Bucket: add string representation and equality method (#1095)

* add string representation as well as equality method

* add __hash__ method to be able to use a bucket object inside a set or a dictionary

minio/datatypes.py

@@ -51,6 +51,22 @@ def creation_date(self):
         """Get creation date."""
         return self._creation_date
 
+    def __repr__(self):
+        return "{}({!r})".format(type(self).__name__, self.name)
+
+    def __str__(self):
+        return self.name
+
+    def __eq__(self, other):
+        if isinstance(other, Bucket):
+            return self.name == other.name
+        if isinstance(other, str):
+            return self.name == other
+        return NotImplemented
+
+    def __hash__(self):
+        return hash(self.name)
+
 
 class ListAllMyBucketsResult:
     """LissBuckets API result."""