OVMS3-idf/docs/idf_extensions/link_roles.py
2020-02-07 16:47:50 +11:00

79 lines
3.2 KiB
Python

# based on http://protips.readthedocs.io/link-roles.html
from __future__ import print_function
from __future__ import unicode_literals
import re
import os
import subprocess
from docutils import nodes
def get_github_rev():
path = subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD']).strip().decode('utf-8')
try:
tag = subprocess.check_output(['git', 'describe', '--exact-match']).strip().decode('utf-8')
except subprocess.CalledProcessError:
tag = None
print('Git commit ID: ', path)
if tag:
print('Git tag: ', tag)
return tag
return path
def setup(app):
rev = get_github_rev()
# links to files or folders on the GitHub
baseurl = 'https://github.com/espressif/esp-idf'
app.add_role('idf', autolink('{}/tree/{}/%s'.format(baseurl, rev)))
app.add_role('idf_file', autolink('{}/blob/{}/%s'.format(baseurl, rev)))
app.add_role('idf_raw', autolink('{}/raw/{}/%s'.format(baseurl, rev)))
app.add_role('component', autolink('{}/tree/{}/components/%s'.format(baseurl, rev)))
app.add_role('component_file', autolink('{}/blob/{}/components/%s'.format(baseurl, rev)))
app.add_role('component_raw', autolink('{}/raw/{}/components/%s'.format(baseurl, rev)))
app.add_role('example', autolink('{}/tree/{}/examples/%s'.format(baseurl, rev)))
app.add_role('example_file', autolink('{}/blob/{}/examples/%s'.format(baseurl, rev)))
app.add_role('example_raw', autolink('{}/raw/{}/examples/%s'.format(baseurl, rev)))
# link to the current documentation file in specific language version
on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
if on_rtd:
# provide RTD specific commit identification to be included in the link
tag_rev = 'latest'
if (subprocess.check_output(['git','rev-parse', '--short', 'HEAD']).decode('utf-8').strip() != rev):
tag_rev = rev
else:
# if not on the RTD then provide generic identification
tag_rev = subprocess.check_output(['git', 'describe', '--always']).decode('utf-8').strip()
app.add_role('link_to_translation', crosslink('%s../../%s/{}/%s.html'.format(tag_rev)))
return {'parallel_read_safe': True, 'parallel_write_safe': True, 'version': '0.1'}
def autolink(pattern):
def role(name, rawtext, text, lineno, inliner, options={}, content=[]):
m = re.search('(.*)\s*<(.*)>', text) # noqa: W605 - regular expression
if m:
link_text = m.group(1)
link = m.group(2)
else:
link_text = text
link = text
url = pattern % (link,)
node = nodes.reference(rawtext, link_text, refuri=url, **options)
return [node], []
return role
def crosslink(pattern):
def role(name, rawtext, text, lineno, inliner, options={}, content=[]):
(language, link_text) = text.split(':')
docname = inliner.document.settings.env.docname
doc_path = inliner.document.settings.env.doc2path(docname, None, None)
return_path = '../' * doc_path.count('/')
url = pattern % (return_path, language, docname)
node = nodes.reference(rawtext, link_text, refuri=url, **options)
return [node], []
return role