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Description:

yamlconfiguration 0.2.6

yaml_configuration
This module offers easy configuration for a other modules or startup
scripts. It offers an easy way to load and save config files and read
and write config values to it. Also trying to read a config value by
passing an optional default value if the real config value is not
present is supported.

Usage
The class DefaultConfig provides the basic functionality of the package.
A custom configuration class is meant to derive from it.
import os
import logging
from pytest import raises
from yaml_configuration.config import DefaultConfig, ConfigError

def read_file(file_path, filename):
file_path = os.path.join(file_path, filename)
with open(file_path, 'r') as file_pointer:
file_content = file_pointer.read()
return file_content

class BasicConfig(DefaultConfig):

def __init__(self, config_string, config_file, logger_object=None):
super(BasicConfig, self).__init__(config_string, logger_object)
# this is already done in the init
# self.load(config_file, path=os.path.dirname(__file__))

if __name__ == '__main__':
config_file = "basic_config.yaml"
config_string = read_file(os.path.dirname(__file__), config_file)
basic_config = BasicConfig(config_string, config_file, logging.getLogger("TestLogger"))
basic_config.set_config_value("number_value", 10)
basic_config.set_config_value("string_value", "test_string")
assert basic_config.get_config_value("string_value") == "test_string"
assert basic_config.get_config_value("not_existing_config_value", default=42) == 42
with raises(ConfigError):
if not basic_config.get_config_value("value_that_should_exist"):
raise ConfigError("The config value with key 'value_that_should_exist' should exist")