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64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
#
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# A pair of directives for inserting content that will only appear in
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# either html or latex.
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#
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from __future__ import print_function
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from docutils.nodes import Body, Element
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from docutils.parsers.rst import directives
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class only_base(Body, Element):
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def dont_traverse(self, *args, **kwargs):
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return []
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class html_only(only_base):
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pass
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class latex_only(only_base):
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pass
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def run(content, node_class, state, content_offset):
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text = '\n'.join(content)
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node = node_class(text)
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state.nested_parse(content, content_offset, node)
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return [node]
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def html_only_directive(name, arguments, options, content, lineno,
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content_offset, block_text, state, state_machine):
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return run(content, html_only, state, content_offset)
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def latex_only_directive(name, arguments, options, content, lineno,
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content_offset, block_text, state, state_machine):
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return run(content, latex_only, state, content_offset)
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def builder_inited(app):
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if app.builder.name == 'html':
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latex_only.traverse = only_base.dont_traverse
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else:
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html_only.traverse = only_base.dont_traverse
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def setup(app):
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app.add_directive('htmlonly', html_only_directive, True, (0, 0, 0))
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app.add_directive('latexonly', latex_only_directive, True, (0, 0, 0))
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app.add_node(html_only)
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app.add_node(latex_only)
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# This will *really* never see the light of day As it turns out,
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# this results in "broken" image nodes since they never get
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# processed, so best not to do this.
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# app.connect('builder-inited', builder_inited)
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# Add visit/depart methods to HTML-Translator:
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def visit_perform(self, node):
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pass
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def depart_perform(self, node):
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pass
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def visit_ignore(self, node):
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node.children = []
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def depart_ignore(self, node):
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node.children = []
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app.add_node(html_only, html=(visit_perform, depart_perform))
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app.add_node(html_only, latex=(visit_ignore, depart_ignore))
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app.add_node(latex_only, latex=(visit_perform, depart_perform))
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app.add_node(latex_only, html=(visit_ignore, depart_ignore))
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