beetbox / Confuse
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Confuse: painless YAML config files
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Confuse is a configuration library for Python that uses YAML
_. It takes
care of defaults, overrides, type checking, command-line integration,
human-readable errors, and standard OS-specific locations.
What It Does
Here’s what Confuse brings to the table:
-
An utterly sensible API resembling dictionary-and-list structures but providing transparent validation without lots of boilerplate code. Type
config['num_goats'].get(int)
to get the configured number of goats and ensure that it’s an integer. -
Combine configuration data from multiple sources. Using layering, Confuse allows user-specific configuration to seamlessly override system-wide configuration, which in turn overrides built-in defaults. An in-package
config_default.yaml
can be used to provide bottom-layer defaults using the same syntax that users will see. A runtime overlay allows the program to programmatically override and add configuration values. -
Look for configuration files in platform-specific paths. Like
$XDG_CONFIG_HOME
or~/.config
on Unix; "Application Support" on macOS;%APPDATA%
on Windows. Your program gets its own directory, which you can use to store additional data. You can transparently create this directory on demand if, for example, you need to initialize the configuration file on first run. And an environment variable can be used to override the directory's location. -
Integration with command-line arguments via
argparse
_ oroptparse
_ from the standard library. Use argparse's declarative API to allow command-line options to override configured defaults.
Installation
Confuse is available on PyPI <https://pypi.org/project/confuse/>
_ and can be installed
using :code:pip
:
.. code-block:: sh
pip install confuse
Using Confuse
Confuse's documentation
_ describes its API in detail.
Credits
Confuse was made to power beets
.
Like beets, it is available under the MIT license
.
.. _ConfigParser: http://docs.python.org/library/configparser.html .. _YAML: http://yaml.org/ .. _optparse: http://docs.python.org/dev/library/optparse.html .. _argparse: http://docs.python.org/dev/library/argparse.html .. _logging: http://docs.python.org/library/logging.html .. _Confuse's documentation: http://confuse.readthedocs.org/en/latest/usage.html .. _MIT license: http://www.opensource.org/licenses/mit-license.php .. _beets: https://github.com/beetbox/beets