[issue19209] Remove import copyreg from os module
STINNER Victor
report at bugs.python.org
Thu Oct 10 10:09:22 CEST 2013
STINNER Victor added the comment:
> Can't we modify the qualified name instead?
Attached os_stat_statvfs_pickle.patch implements this idea. IMO it's much simpler because it removes completly the need of the copyreg module.
Example with the patch on Linux:
$ ./python
Python 3.4.0a3+ (default:63a1ee94b3ed+, Oct 10 2013, 10:03:45)
>>> import os, pickletools, pickle
>>> s=os.stat('.')
>>> pickletools.dis(pickle.dumps(s))
0: \x80 PROTO 3
2: c GLOBAL 'os stat_result'
...
>>> pickle.loads(pickle.dumps(s))
os.stat_result(st_mode=16893, st_ino=19792207, st_dev=64772, st_nlink=17, st_uid=1000, st_gid=1000, st_size=28672, st_atime=1381392226, st_mtime=1381392226, st_ctime=1381392226)
>>>
>>> v=os.statvfs('.')
>>> pickletools.dis(pickle.dumps(v))
0: \x80 PROTO 3
2: c GLOBAL 'os statvfs_result'
...
>>> pickle.loads(pickle.dumps(v))
os.statvfs_result(f_bsize=4096, f_frsize=4096, f_blocks=125958458, f_bfree=124095595, f_bavail=117695595, f_files=32006144, f_ffree=31792079, f_favail=31792079, f_flag=4096, f_namemax=255)
----------
Added file: http://bugs.python.org/file32026/os_stat_statvfs_pickle.patch
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<http://bugs.python.org/issue19209>
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