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32 lines
1.1 KiB
Python
32 lines
1.1 KiB
Python
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import logging
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import os
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import sys
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# Check and gracefully fail if the user needs to install a 3rd-party dep.
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libnames = ['appdirs', 'configobj', 'colorlog']
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def check_env_has_dependencies(libnames):
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rc = True
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for libname in libnames:
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try:
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__import__(libname)
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except ModuleNotFoundError as ex:
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print('missing third-part library: ', ex, file=sys.stderr)
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rc = False
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return rc
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if not check_env_has_dependencies(libnames):
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print('refusing to load program without installed dependencies', file=sys.stderr)
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raise ImportError('python environment needs third-party dependencies installed')
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# Logger for before the application and logging config is loaded
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# - used to log before logging is configured
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_log_fmt = '%(levelname)-7s:%(message)s'
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_logger_name = 'app_skellington'
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_bootstrap_logger = logging.getLogger(_logger_name)
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_bootstrap_logger.setLevel(1000)
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_bootstrap_logger.propagate = False
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# NOTE(MG) Pretty sure the logger has the default handler too at this point.
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# It's been related to some issues with the logger double-printing messages.
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_bootstrap_logger.addHandler(logging.NullHandler())
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