[Python-checkins] Fix broken `Show Source` links on documentation pages (GH-3113)

[Mariatta]

https://github.com/python/cpython/commit/b9ff498793611d1c6a9b99df464812931a1e2d69
commit: b9ff498793611d1c6a9b99df464812931a1e2d69
branch: master
author: Elmar Ritsch <35851+elritsch at users.noreply.github.com>
committer: Mariatta <Mariatta at users.noreply.github.com>
date: 2017-08-17T20:23:51-07:00
summary:

Fix broken `Show Source` links on documentation pages (GH-3113)

The `Show Source` was broken because of a change made in sphinx 1.5.1
In Sphinx 1.4.9, the sourcename was "index.txt".
In Sphinx 1.5.1+, it is now "index.rst.txt"

files:
M Doc/tools/templates/customsourcelink.html

diff --git a/Doc/tools/templates/customsourcelink.html b/Doc/tools/templates/customsourcelink.html
index 42172909cae..fca44e9163c 100644
--- a/Doc/tools/templates/customsourcelink.html
+++ b/Doc/tools/templates/customsourcelink.html
@@ -4,7 +4,7 @@
     <ul class="this-page-menu">
       <li><a href="{{ pathto('bugs') }}">{% trans %}Report a Bug{% endtrans %}</a></li>
       <li>
-        <a href="https://github.com/python/cpython/blob/master/Doc/{{ sourcename|replace('txt', 'rst') }}"
+        <a href="https://github.com/python/cpython/blob/master/Doc/{{ sourcename|replace('.rst.txt', '.rst') }}"
             rel="nofollow">{{ _('Show Source') }}
         </a>
       </li>