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# -*- coding: utf-8 -*-
"""
pyspecific.py
~~~~~~~~~~~~~
Sphinx extension with Python doc-specific markup.
:copyright: 2008, 2009, 2010 by Georg Brandl.
:license: Python license.
"""
ISSUE_URI = 'http://bugs.python.org/issue%s'
from docutils import nodes, utils
# monkey-patch reST parser to disable alphabetic and roman enumerated lists
from docutils.parsers.rst.states import Body
Body.enum.converters['loweralpha'] = \
Body.enum.converters['upperalpha'] = \
Body.enum.converters['lowerroman'] = \
Body.enum.converters['upperroman'] = lambda x: None
# monkey-patch HTML translator to give versionmodified paragraphs a class
def new_visit_versionmodified(self, node):
self.body.append(self.starttag(node, 'p', CLASS=node['type']))
text = versionlabels[node['type']] % node['version']
if len(node):
text += ': '
else:
text += '.'
self.body.append('<span class="versionmodified">%s</span>' % text)
from sphinx.writers.html import HTMLTranslator
from sphinx.locale import versionlabels
HTMLTranslator.visit_versionmodified = new_visit_versionmodified
# Support for marking up and linking to bugs.python.org issues
def issue_role(typ, rawtext, text, lineno, inliner, options={}, content=[]):
issue = utils.unescape(text)
text = 'issue ' + issue
refnode = nodes.reference(text, text, refuri=ISSUE_URI % issue)
return [refnode], []
# Support for marking up implementation details
from sphinx.util.compat import Directive
class ImplementationDetail(Directive):
has_content = True
required_arguments = 0
optional_arguments = 1
final_argument_whitespace = True
def run(self):
pnode = nodes.compound(classes=['impl-detail'])
content = self.content
add_text = nodes.strong('CPython implementation detail:',
'CPython implementation detail:')
if self.arguments:
n, m = self.state.inline_text(self.arguments[0], self.lineno)
pnode.append(nodes.paragraph('', '', *(n + m)))
self.state.nested_parse(content, self.content_offset, pnode)
if pnode.children and isinstance(pnode[0], nodes.paragraph):
pnode[0].insert(0, add_text)
pnode[0].insert(1, nodes.Text(' '))
else:
pnode.insert(0, nodes.paragraph('', '', add_text))
return [pnode]
# Support for building "topic help" for pydoc
pydoc_topic_labels = [
'assert', 'assignment', 'atom-identifiers', 'atom-literals',
'attribute-access', 'attribute-references', 'augassign', 'binary',
'bitwise', 'bltin-code-objects', 'bltin-ellipsis-object',
'bltin-null-object', 'bltin-type-objects', 'booleans',
'break', 'callable-types', 'calls', 'class', 'comparisons', 'compound',
'context-managers', 'continue', 'conversions', 'customization', 'debugger',
'del', 'dict', 'dynamic-features', 'else', 'exceptions', 'execmodel',
'exprlists', 'floating', 'for', 'formatstrings', 'function', 'global',
'id-classes', 'identifiers', 'if', 'imaginary', 'import', 'in', 'integers',
'lambda', 'lists', 'naming', 'numbers', 'numeric-types', 'objects',
'operator-summary', 'pass', 'power', 'raise', 'return', 'sequence-types',
'shifting', 'slicings', 'specialattrs', 'specialnames', 'string-methods',
'strings', 'subscriptions', 'truth', 'try', 'types', 'typesfunctions',
'typesmapping', 'typesmethods', 'typesmodules', 'typesseq',
'typesseq-mutable', 'unary', 'while', 'with', 'yield'
]
from os import path
from time import asctime
from pprint import pformat
from docutils.io import StringOutput
from docutils.utils import new_document
from sphinx.builders import Builder
from sphinx.writers.text import TextWriter
class PydocTopicsBuilder(Builder):
name = 'pydoc-topics'
def init(self):
self.topics = {}
def get_outdated_docs(self):
return 'all pydoc topics'
def get_target_uri(self, docname, typ=None):
return '' # no URIs
def write(self, *ignored):
writer = TextWriter(self)
for label in self.status_iterator(pydoc_topic_labels,
'building topics... ',
length=len(pydoc_topic_labels)):
if label not in self.env.labels:
self.warn('label %r not in documentation' % label)
continue
docname, labelid, sectname = self.env.labels[label]
doctree = self.env.get_and_resolve_doctree(docname, self)
document = new_document('<section node>')
document.append(doctree.ids[labelid])
destination = StringOutput(encoding='utf-8')
writer.write(document, destination)
self.topics[label] = str(writer.output)
def finish(self):
f = open(path.join(self.outdir, 'topics.py'), 'w')
try:
f.write('# Autogenerated by Sphinx on %s\n' % asctime())
f.write('topics = ' + pformat(self.topics) + '\n')
finally:
f.close()
# Support for checking for suspicious markup
import suspicious
# Support for documenting Opcodes
import re
from sphinx import addnodes
opcode_sig_re = re.compile(r'(\w+(?:\+\d)?)(?:\s*\((.*)\))?')
def parse_opcode_signature(env, sig, signode):
"""Transform an opcode signature into RST nodes."""
m = opcode_sig_re.match(sig)
if m is None:
raise ValueError
opname, arglist = m.groups()
signode += addnodes.desc_name(opname, opname)
if arglist is not None:
paramlist = addnodes.desc_parameterlist()
signode += paramlist
paramlist += addnodes.desc_parameter(arglist, arglist)
return opname.strip()
def setup(app):
app.add_role('issue', issue_role)
app.add_directive('impl-detail', ImplementationDetail)
app.add_builder(PydocTopicsBuilder)
app.add_builder(suspicious.CheckSuspiciousMarkupBuilder)
app.add_description_unit('opcode', 'opcode', '%s (opcode)',
parse_opcode_signature)
app.add_description_unit('2to3fixer', '2to3fixer', '%s (2to3 fixer)')
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