writing to os.devnull

[franzhaas]

Checks

• I have checked that this issue has not already been reported.
• I have confirmed this bug exists on the latest version of Polars.

Reproducible example

import os
import polars as pl
pl.DataFrame().write_excel(os.devnull)

Log output

FileCreateError: [Errno 13] Permission denied: '/dev/null.xlsx'

Issue description

I cant use os.devnull to write an xlsx into "nowhere", this does work for parquet ipc..

Expected behavior

I expect to be able to write into "nowhere"

Installed versions

--------Version info---------
Polars:               1.1.0
Index type:           UInt32
Platform:             Linux-6.5.0-21-generic-x86_64-with-glibc2.35
Python:               3.10.12 (main, Mar 22 2024, 16:50:05) [GCC 11.4.0]

----Optional dependencies----
adbc_driver_manager:  <not installed>
cloudpickle:          <not installed>
connectorx:           <not installed>
deltalake:            <not installed>
fastexcel:            0.10.4
fsspec:               <not installed>
gevent:               <not installed>
great_tables:         <not installed>
hvplot:               <not installed>
matplotlib:           <not installed>
nest_asyncio:         <not installed>
numpy:                2.0.0
openpyxl:             <not installed>
pandas:               2.2.2
pyarrow:              16.1.0
pydantic:             <not installed>
pyiceberg:            <not installed>
sqlalchemy:           <not installed>
torch:                <not installed>
xlsx2csv:             <not installed>
xlsxwriter:           3.2.0