Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/docutils/writers/xetex/__init__.py @ 0:4f3585e2f14b draft default tip
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author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 #!/usr/bin/env python |
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2 # -*- coding: utf-8 -*- |
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3 |
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4 # :Author: Günter Milde <milde@users.sourceforge.net> |
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5 # :Revision: $Revision: 8411 $ |
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6 # :Date: $Date: 2019-11-05 14:32:13 +0100 (Di, 05. Nov 2019) $ |
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7 # :Copyright: © 2010 Günter Milde. |
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8 # :License: Released under the terms of the `2-Clause BSD license`_, in short: |
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9 # |
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10 # Copying and distribution of this file, with or without modification, |
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11 # are permitted in any medium without royalty provided the copyright |
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12 # notice and this notice are preserved. |
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13 # This file is offered as-is, without any warranty. |
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14 # |
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15 # .. _2-Clause BSD license: http://www.spdx.org/licenses/BSD-2-Clause |
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16 |
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17 """ |
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18 XeLaTeX document tree Writer. |
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19 |
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20 A variant of Docutils' standard 'latex2e' writer producing LaTeX output |
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21 suited for processing with the Unicode-aware TeX engines |
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22 LuaTeX and XeTeX. |
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23 """ |
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24 |
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25 __docformat__ = 'reStructuredText' |
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26 |
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27 import os |
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28 import os.path |
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29 import re |
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30 |
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31 import docutils |
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32 from docutils import frontend, nodes, utils, writers, languages |
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33 from docutils.writers import latex2e |
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34 |
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35 class Writer(latex2e.Writer): |
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36 """A writer for Unicode-aware LaTeX variants (XeTeX, LuaTeX)""" |
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37 |
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38 supported = ('lxtex', 'xetex', 'xelatex', 'luatex', 'lualatex') |
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39 """Formats this writer supports.""" |
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40 |
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41 default_template = 'xelatex.tex' |
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42 default_preamble = '\n'.join([ |
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43 r'% Linux Libertine (free, wide coverage, not only for Linux)', |
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44 r'\setmainfont{Linux Libertine O}', |
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45 r'\setsansfont{Linux Biolinum O}', |
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46 r'\setmonofont[HyphenChar=None,Scale=MatchLowercase]{DejaVu Sans Mono}', |
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47 ]) |
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48 |
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49 config_section = 'xetex writer' |
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50 config_section_dependencies = ('writers', 'latex writers', |
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51 'latex2e writer') # TODO: remove dependency on `latex2e writer`. |
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52 |
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53 settings_spec = frontend.filter_settings_spec( |
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54 latex2e.Writer.settings_spec, |
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55 'font_encoding', |
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56 template=('Template file. Default: "%s".' % default_template, |
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57 ['--template'], {'default': default_template, 'metavar': '<file>'}), |
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58 latex_preamble=('Customization by LaTeX code in the preamble. ' |
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59 'Default: select "Linux Libertine" fonts.', |
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60 ['--latex-preamble'], |
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61 {'default': default_preamble}), |
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62 ) |
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63 |
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64 def __init__(self): |
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65 latex2e.Writer.__init__(self) |
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66 self.settings_defaults.update({'fontencoding': ''}) # use default (EU1 or EU2) |
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67 self.translator_class = XeLaTeXTranslator |
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68 |
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69 |
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70 class Babel(latex2e.Babel): |
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71 """Language specifics for XeTeX. |
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72 |
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73 Use `polyglossia` instead of `babel` and adapt settings. |
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74 """ |
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75 language_codes = latex2e.Babel.language_codes.copy() |
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76 # Additionally supported or differently named languages: |
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77 language_codes.update({ |
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78 # code Polyglossia-name comment |
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79 'cop': 'coptic', |
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80 'de': 'german', # new spelling (de_1996) |
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81 'de-1901': 'ogerman', # old spelling |
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82 'dv': 'divehi', # Maldivian |
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83 'dsb': 'lsorbian', |
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84 'el-polyton': 'polygreek', |
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85 'fa': 'farsi', |
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86 'grc': 'ancientgreek', |
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87 'hsb': 'usorbian', |
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88 'sh-Cyrl': 'serbian', # Serbo-Croatian, Cyrillic script |
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89 'sh-Latn': 'croatian', # Serbo-Croatian, Latin script |
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90 'sq': 'albanian', |
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91 'sr': 'serbian', # Cyrillic script (sr-Cyrl) |
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92 'th': 'thai', |
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93 'vi': 'vietnamese', |
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94 # zh-Latn: ??? # Chinese Pinyin |
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95 }) |
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96 # normalize (downcase) keys |
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97 language_codes = dict([(k.lower(), v) for (k, v) in language_codes.items()]) |
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98 |
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99 # Languages without Polyglossia support: |
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100 for key in ('af', # 'afrikaans', |
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101 'de-AT', # 'naustrian', |
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102 'de-AT-1901', # 'austrian', |
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103 # TODO: use variant=... for English variants |
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104 'en-CA', # 'canadian', |
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105 'en-GB', # 'british', |
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106 'en-NZ', # 'newzealand', |
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107 'en-US', # 'american', |
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108 'fr-CA', # 'canadien', |
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109 'grc-ibycus', # 'ibycus', (Greek Ibycus encoding) |
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110 'sr-Latn', # 'serbian script=latin' |
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111 ): |
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112 del(language_codes[key.lower()]) |
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113 |
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114 def __init__(self, language_code, reporter): |
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115 self.language_code = language_code |
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116 self.reporter = reporter |
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117 self.language = self.language_name(language_code) |
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118 self.otherlanguages = {} |
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119 self.warn_msg = 'Language "%s" not supported by Polyglossia.' |
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120 self.quote_index = 0 |
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121 self.quotes = ('"', '"') |
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122 # language dependent configuration: |
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123 # double quotes are "active" in some languages (e.g. German). |
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124 self.literal_double_quote = u'"' # TODO: use \textquotedbl ? |
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125 |
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126 def __call__(self): |
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127 setup = [r'\usepackage{polyglossia}', |
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128 r'\setdefaultlanguage{%s}' % self.language] |
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129 if self.otherlanguages: |
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130 setup.append(r'\setotherlanguages{%s}' % |
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131 ','.join(sorted(self.otherlanguages.keys()))) |
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132 return '\n'.join(setup) |
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133 |
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134 |
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135 class XeLaTeXTranslator(latex2e.LaTeXTranslator): |
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136 """ |
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137 Generate code for LaTeX using Unicode fonts (XeLaTex or LuaLaTeX). |
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138 |
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139 See the docstring of docutils.writers._html_base.HTMLTranslator for |
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140 notes on and examples of safe subclassing. |
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141 """ |
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142 |
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143 def __init__(self, document): |
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144 self.is_xetex = True # typeset with XeTeX or LuaTeX engine |
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145 latex2e.LaTeXTranslator.__init__(self, document, Babel) |
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146 if self.latex_encoding == 'utf8': |
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147 self.requirements.pop('_inputenc', None) |
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148 else: |
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149 self.requirements['_inputenc'] = (r'\XeTeXinputencoding %s ' |
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150 % self.latex_encoding) |