Configuration Module

This module contains functionality to read configuration values from different sources and to retrieve or inject them.

ConfigurationManager()

ConfigurationManager is responsible for managing different configuration sources by merging the different values and offering a uniform api.

get(path, type, default=None)

Retrieve a configuration value by path and type, with optional coercion.

Parameters:

Name	Type	Description	Default
path	str	The path to the configuration value, e.g. "database.host".	required
type	Type[T]	The expected type.	required
default	Optional[T]	The default value to return if the path is not found.	None

Returns:

Name	Type	Description
T	T	The configuration value coerced to the specified type, or the default value if not found.

ConfigurationSource()

Bases: ABC

A configuration source is a provider of configuration data.

load() abstractmethod

return the configuration values of this source as a dictionary.

EnvConfigurationSource()

Bases: ConfigurationSource

EnvConfigurationSource loads all environment variables.

YamlConfigurationSource(file)

Bases: ConfigurationSource

YamlConfigurationSource loads variables from a YAML configuration file.

inject_value(key, default=None)

Decorator to inject a configuration value into a method.

Parameters:

Name	Type	Description	Default
key	str	The configuration key to inject.	required
default		The default value to use if the key is not found.	None