stem/docs/roles.py
Damian Johnson f6122a12f2 Updating gitweb urls
Our new version of gitweb use a different scheme for its urls.
2014-12-05 13:12:40 -08:00

98 lines
2.6 KiB
Python

import re
from docutils.utils import unescape
from docutils.nodes import reference
from docutils.parsers.rst.roles import set_classes
def role_trac(name, rawtext, text, lineno, inliner, options={}, content=[]):
"""
Aliases :trac:`1234` to 'https://trac.torproject.org/1234'.
:param name: the role name used in the document
:param rawtext: the entire markup snippet, with role
:param text: the text marked with the role
:param lineno: the line number where rawtext appears in the input
:param inliner: the inliner instance that called us
:param options: directive options for customization
:param content: the directive content for customization
"""
# checking if the number is valid
try:
ticket_num = int(text)
if ticket_num <= 0:
raise ValueError
except ValueError:
msg = inliner.reporter.error('Invalid trac ticket: %s' % text, line=lineno)
prb = inliner.problematic(rawtext, rawtext, msg)
return ([prb], [msg])
app = inliner.document.settings.env.app
link_text = 'ticket %s' % unescape(str(ticket_num))
return (
[make_link_node(rawtext, app, 'trac_url', link_text, str(ticket_num), options)],
[],
)
def role_spec(name, rawtext, text, lineno, inliner, options={}, content=[]):
"""
Aliases :spec:`25b0d43` to 'https://gitweb.torproject.org/torspec.git/commit/?id=25b0d43'.
"""
# checking if the input is a valid short commit id
if not re.match('^[0-9a-f]{7}$', text):
msg = inliner.reporter.error('Spec tag expects a short commit id (seven hex characters): %s' % text, line=lineno)
prb = inliner.problematic(rawtext, rawtext, msg)
return ([prb], [msg])
app = inliner.document.settings.env.app
return (
[make_link_node(rawtext, app, 'spec_url', 'spec', text, options)],
[],
)
def make_link_node(rawtext, app, url_type, link_text, slug, options):
"""
Creates a link to a trac ticket.
:param rawtext: text being replaced with link node
:param app: sphinx application context
:param url_type: base for our url
:param link_text: text for the link
:param slug: ID of the thing to link to
:param options: options dictionary passed to role func
"""
base_url = getattr(app.config, url_type, None)
if not base_url:
raise ValueError("'%s' isn't set in our config" % url_type)
ref = base_url.format(slug = slug)
set_classes(options)
return reference(rawtext, link_text, refuri = ref, **options)
def setup(app):
"""
Installs the plugin.
:param app: sphinx application context
"""
app.add_role('trac', role_trac)
app.add_config_value('trac_url', None, 'env')
app.add_role('spec', role_spec)
app.add_config_value('spec_url', None, 'env')