For example, if you own example.com but want to serve specific content at api.example.com and beta.example.com, add the following to a hosts.py file:

.. code-block:: python

from django_hosts import patterns, host

host_patterns = patterns('path.to',
    host(r'api', 'api.urls', name='api'),
    host(r'beta', 'beta.urls', name='beta'),
)

This causes requests to {api,beta}.example.com to be routed to their corresponding URLconf. You can use your urls.py as a template for these hostconfs.

Patterns are evaluated in order. If no pattern matches, the request is processed in the usual way, ie. using the standard ROOT_URLCONF.

The patterns on the left-hand side are regular expressions. For example, the following ROOT_HOSTCONF setting will route foo.example.com and bar.example.com to the same URLconf.

.. code-block:: python

from django_hosts import patterns, host

host_patterns = patterns('',
    host(r'(foo|bar)', 'path.to.urls', name='foo-or-bar'),
)

.. note:

Remember:

Patterns are matched against the extreme left of the requested host
It is implied that all patterns end either with a literal full stop (ie. ".") or an end of line metacharacter.
As with all regular expressions, various metacharacters need quoting.

Installation

First, install the app with your favorite package manager, e.g.:

.. code-block:: shell

pip install django-hosts

Alternatively, use the repository on Github_.

You can find the full docs here: django-hosts.rtfd.org_

Then configure your Django site to use the app:

#. Add 'django_hosts' to your INSTALLED_APPS setting.

#. Add 'django_hosts.middleware.HostsRequestMiddleware' to the beginning of your MIDDLEWARE setting.

#. Add 'django_hosts.middleware.HostsResponseMiddleware' to the end of your MIDDLEWARE setting.

#. Create a new module containing your default host patterns, e.g. in the hosts.py file next to your urls.py.

#. Set the ROOT_HOSTCONF setting to the dotted Python import path of the module containing your host patterns, e.g.:

.. code-block:: python

   ROOT_HOSTCONF = 'mysite.hosts'

#. Set the DEFAULT_HOST setting to the name of the host pattern you want to refer to as the default pattern. It'll be used if no other pattern matches or you don't give a name to the host_url template tag.

.. _repository on Github: https://github.com/jazzband/django-hosts .. _django-hosts.rtfd.org: https://django-hosts.readthedocs.io/

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