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| """ | |
| pygments.sphinxext | |
| ~~~~~~~~~~~~~~~~~~ | |
| Sphinx extension to generate automatic documentation of lexers, | |
| formatters and filters. | |
| :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS. | |
| :license: BSD, see LICENSE for details. | |
| """ | |
| import sys | |
| from docutils import nodes | |
| from docutils.statemachine import ViewList | |
| from docutils.parsers.rst import Directive | |
| from sphinx.util.nodes import nested_parse_with_titles | |
| MODULEDOC = ''' | |
| .. module:: %s | |
| %s | |
| %s | |
| ''' | |
| LEXERDOC = ''' | |
| .. class:: %s | |
| :Short names: %s | |
| :Filenames: %s | |
| :MIME types: %s | |
| %s | |
| ''' | |
| FMTERDOC = ''' | |
| .. class:: %s | |
| :Short names: %s | |
| :Filenames: %s | |
| %s | |
| ''' | |
| FILTERDOC = ''' | |
| .. class:: %s | |
| :Name: %s | |
| %s | |
| ''' | |
| class PygmentsDoc(Directive): | |
| """ | |
| A directive to collect all lexers/formatters/filters and generate | |
| autoclass directives for them. | |
| """ | |
| has_content = False | |
| required_arguments = 1 | |
| optional_arguments = 0 | |
| final_argument_whitespace = False | |
| option_spec = {} | |
| def run(self): | |
| self.filenames = set() | |
| if self.arguments[0] == 'lexers': | |
| out = self.document_lexers() | |
| elif self.arguments[0] == 'formatters': | |
| out = self.document_formatters() | |
| elif self.arguments[0] == 'filters': | |
| out = self.document_filters() | |
| else: | |
| raise Exception('invalid argument for "pygmentsdoc" directive') | |
| node = nodes.compound() | |
| vl = ViewList(out.split('\n'), source='') | |
| nested_parse_with_titles(self.state, vl, node) | |
| for fn in self.filenames: | |
| self.state.document.settings.record_dependencies.add(fn) | |
| return node.children | |
| def document_lexers(self): | |
| from pip._vendor.pygments.lexers._mapping import LEXERS | |
| out = [] | |
| modules = {} | |
| moduledocstrings = {} | |
| for classname, data in sorted(LEXERS.items(), key=lambda x: x[0]): | |
| module = data[0] | |
| mod = __import__(module, None, None, [classname]) | |
| self.filenames.add(mod.__file__) | |
| cls = getattr(mod, classname) | |
| if not cls.__doc__: | |
| print("Warning: %s does not have a docstring." % classname) | |
| docstring = cls.__doc__ | |
| if isinstance(docstring, bytes): | |
| docstring = docstring.decode('utf8') | |
| modules.setdefault(module, []).append(( | |
| classname, | |
| ', '.join(data[2]) or 'None', | |
| ', '.join(data[3]).replace('*', '\\*').replace('_', '\\') or 'None', | |
| ', '.join(data[4]) or 'None', | |
| docstring)) | |
| if module not in moduledocstrings: | |
| moddoc = mod.__doc__ | |
| if isinstance(moddoc, bytes): | |
| moddoc = moddoc.decode('utf8') | |
| moduledocstrings[module] = moddoc | |
| for module, lexers in sorted(modules.items(), key=lambda x: x[0]): | |
| if moduledocstrings[module] is None: | |
| raise Exception("Missing docstring for %s" % (module,)) | |
| heading = moduledocstrings[module].splitlines()[4].strip().rstrip('.') | |
| out.append(MODULEDOC % (module, heading, '-'*len(heading))) | |
| for data in lexers: | |
| out.append(LEXERDOC % data) | |
| return ''.join(out) | |
| def document_formatters(self): | |
| from pip._vendor.pygments.formatters import FORMATTERS | |
| out = [] | |
| for classname, data in sorted(FORMATTERS.items(), key=lambda x: x[0]): | |
| module = data[0] | |
| mod = __import__(module, None, None, [classname]) | |
| self.filenames.add(mod.__file__) | |
| cls = getattr(mod, classname) | |
| docstring = cls.__doc__ | |
| if isinstance(docstring, bytes): | |
| docstring = docstring.decode('utf8') | |
| heading = cls.__name__ | |
| out.append(FMTERDOC % (heading, ', '.join(data[2]) or 'None', | |
| ', '.join(data[3]).replace('*', '\\*') or 'None', | |
| docstring)) | |
| return ''.join(out) | |
| def document_filters(self): | |
| from pip._vendor.pygments.filters import FILTERS | |
| out = [] | |
| for name, cls in FILTERS.items(): | |
| self.filenames.add(sys.modules[cls.__module__].__file__) | |
| docstring = cls.__doc__ | |
| if isinstance(docstring, bytes): | |
| docstring = docstring.decode('utf8') | |
| out.append(FILTERDOC % (cls.__name__, name, docstring)) | |
| return ''.join(out) | |
| def setup(app): | |
| app.add_directive('pygmentsdoc', PygmentsDoc) | |