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-rw-r--r--doc/conf.py4
-rw-r--r--doc/ext/extlinks.rst47
-rw-r--r--doc/extensions.rst1
3 files changed, 51 insertions, 1 deletions
diff --git a/doc/conf.py b/doc/conf.py
index be79c8f9..29c21b4f 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -7,7 +7,9 @@ import sys, os, re
# Add any Sphinx extension module names here, as strings. They can be extensions
# coming with Sphinx (named 'sphinx.addons.*') or your custom ones.
extensions = ['sphinx.ext.autodoc', 'sphinx.ext.doctest', 'sphinx.ext.todo',
- 'sphinx.ext.autosummary']
+ 'sphinx.ext.autosummary', 'sphinx.ext.extlinks']
+
+extlinks = {'issue': ('http://bugs.python.org/issue', 'issue ')}
# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']
diff --git a/doc/ext/extlinks.rst b/doc/ext/extlinks.rst
new file mode 100644
index 00000000..e3685498
--- /dev/null
+++ b/doc/ext/extlinks.rst
@@ -0,0 +1,47 @@
+:mod:`sphinx.ext.extlinks` -- Markup to shorten external links
+==============================================================
+
+.. module:: sphinx.ext.extlinks
+ :synopsis: Allow inserting external links with common base URLs easily.
+.. moduleauthor:: Georg Brandl
+
+.. versionadded:: 1.0
+
+
+This extension is meant to help with the common pattern of having many external
+links that point to URLs on one and the same site, e.g. links to bug trackers,
+version control web interfaces, or simply subpages in other websites. It does
+so by providing aliases to base URLs, so that you only need to give the subpage
+name when creating a link.
+
+Let's assume that you want to include many links to issues at the Sphinx
+tracker, at :samp:`http://bitbucket.org/birkenfeld/sphinx/issue/{num}`. Typing
+this URL again and again is tedious, so you can use :mod:`~sphinx.ext.extlinks`
+to avoid repeating yourself.
+
+The extension adds one new config value:
+
+.. confval:: extlinks
+
+ This config value must be a dictionary of external sites, mapping unique
+ short alias names to a base URL and a *prefix*. For example, to create an
+ alias for the above mentioned issues, you would add ::
+
+ extlinks = {'issue': ('http://bitbucket.org/birkenfeld/sphinx/issue/',
+ 'issue ')}
+
+ Now, you can use the alias name as a new role, e.g. ``:issue:`123```. This
+ then inserts a link to http://bitbucket.org/birkenfeld/sphinx/issue/123.
+
+ The link *caption* depends on the second item in the tuple, the *prefix*:
+
+ - If the prefix is ``None``, the link caption is the full URL.
+ - If the prefix is the empty string, the link caption is the partial URL
+ given in the role content (``123`` in this case.)
+ - If the prefix is a non-empty string, the link caption is the partial URL,
+ prepended by the prefix -- in the above example, the link caption would be
+ ``issue 123``.
+
+ You can also use the usual "explicit title" syntax supported by other roles
+ that generate links, i.e. ``:issue:`this issue <123>`. In this case, the
+ *prefix* is not relevant.
diff --git a/doc/extensions.rst b/doc/extensions.rst
index 5eb26c14..0bc9b5b7 100644
--- a/doc/extensions.rst
+++ b/doc/extensions.rst
@@ -51,6 +51,7 @@ These extensions are built in and can be activated by respective entries in the
ext/ifconfig
ext/coverage
ext/todo
+ ext/extlinks
Third-party extensions