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Issue #15056: imp.cache_from_source() and source_from_cache() raise

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NotimplementedError when sys.implementation.cache_tag is None.

Thanks to Pranav Ravichandran for taking an initial stab at the patch.
This commit is contained in:
Brett Cannon 2012-07-09 13:58:07 -04:00
parent bf7eab077f
commit 19a2f5961c
6 changed files with 3875 additions and 3802 deletions
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5
Lib/imp.py
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@ -58,9 +58,12 @@ def source_from_cache(path):
The .pyc/.pyo file does not need to exist; this simply returns the path to
the .py file calculated to correspond to the .pyc/.pyo file. If path does
not conform to PEP 3147 format, ValueError will be raised.
not conform to PEP 3147 format, ValueError will be raised. If
sys.implementation.cache_tag is None then NotImplementedError is raised.
"""
if sys.implementation.cache_tag is None:
raise NotImplementedError('sys.implementation.cache_tag is None')
head, pycache_filename = os.path.split(path)
head, pycache = os.path.split(head)
if pycache != _bootstrap._PYCACHE: