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Confix

Quick links

• Home page <https://github.com/giampaolo/confix>__
• Documentation <http://pythonhosted.org/confix/>__
• Blog <http://grodola.blogspot.com/search/label/confix>__
• Forum <https://groups.google.com/forum/#!forum/python-confix>__
• Download <https://pypi.python.org/pypi?:action=display&name=confix#downloads>__

About

Confix is a language-agnostic configuration parser for Python. It lets you define the default configuration of an app as a standard Python class, then overwrite its attributes from a static configuration file (be it YAML, JSON, INI or TOML) and / or via environment variables <http://pythonhosted.org/confix/#override-a-key-via-environment-variables>_. In doing so it validates the overridden settings by:

• making sure they are of the same type
• (optional) marking them as mandatory (useful for passwords)
• (optional) validating them via a callable

Example:

config file:

.. code-block:: yaml

# config.yml
password: secret

python file:

.. code-block:: python

# main.py
from confix import register, parse

@register()
class config:
    username = 'ftp'
    password = None

parse('config.yaml')
print(config.username)
print(config.password)

shell:

.. code-block:: bash

$ python main.py
ftp
secret

For more examples see docs <http://pythonhosted.org/confix>_.

Main features

• supports YAML, JSON, INI and TOML serialization formats.
• can be easily extended to support other formats.
• support for Python 3
• small code base
• 100% test coverage
• allows you to define 'schemas' in order to validate fields and mark them
  as required:

.. code-block:: python

ftp.py

from confix import register, schema

@register() class config: port = schema(default=21, validator=lambda x: isinstance(x, int)) password = schema(required=True)

Status

Code is solid and fully tested (100% coverage). Its API may change (break) between major versions though.