pathlib.Path.is_file vs os.path.isfile difference

[Thomas Passin]

On 3/8/2024 2:21 PM, Grant Edwards via Python-list wrote:
> On 2024-03-08, Thomas Passin via Python-list <python-list at python.org> wrote:
>> On 3/8/2024 1:03 PM, Albert-Jan Roskam via Python-list wrote:
>>>      Hi,
>>>      I was replacing some os.path stuff with Pathlib and I discovered this:
>>>      Path(256 * "x").is_file()  # OSError
>>>      os.path.isfile(256 * "x")  # bool
>>>      Is this intended? Does pathlib try to resemble os.path as closely as
>>>      possible?
>>
>> You must have an very old version of Python.  I'm running 3.12.2 and it
>> returns False.
> 
> It throws OSError with Python 3.11.8 on Linux.

Sorry, I should have said on Windows.

> 
> $ python
> Python 3.11.8 (main, Feb 23 2024, 16:11:29) [GCC 13.2.1 20240113] on linux
> Type "help", "copyright", "credits" or "license" for more information.
>>>> import pathlib
>>>> pathlib.Path(256 * "x").is_file()
> Traceback (most recent call last):
>    File "<stdin>", line 1, in <module>
>    File "/usr/lib/python3.11/pathlib.py", line 1267, in is_file
>      return S_ISREG(self.stat().st_mode)
>                     ^^^^^^^^^^^
>    File "/usr/lib/python3.11/pathlib.py", line 1013, in stat
>      return os.stat(self, follow_symlinks=follow_symlinks)
>             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> OSError: [Errno 36] File name too long: 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
>>>>
>>>> import os
>>>> os.path.isfile(256 * "x")
> False
>