CameraMachine/python/utils/utils_func.py

import os
from hashlib import sha256, md5
from datetime import datetime
import requests

def get_md5(file_path):
    data_md5 = None
    if os.path.isfile(file_path):
        f = open(file_path, 'rb')
        md5_obj = md5()
        md5_obj.update(f.read())
        hash_code = md5_obj.hexdigest()
        f.close()
        data_md5 = str(hash_code).lower()
    return data_md5

def get_modified_time(file_path):
    # 获取文件最后修改的时间戳
    timestamp = os.path.getmtime(file_path)
    # 将时间戳转换为datetime对象，并格式化为指定格式的字符串
    modified_time = datetime.fromtimestamp(timestamp).strftime('%Y-%m-%d %H:%M:%S')
    return modified_time

def compare_two_times(time_str1, time_str2):
    # 定义时间格式
    time_format = "%Y-%m-%d %H:%M:%S"
    # 将时间字符串解析为datetime对象
    time1 = datetime.strptime(time_str1, time_format)
    time2 = datetime.strptime(time_str2, time_format)

    # 比较两个时间
    if time1 > time2:
        # print(f"{time_str1} 比 {time_str2} 新。")
        return "left_new"
    elif time1 < time2:
        # print(f"{time_str2} 比 {time_str1} 新。")
        return "right_new"
    else:
        # print("两个时间相等。")
        return "is_same"


async def download_file(url, file_path):
    try:
        root_path, file_name = os.path.split(file_path)
        check_path(root_path)
        response = requests.get(url)
        _content = response.content
        with open(file_path, 'wb') as f:
            f.write(_content)
        print("下载成功:{}".format(file_path))
    except:
        print("下载失败:{}".format(file_path))

def check_path(_path):
    if not os.path.exists(_path):
        # 创建多级目录
        os.makedirs(_path, exist_ok=True)
        # os.mkdir(_path)
    return True