[issue42384] Inconsistent sys.path between python and pdb

[Guido van Rossum]

Change by Guido van Rossum :


--
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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[issue42384] Inconsistent sys.path between python and pdb

[Guido van Rossum]

Guido van Rossum  added the comment:


New changeset c10180ea1458aa0ffd7793cb75629ebffe8a257e by Andrey Bienkowski in 
branch '3.8':
[3.8] bpo-42384: pdb: correctly populate sys.path[0] (GH-23338) (#24320)
https://github.com/python/cpython/commit/c10180ea1458aa0ffd7793cb75629ebffe8a257e


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[issue42384] Inconsistent sys.path between python and pdb

[Guido van Rossum]

Guido van Rossum  added the comment:


New changeset f2df7958fb82cd927e17152b3a1bd2823a76dd3e by Andrey Bienkowski in 
branch '3.9':
[3.9] bpo-42384: pdb: correctly populate sys.path[0] (GH-23338) (#24321)
https://github.com/python/cpython/commit/f2df7958fb82cd927e17152b3a1bd2823a76dd3e


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[issue42384] Inconsistent sys.path between python and pdb

[Andrey Bienkowski]

Change by Andrey Bienkowski :


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pull_requests: +23141
pull_request: https://github.com/python/cpython/pull/23412

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[issue42384] Inconsistent sys.path between python and pdb

[Andrey Bienkowski]

Change by Andrey Bienkowski :


--
pull_requests: +23140
pull_request: https://github.com/python/cpython/pull/24321

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[issue42384] Inconsistent sys.path between python and pdb

[Andrey Bienkowski]

Change by Andrey Bienkowski :


--
pull_requests: +23139
pull_request: https://github.com/python/cpython/pull/24320

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[issue42384] Inconsistent sys.path between python and pdb

[Andrey Bienkowski]

Andrey Bienkowski  added the comment:

I'll give it a try

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[issue42384] Inconsistent sys.path between python and pdb

[Guido van Rossum]

Guido van Rossum  added the comment:

Hey Andrey, this has been merged into 3.10, but the backports didn't work 
because the structure of the tests has changed (os_helper doesn't exist). Do 
you want to fix these?

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nosy: +gvanrossum

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[issue42384] Inconsistent sys.path between python and pdb

[miss-islington]

miss-islington  added the comment:


New changeset 8603dfb4219989644601f6ede75b57e82648cd4e by Andrey Bienkowski in 
branch 'master':
bpo-42384: pdb: correctly populate sys.path[0] (GH-23338)
https://github.com/python/cpython/commit/8603dfb4219989644601f6ede75b57e82648cd4e


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[issue42384] Inconsistent sys.path between python and pdb

[miss-islington]

Change by miss-islington :


--
pull_requests: +23112
pull_request: https://github.com/python/cpython/pull/24291

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[issue42384] Inconsistent sys.path between python and pdb

[miss-islington]

Change by miss-islington :


--
nosy: +miss-islington
nosy_count: 1.0 -> 2.0
pull_requests: +23111
pull_request: https://github.com/python/cpython/pull/24290

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[issue42384] Inconsistent sys.path between python and pdb

[Andrey Bienkowski]

Change by Andrey Bienkowski :


--
keywords: +patch
pull_requests: +8
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/23338

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[issue42384] Inconsistent sys.path between python and pdb

[Andrey Bienkowski]

Andrey Bienkowski  added the comment:

After reading Lib/pdb.py:main I believe I can fix both by changing a single 
line.

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[issue42384] Inconsistent sys.path between python and pdb

[Andrey Bienkowski]

Andrey Bienkowski  added the comment:

I'll look into fixing this after I fix #42383

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[issue42384] Inconsistent sys.path between python and pdb

[Andrey Bienkowski]

New submission from Andrey Bienkowski :

The first entry in sys.path is different between `python foo.py` and `python -m 
pdb foo.py`. In the former it is the absolute path to the parent directory of 
foo.py while in the later it is a relative path (unless the debug target was 
specified using an absolute path). The meaning of the absolute path does not 
change when the current directory changes (e.g. via os.chdir()) while the 
meaning of the relative path does. Like any environment inconsistency between 
regular program execution and the debugger this may lead to bugs that 
mysteriously vanish when you try to debug them.

$ cat > print-path.py
import sys
from pprint import pprint

pprint(sys.path)
$ python3 print-path.py 
['/home/user',
 '/usr/lib64/python38.zip',
 '/usr/lib64/python3.8',
 '/usr/lib64/python3.8/lib-dynload',
 '/usr/lib64/python3.8/site-packages',
 '/usr/lib/python3.8/site-packages']
$ python3 -m pdb print-path.py  
> /home/user/print-path.py(1)()
-> import sys
(Pdb) c
['',
 '/usr/lib64/python38.zip',
 '/usr/lib64/python3.8',
 '/usr/lib64/python3.8/lib-dynload',
 '/usr/lib64/python3.8/site-packages',
 '/usr/lib/python3.8/site-packages']

--
messages: 381215
nosy: hexagonrecursion
priority: normal
severity: normal
status: open
title: Inconsistent sys.path between python and pdb

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