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From Petrus Hyvönen (Jira) <>
Subject [jira] [Commented] (PYLUCENE-51) "AttributeError: __module__" when running doctest
Date Sun, 13 Oct 2019 20:15:00 GMT


Petrus Hyvönen commented on PYLUCENE-51:

as of Python 3.7.0 A missing _ _ m o d u l e _ _ properties issue a wardning:


 * [bpo-20204|]{color:#222222}: Deprecation warning is now
raised for builtin types without the __module__ attribute.{color}

>From <[]>


It seems like in the python 2.7 JCC version has this attribute is set on wrapped object but
not when using Python 3.6 or 3.7. 

I am investigating if PyGetSetDef can be used for this. 

> "AttributeError: __module__" when running doctest
> -------------------------------------------------
>                 Key: PYLUCENE-51
>                 URL:
>             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/ in collect
>  for test in finder.find(module):
>  [...]/lib/python3.7/site-packages/pytest_doctestplus/ in find
>  extraglobs)
>  [...]/lib/python3.7/ in find
>  self._find(tests, obj, name, module, source_lines, globs, {})
>  [...]/lib/python3.7/ in _find
>  self._from_module(module, val)):
>  [...]/lib/python3.7/ in _from_module
>  return module._name_ == object._module_
>  E AttributeError: _module_{noformat}
> In doctest ([]), 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/ 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
> To reproduce the phenomenon, you can check out []
>  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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