157 lines
4.5 KiB
Python
157 lines
4.5 KiB
Python
# -*- coding: utf-8 -*-
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"""
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pygments.sphinxext
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~~~~~~~~~~~~~~~~~~
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Sphinx extension to generate automatic documentation of lexers,
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formatters and filters.
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:copyright: Copyright 2006-2019 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import sys
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from docutils import nodes
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from docutils.statemachine import ViewList
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from docutils.parsers.rst import Directive
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from sphinx.util.nodes import nested_parse_with_titles
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MODULEDOC = '''
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.. module:: %s
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%s
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%s
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'''
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LEXERDOC = '''
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.. class:: %s
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:Short names: %s
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:Filenames: %s
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:MIME types: %s
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%s
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'''
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FMTERDOC = '''
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.. class:: %s
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:Short names: %s
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:Filenames: %s
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%s
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'''
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FILTERDOC = '''
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.. class:: %s
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:Name: %s
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%s
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'''
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class PygmentsDoc(Directive):
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"""
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A directive to collect all lexers/formatters/filters and generate
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autoclass directives for them.
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"""
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has_content = False
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required_arguments = 1
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optional_arguments = 0
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final_argument_whitespace = False
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option_spec = {}
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def run(self):
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self.filenames = set()
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if self.arguments[0] == 'lexers':
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out = self.document_lexers()
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elif self.arguments[0] == 'formatters':
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out = self.document_formatters()
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elif self.arguments[0] == 'filters':
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out = self.document_filters()
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else:
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raise Exception('invalid argument for "pygmentsdoc" directive')
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node = nodes.compound()
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vl = ViewList(out.split('\n'), source='')
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nested_parse_with_titles(self.state, vl, node)
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for fn in self.filenames:
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self.state.document.settings.record_dependencies.add(fn)
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return node.children
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def document_lexers(self):
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from pygments.lexers._mapping import LEXERS
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out = []
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modules = {}
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moduledocstrings = {}
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for classname, data in sorted(LEXERS.items(), key=lambda x: x[0]):
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module = data[0]
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mod = __import__(module, None, None, [classname])
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self.filenames.add(mod.__file__)
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cls = getattr(mod, classname)
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if not cls.__doc__:
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print("Warning: %s does not have a docstring." % classname)
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docstring = cls.__doc__
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if isinstance(docstring, bytes):
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docstring = docstring.decode('utf8')
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modules.setdefault(module, []).append((
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classname,
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', '.join(data[2]) or 'None',
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', '.join(data[3]).replace('*', '\\*').replace('_', '\\') or 'None',
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', '.join(data[4]) or 'None',
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docstring))
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if module not in moduledocstrings:
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moddoc = mod.__doc__
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if isinstance(moddoc, bytes):
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moddoc = moddoc.decode('utf8')
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moduledocstrings[module] = moddoc
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for module, lexers in sorted(modules.items(), key=lambda x: x[0]):
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if moduledocstrings[module] is None:
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raise Exception("Missing docstring for %s" % (module,))
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heading = moduledocstrings[module].splitlines()[4].strip().rstrip('.')
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out.append(MODULEDOC % (module, heading, '-'*len(heading)))
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for data in lexers:
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out.append(LEXERDOC % data)
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return ''.join(out)
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def document_formatters(self):
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from pygments.formatters import FORMATTERS
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out = []
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for classname, data in sorted(FORMATTERS.items(), key=lambda x: x[0]):
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module = data[0]
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mod = __import__(module, None, None, [classname])
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self.filenames.add(mod.__file__)
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cls = getattr(mod, classname)
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docstring = cls.__doc__
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if isinstance(docstring, bytes):
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docstring = docstring.decode('utf8')
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heading = cls.__name__
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out.append(FMTERDOC % (heading, ', '.join(data[2]) or 'None',
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', '.join(data[3]).replace('*', '\\*') or 'None',
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docstring))
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return ''.join(out)
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def document_filters(self):
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from pygments.filters import FILTERS
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out = []
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for name, cls in FILTERS.items():
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self.filenames.add(sys.modules[cls.__module__].__file__)
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docstring = cls.__doc__
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if isinstance(docstring, bytes):
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docstring = docstring.decode('utf8')
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out.append(FILTERDOC % (cls.__name__, name, docstring))
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return ''.join(out)
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def setup(app):
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app.add_directive('pygmentsdoc', PygmentsDoc)
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