Closes #1735: Use https://doc.python.org/ instead of `http protocol. It was used for sphinx.ext.intersphinx` and some documentation.

doc/_templates/index.html

@@ -12,7 +12,7 @@
   <p>{%trans%}
     Sphinx is a tool that makes it easy to create intelligent and beautiful
     documentation, written by Georg Brandl and licensed under the BSD license.{%endtrans%}</p>
-  <p>{%trans%}It was originally created for <a href="http://docs.python.org/">the
+  <p>{%trans%}It was originally created for <a href="https://docs.python.org/">the
     new Python documentation</a>, and it has excellent facilities for the
     documentation of Python projects, but C/C++ is already supported as well,
     and it is planned to add special support for other languages as well.  Of

doc/conf.py

@@ -84,7 +84,7 @@ texinfo_documents = [
 
 # We're not using intersphinx right now, but if we did, this would be part of
 # the mapping:
-intersphinx_mapping = {'python': ('http://docs.python.org/2/', None)}
+intersphinx_mapping = {'python': ('https://docs.python.org/2/', None)}
 
 # Sphinx document translation with sphinx gettext feature uses these settings:
 locale_dirs = ['locale/']

doc/config.rst

@@ -768,7 +768,7 @@ that use Sphinx's HTMLWriter class.
    output, and all pages will contain a ``<link>`` tag referring to it.  Since
    OpenSearch doesn't support relative URLs for its search page location, the
    value of this option must be the base URL from which these documents are
-   served (without trailing slash), e.g. ``"http://docs.python.org"``.  The
+   served (without trailing slash), e.g. ``"https://docs.python.org"``.  The
    default is ``''``.
 
 .. confval:: html_file_suffix

doc/ext/intersphinx.rst

@@ -84,7 +84,7 @@ linking:
    To add links to modules and objects in the Python standard library
    documentation, use::
 
-      intersphinx_mapping = {'python': ('http://docs.python.org/3.4', None)}
+      intersphinx_mapping = {'python': ('https://docs.python.org/3.4', None)}
 
    This will download the corresponding :file:`objects.inv` file from the
    Internet and generate links to the pages under the given URI.  The downloaded
@@ -94,12 +94,12 @@ linking:
    A second example, showing the meaning of a non-``None`` value of the second
    tuple item::
 
-      intersphinx_mapping = {'python': ('http://docs.python.org/3.4',
+      intersphinx_mapping = {'python': ('https://docs.python.org/3.4',
                                         'python-inv.txt')}
 
    This will read the inventory from :file:`python-inv.txt` in the source
    directory, but still generate links to the pages under
-   ``http://docs.python.org/3.4``.  It is up to you to update the inventory file
+   ``https://docs.python.org/3.4``.  It is up to you to update the inventory file
    as new objects are added to the Python documentation.
 
    **Multiple target for the inventory**
@@ -113,7 +113,7 @@ linking:
    this to specify mirror sites for server downtime of the primary
    inventory::
 
-      intersphinx_mapping = {'python': ('http://docs.python.org/3.4',
+      intersphinx_mapping = {'python': ('https://docs.python.org/3.4',
                                         (None, 'python-inv.txt'))}
 
 .. confval:: intersphinx_cache_limit

doc/theming.rst

@@ -133,7 +133,7 @@ These themes are:
     include ``px`` in the value.)  Defaults to 230 pixels.
 
 * **default** -- This is the default theme, which looks like `the Python
-  documentation <http://docs.python.org/>`_.  It can be customized via these
+  documentation <https://docs.python.org/>`_.  It can be customized via these
   options:
 
   - **rightsidebar** (true or false): Put the sidebar on the right side.

doc/tutorial.rst

@@ -273,7 +273,7 @@ Many Sphinx documents including the `Python documentation`_ are published on the
 internet.  When you want to make links to such documents from your
 documentation, you can do it with :mod:`sphinx.ext.intersphinx`.
 
-.. _Python documentation: http://docs.python.org/3
+.. _Python documentation: https://docs.python.org/3
 
 In order to use intersphinx, you need to activate it in :file:`conf.py` by
 putting the string ``'sphinx.ext.intersphinx'`` into the :confval:`extensions`
@@ -282,7 +282,7 @@ list and set up the :confval:`intersphinx_mapping` config value.
 For example, to link to ``io.open()`` in the Python library manual, you need to
 setup your :confval:`intersphinx_mapping` like::
 
-   intersphinx_mapping = {'python': ('http://docs.python.org/3', None)}
+   intersphinx_mapping = {'python': ('https://docs.python.org/3', None)}
 
 And now, you can write a cross-reference like ``:py:func:`io.open```.  Any
 cross-reference that has no matching target in the current documentation set,