exa: init pkg (#16553)

libs/partners/exa/langchain_exa/_utilities.py

@@ -0,0 +1,18 @@
+import os
+from typing import Dict
+
+from exa_py import Exa  # type: ignore
+from langchain_core.utils import convert_to_secret_str
+
+
+def initialize_client(values: Dict) -> Dict:
+    """Initialize the client."""
+    exa_api_key = values.get("exa_api_key") or os.environ.get("EXA_API_KEY") or ""
+    values["exa_api_key"] = convert_to_secret_str(exa_api_key)
+    args = {
+        "api_key": values["exa_api_key"].get_secret_value(),
+    }
+    if values.get("exa_base_url"):
+        args["base_url"] = values["exa_base_url"]
+    values["client"] = Exa(**args)
+    return values