New issue 53: Error during collection
http://bitbucket.org/hpk42/py-trunk/issue/53/error-during-collection
Anonymous on Fri, 9 Oct 2009 01:33:51 +0200:
Description:
The following test module causes an error during collection:
{{{
#!python
import unittest
class _E(object):
def __getattr__(self, tag):
pass
E = _E()
}}}
the error:
{{{
#!python
(default)l-rjones:foo richard$ py.test
================================================================= test session
starts ==================================================================
python: platform darwin -- Python 2.6.1
test object 1: /private/tmp/foo
test_foo.py E
======================================================================== ERRORS
========================================================================
_________________________________________________ ERROR during collection
/private/tmp/foo/test_foo.py _________________________________________________
collector = <Module 'test_foo.py'>
def pytest_make_collect_report(collector):
result = excinfo = None
try:
> result = collector._memocollect()
/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/py/test/plugin/pytest_runner.py:32:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <Module 'test_foo.py'>
def _memocollect(self):
""" internal helper method to cache results of calling collect(). """
> return self._memoizedcall('_collected', self.collect)
/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/py/test/collect.py:300:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <Module 'test_foo.py'>, attrname = '_collected', function = <bound
method Module.collect of <Module 'test_foo.py'>>
def _memoizedcall(self, attrname, function):
exattrname = "_ex_" + attrname
failure = getattr(self, exattrname, None)
if failure is not None:
raise failure[0], failure[1], failure[2]
if hasattr(self, attrname):
return getattr(self, attrname)
try:
> res = function()
/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/py/test/collect.py:99:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <Module 'test_foo.py'>
def collect(self):
l = self._deprecated_collect()
if l is not None:
return l
> name2items = self._buildname2items()
/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/py/test/pycollect.py:94:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <Module 'test_foo.py'>
def _buildname2items(self):
# NB. we avoid random getattrs and peek in the __dict__ instead
d = {}
dicts = [getattr(self.obj, '__dict__', {})]
for basecls in py.std.inspect.getmro(self.obj.__class__):
dicts.append(basecls.__dict__)
seen = {}
for dic in dicts:
for name, obj in dic.items():
if name in seen:
continue
seen[name] = True
> res = self.makeitem(name, obj)
/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/py/test/pycollect.py:111:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <Module 'test_foo.py'>, name = 'E', obj = <test_foo._E object at
0x758a50>
def makeitem(self, name, obj):
res = self.config.hook.pytest_pycollect_makeitem(
> collector=self, name=name, obj=obj)
/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/py/test/pycollect.py:123:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <HookCaller 'pytest_pycollect_makeitem'>
def __call__(self, **kwargs):
methods = self.hookrelay._getmethods(self.name, self.extralookup)
mc = MultiCall(methods, kwargs, firstresult=self.firstresult)
> return self.hookrelay._performcall(self.name, mc)
/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/py/_com.py:120:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <py.__._com.HookRelay instance at 0x68ef08>, name =
'pytest_pycollect_makeitem'
multicall = <MultiCall 0 results, 0 meths, kwargs={'collector': <Module
'test_foo.py'>, '__multicall__': <MultiCall 0 results, 0 meths, kwargs={...}>,
'obj': <test_foo._E object at 0x758a50>, 'name': 'E'}>
def _performcall(self, name, multicall):
> return multicall.execute()
/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/py/_com.py:105:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <MultiCall 0 results, 0 meths, kwargs={'collector': <Module
'test_foo.py'>, '__multicall__': <MultiCall 0 results, 0 meths, kwargs={...}>,
'obj': <test_foo._E object at 0x758a50>, 'name': 'E'}>
def execute(self):
while self.methods:
method = self.methods.pop()
kwargs = self.getkwargs(method)
> res = method(**kwargs)
/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/py/_com.py:25:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
collector = <Module 'test_foo.py'>, name = 'E', obj = <test_foo._E object at
0x758a50>
def pytest_pycollect_makeitem(collector, name, obj):
if 'unittest' not in sys.modules:
return # nobody could have possibly derived a subclass
> if py.std.inspect.isclass(obj) and issubclass(obj,
> py.std.unittest.TestCase):
E TypeError: issubclass() arg 1 must be a class
/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/py/test/plugin/pytest_unittest.py:22:
TypeError
=============================================================== 1 error in 0.11
seconds ================================================================
}}}
with py.test version 1.0.2
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