call site 0 for compat.subprocess.Popen.__init__
path/local/testing/test_local.py - line 246
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   def test_sysexec_failing(self):
       x = py.path.local.sysfind('false')
       py.test.raises(py.process.cmdexec.Error, """
               x.sysexec('aksjdkasjd')
->         """)
test/raises.py - line 20
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   def raises(ExpectedException, *args, **kwargs):
       """ raise AssertionError, if target code does not raise the expected
           exception.
       """
       assert args
       __tracebackhide__ = True 
       if isinstance(args[0], str):
           expr, = args
           assert isinstance(expr, str)
           frame = sys._getframe(1)
           loc = frame.f_locals.copy()
           loc.update(kwargs)
           #print "raises frame scope: %r" % frame.f_locals
           source = py.code.Source(expr)
           try:
->             exec source.compile() in frame.f_globals, loc
               #del __traceback__
               # XXX didn'T mean f_globals == f_locals something special?
               #     this is destroyed here ...
           except ExpectedException:
               return py.code.ExceptionInfo()
       else:
           func = args[0]
           assert callable
           try:
               func(*args[1:], **kwargs)
               #del __traceback__
           except ExpectedException:
               return py.code.ExceptionInfo()
           k = ", ".join(["%s=%r" % x for x in kwargs.items()])
           if k:
               k = ', ' + k
           expr = '%s(%r%s)' %(func.__name__, args, k)
       raise ExceptionFailure(msg="DID NOT RAISE", 
                              expr=args, expected=ExpectedException) 
path/svn/testing/None</build/buildd/codespeak-lib-0.9.1/py/test/raises.py:20> - line 2
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-> x.sysexec('aksjdkasjd')
path/local/local.py - line 498
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   def sysexec(self, *argv):
       """ return stdout-put from executing a system child process,
               where the self path points to the binary (XXX or script)
               to be executed. Note that this process is directly
               invoked and not through a system shell.
           """
       from py.compat.subprocess import Popen, PIPE
       argv = map(str, argv)
->     proc = Popen([str(self)] + list(argv), stdout=PIPE, stderr=PIPE)
       stdout, stderr = proc.communicate()
       ret = proc.wait()
       if ret != 0:
           raise py.process.cmdexec.Error(ret, ret, str(self),
                                          stdout, stderr,)
       return stdout