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code.interact() gives SyntaxError instead of SyntaxWarning #97562

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code.interact() gives SyntaxError instead of SyntaxWarning#97562
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type-bugAn unexpected behavior, bug, or error

Description

@aroberge
aroberge
opened on Sep 26, 2022

Bug report

In the example below, the normal interpreter only emits a SyntaxWarning which, upon execution, gives rise to a TypeError, whereas code.interact() gives a SyntaxError right away.

Python 3.11.0rc2 (main, Sep 11 2022, 20:22:52) [MSC v.1933 64 bit (AMD64)] on win32
>>> def test():
...    [1, 2, 3]()
...
<stdin>:2: SyntaxWarning: 'list' object is not callable; perhaps you missed a comma?
>>> test()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<stdin>", line 2, in test
TypeError: 'list' object is not callable
>>>
>>> import code
>>> code.interact()
(InteractiveConsole)
>>> def test():
...    [1, 2, 3]()
  File "<console>", line 2
SyntaxError: 'list' object is not callable; perhaps you missed a comma?

In addition to the above, I have been able to reproduce this with Python 3.9 and 3.10, but not with earlier Python versions.

Activity

  1. aroberge
    added
    type-bugAn unexpected behavior, bug, or error
    on Sep 26, 2022

  2. vstinner commented on Sep 26, 2022

    @vstinner
    vstinner
    on Sep 26, 2022
    Member

    cc @serhiy-storchaka

  3. serhiy-storchaka commented on Sep 26, 2022

    @serhiy-storchaka
    serhiy-storchaka
    on Sep 26, 2022
    Member

    Seems it was fixed in #96052.

  4. serhiy-storchaka
    closed this as completedon Sep 29, 2022

  5. aroberge commented on Oct 24, 2022

    @aroberge
    aroberge
    on Oct 24, 2022
    ContributorAuthor

    This was not fixed.

    > python
Python 3.11.0 (main, Oct 24 2022, 18:26:48) [MSC v.1933 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> def test():
...    [1, 2, 3]()
...
<stdin>:2: SyntaxWarning: 'list' object is not callable; perhaps you missed a comma?
>>> test()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<stdin>", line 2, in test
TypeError: 'list' object is not callable
>>> import code
>>> code.interact()
Python 3.11.0 (main, Oct 24 2022, 18:26:48) [MSC v.1933 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
(InteractiveConsole)
>>> def test():
...    [1, 2, 3]()
  File "<console>", line 2
SyntaxError: 'list' object is not callable; perhaps you missed a comma?

  6. serhiy-storchaka commented on Oct 25, 2022

    @serhiy-storchaka
    serhiy-storchaka
    on Oct 25, 2022
    Member

    I only get a warning.

  7. aroberge commented on Oct 25, 2022

    @aroberge
    aroberge
    on Oct 25, 2022
    ContributorAuthor

    I got a warning with 3.12.0a1, but not with 3.11.0. I assume it will be fixed in 3.11.1 and this can remained closed.

  8. vstinner commented on Nov 3, 2022

    @vstinner
    vstinner
    on Nov 3, 2022
    Member

    I confirm that the fix is not in Python 3.11.0 final: you will have to wait for Python 3.11.1 bugfix release.

    Python 3.11.0 has the bug (raise SyntaxError):

    $ /opt/py311/bin/python3 -m code
Python 3.11.0 (main, Oct 31 2022, 12:39:47) [GCC 12.2.1 20220819 (Red Hat 12.2.1-2)] on linux
Type "help", "copyright", "credits" or "license" for more information.
(InteractiveConsole)
>>> def test(): [1, 2, 3]()
  File "<console>", line 1
SyntaxError: 'list' object is not callable; perhaps you missed a comma?
>>> 
now exiting InteractiveConsole...

    The 3.11 development branch has the fix (display a warning):

    vstinner@mona$ ./python -m code
Python 3.11.0+ (heads/3.11:eb023a84d9, Nov  3 2022, 15:59:57) [GCC 12.2.1 20220819 (Red Hat 12.2.1-2)] on linux
Type "help", "copyright", "credits" or "license" for more information.
(InteractiveConsole)
>>> def test(): [1, 2, 3]()
... 
<console>:1: SyntaxWarning: 'list' object is not callable; perhaps you missed a comma?
>>> 
now exiting InteractiveConsole...
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