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Project Description
==============
Django-environ
==============

Django-environ allows you to utilize 12factor inspired environment variables to configure your Django application.

|pypi| |unix_build| |windows_build| |coverage| |downloads| |license|


This module is a merge of:

* `envparse`_
* `honcho`_
* `dj-database-url`_
* `dj-search-url`_
* `dj-config-url`_
* `django-cache-url`_

and inspired by:

* `12factor`_
* `12factor-django`_
* `Two Scoops of Django`_

This is your `settings.py` file before you have installed **django-environ**

.. code-block:: python

import os
SITE_ROOT = os.path.dirname(os.path.dirname(os.path.dirname(os.path.realpath(__file__))))

DEBUG = True
TEMPLATE_DEBUG = DEBUG

DATABASES = {
'default': {
'ENGINE': 'django.db.backends.postgresql_psycopg2',
'NAME': 'database',
'USER': 'user',
'PASSWORD': 'githubbedpassword',
'HOST': '127.0.0.1',
'PORT': '8458',
}
'extra': {
'ENGINE': 'django.db.backends.sqlite3',
'NAME': os.path.join(SITE_ROOT, 'database.sqlite')
}
}

MEDIA_ROOT = os.path.join(SITE_ROOT, 'assets')
MEDIA_URL = 'media/'
STATIC_ROOT = os.path.join(SITE_ROOT, 'static')
STATIC_URL = 'static/'

SECRET_KEY = '...im incredibly still here...'

CACHES = {
'default': {
'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
'LOCATION': [
'127.0.0.1:11211', '127.0.0.1:11212', '127.0.0.1:11213',
]
},
'redis': {
'BACKEND': 'django_redis.cache.RedisCache',
'LOCATION': '127.0.0.1:6379:1',
'OPTIONS': {
'CLIENT_CLASS': 'django_redis.client.DefaultClient',
'PASSWORD': 'redis-githubbed-password',
}
}
}

After:

.. code-block:: python

import environ
root = environ.Path(__file__) - 3 # three folder back (/a/b/c/ - 3 = /)
env = environ.Env(DEBUG=(bool, False),) # set default values and casting
environ.Env.read_env() # reading .env file

SITE_ROOT = root()

DEBUG = env('DEBUG') # False if not in os.environ
TEMPLATE_DEBUG = DEBUG

DATABASES = {
'default': env.db(), # Raises ImproperlyConfigured exception if DATABASE_URL not in os.environ
'extra': env.db('SQLITE_URL', default='sqlite:////tmp/my-tmp-sqlite.db')
}

public_root = root.path('public/')

MEDIA_ROOT = public_root('media')
MEDIA_URL = 'media/'
STATIC_ROOT = public_root('static')
STATIC_URL = 'static/'

SECRET_KEY = env('SECRET_KEY') # Raises ImproperlyConfigured exception if SECRET_KEY not in os.environ

CACHES = {
'default': env.cache(),
'redis': env.cache('REDIS_URL')
}

You can also pass ``read_env()`` an explicit path to the ``.env`` file.

Create a ``.env`` file:

.. code-block:: bash

DEBUG=on
# DJANGO_SETTINGS_MODULE=myapp.settings.dev
SECRET_KEY=your-secret-key
DATABASE_URL=psql://urser:un-githubbedpassword@127.0.0.1:8458/database
# SQLITE_URL=sqlite:///my-local-sqlite.db
CACHE_URL=memcache://127.0.0.1:11211,127.0.0.1:11212,127.0.0.1:11213
REDIS_URL=rediscache://127.0.0.1:6379:1?client_class=django_redis.client.DefaultClient&password=redis-un-githubbed-password


How to install
==============

::

$ pip install django-environ


How to use
==========

There are only two classes, ``environ.Env`` and ``environ.Path``

.. code-block:: python

>>> import environ
>>> env = environ.Env(
DEBUG=(bool, False),
)
>>> env('DEBUG')
False
>>> env('DEBUG', default=True)
True

>>> open('.myenv', 'a').write('DEBUG=on')
>>> environ.Env.read_env('.myenv') # or env.read_env('.myenv')
>>> env('DEBUG')
True

>>> open('.myenv', 'a').write('\nINT_VAR=1010')
>>> env.int('INT_VAR'), env.str('INT_VAR')
1010, '1010'

>>> open('.myenv', 'a').write('\nDATABASE_URL=sqlite:///my-local-sqlite.db')
>>> env.read_env('.myenv')
>>> env.db()
{'ENGINE': 'django.db.backends.sqlite3', 'NAME': 'my-local-sqlite.db', 'HOST': '', 'USER': '', 'PASSWORD': '', 'PORT': ''}

>>> root = env.path('/home/myproject/')
>>> root('static')
'/home/myproject/static'


Supported Types
===============

- str
- bool
- int
- float
- json
- list (FOO=a,b,c)
- tuple (FOO=(a,b,c))
- dict (BAR=key=val,foo=bar) #environ.Env(BAR=(dict, {}))
- dict (BAR=key=val;foo=1.1;baz=True) #environ.Env(BAR=(dict(value=unicode, cast=dict(foo=float,baz=bool)), {}))
- url
- path (environ.Path)
- db_url
- PostgreSQL: postgres://, pgsql://, psql:// or postgresql://
- PostGIS: postgis://
- MySQL: mysql:// or mysql2://
- MySQL for GeoDjango: mysqlgis://
- SQLITE: sqlite://
- SQLITE with SPATIALITE for GeoDjango: spatialite://
- Oracle: oracle://
- LDAP: ldap://
- cache_url
- Database: dbcache://
- Dummy: dummycache://
- File: filecache://
- Memory: locmemcache://
- Memcached: memcache://
- Python memory: pymemcache://
- Redis: rediscache://
- search_url
- ElasticSearch: elasticsearch://
- Solr: solr://
- Whoosh: whoosh://
- Xapian: xapian://
- Simple cache: simple://
- email_url
- SMTP: smtp://
- SMTP+SSL: smtp+ssl://
- SMTP+TLS: smtp+tls://
- Console mail: consolemail://
- File mail: filemail://
- LocMem mail: memorymail://
- Dummy mail: dummymail://

Tips
====

Using unsafe characters in URLs
-------------------------------

In order to use unsafe characters you have to encode with `urllib.parse.encode` before you set into `.env` file.

.. code-block::

DATABASE_URL=mysql://user:%23password@127.0.0.1:3306/dbname


See `https://perishablepress.com/stop-using-unsafe-characters-in-urls/` for reference.

Email settings
--------------

In order to set email configuration for django you can use this code:

.. code-block:: python

EMAIL_CONFIG = env.email_url(
'EMAIL_URL', default='smtp://user@:password@localhost:25')

vars().update(EMAIL_CONFIG)


Tests
=====

::

$ git clone git@github.com:joke2k/django-environ.git
$ cd django-environ/
$ python setup.py test


License
=======

Django-environ is licensed under the MIT License - see the `LICENSE`_ file for details

Changelog
=========

`0.4.1 - 13-November-2016 <https: github.com="" joke2k="" django-environ="" compare="" v0.4...v0.4.1="">`__
-------------------------------------------------------------------------------------------
- Fix for unsafe characters into URLs
- Clarifying warning on missing or unreadable file. Thanks to @nickcatal
- Add support for Django 1.10.
- Fix support for Oracle urls
- Fix support for django-redis


`0.4.0 - 23-September-2015 <https: github.com="" joke2k="" django-environ="" compare="" v0.3...v0.4="">`__
-------------------------------------------------------------------------------------------
- Fix non-ascii values (broken in Python 2.x)
- New email schemes - smtp+ssl and smtp+tls (smtps would be deprecated)
- redis_cache replaced by django_redis
- Add tuple support. Thanks to @anonymouzz
- Add LDAP url support for database (django-ldapdb)
- Fix psql/pgsql url

`0.3 - 03-June-2014 <https: github.com="" joke2k="" django-environ="" compare="" v0.2.1...v0.3="">`__
--------------------------------------------------------------------------------------
- Add cache url support
- Add email url support
- Add search url support
- Rewriting README.rst

0.2.1 19-April-2013
-------------------
- environ/environ.py: Env.__call__ now uses Env.get_value instance method

0.2 16-April-2013
-----------------
- environ/environ.py, environ/test.py, environ/test_env.txt: add advanced
float parsing (comma and dot symbols to separate thousands and decimals)
- README.rst, docs/index.rst: fix TYPO in documentation

0.1 02-April-2013
-----------------
- initial release

Credits
=======

- `12factor`_
- `12factor-django`_
- `Two Scoops of Django`_
- `rconradharris`_ / `envparse`_
- `kennethreitz`_ / `dj-database-url`_
- `migonzalvar`_ / `dj-email-url`_
- `ghickman`_ / `django-cache-url`_
- `dstufft`_ / `dj-search-url`_
- `julianwachholz`_ / `dj-config-url`_
- `nickstenning`_ / `honcho`_
- `envparse`_
- `Distribute`_
- `modern-package-template`_

.. _rconradharris: https://github.com/rconradharris
.. _envparse: https://github.com/rconradharris/envparse

.. _kennethreitz: https://github.com/kennethreitz
.. _dj-database-url: https://github.com/kennethreitz/dj-database-url

.. _migonzalvar: https://github.com/migonzalvar
.. _dj-email-url: https://github.com/migonzalvar/dj-email-url

.. _ghickman: https://github.com/ghickman
.. _django-cache-url: https://github.com/ghickman/django-cache-url

.. _julianwachholz: https://github.com/julianwachholz
.. _dj-config-url: https://github.com/julianwachholz/dj-config-url

.. _dstufft: https://github.com/dstufft
.. _dj-search-url: https://github.com/dstufft/dj-search-url

.. _nickstenning: https://github.com/nickstenning
.. _honcho: https://github.com/nickstenning/honcho

.. _12factor: http://www.12factor.net/
.. _12factor-django: http://www.wellfireinteractive.com/blog/easier-12-factor-django/
.. _`Two Scoops of Django`: http://twoscoopspress.org/

.. _Distribute: http://pypi.python.org/pypi/distribute
.. _`modern-package-template`: http://pypi.python.org/pypi/modern-package-template

.. |pypi| image:: https://img.shields.io/pypi/v/django-environ.svg?style=flat-square&label=version
:target: https://pypi.python.org/pypi/django-environ
:alt: Latest version released on PyPi

.. |coverage| image:: https://img.shields.io/coveralls/joke2k/django-environ/master.svg?style=flat-square
:target: https://coveralls.io/r/joke2k/django-environ?branch=master
:alt: Test coverage

.. |unix_build| image:: https://img.shields.io/travis/joke2k/django-environ/master.svg?style=flat-square&label=unix%20build
:target: http://travis-ci.org/joke2k/django-environ
:alt: Build status of the master branch on Mac/Linux

.. |windows_build| image:: https://img.shields.io/appveyor/ci/joke2k/django-environ.svg?style=flat-square&label=windows%20build
:target: https://ci.appveyor.com/project/joke2k/django-environ
:alt: Build status of the master branch on Windows

.. |downloads| image:: https://img.shields.io/pypi/dm/django-environ.svg?style=flat-square
:target: https://pypi.python.org/pypi/django-environ
:alt: Monthly downloads

.. |license| image:: https://img.shields.io/badge/license-MIT-blue.svg?style=flat-square
:target: https://raw.githubusercontent.com/joke2k/django-environ/master/LICENSE.txt
:alt: Package license

.. _LICENSE: https://github.com/joke2k/django-environ/blob/master/LICENSE.txt
Release History

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