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()