Allow constructing ULID from UUID

Author: abhiaagarwal

pydantic_extra_types/ulid.py

@@ -5,6 +5,7 @@
 
 from __future__ import annotations
 
+import uuid
 from dataclasses import dataclass
 from typing import Any, Union
 
@@ -54,6 +55,8 @@ def _validate_ulid(cls, value: Any, handler: core_schema.ValidatorFunctionWrapHa
                 ulid = _ULID.from_int(value)
             elif isinstance(value, str):
                 ulid = _ULID.from_str(value)
+            elif isinstance(value, uuid.UUID):
+                ulid = _ULID.from_uuid(value)
             elif isinstance(value, _ULID):
                 ulid = value
             else: