list1=["10:05","上午 10:07","下午 2:07","晚上 8:07","昨天 16:07","星期天 19:27","星期二 19:27","星期四 14:27","2025年1月10日 17:43"]from datetime import datetime, timedelta
from datetime import date, timedelta
import redef format_time(time_str):# 解析时间字符串为datetime对象dt = datetime.strptime(time_str, '%Y/%m/%d %H:%M')# 格式化datetime对象为所需格式的字符串formatted_time_str = dt.strftime('%Y/%m/%d %H:%M:%S')return formatted_time_strdef get_weekdays_dict_from_last_sunday_to_today():# 假设今天是2025年1月26日（可以根据实际情况动态获取）today = date.today()#获取上周周日日期last_sunday=""if today.weekday() == 6: # 注意weekday()方法中周日返回的是6last_sunday = today - timedelta(days=7)else:days_since_last_sunday = (today.weekday() + 1) % 7last_sunday = today - timedelta(days=days_since_last_sunday)# print(last_sunday.strftime("%Y-%m-%d"))# 起始日期和结束日期start_date = last_sundayend_date = today time_periods_of_week = {"Sunday":"星期天","Monday": "星期一","Tuesday": "星期二","Wednesday": "星期三","Thursday": "星期四","Friday": "星期五","Saturday": "星期六"}# 创建一个字典来保存结果dates_dict = {}# 开始循环的日期current_date = start_datewhile current_date <= end_date:dates_dict[time_periods_of_week[current_date.strftime("%A")]] = current_date.strftime("%Y/%m/%d")# 增加一天current_date += timedelta(days=1)return dates_dictdef convert_dates(date_list):week_dates_dict=get_weekdays_dict_from_last_sunday_to_today()today = datetime.now()# 定义时间段映射time_periods = {"上午": "AM","下午": "PM","晚上": "PM"}for idx,item in enumerate(date_list):# 处理时间段for period, replacement in time_periods.items():if period in item:item=item.replace(period,"").strip()item=item+f" {replacement}"break# 处理昨天if "昨天" in item:yesterday = today - timedelta(days=1)item = item.replace("昨天", yesterday.strftime("%Y/%m/%d"))date_list[idx] = format_time(item)elif "星期" in item:for key,value in week_dates_dict.items():if key in item:item = item.replace(key,value)date_list[idx] = format_time(item)break# 处理具体日期elif re.match(r"\d{4}年\d{1,2}月\d{1,2}日", item):date_time = datetime.strptime(item, "%Y年%m月%d日 %H:%M")date_list[idx] = date_time.strftime("%Y/%m/%d %H:%M:%S")# 处理时间else:# 处理24小时制时间if re.match(r"^\d{1,2}:\d{2}$",item):#只有时间date_time = datetime.strptime(item, "%H:%M")else:#带有AM或者PM的日期和时间date_time = datetime.strptime(item.strip(), "%I:%M %p")date_time = date_time.replace(year=today.year, month=today.month, day=today.day)date_list[idx]=date_time.strftime("%Y/%m/%d %H:%M:%S")return date_listresult=convert_dates(list1)
print(result)
结果：
[‘2025/01/25 10:05:00’, ‘2025/01/25 10:07:00’, ‘2025/01/25 14:07:00’, ‘2025/01/25 20:07:00’, ‘2025/01/24 16:07:00’, ‘2025/01/19 19:27:00’, ‘2025/01/21 19:27:00’, ‘2025/01/23 14:27:00’, ‘2025/01/10 17:43:00’]
