chat_models

Returns a custom user agent header.

Convert tools to google-genai Tool objects.

Each special tool type (google_search, google_maps, url_context, etc.) must be in its own Tool object due to protobuf oneof constraints.

Encodes image bytes into a b64 encoded string.

Custom exception class for errors associated with the Google GenAI API.

Loads media bytes from multiple sources given a string.

(Despite the class name, this loader supports multiple media types including images, PDFs, audio, and video files.)

Currently supported:

• Base64 encoded data URIs (e.g., data:image/jpeg;base64,... or data:application/pdf;base64,...)
• HTTP/HTTPS URLs
• Google Cloud Storage URIs (gs://) passed directly to the API as file references

Wrapper exception class for errors associated with the Google GenAI API.

Raised when there are specific issues related to the Google GenAI API usage in the ChatGoogleGenerativeAI class, such as unsupported message types or roles.

ClientError raised when input exceeds Google's context limit.

Google authentication error classified as a LangChain model error.

Google permission error classified as a LangChain model error.

Google invalid-request error classified as a LangChain model error.

Google not-found error classified as a LangChain model error.

Google rate-limit error classified as a LangChain model error.

Google server error classified as a LangChain model error.

Google GenAI chat model integration.