import re # 英文周几对照 dic_week = { ‘Mon‘: 1, ‘Tues‘: 2, ‘Wed‘: 3, ‘Thur‘: 4, ‘Fri‘: 5, ‘Sat‘: 6, ‘Sun‘: 7, } # 英文月份对照 dic_month = { ‘January‘: 1, ‘jan‘: 1, ‘Jan‘: 1, ‘February‘: 2, ‘feb‘: 2, ‘Feb‘: 2, ‘March‘: 3, ‘mar‘: 3, ‘Mar‘: 3, ‘April‘: 4, ‘apr‘: 4, ‘Apr‘: 4, ‘May‘: 5, ‘may‘: 5, # ‘May‘: 5, ‘June‘: 6, ‘jun‘: 6, ‘Jun‘: 6, ‘July‘: 7, ‘jul‘: 7, ‘Jul‘: 7, ‘August‘: 8, ‘aug‘: 8, ‘Aug‘: 8, ‘September‘: 9, ‘sept‘: 9, ‘Sept‘: 9, ‘October‘: 10, ‘oct‘: 10, ‘Oct‘: 10, ‘November‘: 11, ‘nov‘: 11, ‘Nov‘: 11, ‘December‘: 12, ‘dec‘: 12, ‘Dec‘: 12, } # 时区 li_time_zone = [‘+1400‘, ‘+1300‘, ‘+1200‘, ‘+1100‘, ‘+1000‘, ‘+0900‘, ‘+0800‘, ‘+0700‘, ‘+0600‘, ‘+0500‘, ‘+0400‘, ‘+0300‘, ‘+0200‘, ‘+0100‘, ‘+0000‘, ‘-0100‘, ‘-0200‘, ‘-0300‘, ‘-0400‘, ‘-0500‘, ‘-0600‘, ‘-0700‘, ‘-0800‘, ‘-0900‘, ‘-1000‘, ‘-1100‘, ‘-1200‘] # 将月份按天数分开 thirty_one_days_mouth = [1, 3, 5, 7, 8, 10, 12] thirty_days_mouth = [4, 6, 9, 11] twenty_nine_days_mouth = [2] # 获取用户输入的日期（按2019/11/01 10：07：25格式检查） inp_date = input(‘请输入您需要检查的日期： ‘) # 获取日期中数字 find_number = re.compile(r‘\d+‘) get_numbers = find_number.findall(inp_date) # 获取输入日期里的字母（月份，周几和‘am/pm‘） find_letter = re.compile(r‘[A-Za-z]+‘) get_letter = find_letter.findall(inp_date) # 其他格式日期转化为‘2019/11/01 10：07：25’格式 def change_format(): # 检查格式为‘2019/11/11’的日期 if len(get_numbers) == 3: for a in range(0, 3): get_numbers.append(‘0‘) # 检查格式为‘September 17, 2012 10:09 am’的日期 elif len(get_numbers) == 4: # 将get_numbers里‘年’和‘天’位置互换，转换为‘2019/11/01 10：07：25’格式 get_numbers[0], get_numbers[1] = get_numbers[1], get_numbers[0] if get_letter[0] in dic_month: get_numbers.insert(1, dic_month[get_letter[0]]) # 将月份转化成数字月份并放入get_numbers指定位置 get_numbers.append(‘0‘) # 将秒数位置加上，防止格式不正确 if get_letter[1] == ‘am‘or get_letter[1] == ‘pm‘: if int(get_numbers[3]) not in range(0, 12): get_numbers[3] = 25 else: pass else: get_numbers[3] = 25 else: for a in range(0, 2): get_numbers.append(‘100‘) # 检查格式为‘"oct 7, 1970 5:57:51 PM"、"12 Feb 2006, 19:17:09"、"Mon, 02 Jan 2006 15:04:05"’的日期 elif len(get_numbers) == 5: # 将get_numbers里‘年’和‘天’位置互换，转换为‘2019/11/01 10：07：25’格式 get_numbers[0], get_numbers[1] = get_numbers[1], get_numbers[0] if len(get_letter) == 1: # 对"12 Feb 2006, 19:17:09"格式检查 if get_letter[0] in dic_month: get_numbers.insert(1, dic_month[get_letter[0]]) # 将月份转化成数字月份并放入get_numbers指定位置 else: get_numbers.append(‘100‘) elif len(get_letter) == 2: if get_letter[0] in dic_month: # 对"oct 7, 1970 5:57:51 PM"格式检查 get_numbers.insert(1, dic_month[get_letter[0]]) # 将月份转化成数字月份并放入get_numbers指定位置 if get_letter[1] == ‘AM‘or get_letter[1] == ‘PM‘: if int(get_numbers[3]) not in range(0, 12): get_numbers[3] = 25 else: pass else: get_numbers[3] = 25 elif get_letter[0] in dic_week: # 对"Mon, 02 Jan 2006 15:04:05"格式检查 if get_letter[1] in dic_month: get_numbers.insert(1, dic_month[get_letter[1]]) # 将月份转化成数字月份并放入get_numbers指定位置 # 检查周几是否正确 def check_week(): sum_days = 0 # 1900年起以年为单位计算天数 for i in range(1900, int(get_numbers[0])): if (i % 4 == 0 and i % 100 != 0) or i % 400 == 0: sum_days += 366 else: sum_days += 365 # 一月起以月为单位计算天数 for i in range(1, int(get_numbers[1])): if i in thirty_one_days_mouth: sum_days += 31 elif i in thirty_days_mouth: sum_days += 30 elif i in twenty_nine_days_mouth: if (get_numbers[0] % 4 == 0 and get_numbers[0] % 100 != 0) or get_numbers[0] % 400 == 0: sum_days += 29 else: sum_days += 28 else: get_numbers[3] = 25 # 以日为单位计算天数 sum_days += int(get_numbers[2]) # 将日期对应的周几算出来并与输入的周几对比 week_day = 1+(sum_days-1) % 7 if week_day == dic_week[get_letter[0]]: pass else: get_numbers[3] = 25 check_week() else: get_numbers.append(‘100‘) else: get_numbers.append(‘100‘) else: get_numbers.append(‘100‘) # 检查格式为‘"2019/11/01 10:07:25"、"2019/11/01 10:07:25 AM"、"2014-12-16 06:20:00 UTC、"2014-12-16 06:20:00 GMT’的日期 elif len(get_numbers) == 6: if len(get_letter) == 0: pass elif len(get_letter) == 1: if get_letter[0] == ‘AM‘or get_letter[0] == ‘PM‘: if int(get_numbers[3]) not in range(0, 12): get_numbers[3] = 25 else: pass elif get_letter[0] == ‘GMT‘or get_letter[0] == ‘UTC‘: pass else: get_numbers[3] = 25 else: get_numbers[3] = 25 # 检查格式为‘2014-12-16 06:20:00 +0800 UTC’的日期 elif len(get_numbers) == 7: if get_letter[0] == ‘UTC‘: find_time_zone_number = re.compile(r‘[+|-]\d+‘) get_time_zone_numbers = find_time_zone_number.findall(inp_date) if get_time_zone_numbers[2] in li_time_zone: pass else: get_numbers[3] = 25 else: get_numbers[3] = 25 # 对其他格式进行处理，防止下方代码报错 else: for a in range(0, 7): get_numbers.append(‘100‘) change_format() # 获取日期的年月日时分秒：（按2019/11/01 10：07：25格式） che_year = int(get_numbers[0]) che_month = int(get_numbers[1]) che_day = int(get_numbers[2]) che_hour = int(get_numbers[3]) che_minute = int(get_numbers[4]) che_second = int(get_numbers[5]) # 对年月日进行检查： def check_year_mouth_day(): if che_month in thirty_one_days_mouth: if che_day in range(1, 32): return True else: return False elif che_month in thirty_days_mouth: if che_day in range(1, 31): return True else: return False elif che_month in twenty_nine_days_mouth: if (che_year % 4 == 0 & che_year % 100 != 0) or (che_year % 400 == 0): # 检查是否为闰年 if che_day in range(1, 30): return True else: return False else: if che_day in range(1, 29): return True else: return False else: return False # 对时分秒进行检查： # 只需要检查0≤小时≤23，0≤分钟（秒）≤59 def check_hour_minute_second(): if (che_hour in range(0, 24)) & (che_minute in range(0, 60)) & (che_second in range(0, 60)): return True else: return False # 执行检查年月日，时分秒函数并返回结果 check_year_mouth_day() check_hour_minute_second() if check_year_mouth_day() & check_hour_minute_second(): print("您要检查的日期是合法的") else: print("您要检查的日期是违规的")
原文：https://www.cnblogs.com/itheone/p/12355977.html