Add __eq__ and __hash__ methods to ManifestFile (apache#2233)

Author: smaheshwar-pltr

pyiceberg/manifest.py

@@ -866,6 +866,14 @@ def fetch_manifest_entry(self, io: FileIO, discard_deleted: bool = True) -> List
                 if not discard_deleted or entry.status != ManifestEntryStatus.DELETED
             ]
 
+    def __eq__(self, other: Any) -> bool:
+        """Return the equality of two instances of the ManifestFile class."""
+        return self.manifest_path == other.manifest_path if isinstance(other, ManifestFile) else False
+
+    def __hash__(self) -> int:
+        """Return the hash of manifest_path."""
+        return hash(self.manifest_path)
+
 
 @cached(cache=LRUCache(maxsize=128), key=lambda io, manifest_list: hashkey(manifest_list))
 def _manifests(io: FileIO, manifest_list: str) -> Tuple[ManifestFile, ...]: