Load a Py-ART configuration from a config file.
The default values for a number of Py-ART parameters and metadata is controlled by a single Python configuration file. An self-descriping example of this file can be found in the Py-ART source directory named default_config.py. These defaults can modified by setting the environmental variable PYART_CONFIG to point to a new configuration file. If this variable is not set then the settings contained in the default_config.py file are used.
The code the configuration file is executed as-is with full permission, this may present a security issue, do not load un-trusted configuration files.
The recommended method for changing these defaults is for users to copy this file into their home directory, rename it to .pyart_config.py, make any changes, and adjust their login scripts to set the PYART_CONFIG environmental variable to point to .pyart_config.py in their home directory.
Py-ART’s configuration can also be modified within a script or shell session using this function, the modification will last until a the end of the script/session or until a new configuration is loaded.
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