UDF: Add deregister method. (#591)

- Adds udf.deregister method.
-  Refactors udf.delete method to work with URI.

src/tiledb/cloud/_common/testonly.py

@@ -32,7 +32,7 @@ def register_udf(func: Callable, func_name: Optional[str] = None) -> Iterator[st
     try:
         yield f"{ns}/{func_name}"
     finally:
-        udf.delete(func_name, ns)
+        udf.delete(uri=f"tiledb://{ns}/{func_name}")
 
 
 def random_name(name: str) -> str:

src/tiledb/cloud/udf.py

@@ -1,6 +1,7 @@
 import base64
 import uuid
 import warnings
+from logging import warning
 from typing import Any, Callable, Iterable, Optional, Union
 
 import cloudpickle
@@ -550,14 +551,32 @@ def unshare(name=None, namespace=None, async_req=False):
 """
 
 
-def delete(name, namespace, async_req=False):
+def delete(
+    uri: str, namespace: Optional[str] = None, *, async_req: bool = False
+) -> None:
     """
     Deletes a registered udf
-    :param name: name of udf
-    :param namespace: namespace the udf belongs to
-    :param async_req: return future instead of results for async support
+
+    :param uri: TileDB URI of the udf, defaults to None.
+    :param namespace: namespace the udf belongs to, defaults to None.
+        DEPRECATION WARNING: Will be deprecate from version 0.12.17
+    :param async_req: Return future instead of results for async support
     :return: deleted udf details
     """
+    try:
+        namespace, name = utils.split_uri(uri)
+    except Exception as exc:
+        if str(exc).startswith("Incorrect"):
+            warning(
+                DeprecationWarning(
+                    "From version 0.12.17 the method will accept"
+                    "only `tiledb://<namespace>/<name>` URIs"
+                ),
+            )
+            name = uri
+        else:
+            raise exc
+
     try:
         api_instance = client.build(rest_api.UdfApi)
 
@@ -570,6 +589,20 @@ def delete(name, namespace, async_req=False):
         raise tiledb_cloud_error.check_exc(exc) from None
 
 
+def deregister(uri: str, *, async_req: bool = False):
+    """
+    De-registers a registered udf, by de-registering the array that it
+    is registered on.
+    This does not physically delete the array, it will remain in your bucket.
+    All access to the array and cloud metadata will be removed.
+
+    :param uri: TileDB URI of the array.
+    :param async_req: Return future instead of results for async support
+    :return success or error
+    """
+    return array.deregister_array(uri=uri, async_req=async_req)
+
+
 class _StoredParamJSONer(tiledb_json.Encoder):
     """Turns parameters passed to the existing UDF APIs into TileDB JSON.