INTERNALERROR> IndexError: list index out of range (Python 3.4) #752

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1. pytestbot commented on May 23, 2015

   

   pytestbot

   on May 23, 2015

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   Original comment by Andrew Gorcester (BitBucket: andrewsg, GitHub: andrewsg):

   ---

   The project is available online, pinned to the offending commit: https://github.com/andrewsg/python-c64/tree/ed738342c1e3f30b19db5b1c878c8c4547435c0d

   The problematic line is c64.py line 172. Lines prior to that, even though they may follow the exact same pattern, do not cause an error.
2. pytestbot commented on May 27, 2015

   

   pytestbot

   on May 27, 2015

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   Original comment by Anthon van der Neut (BitBucket: anthon_van_der_neut, GitHub: anthon_van_der_neut):

   ---

   I can confirm this error with this minimal fail.py file:

   def round_trip(dinp):
        assert 1 == dinp
   
   
   def test_rt():
        round_trip("""
   """)
   

   Fails on 2.7.10, 2.6, 3.3 and 3.4. Inserting 4 spaces before the closing """ removes the error in this case ( I found this with a more complex example, where changing the string that way does not help but this example is the result of minimizing the fail case).
3. pytestbot commented on May 28, 2015

   

   pytestbot

   on May 28, 2015

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   Original comment by Daniel Hahler (BitBucket: blueyed, GitHub: blueyed):

   ---

   Here is another case:

   The code, where the commented "password" line seems to cause the offset error:

   @pytest.fixture
   def staff_user(db):
       "A fixture to provide a staff user."
       from django_factory_boy import auth as auth_factories
       user = auth_factories.UserFactory(
           username='staff-test-user',
           # password="123456",
           is_staff=True)
       # group = Group.objects.get('Staff')
       # user.groups.add(group)
       return user
   
   
   ipdb> p source.lines
   ['@pytest.fixture', 'def staff_user(db):', '    "A fixture to provide a staff user."', '    from django_factory_boy import auth as auth_factories', '    user = auth_factories.UserFactory(', "        username='staff-test-user',"]
   
   ipdb> p line_index
   7
   
   ipdb> p len(source.lines)
   6
   
4. pytestbot commented on May 28, 2015

   

   pytestbot

   on May 28, 2015

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   Original comment by Daniel Hahler (BitBucket: blueyed, GitHub: blueyed):

   ---

   There are several duplicates / similar issues about this: https://bitbucket.org/pytest-dev/pytest/issues?status=new&status=open&q=list%20index%20out%20of%20range
5. pytestbot commented on May 28, 2015

   

   pytestbot

   on May 28, 2015

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   Original comment by Daniel Hahler (BitBucket: blueyed, GitHub: blueyed):

   ---

   Bisecting pylib shows up this as first bad commit:

   The first bad revision is:
   changeset:   2268:d7d5337ac74a
   branch:      astcomments
   user:        Thomas Tanner <X>
   date:        Sat Dec 27 01:47:36 2014 +0100
   summary:     source:getstatementrange_ast: search the code block end from the beginning, not from the end
   

   https://bitbucket.org/pytest-dev/py/commits/d7d5337ac74a054ad13bc7e28f976d00f051ace3
6. pytestbot commented on May 28, 2015

   

   pytestbot

   on May 28, 2015

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   Original comment by Daniel Hahler (BitBucket: blueyed, GitHub: blueyed):

   ---

   The issue in pylib is the following: https://bitbucket.org/pytest-dev/py/issue/55/broken-comment-parsing
7. pytestbot

   added

   type: bugproblem that needs to be addressedproblem that needs to be addressed

   on Jun 15, 2015
8. srkunze commented on Jun 16, 2015

   

   srkunze

   on Jun 16, 2015

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   Is there already a solution for this issue?
9. keleshev commented on Jun 16, 2015

   

   keleshev

   on Jun 16, 2015

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   I'm getting a similar error message. Here's how I can reproduce it:

   $ cat test_pytest.py
   def test_pytest():
       foo = {
           #
           'bar': 1 / 0
       }
   $ py.test test_pytest.py
   
   ========================================================================== test session starts ===========================================================================
   platform darwin -- Python 2.7.8 -- py-1.4.27 -- pytest-2.7.0
   rootdir: /Users/vladimir/Developer, inifile:
   collected 1 items
   
   test_pytest.py
   INTERNALERROR> Traceback (most recent call last):
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/main.py", line 84, in wrap_session
   INTERNALERROR>     doit(config, session)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/main.py", line 122, in _main
   INTERNALERROR>     config.hook.pytest_runtestloop(session=session)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 521, in __call__
   INTERNALERROR>     return self._docall(self.methods, kwargs)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 528, in _docall
   INTERNALERROR>     firstresult=self.firstresult).execute()
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 394, in execute
   INTERNALERROR>     res = method(*args)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/main.py", line 142, in pytest_runtestloop
   INTERNALERROR>     item.config.hook.pytest_runtest_protocol(item=item, nextitem=nextitem)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 521, in __call__
   INTERNALERROR>     return self._docall(self.methods, kwargs)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 528, in _docall
   INTERNALERROR>     firstresult=self.firstresult).execute()
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 393, in execute
   INTERNALERROR>     return wrapped_call(method(*args), self.execute)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 113, in wrapped_call
   INTERNALERROR>     return call_outcome.get_result()
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 138, in get_result
   INTERNALERROR>     py.builtin._reraise(*ex)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 123, in __init__
   INTERNALERROR>     self.result = func()
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 394, in execute
   INTERNALERROR>     res = method(*args)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/runner.py", line 65, in pytest_runtest_protocol
   INTERNALERROR>     runtestprotocol(item, nextitem=nextitem)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/runner.py", line 75, in runtestprotocol
   INTERNALERROR>     reports.append(call_and_report(item, "call", log))
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/runner.py", line 121, in call_and_report
   INTERNALERROR>     report = hook.pytest_runtest_makereport(item=item, call=call)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 521, in __call__
   INTERNALERROR>     return self._docall(self.methods, kwargs)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 528, in _docall
   INTERNALERROR>     firstresult=self.firstresult).execute()
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 393, in execute
   INTERNALERROR>     return wrapped_call(method(*args), self.execute)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 109, in wrapped_call
   INTERNALERROR>     wrap_controller.send(call_outcome)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/skipping.py", line 157, in pytest_runtest_makereport
   INTERNALERROR>     rep = outcome.get_result()
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 138, in get_result
   INTERNALERROR>     py.builtin._reraise(*ex)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 123, in __init__
   INTERNALERROR>     self.result = func()
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/core.py", line 394, in execute
   INTERNALERROR>     res = method(*args)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/runner.py", line 224, in pytest_runtest_makereport
   INTERNALERROR>     longrepr = item.repr_failure(excinfo)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/python.py", line 625, in repr_failure
   INTERNALERROR>     return self._repr_failure_py(excinfo, style=style)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/python.py", line 618, in _repr_failure_py
   INTERNALERROR>     style=style)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/main.py", line 410, in _repr_failure_py
   INTERNALERROR>     style=style, tbfilter=tbfilter)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/py/_code/code.py", line 412, in getrepr
   INTERNALERROR>     return fmt.repr_excinfo(self)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/py/_code/code.py", line 590, in repr_excinfo
   INTERNALERROR>     reprtraceback = self.repr_traceback(excinfo)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/py/_code/code.py", line 582, in repr_traceback
   INTERNALERROR>     reprentry = self.repr_traceback_entry(entry, einfo)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/py/_code/code.py", line 543, in repr_traceback_entry
   INTERNALERROR>     s = self.get_source(source, line_index, excinfo, short=short)
   INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/py/_code/code.py", line 484, in get_source
   INTERNALERROR>     lines.append(self.flow_marker + "   " + source.lines[line_index])
   INTERNALERROR> IndexError: list index out of range
   
   ============================================================================  in 0.01 seconds ============================================================================
   
10. keleshev commented on Jun 16, 2015

    

    keleshev

    on Jun 16, 2015

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    An even smaller example that reproduces it:

    $ cat test_pytest.py
    (
        #
        1 / 0
    )
    

    Removing the comment fixes it.
11. blueyed commented on Jun 24, 2015

    

    blueyed

    on Jun 24, 2015

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    The issue in pylib (https://bitbucket.org/pytest-dev/py/issue/55/broken-comment-parsing) is fixed and has been released in py 1.4.29.

    Closing this issue for pytest therefore.
12. blueyed

    closed this as completedon Jun 24, 2015
13. AvdN commented on Nov 20, 2016

    

    AvdN

    on Nov 20, 2016

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    A bit delayed, but I just came across my workaround for this, in ruamel.yaml.
    I removed the workarounds and can confirm this is solved.
    Thank you!

    👍React with 👍2Reacted by Ronny Pfannschmidt and Bruno Oliveira