StrictFormatter

class langchain_core.utils.formatting.StrictFormatter

Formatter that checks for extra keys.

Methods

check_unused_args(used_args, args, kwargs)
convert_field(value, conversion)
format(format_string, /, *args, **kwargs)
format_field(value, format_spec)
get_field(field_name, args, kwargs)
get_value(key, args, kwargs)
parse(format_string)
validate_input_variables(format_string, ...)	Check that all input variables are used in the format string.
vformat(format_string, args, kwargs)	Check that no arguments are provided.

check_unused_args(used_args, args, kwargs)

convert_field(value, conversion)

format(format_string, /, *args, **kwargs)

format_field(value, format_spec)

get_field(field_name, args, kwargs)

get_value(key, args, kwargs)

parse(format_string)

validate_input_variables(format_string: str, input_variables: list[str]) → None

Check that all input variables are used in the format string.

Parameters:

• format_string (str) – The format string.

• input_variables (list[str]) – The input variables.

Raises:

ValueError – If any input variables are not used in the format string.

Return type:

None

vformat(format_string: str, args: Sequence, kwargs: Mapping[str, Any]) → str

Check that no arguments are provided.

Parameters:

• format_string (str) – The format string.

• args (Sequence) – The arguments.

• kwargs (Mapping[str, Any]) – The keyword arguments.

Returns:

The formatted string.

Raises:

ValueError – If any arguments are provided.

Return type:

str