refactor: import encoder from utils-genai

Author: argaj

instrumentation-genai/opentelemetry-instrumentation-google-genai/src/opentelemetry/instrumentation/google_genai/generate_content.py

@@ -57,13 +57,13 @@
     MessagePart,
     OutputMessage,
 )
+from opentelemetry.util.genai.utils import _GenAiJsonEncoder
 
 from .allowlist_util import AllowList
 from .custom_semconv import GCP_GENAI_OPERATION_CONFIG
 from .dict_util import flatten_dict
 from .flags import is_content_recording_enabled
 from .message import (
-    Base64JsonEncoder,
     to_input_messages,
     to_output_messages,
     to_system_instructions,
@@ -316,7 +316,7 @@ def _create_completion_details_attributes(
 
     if as_str:
         return {
-            k: json.dumps(v, cls=Base64JsonEncoder)
+            k: json.dumps(v, cls=_GenAiJsonEncoder)
             for k, v in attributes.items()
         }
 

instrumentation-genai/opentelemetry-instrumentation-google-genai/src/opentelemetry/instrumentation/google_genai/message.py

@@ -14,11 +14,8 @@
 
 from __future__ import annotations
 
-import json
 import logging
-from base64 import b64encode
 from enum import Enum
-from typing import Any
 
 from google.genai import types as genai_types
 
@@ -42,13 +39,6 @@ class Role(str, Enum):
     TOOL = "tool"
 
 
-class Base64JsonEncoder(json.JSONEncoder):
-    def default(self, o: Any) -> Any:
-        if isinstance(o, bytes):
-            return b64encode(o).decode()
-        return super().default(o)
-
-
 _logger = logging.getLogger(__name__)