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python3.11
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pydantic
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Filename :
alias_generators.py
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"""Alias generators for converting between different capitalization conventions.""" import re __all__ = ('to_pascal', 'to_camel', 'to_snake') def to_pascal(snake: str) -> str: """Convert a snake_case string to PascalCase. Args: snake: The string to convert. Returns: The PascalCase string. """ camel = snake.title() return re.sub('([0-9A-Za-z])_(?=[0-9A-Z])', lambda m: m.group(1), camel) def to_camel(snake: str) -> str: """Convert a snake_case string to camelCase. Args: snake: The string to convert. Returns: The converted camelCase string. """ camel = to_pascal(snake) return re.sub('(^_*[A-Z])', lambda m: m.group(1).lower(), camel) def to_snake(camel: str) -> str: """Convert a PascalCase or camelCase string to snake_case. Args: camel: The string to convert. Returns: The converted string in snake_case. """ snake = re.sub(r'([a-zA-Z])([0-9])', lambda m: f'{m.group(1)}_{m.group(2)}', camel) snake = re.sub(r'([a-z0-9])([A-Z])', lambda m: f'{m.group(1)}_{m.group(2)}', snake) return snake.lower()