traceback for magic.patch

/home/johnny/projects/merlinux/py/dist/py/magic/assertion.py:29

   def invoke():
->     py.magic.patch(__builtin__, 'AssertionError', AssertionError)

/home/johnny/projects/merlinux/py/dist/py/magic/invoke.py:14

   def invoke(assertion=False, compile=False):
       """ invoke magic, currently you can specify:
   
           assertion  patches the builtin AssertionError to try to give
                      more meaningful AssertionErrors, which by means
                      of deploying a mini-interpreter constructs
                      a useful error message.
       """
       if assertion:
           from py.__.magic import assertion
->         assertion.invoke()
       if compile: 
           py.magic.patch(cpy_builtin, 'compile', py.code.compile )

/home/johnny/projects/merlinux/py/dist/py/test/session.py:18

   def header(self, colitems):
       """ setup any neccessary resources. """
       if not self.config.option.nomagic:
->         py.magic.invoke(assertion=1)

/home/johnny/projects/merlinux/py/dist/py/test/terminal/terminal.py:122

   def header(self, colitems): 
->     super(TerminalSession, self).header(colitems) 
       self.out.sep("=", "test process starts")
       option = self.config.option 
       modes = []
       for name in 'looponfailing', 'exitfirst', 'nomagic': 
           if getattr(option, name): 
               modes.append(name) 
       if option._fromremote:
           modes.insert(0, 'child process') 
       else:
           modes.insert(0, 'inprocess')
       mode = "/".join(modes)
       self.out.line("testing-mode: %s" % mode)
       self.out.line("executable:   %s  (%s)" %
                         (py.std.sys.executable, repr_pythonversion()))
       rev = py.__package__.getrev()
       self.out.line("using py lib: %s <rev %s>" % (
                      py.path.local(py.__file__).dirpath(), rev))
       
       if self.config.option.traceconfig or self.config.option.verbose: 
   
           for x in colitems: 
               self.out.line("test target:  %s" %(x.fspath,))
   
           for i,x in py.builtin.enumerate(self.config._initialconfigmodules): 
               self.out.line("initial conf %d: %s" %(i, x.__file__)) 
   
           #for i, x in py.builtin.enumerate(py.test.config.configpaths):
           #    self.out.line("initial testconfig %d: %s" %(i, x))
           #additional = py.test.config.getfirst('additionalinfo')
           #if additional:
           #    for key, descr in additional():
           #        self.out.line("%s: %s" %(key, descr))
       self.out.line() 
       self.starttime = now()

/home/johnny/projects/merlinux/py/dist/py/test/session.py:42

   def main(self, args): 
       """ main loop for running tests. """
       colitems = self._map2colitems(args) 
       try:
->         self.header(colitems) 
           try:
               for colitem in colitems: 
                   colitem.option = self.config.option
                   self.runtraced(colitem)
           except KeyboardInterrupt: 
               raise 
           except: 
               self.footer(colitems) 
           else: 
               self.footer(colitems) 
       except Exit, ex:
           pass
       # return [(fspath as string, [names as string])]
       return [(str(item.listchain()[0].fspath), item.listnames())
               for item, outcome in self.getitemoutcomepairs(py.test.Item.Failed)]

/home/johnny/projects/merlinux/py/dist/py/test/terminal/terminal.py:34

   def main(self, args): 
       if self.config.option._remote: 
           from py.__.test.terminal import remote 
           return remote.main(self.config, self._file, self.config._origargs)
       else: 
->         return super(TerminalSession, self).main(args) 

/home/johnny/projects/merlinux/py/dist/py/documentation/example/pytest/test_failures.py:8

   def test_failure_demo_fails_properly(): 
       config, args = py.test.Config.parse([]) 
       session = config.getsessionclass()(config, py.std.sys.stdout)
->     session.main([failure_demo]) 
       l = session.getitemoutcomepairs(py.test.Item.Failed)
       assert len(l) == 21 
       l = session.getitemoutcomepairs(py.test.Item.Passed)
       assert not l 

/home/johnny/projects/merlinux/py/dist/py/test/item.py:79

   def execute(self, target, *args):
       """ default implementation for calling a test target is to
               simply call it.
           """
->     target(*args)

/home/johnny/projects/merlinux/py/dist/py/test/item.py:73

   def run(self):
       self.state.prepare(self) 
->     self.execute(self.obj, *self.args)

/home/johnny/projects/merlinux/py/dist/py/test/rsession/executor.py:22

   def execute(self):
       try:
->         self.item.run()
           outcome = Outcome()
       except py.test.Item.Skipped, e: 
           outcome = Outcome(skipped=str(e))
       except (KeyboardInterrupt, SystemExit):
           raise
       except:
           excinfo = py.code.ExceptionInfo()
           if isinstance(self.item, py.test.Function): 
               fun = self.item.obj # hope this is stable 
               code = py.code.Code(fun)
               excinfo.traceback = excinfo.traceback.cut(
                       path=code.path, firstlineno=code.firstlineno)
           outcome = Outcome(excinfo=excinfo, setupfailure=False)
           if self.usepdb:
               if self.reporter is not None:
                   self.reporter(report.ImmediateFailure(self.item,
                       ReprOutcome(outcome.make_repr())))
               import pdb
               pdb.post_mortem(excinfo._excinfo[2])
               # XXX hmm, we probably will not like to continue from that point
               # or we do?
               raise SystemExit()
       outcome.stdout = ""
       outcome.stderr = ""
       return outcome

/home/johnny/projects/merlinux/py/dist/py/test/rsession/local.py:31

   def plain_runner(item, session, reporter):
       # box executor is doing stdout/err catching for us, let's do it here
       startcapture(session)
       r = RunExecutor(item, usepdb=session.config.option.usepdb, reporter=reporter)
->     outcome = r.execute()
       outcome = ReprOutcome(outcome.make_repr())
       outcome.stdout, outcome.stderr = finishcapture(session)
       return outcome

/home/johnny/projects/merlinux/py/dist/py/test/rsession/local.py:47

   def apigen_runner(item, session, reporter):
       r = RunExecutor(item, reporter=reporter)
       session.tracer.start_tracing()
->     retval = plain_runner(item, session, reporter)
       session.tracer.end_tracing()
       return retval