A small script for transforming text to various widely used naming conventions like snake_case or camelCase.

naming_convention_transformer.py

def transform_string(string: str, separator: str, upper: bool) -> str:
    def _words() -> list:
        return string.split()

    def _first_character(word: str) -> str:
        return word[0].upper() if upper else word[0].lower()

    return separator.join(_first_character(word[0]) + word[1:] for word in _words())


def to_snake_case(string: str) -> str:
    return transform_string(string, separator='_', upper=False)


def to_upper_camel_case(string: str) -> str:
    return transform_string(string, separator='', upper=True)


def to_lower_camel_case(string: str) -> str:
    new_string = to_upper_camel_case(string)
    return new_string[0].lower() + new_string[1:]


def to_kebab_case(string: str) -> str:
    return transform_string(string, separator='-', upper=False)


string = 'Hello World'

print('snake_case: ', to_snake_case(string))
print('UpperCamelCase: ', to_upper_camel_case(string))
print('lowerCamelCase: ', to_lower_camel_case(string))
print('kebab-case: ', to_kebab_case(string))