Exceptions

When BAML raises an exception, it will be an instance of a subclass of BamlError. This allows you to catch all BAML-specific exceptions with a single except block.

Import path

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from baml_py.errors import BamlError, BamlInvalidArgumentError, BamlClientError, BamlClientHttpError, BamlValidationError

BamlError

Base class for all BAML exceptions.

BamlInvalidArgumentError

Subclass of BamlError.

Raised when one or multiple arguments to a function are invalid.

BamlClientError

Subclass of BamlError.

Raised when a client fails to return a valid response.

BamlClientHttpError

Subclass of BamlClientError.

Raised when the HTTP request made by a client fails with a non-200 status code.

BamlValidationError

Subclass of BamlError.

Raised when BAML fails to parse a string from the LLM into the specified object.