import inspect import importlib import os.path from werkzeug import urls from flectra.tools import pycompat """ * adds github_link(mode) context variable: provides URL (in relevant mode) of current document on github * if sphinx.ext.linkcode is enabled, automatically generates github linkcode links (by setting config.linkcode_resolve) Settings ======== * ``github_user``, username/organisation under which the project lives * ``github_project``, name of the project on github * (optional) ``version``, github branch to link to (default: master) Notes ===== * provided ``linkcode_resolve`` only supports Python domain * generates https github links * explicitly imports ``flectra``, so useless for anyone else """ def setup(app): app.add_config_value('github_user', None, 'env') app.add_config_value('github_project', None, 'env') app.connect('html-page-context', add_doc_link) def linkcode_resolve(domain, info): """ Resolves provided object to corresponding github URL """ # TODO: js? if domain != 'py': return None if not (app.config.github_user and app.config.github_project): return None module, fullname = info['module'], info['fullname'] # TODO: attributes/properties don't have modules, maybe try to look # them up based on their cached host object? if not module: return None obj = importlib.import_module(module) for item in fullname.split('.'): obj = getattr(obj, item, None) if obj is None: return None # get original from decorated methods try: obj = getattr(obj, '_orig') except AttributeError: pass try: obj_source_path = inspect.getsourcefile(obj) _, line = inspect.getsourcelines(obj) except (TypeError, IOError): # obj doesn't have a module, or something return None import flectra # FIXME: make finding project root project-independent project_root = os.path.join(os.path.dirname(flectra.__file__), '..') return make_github_link( app, os.path.relpath(obj_source_path, project_root), line) app.config.linkcode_resolve = linkcode_resolve def make_github_link(app, path, line=None, mode="blob"): config = app.config urlpath = "/{user}/{project}/{mode}/{branch}/{path}".format( user=config.github_user, project=config.github_project, branch=config.version or 'master', path=path, mode=mode, ) return urls.url_unparse(( 'https', 'github.com', urlpath, '', '' if line is None else 'L%d' % line )) def add_doc_link(app, pagename, templatename, context, doctree): """ Add github_link function linking to the current page on github """ if not app.config.github_user and app.config.github_project: return # FIXME: find other way to recover current document's source suffix # in Sphinx 1.3 it's possible to have mutliple source suffixes and that # may be useful in the future source_suffix = app.config.source_suffix source_suffix = source_suffix if isinstance(source_suffix, pycompat.string_types) else source_suffix[0] # can't use functools.partial because 3rd positional is line not mode context['github_link'] = lambda mode='edit': make_github_link( app, 'doc/%s%s' % (pagename, source_suffix), mode=mode)