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