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Created July 22, 2013 10:37
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HOWTO add "Show on GitHub" and "Edit on GitHub" links to the Sphinx sidebar

Edit on GitHub links for Sphinx

Create _ext/ and _templates/ subdirectories.

Move into the _ext/ subdirectory.

Move sourcelink.html into the _templates/ subdirectory.

Add the following after the import sys, os line :

sys.path.insert(0, os.path.abspath('_ext'))

Add edit_on_github to the list of extensions :

extensions = ['edit_on_github']

Configure the extension :

edit_on_github_project = 'username/reponame'
edit_on_github_branch = 'master'

Make sure the template path is specified correctly :

templates_path = ['_templates']
Sphinx extension to add ReadTheDocs-style "Edit on GitHub" links to the
Loosely based on
import os
import warnings
__licence__ = 'BSD (3 clause)'
def get_github_url(app, view, path):
return '{project}/{view}/{branch}/{path}'.format(
def html_page_context(app, pagename, templatename, context, doctree):
if templatename != 'page.html':
if not app.config.edit_on_github_project:
warnings.warn("edit_on_github_project not specified")
path = os.path.relpath(doctree.get('source'), app.builder.srcdir)
show_url = get_github_url(app, 'blob', path)
edit_url = get_github_url(app, 'edit', path)
context['show_on_github_url'] = show_url
context['edit_on_github_url'] = edit_url
def setup(app):
app.add_config_value('edit_on_github_project', '', True)
app.add_config_value('edit_on_github_branch', 'master', True)
app.connect('html-page-context', html_page_context)
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tk0miya commented May 28, 2016

It seems this extension has conflicted with sphinx.ext.viewcode.
_module/index.html is generated as a index of modules if you use sphinx.ext.viewcode. But it causes the error in edit_on_github because the page does not have doctree.
ref: sphinx-doc/sphinx#2506

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sgala commented Jul 24, 2016

add something like

if not doctree: return

before the definition of path. There will be no "edit" or "source" link in pages that have no doctree

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I'm using this for a custom need but I'm using a custom theme, how can I get the links to show up?

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