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Hi, I have a feature request. Could the sshfs.SSHFileSystem get an implementation for _cat_file?
sshfs.SSHFileSystem
_cat_file
I'm trying to use sshfs with zarr, but hit a NotImplementedError when I try to construct a group.
sshfs
zarr
NotImplementedError
group
Roughly what I've run:
import sshfs, zarr fs = sshfs.SSHFileSystem(host) store = zarr.storage.FSStore("/path/to/data.zarr", fs=fs, mode="r") g = zarr.open(store)
File /usr/local/Cellar/[email protected]/3.9.12/Frameworks/Python.framework/Versions/3.9/lib/python3.9/asyncio/tasks.py:442, in wait_for(fut, timeout, loop) 437 warnings.warn("The loop argument is deprecated since Python 3.8, " 438 "and scheduled for removal in Python 3.10.", 439 DeprecationWarning, stacklevel=2) 441 if timeout is None: --> 442 return await fut 444 if timeout <= 0: 445 fut = ensure_future(fut, loop=loop) File /usr/local/lib/python3.9/site-packages/fsspec/asyn.py:395, in AsyncFileSystem._cat_file(self, path, start, end, **kwargs) 394 async def _cat_file(self, path, start=None, end=None, **kwargs): --> 395 raise NotImplementedError
--------------------------------------------------------------------------- NotImplementedError Traceback (most recent call last) Cell In[69], line 1 ----> 1 g = zarr.open(store, mode="r") File /usr/local/lib/python3.9/site-packages/zarr/convenience.py:120, in open(store, mode, zarr_version, path, **kwargs) 118 return open_array(_store, mode=mode, **kwargs) 119 elif contains_group(_store, path): --> 120 return open_group(_store, mode=mode, **kwargs) 121 else: 122 raise PathNotFoundError(path) File /usr/local/lib/python3.9/site-packages/zarr/hierarchy.py:1465, in open_group(store, mode, cache_attrs, synchronizer, path, chunk_store, storage_options, zarr_version, meta_array) 1462 # determine read only status 1463 read_only = mode == 'r' -> 1465 return Group(store, read_only=read_only, cache_attrs=cache_attrs, 1466 synchronizer=synchronizer, path=path, chunk_store=chunk_store, 1467 zarr_version=zarr_version, meta_array=meta_array) File /usr/local/lib/python3.9/site-packages/zarr/hierarchy.py:164, in Group.__init__(self, store, path, read_only, chunk_store, cache_attrs, synchronizer, zarr_version, meta_array) 162 mkey = _prefix_to_group_key(self._store, self._key_prefix) 163 assert not mkey.endswith("root/.group") --> 164 meta_bytes = store[mkey] 165 except KeyError: 166 if self._version == 2: File /usr/local/lib/python3.9/site-packages/zarr/storage.py:1393, in FSStore.__getitem__(self, key) 1391 key = self._normalize_key(key) 1392 try: -> 1393 return self.map[key] 1394 except self.exceptions as e: 1395 raise KeyError(key) from e File /usr/local/lib/python3.9/site-packages/fsspec/mapping.py:143, in FSMap.__getitem__(self, key, default) 141 k = self._key_to_str(key) 142 try: --> 143 result = self.fs.cat(k) 144 except self.missing_exceptions: 145 if default is not None: File /usr/local/lib/python3.9/site-packages/fsspec/asyn.py:114, in sync_wrapper.<locals>.wrapper(*args, **kwargs) 111 @functools.wraps(func) 112 def wrapper(*args, **kwargs): 113 self = obj or args[0] --> 114 return sync(self.loop, func, *args, **kwargs) File /usr/local/lib/python3.9/site-packages/fsspec/asyn.py:99, in sync(loop, func, timeout, *args, **kwargs) 97 raise FSTimeoutError from return_result 98 elif isinstance(return_result, BaseException): ---> 99 raise return_result 100 else: 101 return return_result File /usr/local/lib/python3.9/site-packages/fsspec/asyn.py:54, in _runner(event, coro, result, timeout) 52 coro = asyncio.wait_for(coro, timeout=timeout) 53 try: ---> 54 result[0] = await coro 55 except Exception as ex: 56 result[0] = ex File /usr/local/lib/python3.9/site-packages/fsspec/asyn.py:409, in AsyncFileSystem._cat(self, path, recursive, on_error, batch_size, **kwargs) 407 ex = next(filter(is_exception, out), False) 408 if ex: --> 409 raise ex 410 if ( 411 len(paths) > 1 412 or isinstance(path, list) 413 or paths[0] != self._strip_protocol(path) 414 ): 415 return { 416 k: v 417 for k, v in zip(paths, out) 418 if on_error != "omit" or not is_exception(v) 419 } File /usr/local/Cellar/[email protected]/3.9.12/Frameworks/Python.framework/Versions/3.9/lib/python3.9/asyncio/tasks.py:442, in wait_for(fut, timeout, loop) 437 warnings.warn("The loop argument is deprecated since Python 3.8, " 438 "and scheduled for removal in Python 3.10.", 439 DeprecationWarning, stacklevel=2) 441 if timeout is None: --> 442 return await fut 444 if timeout <= 0: 445 fut = ensure_future(fut, loop=loop) File /usr/local/lib/python3.9/site-packages/fsspec/asyn.py:395, in AsyncFileSystem._cat_file(self, path, start, end, **kwargs) 394 async def _cat_file(self, path, start=None, end=None, **kwargs): --> 395 raise NotImplementedError NotImplementedError:
The text was updated successfully, but these errors were encountered:
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Hi, I have a feature request. Could the
sshfs.SSHFileSystem
get an implementation for_cat_file
?I'm trying to use
sshfs
withzarr
, but hit aNotImplementedError
when I try to construct agroup
.Roughly what I've run:
Full Traceback
The text was updated successfully, but these errors were encountered: