# -*- coding: utf-8 -*-
# @Time : 2023/7/21 14:45
# @Author : XuJiakai
# @File : str_utils
# @Software: PyCharm
import json
import re


def json_str_2_list(json_str, key: str):
    if json_str is None:
        return []
    try:
        if type(json_str) == dict or type(json_str) == list:
            j = json_str
        else:
            j = json.loads(json_str)
        result = []
        for i in j:
            result.append(i[key])
            pass
        return result
        pass
    except Exception:
        return []
        pass
    pass


def pascal_case_to_snake_case(camel_case: str):
    """
    驼峰转下划线
    :param camel_case:
    :return:
    """
    snake_case = re.sub(r"(?P<key>[A-Z])", r"_\g<key>", camel_case)
    return snake_case.lower().strip('_')
    pass


def snake_case_to_pascal_case(snake_case: str):
    """
    下划线转驼峰
    :param snake_case:
    :return:
    """
    words = snake_case.split('_')
    return ''.join(word.title() for word in words)
    pass


if __name__ == '__main__':
    res = pascal_case_to_snake_case("CompanyCourtOpenAnnouncement")

    print(pascal_case_to_snake_case("CompanyCourtOpenAnnouncement"))
    print(snake_case_to_pascal_case(res))
    pass