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shutil.which: does not find path/cmd.ext where ext is not given #88436
Description
| BPO | 44270 |
|---|---|
| Nosy | @eryksun, @scivision |
| PRs | |
| Superseder |
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 = <Date 2021-05-31.02:51:06.833>
created_at = <Date 2021-05-31.02:15:53.119>
labels = ['type-bug', 'library', '3.9', '3.10', '3.11']
title = 'shutil.which: does not find path/cmd.ext where ext is not given'
updated_at = <Date 2021-05-31.02:51:06.829>
user = 'https://github.com/scivision'bugs.python.org fields:
activity = <Date 2021-05-31.02:51:06.829>
actor = 'eryksun'
assignee = 'none'
closed = True
closed_date = <Date 2021-05-31.02:51:06.833>
closer = 'eryksun'
components = ['Library (Lib)']
creation = <Date 2021-05-31.02:15:53.119>
creator = 'michael2'
dependencies = []
files = []
hgrepos = []
issue_num = 44270
keywords = ['patch']
message_count = 3.0
messages = ['394784', '394785', '394786']
nosy_count = 2.0
nosy_names = ['eryksun', 'michael2']
pr_nums = ['26458']
priority = 'normal'
resolution = 'duplicate'
stage = 'resolved'
status = 'closed'
superseder = '24505'
type = 'behavior'
url = 'https://bugs.python.org/issue44270'
versions = ['Python 3.9', 'Python 3.10', 'Python 3.11']
Activity
scivision commentedon May 31, 2021
The early short-circuit logic in shutil.which() when cmd includes a directory component incorrectly gives None on Windows if the correct filename suffix was not also given.
Example: on Windows if ./foo.exe exists, then shutil.which('./foo.exe') returns None.
scivision commentedon May 31, 2021
Correction:
Example: on Windows if ./foo.exe exists, then shutil.which('./foo') returns None.
eryksun commentedon May 31, 2021
Michael, thank you for the PR, but please associate it with the existing issue bpo-24505.