Stefan Krah <[email protected]> added the comment:
And indeed, with this patch ...
diff --git a/Lib/importlib/_bootstrap.py b/Lib/importlib/_bootstrap.py
--- a/Lib/importlib/_bootstrap.py
+++ b/Lib/importlib/_bootstrap.py
@@ -777,6 +777,8 @@
mtime = _os.stat(self.path).st_mtime
except OSError:
mtime = -1
+ if fullname == 'pep3147':
+ print(mtime, self._path_mtime)
if mtime != self._path_mtime or _cache_refresh != self._cache_refresh:
self._fill_cache()
self._path_mtime = mtime
Good version:
[stefan@fedora-16-amd64 cpython]$ ./python -m test test_dot
[1/1] test_dot
1330188705.3170006 1330188705.3100004
Warning -- sys.path was modified by test_dot
Bad version:
$ ./python -m test test_dot
[1/1] test_dot
1330188676.0 1330188676.0
Warning -- sys.path was modified by test_dot
test test_dot crashed -- Traceback (most recent call last):
File "/home/stefan/pydev/cpython-imp/Lib/test/regrtest.py", line 1214, in
runtest_inner
the_package = __import__(abstest, globals(), locals(), [])
File "/home/stefan/pydev/cpython-imp/Lib/test/test_dot.py", line 20, in
<module>
assert m.__file__ == expected___file__
AssertionError
1 test failed:
test_dot
It looks like os.stat.st_mtime returns full seconds here on Ubuntu:
Python 3.3.0a0 (default:3f9b3b6f7ff0, Feb 25 2012, 17:42:23)
[GCC 4.4.3] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import os
>>> os.stat("./python").st_mtime
1330189060.0
>>>
Nanoseconds, anyone? :)
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<http://bugs.python.org/issue14080>
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