import fsspec
fs_fsspec = fsspec.filesystem("file")
fs_fsspec.exists("C:/dev/some.txt") # ✅ file does actually exist
fs_fsspec.exists("C:/dev/foo.txt") # ✅ file does not actually exist
fs_fsspec.exists("C:/dev/tmp") # ✅ folder does not actually exist
fs_fsspec.exists("C:/dev") # ✅ folder does actually exist

from obstore.fsspec import FsspecStore
fs_fsspecstore = FsspecStore("file")
fs_fsspecstore.exists("C:/dev/some.txt") # ✅ file does actually exist
fs_fsspecstore.exists("C:/dev/foo.txt") # ✅ file does not actually exist
fs_fsspecstore.exists("C:/dev/tmp") # ✅ folder does not actually exist
fs_fsspecstore.exists("C:/dev") # ❌ folder does actually exist

---------------------------------------------------------------------------
GenericError Traceback (most recent call last)
Cell In[28], line 5
 3 fs_fsspecstore.exists("C:/dev/foo.txt") # file does not actually exist
 4 fs_fsspecstore.exists("C:/dev/tmp") # folder does nor actually exist
----> 5 fs_fsspecstore.exists("C:/dev") # folder does actually exist
File c:\Users\...\.venv\lib\site-packages\fsspec\asyn.py:118, in sync_wrapper.<locals>.wrapper(*args, **kwargs)
 115 @functools.wraps(func)
 116 def wrapper(*args, **kwargs):
 117 self = obj or args[0]
--> 118 return sync(self.loop, func, *args, **kwargs)
File c:\Users\...\.venv\lib\site-packages\fsspec\asyn.py:103, in sync(loop, func, timeout, *args, **kwargs)
 101 raise FSTimeoutError from return_result
 102 elif isinstance(return_result, BaseException):
--> 103 raise return_result
 104 else:
 105 return return_result
File c:\Users\...\.venv\lib\site-packages\fsspec\asyn.py:56, in _runner(event, coro, result, timeout)
 54 coro = asyncio.wait_for(coro, timeout=timeout)
 55 try:
---> 56 result[0] = await coro
 57 except Exception as ex:
 58 result[0] = ex
File c:\Users\...\.venv\lib\site-packages\fsspec\asyn.py:695, in AsyncFileSystem._exists(self, path, **kwargs)
 693 async def _exists(self, path, **kwargs):
 694 try:
--> 695 await self._info(path, **kwargs)
 696 return True
 697 except FileNotFoundError:
File c:\Users\...\.venv\lib\site-packages\obstore\fsspec.py:503, in FsspecStore._info(self, path, **_kwargs)
 500 store = self._construct_store(bucket)
 502 try:
--> 503 head = await obs.head_async(store, path_no_bucket)
 504 return {
 505 # Required of `info`: (?)
 506 "name": head["path"],
 (...)
 512 "version": head["version"],
 513 }
 514 except FileNotFoundError:
GenericError: Generic LocalFileSystem error: Unable to open file C:\dev: Zugriff verweigert (os error 5)
Debug source:
Generic {
 store: "LocalFileSystem",
 source: UnableToOpenFile {
 source: Os {
 code: 5,
 kind: PermissionDenied,
 message: "Zugriff verweigert",
 },
 path: "C:\\dev",
 },
}