Function _validate_dict

dynamic_programming/viterbi.py:340–371

>>> _validate_dict({"b": 0.5}, "mock_name", float) >>> _validate_dict("invalid", "mock_name", float) Traceback (most recent call last): ... ValueError: mock_name must be a dict >>> _validate_dict({"a": 8}, "mock_name", dict) Traceback (most recent call last):

(
    _object: Any, var_name: str, value_type: type, nested: bool = False
)

def _validate_dict(
    _object: Any, var_name: str, value_type: type, nested: bool = False
) -> None:
    """
    >>> _validate_dict({"b": 0.5}, "mock_name", float)
    >>> _validate_dict("invalid", "mock_name", float)
    Traceback (most recent call last):
            ...
    ValueError: mock_name must be a dict
    >>> _validate_dict({"a": 8}, "mock_name", dict)
    Traceback (most recent call last):
            ...
    ValueError: mock_name all values must be dict
    >>> _validate_dict({2: 0.5}, "mock_name",float, True)
    Traceback (most recent call last):
            ...
    ValueError: mock_name all keys must be strings
    >>> _validate_dict({"b": 4}, "mock_name", float,True)
    Traceback (most recent call last):
            ...
    ValueError: mock_name nested dictionary all values must be float
    """
    if not isinstance(_object, dict):
        msg = f"{var_name} must be a dict"
        raise ValueError(msg)
    if not all(isinstance(x, str) for x in _object):
        msg = f"{var_name} all keys must be strings"
        raise ValueError(msg)
    if not all(isinstance(x, value_type) for x in _object.values()):
        nested_text = "nested dictionary " if nested else ""
        msg = f"{var_name} {nested_text}all values must be {value_type.__name__}"
        raise ValueError(msg)


if __name__ == "__main__":