[issue43153] tempfile seems to treat a file as a directory when processing an exception in the onerror()

[Oleg Navolotsky]

New submission from Oleg Navolotsky <oleg.navolot...@gmail.com>:

>>> import sys, tempfile, os
>>> sys.version
'3.9.1 (tags/v3.9.1:1e5d33e, Dec  7 2020, 17:08:21) [MSC v.1927 64 bit (AMD64)]'
>>> folder = tempfile.TemporaryDirectory()
>>> file = open(os.path.join(folder.name, "example.txt"), 'wb')
>>> folder.cleanup()
Traceback (most recent call last):
  File "C:\Users\user0\AppData\Local\Programs\Python\Python39\lib\shutil.py", 
line 616, in _rmtree_unsafe
    os.unlink(fullname)
PermissionError: [WinError 32] Процесс не может получить доступ к файлу, так 
как этот файл занят другим процессом: 
'C:\\Users\\user0\\AppData\\Local\\Temp\\tmpin8xeb9b\\example.txt'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\user0\AppData\Local\Programs\Python\Python39\lib\tempfile.py", 
line 801, in onerror
    _os.unlink(path)
PermissionError: [WinError 32] Процесс не может получить доступ к файлу, так 
как этот файл занят другим процессом: 
'C:\\Users\\user0\\AppData\\Local\\Temp\\tmpin8xeb9b\\example.txt'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\user0\AppData\Local\Programs\Python\Python39\lib\tempfile.py", 
line 830, in cleanup
    self._rmtree(self.name)
  File "C:\Users\user0\AppData\Local\Programs\Python\Python39\lib\tempfile.py", 
line 812, in _rmtree
    _shutil.rmtree(name, onerror=onerror)
  File "C:\Users\user0\AppData\Local\Programs\Python\Python39\lib\shutil.py", 
line 740, in rmtree
    return _rmtree_unsafe(path, onerror)
  File "C:\Users\user0\AppData\Local\Programs\Python\Python39\lib\shutil.py", 
line 618, in _rmtree_unsafe
    onerror(os.unlink, fullname, sys.exc_info())
  File "C:\Users\user0\AppData\Local\Programs\Python\Python39\lib\tempfile.py", 
line 804, in onerror
    cls._rmtree(path)
  File "C:\Users\user0\AppData\Local\Programs\Python\Python39\lib\tempfile.py", 
line 812, in _rmtree
    _shutil.rmtree(name, onerror=onerror)
  File "C:\Users\user0\AppData\Local\Programs\Python\Python39\lib\shutil.py", 
line 740, in rmtree
    return _rmtree_unsafe(path, onerror)
  File "C:\Users\user0\AppData\Local\Programs\Python\Python39\lib\shutil.py", 
line 599, in _rmtree_unsafe
    onerror(os.scandir, path, sys.exc_info())
  File "C:\Users\user0\AppData\Local\Programs\Python\Python39\lib\shutil.py", 
line 596, in _rmtree_unsafe
    with os.scandir(path) as scandir_it:
NotADirectoryError: [WinError 267] Неверно задано имя папки: 
'C:\\Users\\user0\\AppData\\Local\\Temp\\tmpin8xeb9b\\example.txt'

----------
components: Library (Lib)
messages: 386587
nosy: mehwhatever0
priority: normal
severity: normal
status: open
title: tempfile seems to treat a file as a directory when processing an 
exception in the onerror()
type: behavior
versions: Python 3.9

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<https://bugs.python.org/issue43153>
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