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Method 1 os reading
os reads directly and uses os to obtain the environment variable dictionary
Print All environment variables, traverse the dictionary
Method 2 pyhocon reading
pyhocon is a python configuration management library
pyhocon One of its functions is that it can be directly referenced using ${} in the configuration file. When pyhocon parses, it will automatically implement the above resolveEnv logic, corresponding to the environment variable.
The official website is as follows:https://github.com/chimpler/pyhocon
The configuration file is as follows:
default.conf
${HOME} will automatically obtain the HOME in the environment variable when parsing and using parsing
How to use
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