feat(bindings/python): allow Path in root

bindings/python/src/operator.rs

@@ -70,12 +70,13 @@ impl Operator {
                     .set_source(err)
             })
             .map_err(format_pyerr)?;
-        let map = map
-            .map(|v| {
-                v.extract::<HashMap<String, String>>()
-                    .expect("must be valid hashmap")
-            })
-            .unwrap_or_default();
+        let map = if let Some(v) = map {
+            v.iter()
+                .map(|(k, v)| Ok((k.extract::<String>()?, v.str()?.to_string())))
+                .collect::<PyResult<HashMap<String, String>>>()?
+        } else {
+            HashMap::default()
+        };
 
         Ok(Operator {
             core: build_blocking_operator(scheme, map.clone())?,
@@ -336,12 +337,13 @@ impl AsyncOperator {
                     .set_source(err)
             })
             .map_err(format_pyerr)?;
-        let map = map
-            .map(|v| {
-                v.extract::<HashMap<String, String>>()
-                    .expect("must be valid hashmap")
-            })
-            .unwrap_or_default();
+        let map = if let Some(v) = map {
+            v.iter()
+                .map(|(k, v)| Ok((k.extract::<String>()?, v.str()?.to_string())))
+                .collect::<PyResult<HashMap<String, String>>>()?
+        } else {
+            HashMap::default()
+        };
 
         Ok(AsyncOperator {
             core: build_operator(scheme, map.clone())?,

bindings/python/tests/test_operator_construction.py

@@ -0,0 +1,33 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+from pathlib import Path
+import opendal
+import pytest
+
+
+def test_operator_new_with_path():
+    op = opendal.Operator("memory", root=Path("/tmp"))
+    assert op is not None
+    assert op.capability().read
+
+
+@pytest.mark.asyncio
+def test_async_operator_new_with_path():
+    op = opendal.AsyncOperator("memory", root=Path("/tmp"))
+    assert op is not None
+    assert op.capability().read