Hi all.
I'm trying to explore the possible reasons behind some strange
traceback which on some conditions (unknown to me at the moment)
appears while running my ZopeTestCases.
When I run all my tests, sometimes I get no error. Sometimes I get
from 3 to 5 tracebacks, all related to the same part of the code. Here
is one of those tracebacks.
ERROR: testActIntegration.DeterminationTestCase.testProposal
----------------------------------------------------------------------
Traceback (most recent call last):
File "testActIntegration.py", line 106, in testProposal
draft.fromScratch(AUTHOR)
File "/var/local/zope27/paflow/zeoclient/Products/PAFlow/Acts.py",
line 1298, in fromScratch
self.makeDocumentUsingData()
File "/var/local/zope27/paflow/zeoclient/Products/PAFlow/Acts.py",
line 1085, in makeDocumentUsingData
'application/pdf')
File "/var/local/zope27/paflow/zeoclient/Products/PAFlow/Documents.py",
line 676, in setBinaryFileType
self.updateData(file, content_type)
File "/var/local/zope27/paflow/zeoclient/Products/PAFlow/Documents.py",
line 558, in updateData
data, size = self._read_data(file)
File "/var/local/zope27/base278/lib/python/OFS/Image.py", line 518,
in _read_data
get_transaction().commit(1)
File "/var/local/zope27/base278/lib/python/ZODB/Transaction.py",
line 241, in commit
ncommitted += self._commit_objects(objects)
File "/var/local/zope27/base278/lib/python/ZODB/Transaction.py",
line 356, in _commit_objects
jar.commit(o, self)
File "/var/local/zope27/base278/lib/python/ZODB/Connection.py", line
452, in commit
dump(state)
File "/usr/lib/python2.3/copy_reg.py", line 69, in _reduce_ex
raise TypeError, "can't pickle %s objects" % base.__name__
TypeError: can't pickle function objects
Of course, there is a lot of my code here, so basically I'm not asking
about the problem, but on how I could further explore the problem
(aside from putting a conditional break in the code and run the tests
until it is activated).
Another (related) question is related to the following snippet, from OFS.Image:
File "/var/local/zope27/base278/lib/python/OFS/Image.py", line 518,
in _read_data
get_transaction().commit(1)
Here we have therefore a subtransaction committed. This worries me a
lot, since my code deals, at the same time, with PostgreSQL database
and ZCatalog. In the ZCatalog, the subtransactions where disabled
since they were not compatible with PostgreSQL.
I think there is a similar issue with subtransaction in Image... am I wrong?
Regards
Marco
--
Marco Bizzarri
http://iliveinpisa.blogspot.com/
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