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From "Andreas Vajda (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (PYLUCENE-51) "AttributeError: __module__" when running doctest
Date Fri, 11 Oct 2019 01:12:00 GMT

     [ https://issues.apache.org/jira/browse/PYLUCENE-51?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andreas Vajda resolved PYLUCENE-51.
-----------------------------------
    Resolution: Invalid

Resolving as INVALID since I don't know what this is actually about.
Feel free to reopen if you have more information.


> "AttributeError: __module__" when running doctest
> -------------------------------------------------
>
>                 Key: PYLUCENE-51
>                 URL: https://issues.apache.org/jira/browse/PYLUCENE-51
>             Project: PyLucene
>          Issue Type: Bug
>         Environment: Ubuntu 19.04, Python 3.7
>            Reporter: Clément Jonglez
>            Priority: Major
>
> Dear all,
> I am using the Orekit Python wrapper by [~petrush] . I am running into errors & warnings
when trying to run tests with doctest. When collecting tests, it analyzes the classes (all
the 1000+ wrapped Java classes it seems) and runs into the following error:
> {noformat}
> [...]/lib/python3.7/site-packages/pytest_doctestplus/plugin.py:137: in collect
>  for test in finder.find(module):
>  [...]/lib/python3.7/site-packages/pytest_doctestplus/plugin.py:425: in find
>  extraglobs)
>  [...]/lib/python3.7/doctest.py:932: in find
>  self._find(tests, obj, name, module, source_lines, globs, {})
>  [...]/lib/python3.7/doctest.py:993: in _find
>  self._from_module(module, val)):
>  [...]/lib/python3.7/doctest.py:960: in _from_module
>  return module._name_ == object._module_
>  E AttributeError: _module_{noformat}
>  
> In doctest ([https://github.com/python/cpython/blob/master/Lib/doctest.py#L959]), the
> {code:java}
> inspect.isclass(object) {code}
> condition at line 959 returns `True`, and therefore doctest tries to access the object's
__module__ attribute, which does not seem to exist.
> Besides, pytest prints a warning for each Java class being wrapped, also because they
have no __module__ attribute (this is one example of 1000+ warnings):
> {noformat}
> [...]/lib/python3.7/importlib/bootstrap.py:219: DeprecationWarning: builtin type ExtendedKalmanFilter
has no __module_ attribute
>  return f(*args, **kwds){noformat}
> This phenomenon is new because 6 months ago I could run pytest & doctest successfully
with Orekit. I could not find which module contains the change that broke stuff since then
though.
> To reproduce the phenomenon, you can check out [https://github.com/GorgiAstro/poliastro/blob/orekit-validation/src/poliastro/tests/tests_twobody/test_propagation.py#L164]
>  I was trying to validate some poliastro features using the Orekit python wrapper. So
this code requires poliastro, it is available on conda-forge.
> Cheers
> Clément



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