Docs: simplify PyPI links

Use `:pypi:` sphinx-ext-extlink role for links to PyPI,
and add some missing package links.

docs/conf.py

@@ -35,7 +35,7 @@ needs_sphinx = '1.0'
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['sphinx.ext.intersphinx']
+extensions = ['sphinx.ext.intersphinx', 'sphinx.ext.extlinks']
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
@@ -256,6 +256,11 @@ texinfo_documents = [
 # How to display URL addresses: 'footnote', 'no', or 'inline'.
 # texinfo_show_urls = 'footnote'
 
+# -- Options for extlinks ---------------------------------------------------
+
+extlinks = {
+    'pypi': ('https://pypi.python.org/pypi/%s', ''),
+}
 
 # -- Options for Intersphinx ------------------------------------------------
 

docs/esps/mandrill.rst

@@ -20,8 +20,7 @@ transactional email service from MailChimp.
 
     If you are integrating only Mandrill, and not considering one of Anymail's
     other ESPs, you might prefer using MailChimp's official
-    `mandrill <https://pypi.python.org/pypi/mandrill/>`_ python package
+    :pypi:`mandrill` python package instead of Anymail.
-    instead of Anymail.
 
 
 Settings

docs/esps/sparkpost.rst

@@ -4,16 +4,15 @@ SparkPost
 =========
 
 Anymail integrates with the `SparkPost`_ email service, using their
-`python-sparkpost`_ API client.
+:pypi:`python-sparkpost` API client.
 
 .. _SparkPost: https://www.sparkpost.com/
-.. _python-sparkpost: https://pypi.python.org/pypi/sparkpost
 
 
 Installation
 ------------
 
-You must ensure the `sparkpost` package is installed to use Anymail's SparkPost
+You must ensure the :pypi:`sparkpost` package is installed to use Anymail's SparkPost
 backend. Either include the "sparkpost" option when you install Anymail:
 
     .. code-block:: console

docs/sending/anymail_additions.rst

@@ -468,7 +468,7 @@ AnymailMessageMixin
     Mixin class that adds Anymail's ESP extra attributes and convenience methods
     to other :class:`~django.core.mail.EmailMessage` subclasses.
 
-    For example, with the `django-mail-templated`_ package's custom EmailMessage:
+    For example, with the :pypi:`django-mail-templated` package's custom EmailMessage:
 
     .. code-block:: python
 
@@ -489,6 +489,3 @@ AnymailMessageMixin
         )
         msg.context = {"order_num": "12345"}  # Mail-Templated attribute
         msg.tags = ["templated"]  # Anymail attribute
-
-
-.. _django-mail-templated: https://pypi.python.org/pypi/django-mail-templated

docs/sending/django_email.rst

@@ -16,7 +16,7 @@ Anymail supports most of the functionality of Django's :class:`~django.core.mail
 and :class:`~django.core.mail.EmailMultiAlternatives` classes.
 
 Anymail handles **all** outgoing email sent through Django's
-:mod:`django.core.mail` package, including :func:`~django.core.mail.send_mail`,
+:mod:`django.core.mail` module, including :func:`~django.core.mail.send_mail`,
 :func:`~django.core.mail.send_mass_mail`, the :class:`~django.core.mail.EmailMessage` class,
 and even :func:`~django.core.mail.mail_admins`.
 If you'd like to selectively send only some messages through Anymail,

docs/tips/django_templates.rst

@@ -50,6 +50,7 @@ in Django:
 
 .. TODO: flesh this out
 
-* django-templated-mail, django-mail-templated, django-mail-templated-simple
+* :pypi:`django-templated-mail`, :pypi:`django-mail-templated`, or :pypi:`django-mail-templated-simple`
-* Premailer, for inlining css
+  for building messages from sets of Django templates.
-* BeautifulSoup, lxml, or html2text, for auto-generating plaintext from your html
+* :pypi:`premailer` for inlining css before sending
+* :pypi:`BeautifulSoup`, :pypi:`lxml`, or :pypi:`html2text` for auto-generating plaintext from your html