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456 lines
15 KiB
456 lines
15 KiB
"""
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sphinx.writers.manpage
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~~~~~~~~~~~~~~~~~~~~~~
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Manual page writer, extended for Sphinx custom nodes.
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:copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import warnings
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from typing import Any, Dict, Iterable, cast
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from docutils import nodes
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from docutils.nodes import Element, Node, TextElement
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from docutils.writers.manpage import Translator as BaseTranslator
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from docutils.writers.manpage import Writer
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from sphinx import addnodes
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from sphinx.builders import Builder
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from sphinx.deprecation import RemovedInSphinx40Warning
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from sphinx.locale import _, admonitionlabels
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from sphinx.util import logging
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from sphinx.util.docutils import SphinxTranslator
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from sphinx.util.i18n import format_date
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from sphinx.util.nodes import NodeMatcher
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logger = logging.getLogger(__name__)
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class ManualPageWriter(Writer):
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def __init__(self, builder: Builder) -> None:
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super().__init__()
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self.builder = builder
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def translate(self) -> None:
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transform = NestedInlineTransform(self.document)
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transform.apply()
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visitor = self.builder.create_translator(self.document, self.builder)
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self.visitor = cast(ManualPageTranslator, visitor)
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self.document.walkabout(visitor)
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self.output = self.visitor.astext()
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class NestedInlineTransform:
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"""
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Flatten nested inline nodes:
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Before:
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<strong>foo=<emphasis>1</emphasis>
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&bar=<emphasis>2</emphasis></strong>
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After:
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<strong>foo=</strong><emphasis>var</emphasis>
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<strong>&bar=</strong><emphasis>2</emphasis>
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"""
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def __init__(self, document: nodes.document) -> None:
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self.document = document
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def apply(self, **kwargs: Any) -> None:
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matcher = NodeMatcher(nodes.literal, nodes.emphasis, nodes.strong)
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for node in self.document.traverse(matcher): # type: TextElement
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if any(matcher(subnode) for subnode in node):
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pos = node.parent.index(node)
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for subnode in reversed(node[1:]):
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node.remove(subnode)
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if matcher(subnode):
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node.parent.insert(pos + 1, subnode)
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else:
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newnode = node.__class__('', '', subnode, **node.attributes)
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node.parent.insert(pos + 1, newnode)
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class ManualPageTranslator(SphinxTranslator, BaseTranslator):
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"""
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Custom translator.
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"""
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_docinfo = {} # type: Dict[str, Any]
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def __init__(self, *args: Any) -> None:
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if isinstance(args[0], nodes.document) and isinstance(args[1], Builder):
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document, builder = args
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else:
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warnings.warn('The order of arguments for ManualPageTranslator has been changed. '
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'Please give "document" as 1st and "builder" as 2nd.',
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RemovedInSphinx40Warning, stacklevel=2)
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builder, document = args
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super().__init__(document, builder)
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self.in_productionlist = 0
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# first title is the manpage title
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self.section_level = -1
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# docinfo set by man_pages config value
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self._docinfo['title'] = self.settings.title
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self._docinfo['subtitle'] = self.settings.subtitle
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if self.settings.authors:
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# don't set it if no author given
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self._docinfo['author'] = self.settings.authors
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self._docinfo['manual_section'] = self.settings.section
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# docinfo set by other config values
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self._docinfo['title_upper'] = self._docinfo['title'].upper()
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if self.config.today:
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self._docinfo['date'] = self.config.today
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else:
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self._docinfo['date'] = format_date(self.config.today_fmt or _('%b %d, %Y'),
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language=self.config.language)
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self._docinfo['copyright'] = self.config.copyright
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self._docinfo['version'] = self.config.version
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self._docinfo['manual_group'] = self.config.project
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# Overwrite admonition label translations with our own
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for label, translation in admonitionlabels.items():
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self.language.labels[label] = self.deunicode(translation) # type: ignore
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# overwritten -- added quotes around all .TH arguments
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def header(self) -> str:
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tmpl = (".TH \"%(title_upper)s\" \"%(manual_section)s\""
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" \"%(date)s\" \"%(version)s\" \"%(manual_group)s\"\n"
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".SH NAME\n"
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"%(title)s \\- %(subtitle)s\n")
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return tmpl % self._docinfo
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def visit_start_of_file(self, node: Element) -> None:
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pass
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def depart_start_of_file(self, node: Element) -> None:
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pass
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def visit_desc(self, node: Element) -> None:
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self.visit_definition_list(node)
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def depart_desc(self, node: Element) -> None:
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self.depart_definition_list(node)
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def visit_desc_signature(self, node: Element) -> None:
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self.visit_definition_list_item(node)
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self.visit_term(node)
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def depart_desc_signature(self, node: Element) -> None:
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self.depart_term(node)
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def visit_desc_signature_line(self, node: Element) -> None:
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pass
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def depart_desc_signature_line(self, node: Element) -> None:
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self.body.append(' ')
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def visit_desc_addname(self, node: Element) -> None:
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pass
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def depart_desc_addname(self, node: Element) -> None:
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pass
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def visit_desc_type(self, node: Element) -> None:
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pass
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def depart_desc_type(self, node: Element) -> None:
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pass
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def visit_desc_returns(self, node: Element) -> None:
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self.body.append(' -> ')
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def depart_desc_returns(self, node: Element) -> None:
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pass
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def visit_desc_name(self, node: Element) -> None:
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pass
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def depart_desc_name(self, node: Element) -> None:
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pass
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def visit_desc_parameterlist(self, node: Element) -> None:
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self.body.append('(')
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self.first_param = 1
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def depart_desc_parameterlist(self, node: Element) -> None:
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self.body.append(')')
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def visit_desc_parameter(self, node: Element) -> None:
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if not self.first_param:
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self.body.append(', ')
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else:
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self.first_param = 0
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def depart_desc_parameter(self, node: Element) -> None:
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pass
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def visit_desc_optional(self, node: Element) -> None:
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self.body.append('[')
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def depart_desc_optional(self, node: Element) -> None:
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self.body.append(']')
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def visit_desc_annotation(self, node: Element) -> None:
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pass
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def depart_desc_annotation(self, node: Element) -> None:
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pass
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def visit_desc_content(self, node: Element) -> None:
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self.visit_definition(node)
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def depart_desc_content(self, node: Element) -> None:
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self.depart_definition(node)
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def visit_versionmodified(self, node: Element) -> None:
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self.visit_paragraph(node)
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def depart_versionmodified(self, node: Element) -> None:
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self.depart_paragraph(node)
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# overwritten -- don't make whole of term bold if it includes strong node
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def visit_term(self, node: Element) -> None:
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if node.traverse(nodes.strong):
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self.body.append('\n')
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else:
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super().visit_term(node)
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# overwritten -- we don't want source comments to show up
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def visit_comment(self, node: Element) -> None: # type: ignore
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raise nodes.SkipNode
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# overwritten -- added ensure_eol()
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def visit_footnote(self, node: Element) -> None:
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self.ensure_eol()
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super().visit_footnote(node)
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# overwritten -- handle footnotes rubric
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def visit_rubric(self, node: Element) -> None:
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self.ensure_eol()
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if len(node) == 1 and node.astext() in ('Footnotes', _('Footnotes')):
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self.body.append('.SH ' + self.deunicode(node.astext()).upper() + '\n')
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raise nodes.SkipNode
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else:
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self.body.append('.sp\n')
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def depart_rubric(self, node: Element) -> None:
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self.body.append('\n')
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def visit_seealso(self, node: Element) -> None:
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self.visit_admonition(node, 'seealso')
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def depart_seealso(self, node: Element) -> None:
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self.depart_admonition(node)
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def visit_productionlist(self, node: Element) -> None:
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self.ensure_eol()
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names = []
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self.in_productionlist += 1
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self.body.append('.sp\n.nf\n')
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productionlist = cast(Iterable[addnodes.production], node)
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for production in productionlist:
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names.append(production['tokenname'])
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maxlen = max(len(name) for name in names)
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lastname = None
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for production in productionlist:
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if production['tokenname']:
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lastname = production['tokenname'].ljust(maxlen)
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self.body.append(self.defs['strong'][0])
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self.body.append(self.deunicode(lastname))
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self.body.append(self.defs['strong'][1])
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self.body.append(' ::= ')
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elif lastname is not None:
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self.body.append('%s ' % (' ' * len(lastname)))
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production.walkabout(self)
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self.body.append('\n')
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self.body.append('\n.fi\n')
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self.in_productionlist -= 1
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raise nodes.SkipNode
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def visit_production(self, node: Element) -> None:
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pass
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def depart_production(self, node: Element) -> None:
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pass
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# overwritten -- don't emit a warning for images
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def visit_image(self, node: Element) -> None:
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if 'alt' in node.attributes:
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self.body.append(_('[image: %s]') % node['alt'] + '\n')
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self.body.append(_('[image]') + '\n')
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raise nodes.SkipNode
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# overwritten -- don't visit inner marked up nodes
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def visit_reference(self, node: Element) -> None:
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self.body.append(self.defs['reference'][0])
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# avoid repeating escaping code... fine since
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# visit_Text calls astext() and only works on that afterwards
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self.visit_Text(node) # type: ignore
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self.body.append(self.defs['reference'][1])
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uri = node.get('refuri', '')
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if uri.startswith('mailto:') or uri.startswith('http:') or \
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uri.startswith('https:') or uri.startswith('ftp:'):
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# if configured, put the URL after the link
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if self.builder.config.man_show_urls and \
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node.astext() != uri:
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if uri.startswith('mailto:'):
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uri = uri[7:]
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self.body.extend([
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' <',
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self.defs['strong'][0], uri, self.defs['strong'][1],
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'>'])
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raise nodes.SkipNode
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def visit_number_reference(self, node: Element) -> None:
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text = nodes.Text(node.get('title', '#'))
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self.visit_Text(text)
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raise nodes.SkipNode
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def visit_centered(self, node: Element) -> None:
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self.ensure_eol()
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self.body.append('.sp\n.ce\n')
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def depart_centered(self, node: Element) -> None:
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self.body.append('\n.ce 0\n')
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def visit_compact_paragraph(self, node: Element) -> None:
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pass
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def depart_compact_paragraph(self, node: Element) -> None:
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pass
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def visit_download_reference(self, node: Element) -> None:
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pass
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def depart_download_reference(self, node: Element) -> None:
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pass
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def visit_toctree(self, node: Element) -> None:
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raise nodes.SkipNode
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def visit_index(self, node: Element) -> None:
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raise nodes.SkipNode
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def visit_tabular_col_spec(self, node: Element) -> None:
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raise nodes.SkipNode
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def visit_glossary(self, node: Element) -> None:
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pass
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def depart_glossary(self, node: Element) -> None:
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pass
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def visit_acks(self, node: Element) -> None:
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bullet_list = cast(nodes.bullet_list, node[0])
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list_items = cast(Iterable[nodes.list_item], bullet_list)
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self.ensure_eol()
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bullet_list = cast(nodes.bullet_list, node[0])
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list_items = cast(Iterable[nodes.list_item], bullet_list)
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self.body.append(', '.join(n.astext() for n in list_items) + '.')
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self.body.append('\n')
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raise nodes.SkipNode
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def visit_hlist(self, node: Element) -> None:
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self.visit_bullet_list(node)
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def depart_hlist(self, node: Element) -> None:
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self.depart_bullet_list(node)
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def visit_hlistcol(self, node: Element) -> None:
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pass
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def depart_hlistcol(self, node: Element) -> None:
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pass
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def visit_literal_emphasis(self, node: Element) -> None:
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return self.visit_emphasis(node)
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def depart_literal_emphasis(self, node: Element) -> None:
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return self.depart_emphasis(node)
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def visit_literal_strong(self, node: Element) -> None:
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return self.visit_strong(node)
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def depart_literal_strong(self, node: Element) -> None:
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return self.depart_strong(node)
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def visit_abbreviation(self, node: Element) -> None:
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pass
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def depart_abbreviation(self, node: Element) -> None:
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pass
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def visit_manpage(self, node: Element) -> None:
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return self.visit_strong(node)
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def depart_manpage(self, node: Element) -> None:
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return self.depart_strong(node)
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# overwritten: handle section titles better than in 0.6 release
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def visit_caption(self, node: Element) -> None:
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if isinstance(node.parent, nodes.container) and node.parent.get('literal_block'):
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self.body.append('.sp\n')
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else:
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super().visit_caption(node)
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def depart_caption(self, node: Element) -> None:
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if isinstance(node.parent, nodes.container) and node.parent.get('literal_block'):
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self.body.append('\n')
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else:
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super().depart_caption(node)
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# overwritten: handle section titles better than in 0.6 release
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def visit_title(self, node: Element) -> None:
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if isinstance(node.parent, addnodes.seealso):
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self.body.append('.IP "')
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return
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elif isinstance(node.parent, nodes.section):
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if self.section_level == 0:
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# skip the document title
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raise nodes.SkipNode
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elif self.section_level == 1:
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self.body.append('.SH %s\n' %
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self.deunicode(node.astext().upper()))
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raise nodes.SkipNode
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return super().visit_title(node)
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def depart_title(self, node: Element) -> None:
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if isinstance(node.parent, addnodes.seealso):
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self.body.append('"\n')
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return
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return super().depart_title(node)
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def visit_raw(self, node: Element) -> None:
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if 'manpage' in node.get('format', '').split():
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self.body.append(node.astext())
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raise nodes.SkipNode
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def visit_meta(self, node: Element) -> None:
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raise nodes.SkipNode
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def visit_inline(self, node: Element) -> None:
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pass
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def depart_inline(self, node: Element) -> None:
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pass
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def visit_math(self, node: Element) -> None:
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pass
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def depart_math(self, node: Element) -> None:
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pass
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def visit_math_block(self, node: Element) -> None:
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self.visit_centered(node)
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def depart_math_block(self, node: Element) -> None:
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self.depart_centered(node)
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def unknown_visit(self, node: Node) -> None:
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raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
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