diff env/lib/python3.9/site-packages/docutils/writers/xetex/__init__.py @ 0:4f3585e2f14b draft default tip

"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/env/lib/python3.9/site-packages/docutils/writers/xetex/__init__.py	Mon Mar 22 18:12:50 2021 +0000
@@ -0,0 +1,150 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# :Author: Günter Milde <[e-mail]>
+# :Revision: $Revision: 8411 $
+# :Date: $Date: 2019-11-05 14:32:13 +0100 (Di, 05. Nov 2019) $
+# :Copyright: © 2010 Günter Milde.
+# :License: Released under the terms of the `2-Clause BSD license`_, in short:
+# 
+#    Copying and distribution of this file, with or without modification,
+#    are permitted in any medium without royalty provided the copyright
+#    notice and this notice are preserved.
+#    This file is offered as-is, without any warranty.
+# 
+# .. _2-Clause BSD license: http://www.spdx.org/licenses/BSD-2-Clause
+
+"""
+XeLaTeX document tree Writer.
+
+A variant of Docutils' standard 'latex2e' writer producing LaTeX output
+suited for processing with the Unicode-aware TeX engines
+LuaTeX and XeTeX.
+"""
+
+__docformat__ = 'reStructuredText'
+
+import os
+import os.path
+import re
+
+import docutils
+from docutils import frontend, nodes, utils, writers, languages
+from docutils.writers import latex2e
+
+class Writer(latex2e.Writer):
+    """A writer for Unicode-aware LaTeX variants (XeTeX, LuaTeX)"""
+
+    supported = ('lxtex', 'xetex', 'xelatex', 'luatex', 'lualatex')
+    """Formats this writer supports."""
+
+    default_template = 'xelatex.tex'
+    default_preamble = '\n'.join([
+        r'% Linux Libertine (free, wide coverage, not only for Linux)',
+        r'\setmainfont{Linux Libertine O}',
+        r'\setsansfont{Linux Biolinum O}',
+        r'\setmonofont[HyphenChar=None,Scale=MatchLowercase]{DejaVu Sans Mono}',
+    ])
+
+    config_section = 'xetex writer'
+    config_section_dependencies = ('writers', 'latex writers',
+                                   'latex2e writer') # TODO: remove dependency on `latex2e writer`.
+
+    settings_spec = frontend.filter_settings_spec(
+        latex2e.Writer.settings_spec,
+        'font_encoding',
+        template=('Template file. Default: "%s".' % default_template,
+          ['--template'], {'default': default_template, 'metavar': '<file>'}),
+        latex_preamble=('Customization by LaTeX code in the preamble. '
+          'Default: select "Linux Libertine" fonts.',
+          ['--latex-preamble'],
+          {'default': default_preamble}),
+        )
+
+    def __init__(self):
+        latex2e.Writer.__init__(self)
+        self.settings_defaults.update({'fontencoding': ''}) # use default (EU1 or EU2)
+        self.translator_class = XeLaTeXTranslator
+
+
+class Babel(latex2e.Babel):
+    """Language specifics for XeTeX.
+
+    Use `polyglossia` instead of `babel` and adapt settings.
+    """
+    language_codes = latex2e.Babel.language_codes.copy()
+    # Additionally supported or differently named languages:
+    language_codes.update({
+        # code          Polyglossia-name       comment
+        'cop':          'coptic',
+        'de':           'german', # new spelling (de_1996)
+        'de-1901':      'ogerman', # old spelling
+        'dv':           'divehi',  # Maldivian
+        'dsb':          'lsorbian',
+        'el-polyton':   'polygreek',
+        'fa':           'farsi',
+        'grc':          'ancientgreek',
+        'hsb':          'usorbian',
+        'sh-Cyrl':      'serbian', # Serbo-Croatian, Cyrillic script
+        'sh-Latn':      'croatian', # Serbo-Croatian, Latin script
+        'sq':           'albanian',
+        'sr':           'serbian', # Cyrillic script (sr-Cyrl)
+        'th':           'thai',
+        'vi':           'vietnamese',
+        # zh-Latn:      ???        #     Chinese Pinyin
+        })
+    # normalize (downcase) keys
+    language_codes = dict([(k.lower(), v) for (k, v) in language_codes.items()])
+
+    # Languages without Polyglossia support:
+    for key in ('af',           # 'afrikaans',
+                'de-AT',        # 'naustrian',
+                'de-AT-1901',   # 'austrian',
+                # TODO: use variant=... for English variants
+                'en-CA',        # 'canadian',
+                'en-GB',        # 'british',
+                'en-NZ',        # 'newzealand',
+                'en-US',        # 'american',
+                'fr-CA',        # 'canadien',
+                'grc-ibycus',   # 'ibycus', (Greek Ibycus encoding)
+                'sr-Latn',      # 'serbian script=latin'
+               ):
+        del(language_codes[key.lower()])
+
+    def __init__(self, language_code, reporter):
+        self.language_code = language_code
+        self.reporter = reporter
+        self.language = self.language_name(language_code)
+        self.otherlanguages = {}
+        self.warn_msg = 'Language "%s" not supported by Polyglossia.'
+        self.quote_index = 0
+        self.quotes = ('"', '"')
+        # language dependent configuration:
+        # double quotes are "active" in some languages (e.g. German).
+        self.literal_double_quote = u'"' # TODO: use \textquotedbl ?
+
+    def __call__(self):
+        setup = [r'\usepackage{polyglossia}',
+                 r'\setdefaultlanguage{%s}' % self.language]
+        if self.otherlanguages:
+            setup.append(r'\setotherlanguages{%s}' %
+                         ','.join(sorted(self.otherlanguages.keys())))
+        return '\n'.join(setup)
+
+
+class XeLaTeXTranslator(latex2e.LaTeXTranslator):
+    """
+    Generate code for LaTeX using Unicode fonts (XeLaTex or LuaLaTeX).
+
+    See the docstring of docutils.writers._html_base.HTMLTranslator for
+    notes on and examples of safe subclassing.
+    """
+
+    def __init__(self, document):
+        self.is_xetex = True  # typeset with XeTeX or LuaTeX engine
+        latex2e.LaTeXTranslator.__init__(self, document, Babel)
+        if self.latex_encoding == 'utf8':
+            self.requirements.pop('_inputenc', None)
+        else:
+            self.requirements['_inputenc'] = (r'\XeTeXinputencoding %s '
+                                              % self.latex_encoding)