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On 08/14/2013 07:48 AM, [mabe] wrote:
> Hi everyone,
>
> I noticed today that database packing doesn't seem to work (at least
> on Python 3.3)
>
> Minimal example:
>
> from ZODB import FileStorage, DB
>
> storage = FileStorage.FileStorage('/tmp/mystorage.fs') db =
> DB(storage) db.pack() db.close()
>
> Expected: No output / db.pack() should succeed, although there is
> likely nothing to pack.
>
> Actual output: % python zodb_pack.py packing Traceback (most recent
> call last): File "/usr/lib/python3.3/site-packages/ZODB/DB.py", line
> 810, in pack self.storage.pack(t, self.references) File
> "/usr/lib/python3.3/site-packages/ZODB/FileStorage/FileStorage.py",
> line 1121, in pack pack_result = self.packer(self, referencesf, stop,
> gc) File
> "/usr/lib/python3.3/site-packages/ZODB/FileStorage/FileStorage.py",
> line 1074, in packer opos = p.pack() File
> "/usr/lib/python3.3/site-packages/ZODB/FileStorage/fspack.py", line
> 408, in pack self.gc.findReachable() File
> "/usr/lib/python3.3/site-packages/ZODB/FileStorage/fspack.py", line
> 191, in findReachable self.findReachableAtPacktime([z64]) File
> "/usr/lib/python3.3/site-packages/ZODB/FileStorage/fspack.py", line
> 276, in findReachableAtPacktime for oid in self.findrefs(pos): File
> "/usr/lib/python3.3/site-packages/ZODB/FileStorage/fspack.py", line
> 329, in findrefs return self.referencesf(self._file.read(dh.plen))
> File "/usr/lib/python3.3/site-packages/ZODB/serialize.py", line 646,
> in referencesf u.noload() AttributeError: 'Unpickler' object has no
> attribute 'noload' Traceback (most recent call last): File
> "zodb_pack.py", line 5, in <module> db.pack() File
> "/usr/lib/python3.3/site-packages/ZODB/DB.py", line 810, in pack
> self.storage.pack(t, self.references) File
> "/usr/lib/python3.3/site-packages/ZODB/FileStorage/FileStorage.py",
> line 1121, in pack pack_result = self.packer(self, referencesf, stop,
> gc) File
> "/usr/lib/python3.3/site-packages/ZODB/FileStorage/FileStorage.py",
> line 1074, in packer opos = p.pack() File
> "/usr/lib/python3.3/site-packages/ZODB/FileStorage/fspack.py", line
> 408, in pack self.gc.findReachable() File
> "/usr/lib/python3.3/site-packages/ZODB/FileStorage/fspack.py", line
> 191, in findReachable self.findReachableAtPacktime([z64]) File
> "/usr/lib/python3.3/site-packages/ZODB/FileStorage/fspack.py", line
> 276, in findReachableAtPacktime for oid in self.findrefs(pos): File
> "/usr/lib/python3.3/site-packages/ZODB/FileStorage/fspack.py", line
> 329, in findrefs return self.referencesf(self._file.read(dh.plen))
> File "/usr/lib/python3.3/site-packages/ZODB/serialize.py", line 646,
> in referencesf u.noload() AttributeError: 'Unpickler' object has no
> attribute 'noload'
Thanks very much for the report. I can reproduce with your example:
downgrading 'zodbpickle' to version 0.5.0 gets your example to run
cleanly, e.g.::
$ /path/to/virtualenv/bin/easy_install -U "zodbpickle == 0.5.0"
Could I get you to post it to the zodbpickle tracker:
https://github.com/zopefoundation/zodbpickle/issues
Tres.
- --
===================================================================
Tres Seaver +1 540-429-0999 tsea...@palladion.com
Palladion Software "Excellence by Design" http://palladion.com
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