New submission from Anthony Sottile <asott...@umich.edu>:
just spent quite a bit of time debugging this, here's a minimal example:
```bash
# rm -rf a (if you want to reset)
cd /tmp
mkdir -p a/b
echo 'import os; os.chdir("..")' > a/b/c.py
cd a/b
python3 -m cProfile -o log.pstats c.py
ls -al
ls -al ..
```
example output:
```console
$ cd /tmp
$ mkdir -p a/b
$ echo 'import os; os.chdir("..")' > a/b/c.py
$ cd a/b
$ python3 -m cProfile -o log.pstats c.py
$ ls -al
total 12
drwxr-xr-x 2 asottile asottile 4096 May 3 20:35 .
drwxr-xr-x 3 asottile asottile 4096 May 3 20:35 ..
-rw-r--r-- 1 asottile asottile 26 May 3 20:35 c.py
$ ls -al ..
total 16
drwxr-xr-x 3 asottile asottile 4096 May 3 20:35 .
drwxrwxrwt 28 root root 4096 May 3 20:35 ..
drwxr-xr-x 2 asottile asottile 4096 May 3 20:35 b
-rw-r--r-- 1 asottile asottile 395 May 3 20:35 log.pstats
```
happy to work on a patch if this seems like a good idea to fix
----------
components: Library (Lib)
messages: 368008
nosy: Anthony Sottile
priority: normal
severity: normal
status: open
title: -m cProfile -o f.pstats with a script that does chdir() writes to the
changed directory and not `.`
type: behavior
versions: Python 3.9
_______________________________________
Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue40492>
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