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[PDB] NameError in list comprehension in PDB #83151

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[PDB] NameError in list comprehension in PDB#83151
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3.7 (EOL)end of lifestdlibStandard Library Python modules in the Lib/ directorytype-bugAn unexpected behavior, bug, or error

Description

@castix
castix
mannequin
opened on Dec 4, 2019
BPO 38970
Nosy @xdegaye, @tirkarthi

Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2019-12-04.15:17:03.998>
labels = ['3.7', 'type-bug', 'library']
title = '[PDB] NameError in list comprehension in PDB'
updated_at = <Date 2019-12-05.08:04:29.609>
user = 'https://bugs.python.org/castix'

bugs.python.org fields:

activity = <Date 2019-12-05.08:04:29.609>
actor = 'xtreak'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2019-12-04.15:17:03.998>
creator = 'castix'
dependencies = []
files = []
hgrepos = []
issue_num = 38970
keywords = []
message_count = 2.0
messages = ['357807', '357840']
nosy_count = 3.0
nosy_names = ['xdegaye', 'xtreak', 'castix']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue38970'
versions = ['Python 3.7']

Linked PRs

Activity

  1. castix commented on Dec 4, 2019

    @castix
    castixmannequin
    on Dec 4, 2019
    MannequinAuthor

    Related to https://bugs.python.org/issue27316

    This code works from the repl:
Python 3.7.4 (default, Oct  4 2019, 06:57:26) 
[GCC 9.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import pdb; pdb.set_trace()
--Return--
> <stdin>(1)<module>()->None
(Pdb) z = True
(Pdb) [x for x in [1,2] if z]
[1, 2]
(Pdb)

    However in my (turbogears2) wsgi application it raises:
    (Pdb) z = True
    (Pdb) [x for x in [1,2] if z]
    *** NameError: name 'z' is not defined
    (Pdb) z
    True
    (Pdb)

    I don't know how to report the issue in a reproducible way.
    Thanks

  2. castix
    added
    3.7 (EOL)end of life
    stdlibStandard Library Python modules in the Lib/ directory
    type-bugAn unexpected behavior, bug, or error
    on Dec 4, 2019

  3. tirkarthi commented on Dec 5, 2019

    @tirkarthi
    tirkarthi
    on Dec 5, 2019
    Member

    I think this is same as https://bugs.python.org/issue26072#msg277578 and is reproducible with below sample script without depending on turbogears. The attached patch in the issue fixes this. Try using interact command from pdb as a workaround.

    import pdb

def foo():
  pdb.set_trace()

foo()
  4. ezio-melotti
    transferred this issue fromon Apr 10, 2022
  5. brandtbucher
    added a commit that references this issue on May 6, 2024

    GH-83151: Add closure support to pdb (GH-111094)

    e5353d4

  6. gaogaotiantian commented on May 6, 2024

    @gaogaotiantian
    gaogaotiantian
    on May 6, 2024
    Member

    This is fixed by PEP 709.

  7. gaogaotiantian
    closed this as completedon May 6, 2024
  8. SonicField
    added a commit that references this issue on May 8, 2024

    pythonGH-83151: Add closure support to pdb (pythonGH-111094)

    85a5202
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