mirror of
https://github.com/Tautulli/Tautulli.git
synced 2025-01-06 11:09:57 -08:00
51 lines
1.6 KiB
Python
51 lines
1.6 KiB
Python
"""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.
|
|
"""
|
|
# Handle the sequence of uppercase letters followed by a lowercase letter
|
|
snake = re.sub(r'([A-Z]+)([A-Z][a-z])', lambda m: f'{m.group(1)}_{m.group(2)}', camel)
|
|
# Insert an underscore between a lowercase letter and an uppercase letter
|
|
snake = re.sub(r'([a-z])([A-Z])', lambda m: f'{m.group(1)}_{m.group(2)}', snake)
|
|
# Insert an underscore between a digit and an uppercase letter
|
|
snake = re.sub(r'([0-9])([A-Z])', lambda m: f'{m.group(1)}_{m.group(2)}', snake)
|
|
# Insert an underscore between a lowercase letter and a digit
|
|
snake = re.sub(r'([a-z])([0-9])', lambda m: f'{m.group(1)}_{m.group(2)}', snake)
|
|
return snake.lower()
|