langchain_core.prompts.string.check_valid_template¶

langchain_core.prompts.string.check_valid_template(template: str, template_format: str, input_variables: List[str]) → None[source]¶

Check that template string is valid.

Parameters

  • template – The template string.

  • template_format – The template format. Should be one of “f-string” or “jinja2”.

  • input_variables – The input variables.

Raises

ValueError – If the template format is not supported.