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bitfinex-api-py/bfxapi/utils/camel_and_snake_case_helpers.py
2023-03-06 17:22:00 +01:00

24 lines
815 B
Python

import re
from typing import TypeVar, Callable, cast
T = TypeVar("T")
_to_snake_case: Callable[[str], str] = lambda string: re.sub(r"(?<!^)(?=[A-Z])", "_", string).lower()
_to_camel_case: Callable[[str], str] = lambda string: \
(components := string.split("_"))[0] + str().join(c.title() for c in components[1:])
def _scheme(data: T, adapter: Callable[[str], str]) -> T:
if isinstance(data, list):
return cast(T, [ _scheme(sub_data, adapter) for sub_data in data ])
if isinstance(data, dict):
return cast(T, { adapter(key): _scheme(value, adapter) for key, value in data.items() })
return data
def to_snake_case_keys(dictionary: T) -> T:
return _scheme(dictionary, _to_snake_case)
def to_camel_case_keys(dictionary: T) -> T:
return _scheme(dictionary, _to_camel_case)