Python module wrapper around ConfigParser to ensure strict operation when working with configuration (.ini) files.
Assume a configuration file, config.ini, with the following content:
[General]
api_key = api-private-key
conversion_factor = 123.456
print_results = False
Config parser can be used to ensure the expected values appear in the file, extra values are ignored with default values used as substitutes where entries are missing.
from configchecker import ConfigChecker
config = ConfigChecker()
# Set the configuration values which are to be used.
# set_expectations(SectionName,SectionOption,DataType,DefaultValue)
config.set_expectation('General','api_key',str,'api-private-key')
config.set_expectation('General','retries',int,5)
config.set_expectation('General','conversion_factor',float,3.14)
config.set_expectation('General','print_results',bool,True)
# Try to load a configuration (.ini) file.
# Any previously set expectation which exists in the file has its value updated.
# Any value which doesn't exist in the file has its default value applied.
# Any configuration value in the file which isn't an expectation is ignored.
# This should be called before a file is written, or configuration value set or get
config.set_configuration_file('config.ini')
# Get the value of a configuration variable
printResults = config.get_value("General','print_results')
# Set the value of a configuration variable
config.set_value('General','api_key','123-23423csdfs3-2342-234')
# Write a configuration (.ini) file.
# This operation creates a new file with all the previously set expectations
# If a value hasn't been added for the option, then the default value is used.
config.write_configuation_file('config.ini')The resulting (new) configuration file look as follows:
[General]
api_key = 123-23423csdfs3-2342-234
retries = 5
conversion_factor = 123.456
print_results = FalseNotice the option retries has been added with the default value based on the expectation, and the api_key has been updated. The values of conversion_factor and print_results remained unchanged, as they existed in the original configuration file.
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