增加环绕侦察场景适配

backend_service/venv/lib/python3.13/site-packages/fsspec/implementations/arrow.py

@@ -205,11 +205,11 @@ class ArrowFSWrapper(AbstractFileSystem):
         return self.fs.get_file_info(path).mtime
 
     def cat_file(self, path, start=None, end=None, **kwargs):
-        kwargs["seekable"] = start not in [None, 0]
+        kwargs.setdefault("seekable", start not in [None, 0])
         return super().cat_file(path, start=None, end=None, **kwargs)
 
     def get_file(self, rpath, lpath, **kwargs):
-        kwargs["seekable"] = False
+        kwargs.setdefault("seekable", False)
         super().get_file(rpath, lpath, **kwargs)
 
 
@@ -223,7 +223,6 @@ class ArrowFSWrapper(AbstractFileSystem):
         "readable",
         "writable",
         "close",
-        "size",
         "seekable",
     ],
 )
@@ -241,6 +240,10 @@ class ArrowFile(io.IOBase):
     def __enter__(self):
         return self
 
+    @property
+    def size(self):
+        return self.stream.size()
+
     def __exit__(self, *args):
         return self.close()
 

backend_service/venv/lib/python3.13/site-packages/fsspec/implementations/asyn_wrapper.py

@@ -5,6 +5,8 @@ import inspect
 import fsspec
 from fsspec.asyn import AsyncFileSystem, running_async
 
+from .chained import ChainedFileSystem
+
 
 def async_wrapper(func, obj=None, semaphore=None):
     """
@@ -35,7 +37,7 @@ def async_wrapper(func, obj=None, semaphore=None):
     return wrapper
 
 
-class AsyncFileSystemWrapper(AsyncFileSystem):
+class AsyncFileSystemWrapper(AsyncFileSystem, ChainedFileSystem):
     """
     A wrapper class to convert a synchronous filesystem into an asynchronous one.
 

backend_service/venv/lib/python3.13/site-packages/fsspec/implementations/cache_metadata.py

@@ -15,9 +15,7 @@ except ImportError:
 
 if TYPE_CHECKING:
     from collections.abc import Iterator
-    from typing import Any, Literal
-
-    from typing_extensions import TypeAlias
+    from typing import Any, Literal, TypeAlias
 
     from .cached import CachingFileSystem
 

backend_service/venv/lib/python3.13/site-packages/fsspec/implementations/cached.py

@@ -6,8 +6,9 @@ import os
 import tempfile
 import time
 import weakref
+from collections.abc import Callable
 from shutil import rmtree
-from typing import TYPE_CHECKING, Any, Callable, ClassVar
+from typing import TYPE_CHECKING, Any, ClassVar
 
 from fsspec import filesystem
 from fsspec.callbacks import DEFAULT_CALLBACK

backend_service/venv/lib/python3.13/site-packages/fsspec/implementations/data.py

@@ -1,6 +1,5 @@
 import base64
 import io
-from typing import Optional
 from urllib.parse import unquote
 
 from fsspec import AbstractFileSystem
@@ -50,7 +49,7 @@ class DataFileSystem(AbstractFileSystem):
         return io.BytesIO(self.cat_file(path))
 
     @staticmethod
-    def encode(data: bytes, mime: Optional[str] = None):
+    def encode(data: bytes, mime: str | None = None):
         """Format the given data into data-URL syntax
 
         This version always base64 encodes, even when the data is ascii/url-safe.

backend_service/venv/lib/python3.13/site-packages/fsspec/implementations/dirfs.py

@@ -1,8 +1,9 @@
 from .. import filesystem
 from ..asyn import AsyncFileSystem
+from .chained import ChainedFileSystem
 
 
-class DirFileSystem(AsyncFileSystem):
+class DirFileSystem(AsyncFileSystem, ChainedFileSystem):
     """Directory prefix filesystem
 
     The DirFileSystem is a filesystem-wrapper. It assumes every path it is dealing with

backend_service/venv/lib/python3.13/site-packages/fsspec/implementations/http.py

@@ -327,7 +327,7 @@ class HTTPFileSystem(AsyncFileSystem):
         async with meth(self.encode_url(rpath), data=gen_chunks(), **kw) as resp:
             self._raise_not_found_for_status(resp, rpath)
 
-    async def _exists(self, path, **kwargs):
+    async def _exists(self, path, strict=False, **kwargs):
         kw = self.kwargs.copy()
         kw.update(kwargs)
         try:
@@ -335,8 +335,14 @@ class HTTPFileSystem(AsyncFileSystem):
             session = await self.set_session()
             r = await session.get(self.encode_url(path), **kw)
             async with r:
+                if strict:
+                    self._raise_not_found_for_status(r, path)
                 return r.status < 400
+        except FileNotFoundError:
+            return False
         except aiohttp.ClientError:
+            if strict:
+                raise
             return False
 
     async def _isfile(self, path, **kwargs):

backend_service/venv/lib/python3.13/site-packages/fsspec/implementations/http_sync.py

@@ -463,14 +463,20 @@ class HTTPFileSystem(AbstractFileSystem):
                 end -= 1  # bytes range is inclusive
         return f"bytes={start}-{end}"
 
-    def exists(self, path, **kwargs):
+    def exists(self, path, strict=False, **kwargs):
         kw = self.kwargs.copy()
         kw.update(kwargs)
         try:
             logger.debug(path)
             r = self.session.get(self.encode_url(path), **kw)
+            if strict:
+                self._raise_not_found_for_status(r, path)
             return r.status_code < 400
+        except FileNotFoundError:
+            return False
         except Exception:
+            if strict:
+                raise
             return False
 
     def isfile(self, path, **kwargs):

backend_service/venv/lib/python3.13/site-packages/fsspec/implementations/libarchive.py

@@ -195,7 +195,7 @@ class LibArchiveFileSystem(AbstractArchiveFileSystem):
         if mode != "rb":
             raise NotImplementedError
 
-        data = bytes()
+        data = b""
         with self._open_archive() as arc:
             for entry in arc:
                 if entry.pathname != path:

backend_service/venv/lib/python3.13/site-packages/fsspec/implementations/reference.py

@@ -219,7 +219,7 @@ class LazyReferenceMapper(collections.abc.MutableMapping):
         fs.pipe("/".join([root, ".zmetadata"]), json.dumps(met).encode())
         return LazyReferenceMapper(root, fs, **kwargs)
 
-    @lru_cache()
+    @lru_cache
     def listdir(self):
         """List top-level directories"""
         dirs = (p.rsplit("/", 1)[0] for p in self.zmetadata if not p.startswith(".z"))