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Author: Martin Durant

fsspec/implementations/memory.py

@@ -26,6 +26,8 @@ class MemoryFileSystem(AbstractFileSystem):
     def _strip_protocol(cls, path):
         if path.startswith("memory://"):
             path = path[len("memory://") :]
+        if "::" in path or "://" in path:
+            return path.rstrip("/")
         path = path.lstrip("/").rstrip("/")
         return "/" + path if path else ""
 

fsspec/implementations/tests/test_dask.py

@@ -27,4 +27,4 @@ def test_basic(cli):
 
     fs = fsspec.filesystem("dask", target_protocol="memory")
     assert fs.ls("") == ["/afile"]
-    assert fs.cat("afile") == b"data"
+    assert fs.cat("/afile") == b"data"