Restore from_uri path, minimize behavioral changes

Keep the original two-path structure in _initialize_hdfs_fs
to preserve viewfs and host:port handling via from_uri.
Only add replication query param to the existing URI path.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: 2 people

pyiceberg/io/pyarrow.py

@@ -578,12 +578,12 @@ def _initialize_azure_fs(self) -> FileSystem:
     def _initialize_hdfs_fs(self, scheme: str, netloc: Optional[str]) -> FileSystem:
         from pyarrow.fs import HadoopFileSystem
 
-        hdfs_kwargs: Dict[str, Any] = {}
         replication = self.properties.get(HDFS_REPLICATION, "0")
-        hdfs_kwargs["replication"] = int(replication)
         if netloc:
-            hdfs_kwargs["host"] = netloc
-        elif host := self.properties.get(HDFS_HOST):
+            return HadoopFileSystem.from_uri(f"{scheme}://{netloc}/?replication={replication}")
+
+        hdfs_kwargs: Dict[str, Any] = {"replication": int(replication)}
+        if host := self.properties.get(HDFS_HOST):
             hdfs_kwargs["host"] = host
         if port := self.properties.get(HDFS_PORT):
             # port should be an integer type