Charles-François Natali <[email protected]> added the comment:
Demo:
"""
cf@neobox:~/cpython$ ./python -c "import pydoc;
print(pydoc.synopsis('Lib/os.py'))"
OS routines for Mac, NT, or Posix depending on what system we're on.
[51835 refs]
cf@neobox:~/cpython$ touch -t 197001010000 Lib/os.py
cf@neobox:~/cpython$ ./python -c "import pydoc;
print(pydoc.synopsis('Lib/os.py'))"
None
[51833 refs]
"""
> I'd suggest using the fix of changing the .get call to return a default of
> (None,
> None) and changing the conditional to "lastupdate is not None and
> lastupdate < mtime".
You mean "lastupdate is None or lastupdate < mtime"? Otherwise, a file not
present in the cache would never be looked-up.
Here's a patch.
It's obvious, but note that if the filesystem doesn't provide mtime, then once
the metadata has been cached, it won't be refreshed if the file is updated.
I'll take a look around the standard library for similar issues.
Note: it would of course be simpler to use -1 as the default mtime value, but a
negative time_t is possible.
----------
keywords: +needs review, patch
stage: needs patch -> patch review
Added file: http://bugs.python.org/file22730/pydoc_mtime.diff
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