Serhiy Storchaka <[email protected]> added the comment:
> For the very specific case of os.environ.clear(), the C function clearenv()
> could be used if available.
It is bad in any way. The supposed example of using clear():
old_environ = dict(os.environ)
os.environ.clear()
os.environ.update(new_environ)
...
os.environ.clear()
os.environ.update(old_environ)
Even if clear() passed, it will fail on attempt to restore the old environment,
with the empty key.
You can have the same issue in a corresponding C code. I think the only way is
to report this as a bug in glibc and wait on their reaction.
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<https://bugs.python.org/issue20658>
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