chore: initial snapshot for gitea/github upload

llm-gateway-competitors/litellm-wheel-src/litellm/llms/vertex_ai/count_tokens/handler.py

@@ -0,0 +1,48 @@
+from typing import Any, Dict, Optional, Tuple
+
+from litellm.llms.gemini.count_tokens.handler import GoogleAIStudioTokenCounter
+from litellm.llms.vertex_ai.vertex_llm_base import VertexBase
+
+
+class VertexAITokenCounter(GoogleAIStudioTokenCounter, VertexBase):
+    async def validate_environment(
+        self,
+        api_base: Optional[str] = None,
+        api_key: Optional[str] = None,
+        headers: Optional[Dict[str, Any]] = None,
+        model: str = "",
+        litellm_params: Optional[Dict[str, Any]] = None,
+    ) -> Tuple[Dict[str, Any], str]:
+        """
+        Returns a Tuple of headers and url for the Vertex AI countTokens endpoint.
+        """
+        litellm_params = litellm_params or {}
+        vertex_credentials = self.get_vertex_ai_credentials(
+            litellm_params=litellm_params
+        )
+        vertex_project = self.get_vertex_ai_project(litellm_params=litellm_params)
+        vertex_location = self.get_vertex_ai_location(litellm_params=litellm_params)
+        should_use_v1beta1_features = self.is_using_v1beta1_features(litellm_params)
+        _auth_header, vertex_project = await self._ensure_access_token_async(
+            credentials=vertex_credentials,
+            project_id=vertex_project,
+            custom_llm_provider="vertex_ai",
+        )
+
+        auth_header, api_base = self._get_token_and_url(
+            model=model,
+            gemini_api_key=None,
+            auth_header=_auth_header,
+            vertex_project=vertex_project,
+            vertex_location=vertex_location,
+            vertex_credentials=vertex_credentials,
+            stream=False,
+            custom_llm_provider="vertex_ai",
+            api_base=None,
+            should_use_v1beta1_features=should_use_v1beta1_features,
+            mode="count_tokens",
+        )
+        headers = {
+            "Authorization": f"Bearer {auth_header}",
+        }
+        return headers, api_base