127 lines
3.8 KiB
Python
127 lines
3.8 KiB
Python
## rst_xhtml_generator.py
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##
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## Copyright (C) 2006 Yann Le Boulanger <asterix@lagaule.org>
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## Copyright (C) 2006 Nikos Kouremenos <kourem@gmail.com>
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## Copyright (C) 2006 Santiago Gala
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published
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## by the Free Software Foundation; version 2 only.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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try:
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from docutils import io
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from docutils.core import Publisher
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from docutils.parsers.rst import roles
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from docutils import nodes,utils
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from docutils.parsers.rst.roles import set_classes
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except:
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def create_xhtml(text):
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return None
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else:
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def jep_reference_role(role, rawtext, text, lineno, inliner,
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options={}, content=[]):
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'''Role to make handy references to Jabber Enhancement Proposals (JEP).
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Use as :JEP:`71` (or jep, or jep-reference).
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Modeled after the sample in docutils documentation.
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'''
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jep_base_url = 'http://www.jabber.org/jeps/'
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jep_url = 'jep-%04d.html'
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try:
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jepnum = int(text)
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if jepnum <= 0:
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raise ValueError
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except ValueError:
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msg = inliner.reporter.error(
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'JEP number must be a number greater than or equal to 1; '
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'"%s" is invalid.' % text, line=lineno)
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prb = inliner.problematic(rawtext, rawtext, msg)
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return [prb], [msg]
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ref = jep_base_url + jep_url % jepnum
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set_classes(options)
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node = nodes.reference(rawtext, 'JEP ' + utils.unescape(text), refuri=ref,
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**options)
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return [node], []
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roles.register_canonical_role('jep-reference', jep_reference_role)
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from docutils.parsers.rst.languages.en import roles
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roles['jep-reference'] = 'jep-reference'
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roles['jep'] = 'jep-reference'
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class HTMLGenerator:
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'''Really simple HTMLGenerator starting from publish_parts.
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It reuses the docutils.core.Publisher class, which means it is *not*
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threadsafe.
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'''
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def __init__(self,
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settings_spec=None,
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settings_overrides=dict(report_level=5, halt_level=5),
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config_section='general'):
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self.pub = Publisher(reader=None, parser=None, writer=None,
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settings=None,
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source_class=io.StringInput,
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destination_class=io.StringOutput)
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self.pub.set_components(reader_name='standalone',
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parser_name='restructuredtext',
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writer_name='html')
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# hack: JEP-0071 does not allow HTML char entities, so we hack our way
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# out of it.
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# — == u"\u2014"
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# a setting to only emit charater entities in the writer would be nice
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# FIXME: several are emitted, and they are explicitly forbidden
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# in the JEP
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# == u"\u00a0"
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self.pub.writer.translator_class.attribution_formats['dash'] = (
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u'\u2014', '')
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self.pub.process_programmatic_settings(settings_spec,
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settings_overrides,
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config_section)
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def create_xhtml(self, text,
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destination=None,
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destination_path=None,
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enable_exit_status=None):
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''' Create xhtml for a fragment of IM dialog.
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We can use the source_name to store info about
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the message.'''
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self.pub.set_source(text, None)
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self.pub.set_destination(destination, destination_path)
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output = self.pub.publish(enable_exit_status=enable_exit_status)
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# kludge until we can get docutils to stop generating (rare)
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# entities
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return u'\u00a0'.join(self.pub.writer.parts['fragment'].strip().split(
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' '))
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Generator = HTMLGenerator()
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def create_xhtml(text):
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return Generator.create_xhtml(text)
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if __name__ == '__main__':
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print Generator.create_xhtml('''
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test::
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>>> print 1
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1
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*I* like it. It is for :JEP:`71`
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this `` should trigger`` should trigger the problem.
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''')
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print Generator.create_xhtml('''
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*test1
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test2_
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''')
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