[issue40587] [regression] inspect.getdoc not returning docstring.

[Terry J. Reedy]

Terry J. Reedy  added the comment:

This change was part of #40257 and is being discussed there (where I suggested 
reverting it).

--
nosy: +terry.reedy
resolution:  -> duplicate
stage:  -> resolved
status: open -> closed

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[issue40587] [regression] inspect.getdoc not returning docstring.

[Matthias Bussonnier]

Matthias Bussonnier  added the comment:

That will break a lot o the interactive usage for the scientific ecossytem 
Imho, 

For example anyone that get a Pandas Dataframe and try to get help on it either 
via help(df), or `df?` in IPython/Jupyter.

Might be purposeful (https://bugs.python.org/issue40257)

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[issue40587] [regression] inspect.getdoc not returning docstring.

[Matthias Bussonnier]

New submission from Matthias Bussonnier :

In python 3.8:

```
>>> class A(object):
... """standard docstring"""
... pass
...
>>> import inspect
>>> inspect.getdoc(A())
'standard docstring'
```

In 3.9:

```
$ python
Python 3.9.0a6+ (heads/master:5b956ca42d, May 10 2020, 20:31:26)
[Clang 9.0.0 (clang-900.0.39.2)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> class A(object):
KeyboardInterrupt
>>> class A(object):
... """standard docstring"""
... pass
...
>>> import inspect
>>> inspect.getdoc(A())
>>>
```

--
messages: 368603
nosy: mbussonn
priority: normal
severity: normal
status: open
title: [regression] inspect.getdoc not returning docstring.

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[issue40587] [regression] inspect.getdoc not returning docstring.

[Matthias Bussonnier]

Change by Matthias Bussonnier :


--
components: +Interpreter Core
versions: +Python 3.9

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