| # -*- coding: utf-8 -*- |
| """ |
| pyspecific.py |
| ~~~~~~~~~~~~~ |
| |
| Sphinx extension with Python doc-specific markup. |
| |
| :copyright: 2008-2014 by Georg Brandl. |
| :license: Python license. |
| """ |
| |
| ISSUE_URI = 'http://bugs.python.org/issue%s' |
| SOURCE_URI = 'http://hg.python.org/cpython/file/default/%s' |
| |
| from docutils import nodes, utils |
| |
| import sphinx |
| from sphinx.util.nodes import split_explicit_title |
| from sphinx.util.compat import Directive |
| from sphinx.writers.html import HTMLTranslator |
| from sphinx.writers.latex import LaTeXTranslator |
| from sphinx.locale import versionlabels |
| |
| # 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 |
| |
| SPHINX11 = sphinx.__version__[:3] < '1.2' |
| |
| if SPHINX11: |
| # 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) |
| HTMLTranslator.visit_versionmodified = new_visit_versionmodified |
| |
| # monkey-patch HTML and LaTeX translators to keep doctest blocks in the |
| # doctest docs themselves |
| orig_visit_literal_block = HTMLTranslator.visit_literal_block |
| def new_visit_literal_block(self, node): |
| meta = self.builder.env.metadata[self.builder.current_docname] |
| old_trim_doctest_flags = self.highlighter.trim_doctest_flags |
| if 'keepdoctest' in meta: |
| self.highlighter.trim_doctest_flags = False |
| try: |
| orig_visit_literal_block(self, node) |
| finally: |
| self.highlighter.trim_doctest_flags = old_trim_doctest_flags |
| |
| HTMLTranslator.visit_literal_block = new_visit_literal_block |
| |
| orig_depart_literal_block = LaTeXTranslator.depart_literal_block |
| def new_depart_literal_block(self, node): |
| meta = self.builder.env.metadata[self.curfilestack[-1]] |
| old_trim_doctest_flags = self.highlighter.trim_doctest_flags |
| if 'keepdoctest' in meta: |
| self.highlighter.trim_doctest_flags = False |
| try: |
| orig_depart_literal_block(self, node) |
| finally: |
| self.highlighter.trim_doctest_flags = old_trim_doctest_flags |
| |
| LaTeXTranslator.depart_literal_block = new_depart_literal_block |
| |
| # 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 linking to Python source files easily |
| |
| def source_role(typ, rawtext, text, lineno, inliner, options={}, content=[]): |
| has_t, title, target = split_explicit_title(text) |
| title = utils.unescape(title) |
| target = utils.unescape(target) |
| refnode = nodes.reference(title, title, refuri=SOURCE_URI % target) |
| return [refnode], [] |
| |
| |
| # Support for marking up implementation details |
| |
| 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 documenting decorators |
| |
| from sphinx import addnodes |
| from sphinx.domains.python import PyModulelevel, PyClassmember |
| |
| class PyDecoratorMixin(object): |
| def handle_signature(self, sig, signode): |
| ret = super(PyDecoratorMixin, self).handle_signature(sig, signode) |
| signode.insert(0, addnodes.desc_addname('@', '@')) |
| return ret |
| |
| def needs_arglist(self): |
| return False |
| |
| class PyDecoratorFunction(PyDecoratorMixin, PyModulelevel): |
| def run(self): |
| # a decorator function is a function after all |
| self.name = 'py:function' |
| return PyModulelevel.run(self) |
| |
| class PyDecoratorMethod(PyDecoratorMixin, PyClassmember): |
| def run(self): |
| self.name = 'py:method' |
| return PyClassmember.run(self) |
| |
| |
| # Support for documenting version of removal in deprecations |
| |
| class DeprecatedRemoved(Directive): |
| has_content = True |
| required_arguments = 2 |
| optional_arguments = 1 |
| final_argument_whitespace = True |
| option_spec = {} |
| |
| _label = 'Deprecated since version %s, will be removed in version %s' |
| |
| def run(self): |
| node = addnodes.versionmodified() |
| node.document = self.state.document |
| node['type'] = 'deprecated-removed' |
| version = (self.arguments[0], self.arguments[1]) |
| node['version'] = version |
| text = self._label % version |
| if len(self.arguments) == 3: |
| inodes, messages = self.state.inline_text(self.arguments[2], |
| self.lineno+1) |
| para = nodes.paragraph(self.arguments[2], '', *inodes) |
| node.append(para) |
| else: |
| messages = [] |
| if self.content: |
| self.state.nested_parse(self.content, self.content_offset, node) |
| if isinstance(node[0], nodes.paragraph) and node[0].rawsource: |
| content = nodes.inline(node[0].rawsource, translatable=True) |
| content.source = node[0].source |
| content.line = node[0].line |
| content += node[0].children |
| node[0].replace_self(nodes.paragraph('', '', content)) |
| if not SPHINX11: |
| node[0].insert(0, nodes.inline('', '%s: ' % text, |
| classes=['versionmodified'])) |
| elif not SPHINX11: |
| para = nodes.paragraph('', '', |
| nodes.inline('', '%s.' % text, classes=['versionmodified'])) |
| node.append(para) |
| env = self.state.document.settings.env |
| env.note_versionchange('deprecated', version[0], node, self.lineno) |
| return [node] + messages |
| |
| # for Sphinx < 1.2 |
| versionlabels['deprecated-removed'] = DeprecatedRemoved._label |
| |
| |
| # Support for including Misc/NEWS |
| |
| import re |
| import codecs |
| |
| issue_re = re.compile('([Ii])ssue #([0-9]+)') |
| whatsnew_re = re.compile(r"(?im)^what's new in (.*?)\??$") |
| |
| class MiscNews(Directive): |
| has_content = False |
| required_arguments = 1 |
| optional_arguments = 0 |
| final_argument_whitespace = False |
| option_spec = {} |
| |
| def run(self): |
| fname = self.arguments[0] |
| source = self.state_machine.input_lines.source( |
| self.lineno - self.state_machine.input_offset - 1) |
| source_dir = path.dirname(path.abspath(source)) |
| fpath = path.join(source_dir, fname) |
| self.state.document.settings.record_dependencies.add(fpath) |
| try: |
| fp = codecs.open(fpath, encoding='utf-8') |
| try: |
| content = fp.read() |
| finally: |
| fp.close() |
| except Exception: |
| text = 'The NEWS file is not available.' |
| node = nodes.strong(text, text) |
| return [node] |
| content = issue_re.sub(r'`\1ssue #\2 <http://bugs.python.org/\2>`__', |
| content) |
| content = whatsnew_re.sub(r'\1', content) |
| # remove first 3 lines as they are the main heading |
| lines = ['.. default-role:: obj', ''] + content.splitlines()[3:] |
| self.state_machine.insert_input(lines, fname) |
| return [] |
| |
| |
| # 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', 'nonlocal', '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.domaindata['std']['labels']: |
| self.warn('label %r not in documentation' % label) |
| continue |
| docname, labelid, sectname = self.env.domaindata['std']['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] = writer.output.encode('utf-8') |
| |
| def finish(self): |
| f = open(path.join(self.outdir, 'topics.py'), 'w') |
| try: |
| f.write('# -*- coding: utf-8 -*-\n') |
| 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 |
| |
| 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() |
| |
| |
| # Support for documenting pdb commands |
| |
| pdbcmd_sig_re = re.compile(r'([a-z()!]+)\s*(.*)') |
| |
| # later... |
| #pdbargs_tokens_re = re.compile(r'''[a-zA-Z]+ | # identifiers |
| # [.,:]+ | # punctuation |
| # [\[\]()] | # parens |
| # \s+ # whitespace |
| # ''', re.X) |
| |
| def parse_pdb_command(env, sig, signode): |
| """Transform a pdb command signature into RST nodes.""" |
| m = pdbcmd_sig_re.match(sig) |
| if m is None: |
| raise ValueError |
| name, args = m.groups() |
| fullname = name.replace('(', '').replace(')', '') |
| signode += addnodes.desc_name(name, name) |
| if args: |
| signode += addnodes.desc_addname(' '+args, ' '+args) |
| return fullname |
| |
| |
| def setup(app): |
| app.add_role('issue', issue_role) |
| app.add_role('source', source_role) |
| app.add_directive('impl-detail', ImplementationDetail) |
| app.add_directive('deprecated-removed', DeprecatedRemoved) |
| app.add_builder(PydocTopicsBuilder) |
| app.add_builder(suspicious.CheckSuspiciousMarkupBuilder) |
| app.add_description_unit('opcode', 'opcode', '%s (opcode)', |
| parse_opcode_signature) |
| app.add_description_unit('pdbcommand', 'pdbcmd', '%s (pdb command)', |
| parse_pdb_command) |
| app.add_description_unit('2to3fixer', '2to3fixer', '%s (2to3 fixer)') |
| app.add_directive_to_domain('py', 'decorator', PyDecoratorFunction) |
| app.add_directive_to_domain('py', 'decoratormethod', PyDecoratorMethod) |
| app.add_directive('miscnews', MiscNews) |