Python exception for missing environment variable

Describes the cause and action for error messages.


Error Message(English):
exception for missing environment variable

Resolution


関連リンク


Which exception should I raise on bad/illegal argument ...
https://stackoverflow.com/questions/256222/which-exception-should-i-raise-on-bad-illegal-argument-co・・・

Missing Environment Vars in docker python:3 with docker ...
https://stackoverflow.com/questions/49015773/missing-environment-vars-in-docker-python3-with-docker-・・・

Python os.environ throws key error?
https://stackoverflow.com/questions/39280435/python-os-environ-throws-key-error

Error setting environment variables in python
https://stackoverflow.com/questions/19019945/error-setting-environment-variables-in-python

Proper way in Python to raise errors while setting variables ...
https://stackoverflow.com/questions/2525845/proper-way-in-python-to-raise-errors-while-setting-varia・・・

environment variables - Python not recognizing LD_LIBRARY_PATH ...
https://askubuntu.com/questions/1022836/python-not-recognizing-ld-library-path/1022913

environment variables - Python not recognizing LD_LIBRARY_PATH ...
https://askubuntu.com/questions/1022836/python-not-recognizing-ld-library-path

6. Built-in Exceptions ? Python 2.7.16rc1 documentation
https://docs.python.org/2/library/exceptions.html

Built-in Exceptions ? Python 3.7.2 documentation
https://docs.python.org/3/library/exceptions.html

Python Exception Handling - KeyError - Airbrake
https://airbrake.io/blog/python-exception-handling/python-keyerror



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