'S3File' object has no attribute 'forced'

[digital-idiot]

Getting the following error when trying to create and write to a file:

Related Original Issue: Toblerity/Fiona#1476 (comment)

Exception ignored in: <function AbstractBufferedFile.__del__ at 0x10788b560>
Traceback (most recent call last):
  File "~/.micromamba/envs/PyDev/lib/python3.12/site-packages/fsspec/spec.py", line 2216, in __del__
    self.close()
  File "~/.micromamba/envs/PyDev/lib/python3.12/site-packages/fsspec/spec.py", line 2177, in close
    if not self.forced:
           ^^^^^^^^^^^
AttributeError: 'S3File' object has no attribute 'forced'

---

fsspec.__version__
Out: '2024.12.0'

s3fs.__version__
Out: '2024.12.0'

EDIT

Turns out fiona is using 'wb+' file mode which does not seem to be supported by 'S3File' object.

[martindurant]

Turns out fiona is using 'wb+' file mode which does not seem to be supported by 'S3File' object.

Would you be willing to provide a PR to raise an appropriate exception for this case? Seeking and writing inplace for remote files is not generally possible, uploads are always essentially streamed.