powerline/docs/source/powerline_autodoc.py

65 lines
1.8 KiB
Python

# vim:fileencoding=utf-8:noet
from __future__ import (unicode_literals, division, absolute_import, print_function)
import os
from inspect import formatargspec
from sphinx.ext import autodoc
from powerline.lint.inspect import getconfigargspec
from powerline.segments import Segment
from powerline.lib.unicode import unicode
def formatvalue(val):
if type(val) is str:
return '="' + unicode(val, 'utf-8').replace('"', '\\"').replace('\\', '\\\\') + '"'
else:
return '=' + repr(val)
class ThreadedDocumenter(autodoc.FunctionDocumenter):
'''Specialized documenter subclass for ThreadedSegment subclasses.'''
@classmethod
def can_document_member(cls, member, membername, isattr, parent):
return (isinstance(member, Segment) or
super(ThreadedDocumenter, cls).can_document_member(member, membername, isattr, parent))
def format_args(self):
argspec = getconfigargspec(self.object)
return formatargspec(*argspec, formatvalue=formatvalue).replace('\\', '\\\\')
class Repr(object):
def __init__(self, repr_contents):
self.repr_contents = repr_contents
def __repr__(self):
return '<{0}>'.format(self.repr_contents)
class EnvironDocumenter(autodoc.AttributeDocumenter):
@classmethod
def can_document_member(cls, member, membername, isattr, parent):
if type(member) is dict and member.get('environ') is os.environ:
return True
else:
return False
def import_object(self, *args, **kwargs):
ret = super(EnvironDocumenter, self).import_object(*args, **kwargs)
if not ret:
return ret
self.object = self.object.copy()
if 'home' in self.object:
self.object.update(home=Repr('home directory'))
self.object.update(environ=Repr('environ dictionary'))
return True
def setup(app):
autodoc.setup(app)
app.add_autodocumenter(ThreadedDocumenter)
app.add_autodocumenter(EnvironDocumenter)