safely parse DEBUG environment variable #93
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This pull request adds a safer way to parse the
DEBUGenvironment variable.Instead of only support integers to represent a boolean value, now its supports:
True values are
y,yes,t,true,on, and1;False values are
n,no,f,false,off,0and empty string.Raises
ValueErrorif is anything else.https://github.com/python/cpython/blob/3.9/Lib/distutils/util.py#L307-L320