),
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431 ('Link from section headers to the top of the TOC.',
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432 ['--toc-top-backlinks'],
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433 {'dest': 'toc_backlinks', 'action': 'store_const', 'const': 'top'}),
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434 ('Disable backlinks to the table of contents.',
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435 ['--no-toc-backlinks'],
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parents:
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436 {'dest': 'toc_backlinks', 'action': 'store_false'}),
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parents:
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437 ('Link from footnotes/citations to references. (default)',
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parents:
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438 ['--footnote-backlinks'],
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parents:
diff changeset
439 {'action': 'store_true', 'default': 1,
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parents:
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440 'validator': validate_boolean}),
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parents:
diff changeset
441 ('Disable backlinks from footnotes and citations.',
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442 ['--no-footnote-backlinks'],
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parents:
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443 {'dest': 'footnote_backlinks', 'action': 'store_false'}),
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parents:
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444 ('Enable section numbering by Docutils. (default)',
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parents:
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445 ['--section-numbering'],
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parents:
diff changeset
446 {'action': 'store_true', 'dest': 'sectnum_xform',
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parents:
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447 'default': 1, 'validator': validate_boolean}),
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parents:
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448 ('Disable section numbering by Docutils.',
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parents:
diff changeset
449 ['--no-section-numbering'],
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parents:
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450 {'action': 'store_false', 'dest': 'sectnum_xform'}),
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parents:
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451 ('Remove comment elements from the document tree.',
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parents:
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452 ['--strip-comments'],
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parents:
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453 {'action': 'store_true', 'validator': validate_boolean}),
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parents:
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454 ('Leave comment elements in the document tree. (default)',
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parents:
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455 ['--leave-comments'],
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parents:
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456 {'action': 'store_false', 'dest': 'strip_comments'}),
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parents:
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457 ('Remove all elements with classes="<class>" from the document tree. '
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458 'Warning: potentially dangerous; use with caution. '
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parents:
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459 '(Multiple-use option.)',
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parents:
diff changeset
460 ['--strip-elements-with-class'],
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parents:
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461 {'action': 'append', 'dest': 'strip_elements_with_classes',
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parents:
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462 'metavar': '<class>', 'validator': validate_strip_class}),
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parents:
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463 ('Remove all classes="<class>" attributes from elements in the '
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parents:
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464 'document tree. Warning: potentially dangerous; use with caution. '
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parents:
diff changeset
465 '(Multiple-use option.)',
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parents:
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466 ['--strip-class'],
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parents:
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467 {'action': 'append', 'dest': 'strip_classes',
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parents:
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468 'metavar': '<class>', 'validator': validate_strip_class}),
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parents:
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469 ('Report system messages at or higher than <level>: "info" or "1", '
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parents:
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470 '"warning"/"2" (default), "error"/"3", "severe"/"4", "none"/"5"',
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471 ['--report', '-r'], {'choices': threshold_choices, 'default': 2,
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parents:
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472 'dest': 'report_level', 'metavar': '<level>',
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parents:
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473 'validator': validate_threshold}),
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parents:
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474 ('Report all system messages. (Same as "--report=1".)',
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parents:
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475 ['--verbose', '-v'], {'action': 'store_const', 'const': 1,
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parents:
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476 'dest': 'report_level'}),
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parents:
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477 ('Report no system messages. (Same as "--report=5".)',
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parents:
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478 ['--quiet', '-q'], {'action': 'store_const', 'const': 5,
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parents:
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479 'dest': 'report_level'}),
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parents:
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480 ('Halt execution at system messages at or above <level>. '
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parents:
diff changeset
481 'Levels as in --report. Default: 4 (severe).',
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parents:
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482 ['--halt'], {'choices': threshold_choices, 'dest': 'halt_level',
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parents:
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483 'default': 4, 'metavar': '<level>',
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parents:
diff changeset
484 'validator': validate_threshold}),
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parents:
diff changeset
485 ('Halt at the slightest problem. Same as "--halt=info".',
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parents:
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486 ['--strict'], {'action': 'store_const', 'const': 1,
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parents:
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487 'dest': 'halt_level'}),
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parents:
diff changeset
488 ('Enable a non-zero exit status for non-halting system messages at '
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
489 'or above <level>. Default: 5 (disabled).',
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parents:
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490 ['--exit-status'], {'choices': threshold_choices,
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parents:
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491 'dest': 'exit_status_level',
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parents:
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492 'default': 5, 'metavar': '<level>',
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parents:
diff changeset
493 'validator': validate_threshold}),
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parents:
diff changeset
494 ('Enable debug-level system messages and diagnostics.',
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parents:
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495 ['--debug'], {'action': 'store_true', 'validator': validate_boolean}),
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parents:
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496 ('Disable debug output. (default)',
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parents:
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497 ['--no-debug'], {'action': 'store_false', 'dest': 'debug'}),
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parents:
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498 ('Send the output of system messages to <file>.',
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parents:
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499 ['--warnings'], {'dest': 'warning_stream', 'metavar': '<file>'}),
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parents:
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500 ('Enable Python tracebacks when Docutils is halted.',
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parents:
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501 ['--traceback'], {'action': 'store_true', 'default': None,
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parents:
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502 'validator': validate_boolean}),
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parents:
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503 ('Disable Python tracebacks. (default)',
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parents:
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504 ['--no-traceback'], {'dest': 'traceback', 'action': 'store_false'}),
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parents:
diff changeset
505 ('Specify the encoding and optionally the '
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diff changeset
506 'error handler of input text. Default: <locale-dependent>:strict.',
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diff changeset
507 ['--input-encoding', '-i'],
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parents:
diff changeset
508 {'metavar': '<name[:handler]>',
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509 'validator': validate_encoding_and_error_handler}),
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parents:
diff changeset
510 ('Specify the error handler for undecodable characters. '
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parents:
diff changeset
511 'Choices: "strict" (default), "ignore", and "replace".',
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diff changeset
512 ['--input-encoding-error-handler'],
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parents:
diff changeset
513 {'default': 'strict', 'validator': validate_encoding_error_handler}),
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parents:
diff changeset
514 ('Specify the text encoding and optionally the error handler for '
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
515 'output. Default: UTF-8:strict.',
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diff changeset
516 ['--output-encoding', '-o'],
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diff changeset
517 {'metavar': '<name[:handler]>', 'default': 'utf-8',
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diff changeset
518 'validator': validate_encoding_and_error_handler}),
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parents:
diff changeset
519 ('Specify error handler for unencodable output characters; '
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parents:
diff changeset
520 '"strict" (default), "ignore", "replace", '
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diff changeset
521 '"xmlcharrefreplace", "backslashreplace".',
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diff changeset
522 ['--output-encoding-error-handler'],
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diff changeset
523 {'default': 'strict', 'validator': validate_encoding_error_handler}),
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parents:
diff changeset
524 ('Specify text encoding and error handler for error output. '
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parents:
diff changeset
525 'Default: %s:%s.'
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diff changeset
526 % (default_error_encoding, default_error_encoding_error_handler),
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diff changeset
527 ['--error-encoding', '-e'],
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diff changeset
528 {'metavar': '<name[:handler]>', 'default': default_error_encoding,
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diff changeset
529 'validator': validate_encoding_and_error_handler}),
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parents:
diff changeset
530 ('Specify the error handler for unencodable characters in '
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diff changeset
531 'error output. Default: %s.'
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diff changeset
532 % default_error_encoding_error_handler,
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diff changeset
533 ['--error-encoding-error-handler'],
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diff changeset
534 {'default': default_error_encoding_error_handler,
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parents:
diff changeset
535 'validator': validate_encoding_error_handler}),
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diff changeset
536 ('Specify the language (as BCP 47 language tag). Default: en.',
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537 ['--language', '-l'], {'dest': 'language_code', 'default': 'en',
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538 'metavar': '<name>'}),
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diff changeset
539 ('Write output file dependencies to <file>.',
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diff changeset
540 ['--record-dependencies'],
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diff changeset
541 {'metavar': '<file>', 'validator': validate_dependency_file,
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542 'default': None}), # default set in Values class
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diff changeset
543 ('Read configuration settings from <file>, if it exists.',
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544 ['--config'], {'metavar': '<file>', 'type': 'string',
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545 'action': 'callback', 'callback': read_config_file}),
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546 ("Show this program's version number and exit.",
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547 ['--version', '-V'], {'action': 'version'}),
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diff changeset
548 ('Show this help message and exit.',
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549 ['--help', '-h'], {'action': 'help'}),
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diff changeset
550 # Typically not useful for non-programmatical use:
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551 (SUPPRESS_HELP, ['--id-prefix'], {'default': ''}),
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552 (SUPPRESS_HELP, ['--auto-id-prefix'], {'default': 'id'}),
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553 # Hidden options, for development use only:
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554 (SUPPRESS_HELP, ['--dump-settings'], {'action': 'store_true'}),
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555 (SUPPRESS_HELP, ['--dump-internals'], {'action': 'store_true'}),
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556 (SUPPRESS_HELP, ['--dump-transforms'], {'action': 'store_true'}),
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557 (SUPPRESS_HELP, ['--dump-pseudo-xml'], {'action': 'store_true'}),
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558 (SUPPRESS_HELP, ['--expose-internal-attribute'],
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559 {'action': 'append', 'dest': 'expose_internals',
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560 'validator': validate_colon_separated_string_list}),
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diff changeset
561 (SUPPRESS_HELP, ['--strict-visitor'], {'action': 'store_true'}),
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562 ))
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diff changeset
563 """Runtime settings and command-line options common to all Docutils front
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diff changeset
564 ends. Setting specs specific to individual Docutils components are also
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diff changeset
565 used (see `populate_from_components()`)."""
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diff changeset
566
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diff changeset
567 settings_defaults = {'_disable_config': None,
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568 '_source': None,
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diff changeset
569 '_destination': None,
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570 '_config_files': None}
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diff changeset
571 """Defaults for settings that don't have command-line option equivalents."""
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572
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573 relative_path_settings = ('warning_stream',)
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574
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575 config_section = 'general'
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576
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577 version_template = ('%%prog (Docutils %s%s, Python %s, on %s)'
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578 % (docutils.__version__,
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diff changeset
579 docutils.__version_details__ and
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diff changeset
580 ' [%s]'%docutils.__version_details__ or '',
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diff changeset
581 sys.version.split()[0], sys.platform))
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diff changeset
582 """Default version message."""
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diff changeset
583
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584 def __init__(self, components=(), defaults=None, read_config_files=None,
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585 *args, **kwargs):
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586 """
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587 `components` is a list of Docutils components each containing a
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diff changeset
588 ``.settings_spec`` attribute. `defaults` is a mapping of setting
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diff changeset
589 default overrides.
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diff changeset
590 """
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591
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592 self.lists = {}
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diff changeset
593 """Set of list-type settings."""
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diff changeset
594
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595 self.config_files = []
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diff changeset
596 """List of paths of applied configuration files."""
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diff changeset
597
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598 optparse.OptionParser.__init__(
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diff changeset
599 self, option_class=Option, add_help_option=None,
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diff changeset
600 formatter=optparse.TitledHelpFormatter(width=78),
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parents:
diff changeset
601 *args, **kwargs)
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parents:
diff changeset
602 if not self.version:
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parents:
diff changeset
603 self.version = self.version_template
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parents:
diff changeset
604 # Make an instance copy (it will be modified):
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605 self.relative_path_settings = list(self.relative_path_settings)
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606 self.components = (self,) + tuple(components)
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607 self.populate_from_components(self.components)
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diff changeset
608 self.set_defaults_from_dict(defaults or {})
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diff changeset
609 if read_config_files and not self.defaults['_disable_config']:
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shellac
parents:
diff changeset
610 try:
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diff changeset
611 config_settings = self.get_standard_config_settings()
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diff changeset
612 except ValueError as error:
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613 self.error(SafeString(error))
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614 self.set_defaults_from_dict(config_settings.__dict__)
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diff changeset
615
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616 def populate_from_components(self, components):
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617 """
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618 For each component, first populate from the `SettingsSpec.settings_spec`
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619 structure, then from the `SettingsSpec.settings_defaults` dictionary.
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diff changeset
620 After all components have been processed, check for and populate from
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621 each component's `SettingsSpec.settings_default_overrides` dictionary.
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622 """
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623 for component in components:
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624 if component is None:
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625 continue
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626 settings_spec = component.settings_spec
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627 self.relative_path_settings.extend(
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diff changeset
628 component.relative_path_settings)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
629 for i in range(0, len(settings_spec), 3):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
630 title, description, option_spec = settings_spec[i:i+3]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
631 if title:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
632 group = optparse.OptionGroup(self, title, description)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
633 self.add_option_group(group)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
634 else:
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shellac
parents:
diff changeset
635 group = self # single options
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
636 for (help_text, option_strings, kwargs) in option_spec:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
637 option = group.add_option(help=help_text, *option_strings,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
638 **kwargs)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
639 if kwargs.get('action') == 'append':
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
640 self.lists[option.dest] = 1
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
641 if component.settings_defaults:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
642 self.defaults.update(component.settings_defaults)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
643 for component in components:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
644 if component and component.settings_default_overrides:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
645 self.defaults.update(component.settings_default_overrides)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
646
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
647 def get_standard_config_files(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
648 """Return list of config files, from environment or standard."""
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
649 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
650 config_files = os.environ['DOCUTILSCONFIG'].split(os.pathsep)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
651 except KeyError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
652 config_files = self.standard_config_files
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
653
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
654 # If 'HOME' is not set, expandvars() requires the 'pwd' module which is
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
655 # not available under certain environments, for example, within
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
656 # mod_python. The publisher ends up in here, and we need to publish
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
657 # from within mod_python. Therefore we need to avoid expanding when we
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
658 # are in those environments.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
659 expand = os.path.expanduser
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
660 if 'HOME' not in os.environ:
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shellac
parents:
diff changeset
661 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
662 import pwd
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
663 except ImportError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
664 expand = lambda x: x
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
665 return [expand(f) for f in config_files if f.strip()]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
666
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
667 def get_standard_config_settings(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
668 settings = Values()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
669 for filename in self.get_standard_config_files():
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
670 settings.update(self.get_config_file_settings(filename), self)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
671 return settings
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
672
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
673 def get_config_file_settings(self, config_file):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
674 """Returns a dictionary containing appropriate config file settings."""
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
675 parser = ConfigParser()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
676 parser.read(config_file, self)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
677 self.config_files.extend(parser._files)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
678 base_path = os.path.dirname(config_file)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
679 applied = {}
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
680 settings = Values()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
681 for component in self.components:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
682 if not component:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
683 continue
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
684 for section in (tuple(component.config_section_dependencies or ())
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
685 + (component.config_section,)):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
686 if section in applied:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
687 continue
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
688 applied[section] = 1
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
689 settings.update(parser.get_section(section), self)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
690 make_paths_absolute(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
691 settings.__dict__, self.relative_path_settings, base_path)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
692 return settings.__dict__
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
693
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
694 def check_values(self, values, args):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
695 """Store positional arguments as runtime settings."""
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
696 values._source, values._destination = self.check_args(args)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
697 make_paths_absolute(values.__dict__, self.relative_path_settings)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
698 values._config_files = self.config_files
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
699 return values
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
700
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
701 def check_args(self, args):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
702 source = destination = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
703 if args:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
704 source = args.pop(0)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
705 if source == '-': # means stdin
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
706 source = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
707 if args:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
708 destination = args.pop(0)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
709 if destination == '-': # means stdout
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
710 destination = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
711 if args:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
712 self.error('Maximum 2 arguments allowed.')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
713 if source and source == destination:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
714 self.error('Do not specify the same file for both source and '
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
715 'destination. It will clobber the source file.')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
716 return source, destination
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
717
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
718 def set_defaults_from_dict(self, defaults):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
719 self.defaults.update(defaults)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
720
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
721 def get_default_values(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
722 """Needed to get custom `Values` instances."""
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
723 defaults = Values(self.defaults)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
724 defaults._config_files = self.config_files
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
725 return defaults
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
726
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
727 def get_option_by_dest(self, dest):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
728 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
729 Get an option by its dest.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
730
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
731 If you're supplying a dest which is shared by several options,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
732 it is undefined which option of those is returned.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
733
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
734 A KeyError is raised if there is no option with the supplied
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
735 dest.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
736 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
737 for group in self.option_groups + [self]:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
738 for option in group.option_list:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
739 if option.dest == dest:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
740 return option
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
741 raise KeyError('No option with dest == %r.' % dest)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
742
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
743
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
744 class ConfigParser(RawConfigParser):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
745
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
746 old_settings = {
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
747 'pep_stylesheet': ('pep_html writer', 'stylesheet'),
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
748 'pep_stylesheet_path': ('pep_html writer', 'stylesheet_path'),
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
749 'pep_template': ('pep_html writer', 'template')}
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
750 """{old setting: (new section, new setting)} mapping, used by
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
751 `handle_old_config`, to convert settings from the old [options] section."""
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
752
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
753 old_warning = """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
754 The "[option]" section is deprecated. Support for old-format configuration
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
755 files may be removed in a future Docutils release. Please revise your
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
756 configuration files. See <http://docutils.sf.net/docs/user/config.html>,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
757 section "Old-Format Configuration Files".
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
758 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
759
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
760 not_utf8_error = """\
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
761 Unable to read configuration file "%s": content not encoded as UTF-8.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
762 Skipping "%s" configuration file.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
763 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
764
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
765 def __init__(self, *args, **kwargs):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
766 RawConfigParser.__init__(self, *args, **kwargs)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
767
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parents:
diff changeset
768 self._files = []
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parents:
diff changeset
769 """List of paths of configuration files read."""
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
770
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parents:
diff changeset
771 self._stderr = ErrorOutput()
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parents:
diff changeset
772 """Wrapper around sys.stderr catching en-/decoding errors"""
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parents:
diff changeset
773
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
774 def read(self, filenames, option_parser):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
775 if type(filenames) in (str, unicode):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
776 filenames = [filenames]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
777 for filename in filenames:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
778 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
779 # Config files must be UTF-8-encoded:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
780 fp = codecs.open(filename, 'r', 'utf-8')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
781 except IOError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
782 continue
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
783 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
784 if sys.version_info < (3, 0):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
785 RawConfigParser.readfp(self, fp, filename)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
786 else:
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shellac
parents:
diff changeset
787 RawConfigParser.read_file(self, fp, filename)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
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diff changeset
788 except UnicodeDecodeError:
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parents:
diff changeset
789 self._stderr.write(self.not_utf8_error % (filename, filename))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
790 fp.close()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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diff changeset
791 continue
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
792 fp.close()
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diff changeset
793 self._files.append(filename)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
794 if self.has_section('options'):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
795 self.handle_old_config(filename)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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diff changeset
796 self.validate_settings(filename, option_parser)
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diff changeset
797
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
798 def handle_old_config(self, filename):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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diff changeset
799 warnings.warn_explicit(self.old_warning, ConfigDeprecationWarning,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
800 filename, 0)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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diff changeset
801 options = self.get_section('options')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
802 if not self.has_section('general'):
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parents:
diff changeset
803 self.add_section('general')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
804 for key, value in options.items():
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
805 if key in self.old_settings:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
806 section, setting = self.old_settings[key]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
807 if not self.has_section(section):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
808 self.add_section(section)
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parents:
diff changeset
809 else:
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parents:
diff changeset
810 section = 'general'
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
811 setting = key
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
812 if not self.has_option(section, setting):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
813 self.set(section, setting, value)
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shellac
parents:
diff changeset
814 self.remove_section('options')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
815
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
816 def validate_settings(self, filename, option_parser):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
817 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
818 Call the validator function and implement overrides on all applicable
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
819 settings.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
820 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
821 for section in self.sections():
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
822 for setting in self.options(section):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
823 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
824 option = option_parser.get_option_by_dest(setting)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
825 except KeyError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
826 continue
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
827 if option.validator:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
828 value = self.get(section, setting)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
829 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
830 new_value = option.validator(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
831 setting, value, option_parser,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
832 config_parser=self, config_section=section)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
833 except Exception as error:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
834 raise ValueError(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
835 'Error in config file "%s", section "[%s]":\n'
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
836 ' %s\n'
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
837 ' %s = %s'
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
838 % (filename, section, ErrorString(error),
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
839 setting, value))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
840 self.set(section, setting, new_value)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
841 if option.overrides:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
842 self.set(section, option.overrides, None)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
843
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
844 def optionxform(self, optionstr):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
845 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
846 Transform '-' to '_' so the cmdline form of option names can be used.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
847 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
848 return optionstr.lower().replace('-', '_')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
849
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
850 def get_section(self, section):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
851 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
852 Return a given section as a dictionary (empty if the section
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
853 doesn't exist).
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
854 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
855 section_dict = {}
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
856 if self.has_section(section):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
857 for option in self.options(section):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
858 section_dict[option] = self.get(section, option)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
859 return section_dict
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
860
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
861
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
862 class ConfigDeprecationWarning(DeprecationWarning):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
863 """Warning for deprecated configuration file features."""