Resolving the issue of missing time information when exporting from Google Photos

from win32file import CreateFile, SetFileTime, GetFileTime, CloseHandle
from win32file  import GENERIC_READ, GENERIC_WRITE, OPEN_EXISTING
from pywintypes import Time
import os,json,time

# Get all file names with a specific extension
def get_all_file(ext_name):
    file_list = []
    datanames = os.listdir()
    for dataname in datanames:
        if os.path.splitext(dataname)[1] == ext_name:  # Files in the directory with the .json extension
            file_list.append(dataname)
    return file_list

# Read the json file
def load_json(json_file_name):
    f = open(json_file_name,'r',encoding = 'UTF-8')
    text = f.read()
    dic = json.loads(text)
    return dic

def modifyFileTime(filePath, createTime, modifyTime, accessTime, offset):
    """
    Used to modify the time attributes of any file, time format: YYYY-MM-DD HH:MM:SS, for example: 2019-02-02 00:01:02
    :param filePath: File path
    :param createTime: Creation time
    :param modifyTime: Modification time
    :param accessTime: Access time
    :param offset: Time offset in seconds, in tuple format, in the order corresponding to the time parameters
    """
    try:
        format = "%Y-%m-%d %H:%M:%S"  # Time format
        cTime_t = timeOffsetAndStruct(createTime, format, offset[0])
        mTime_t = timeOffsetAndStruct(modifyTime, format, offset[1])
        aTime_t = timeOffsetAndStruct(accessTime, format, offset[2])

        fh = CreateFile(filePath, GENERIC_READ | GENERIC_WRITE, 0, None, OPEN_EXISTING, 0, 0)
        createTimes, accessTimes, modifyTimes = GetFileTime(fh)

        createTimes = Time(time.mktime(cTime_t))
        accessTimes = Time(time.mktime(aTime_t))
        modifyTimes = Time(time.mktime(mTime_t))
        SetFileTime(fh, createTimes, accessTimes, modifyTimes)
        CloseHandle(fh)
        return 0
    except:
        return 1

import time

def timeOffsetAndStruct(times, format, offset):
    return time.localtime(time.mktime(time.strptime(times, format)) + offset)

# Date conversion, converting Google's date to a numerical value
def time_format(data_string):
    print(data_string)
    year = data_string.split('年')[0]
    month = data_string.split('年')[1].split('月')[0]
    day = data_string.split('年')[1].split('月')[1].split('日')[0]
    add_flag = data_string.split('年')[1].split('月')[1].split('日')[1].find('下午')
    hour = data_string.split('年')[1].split('月')[1].split('日')[1].split('午')[1].split(':')[0]
    minute = data_string.split('年')[1].split('月')[1].split('日')[1].split('午')[1].split(':')[1]
    second = data_string.split('年')[1].split('月')[1].split('日')[1].split('午')[1].split(':')[2]
    if add_flag > 0:
        hour = str(int(hour)+12)
    return year + '-' + month + '-' +day +' ' + hour + ':'+ minute + ':' + second


if __name__ == '__main__':
    file_name_json = get_all_file('.json')                      # Get a list of all file names in the current directory

    for fnj in file_name_json:
        dic = load_json(fnj)                                        # Extract dictionary information
        st = dic['creationTime']['formatted']                       # Get the file date
        output_format = time_format(st)                             # Convert the date format

        file_name = fnj[0:-5]                                       # Get the corresponding photo name of the file
        print(file_name)
        offset = (0, 1, 2)
        # Modify the file date
        modifyFileTime(file_name, output_format, output_format, output_format,offset)