内容如题
原因:solaris等os不能做时间的运算处理,个人爱好。之前用c实现了一版,这里再次用python实现一版,后期应该还有改进版
改进:1 代码优化
2 添加了指定获取月份最后一天的功能
第四版:
添加了-d选项,-d date date_format,既可以指定时间字符串和时间格式,格式可以不指定默认为 %Y%m%d或%Y-%m-%d
第五版:
1 修进了一些bug
2 把入口函数添加到类中,方便其他python的调用,而不是单纯的脚本
第六版:
在类中使用了初始化函数,方便调用,可以在初始化函数中直接设置需要输入的参数,而不必对内部变量作出设置
第七版:
修改了-d参数从对时间戳的支持,例:-d "
1526606217
" "%s"
第八版:
修正版了部分代码,减少代码行数。
脚本下载地址:https://github.com/raysuen/rdate
#!/usr/bin/env python # _*_coding:utf-8_*_ # Auth by raysuen # version v8.0 import datetime import time import calendar import sys import re # 时间计算的类 class DateColculation(object): rdate = { "time_tuple": time.localtime(), "time_format": "%Y-%m-%d %H:%M:%S %A", "colculation_string": None, "last_day": False, "input_time": None, "input_format": None } def __init__(self,time_tuple=None,out_format=None,col_string=None,isLastday=None,in_time=None,in_format=None): if time_tuple != None: self.rdate["time_tuple"] = time_tuple if out_format != None: self.rdate["time_format"] = out_format if col_string != None: self.rdate["colculation_string"] = col_string if isLastday != None: self.rdate["last_day"] = isLastday if in_time != None: self.rdate["input_time"] = in_time if in_format != None: self.rdate["input_format"] = in_format # 月计算的具体实现函数 def __R_MonthAdd(self, col_num, add_minus, lastday, time_truct): R_MA_num = 0 # 记录计算的月的数字 R_ret_tuple = None # 返回值,None或者时间元组 R_MA_datetime = None # 临时使用的datetime类型 if type(col_num) != int: # 判断传入的参数是否为数字 print("the parameter type is wrong!") exit(5) if time_truct == None: R_MA_datetime = datetime.datetime.now() # 获取当前时间 else: R_MA_datetime = datetime.datetime.fromtimestamp(time.mktime(time_truct)) if add_minus.lower() == "add": # 判断是否为+ R_MA_num = R_MA_datetime.month + col_num if R_MA_num > 12: # 判断相加后的月份数是否大于12,如果大于12,需要在年+1 while R_MA_num > 12: R_MA_datetime = R_MA_datetime.replace(year=R_MA_datetime.year + 1) R_MA_num = R_MA_num - 12 R_ret_tuple = self.__days_add(R_MA_datetime, R_MA_num, lastday).timetuple() else: R_ret_tuple = self.__days_add(R_MA_datetime, R_MA_num, lastday).timetuple() elif add_minus.lower() == "minus": # 判断是否为- while col_num >= 12: # 判断传入的参数是否大于12,如果大于12则对年做处理 R_MA_datetime = R_MA_datetime.replace(year=R_MA_datetime.year - 1) col_num = col_num - 12 # R_MA_num = 12 + (R_MA_datetime.month - col_num) # 获取将要替换的月份的数字 if R_MA_datetime.month - col_num < 0: # 判断当前月份数字是否大于传入参数(取模后的),小于0表示,年需要减1,并对月份做处理 if R_MA_datetime.day > calendar.monthrange(R_MA_datetime.year - 1, R_MA_datetime.month)[ 1]: # 如果年减一后,当前日期的天数大于年减一后的天数,则在月份加1,天变更为当前日期天数减变更后的月份天数 R_MA_datetime = R_MA_datetime.replace(year=R_MA_datetime.year - 1, month=R_MA_datetime.month + 1, day=(R_MA_datetime.day > calendar.monthrange(R_MA_datetime.year - 1, R_MA_datetime.month)[1])) # 年减1 else: R_MA_datetime = R_MA_datetime.replace(year=R_MA_datetime.year - 1) # 年减1 R_MA_datetime = self.__days_add(R_MA_datetime, 12 - abs(R_MA_datetime.month - col_num), lastday) elif R_MA_datetime.month - col_num == 0: # 判断当前月份数字是否等于传入参数(取模后的),等于0表示,年减1,月份替换为12,天数不变(12月为31天,不可能会存在比31大的天数) R_MA_datetime = R_MA_datetime.replace(year=R_MA_datetime.year - 1, month=12) elif R_MA_datetime.month - col_num > 0: # 默认表示当前月份-传入参数(需要减去的月数字)大于0,不需要处理年 R_MA_datetime = self.__days_add(R_MA_datetime, R_MA_datetime.month - col_num, lastday) R_ret_tuple = R_MA_datetime.timetuple() return R_ret_tuple # 返回时间元组 def __days_add(self, formal_MA_datetime, formal_MA_num, lastday): R_MA_datetime = formal_MA_datetime R_MA_num = formal_MA_num if lastday: # 如果计算月最后一天,则直接把月份替换,天数为月份替换后的最后一天 R_MA_datetime = R_MA_datetime.replace(month=R_MA_num, day=calendar.monthrange(R_MA_datetime.year, R_MA_num)[ 1]) # 月份替换,天数为替换月的最后一天 else: if R_MA_datetime.day > \ calendar.monthrange(R_MA_datetime.year, R_MA_num)[ 1]: # 判断当前日期的天数是否大于替换后的月份天数,如果大于,月份在替换后的基础上再加1,天数替换为当前月份天数减替换月份天数 R_MA_datetime = R_MA_datetime.replace(month=R_MA_num + 1, day=R_MA_datetime.day - calendar.monthrange(R_MA_datetime.year, R_MA_num)[ 1]) # 月份在替换月的数字上再加1,天数替换为当前月份天数减替换月份天数 else: R_MA_datetime = R_MA_datetime.replace(month=R_MA_num) # 获取替换月份,day不变 return R_MA_datetime # 月计算的入口函数 def R_Month_Colculation(self, R_ColStr, lastday, time_truct): R_ret_tuple = None if R_ColStr.find("-") != -1: # 判断-是否存在字符串 col_num = R_ColStr.split("-")[-1].strip() # 获取需要计算的数字 if col_num.strip().isdigit(): # 判断获取的数字是否为正整数 R_ret_tuple = self.__R_MonthAdd(int(col_num.strip()), "minus", lastday, time_truct) # 获取tuple time时间格式 else: # 如果获取的数字不为正整数,则退出程序 print("Please enter right format symbol!!") print("If you don't kown what values is avalable,please use -h to get help!") exit(4) elif R_ColStr.find("+") != -1: # 判断+是否存在字符串 col_num = R_ColStr.split("+")[-1].strip() # 获取需要计算的数字 if col_num.strip().isdigit(): # 判断获取的数字是否为正整数 R_ret_tuple = self.__R_MonthAdd(int(col_num.strip()), "add", lastday, time_truct) # 获取tuple time时间格式 else: print("Please enter right format symbol!!") print("If you don't kown what values is avalable,please use -h to get help!") exit(4) return R_ret_tuple # 秒,分,时,日,周计算的实现函数 def R_General_Colculation(self, R_ColStr, time_truct, cal_parm): R_ret_tuple = None if time_truct == None: # 判断是否指定了输入时间,没指定则获取当前时间,否则使用指定的输入时间 R_Datatime = datetime.datetime.now() else: R_Datatime = datetime.datetime.fromtimestamp(time.mktime(time_truct)) if R_ColStr.find("-") != -1: # 判断-是否存在字符串 col_num = R_ColStr.split("-")[-1].strip() # 获取需要计算的数字 if col_num.strip().isdigit(): # 判断获取的数字是否为正整数 if R_ColStr.strip().lower().find("second") != -1: R_ret_tuple = (R_Datatime + datetime.timedelta( seconds=-int(col_num.strip()))).timetuple() # 获取tuple time时间格式 elif R_ColStr.strip().lower().find("minute") != -1: R_ret_tuple = (R_Datatime + datetime.timedelta( minutes=-int(col_num.strip()))).timetuple() # 获取tuple time时间格式 elif R_ColStr.strip().lower().find("hour") != -1: R_ret_tuple = (R_Datatime + datetime.timedelta( hours=-int(col_num.strip()))).timetuple() # 获取tuple time时间格式 elif R_ColStr.strip().lower().find("day") != -1: R_ret_tuple = (R_Datatime + datetime.timedelta( days=-int(col_num.strip()))).timetuple() # 获取tuple time时间格式 elif R_ColStr.strip().lower().find("week") != -1: R_ret_tuple = (R_Datatime + datetime.timedelta( weeks=-int(col_num.strip()))).timetuple() # 获取tuple time时间格式 # R_ret_tuple = (R_Datatime + datetime.timedelta(cal_parm=-int(col_num.strip()))).timetuple() # 获取tuple time时间格式 else: # 如果获取的数字不为正整数,则退出程序 print("Please enter right format symbol!!") print("If you don't kown what values is avalable,please use -h to get help!") exit(4) elif R_ColStr.find("+") != -1: # 判断+是否存在字符串 col_num = R_ColStr.split("+")[-1].strip() # 获取需要计算的数字 if col_num.strip().isdigit(): # 判断获取的数字是否为正整数 if R_ColStr.strip().lower().find("second") != -1: R_ret_tuple = (R_Datatime + datetime.timedelta( seconds=int(col_num.strip()))).timetuple() # 获取tuple time时间格式 elif R_ColStr.strip().lower().find("minute") != -1: R_ret_tuple = (R_Datatime + datetime.timedelta( minutes=int(col_num.strip()))).timetuple() # 获取tuple time时间格式 elif R_ColStr.strip().lower().find("hour") != -1: R_ret_tuple = (R_Datatime + datetime.timedelta( hours=int(col_num.strip()))).timetuple() # 获取tuple time时间格式 elif R_ColStr.strip().lower().find("day") != -1: R_ret_tuple = (R_Datatime + datetime.timedelta( days=int(col_num.strip()))).timetuple() # 获取tuple time时间格式 elif R_ColStr.strip().lower().find("week") != -1: R_ret_tuple = (R_Datatime + datetime.timedelta( weeks=int(col_num.strip()))).timetuple() # 获取tuple time时间格式 else: print("Please enter right format symbol!!") print("If you don't kown what values is avalable,please use -h to get help!") exit(4) return R_ret_tuple # 年计算的实现函数 def R_Year_Colculation(self, R_ColStr, time_truct): R_ret_tuple = None if time_truct == None: # 判断是否指定了输入时间,没指定则获取当前时间,否则使用指定的输入时间 R_Y_Datatime = datetime.datetime.now() else: R_Y_Datatime = datetime.datetime.fromtimestamp(time.mktime(time_truct)) if R_ColStr.find("-") != -1: # 判断-是否存在字符串 col_num = R_ColStr.split("-")[-1].strip() # 获取需要计算的数字 if col_num.strip().isdigit(): # 判断获取的数字是否为正整数 # 判断当前时间是否为闰年并且为二月29日,如果是相加/减后不为闰年则在月份加1,日期加1 if calendar.isleap( R_Y_Datatime.year) and R_Y_Datatime.month == 2 and R_Y_Datatime.day == 29 and calendar.isleap( R_Y_Datatime.year - int(col_num.strip())) == False: R_ret_tuple = ( R_Y_Datatime.replace(year=R_Y_Datatime.year - int(col_num.strip()), month=R_Y_Datatime.month + 1, day=1)).timetuple() # 获取tuple time时间格式 else: R_ret_tuple = ( R_Y_Datatime.replace( year=R_Y_Datatime.year - int(col_num.strip()))).timetuple() # 获取tuple time时间格式 else: # 如果获取的数字不为正整数,则退出程序 print("Please enter right format symbol!!") print("If you don't kown what values is avalable,please use -h to get help!") exit(4) elif R_ColStr.find("+") != -1: # 判断+是否存在字符串 col_num = R_ColStr.split("+")[-1].strip() # 获取需要计算的数字 if col_num.strip().isdigit(): # 判断获取的数字是否为正整数 # 判断当前时间是否为闰年并且为二月29日,如果是相加/减后不为闰年则在月份加1,日期加1 if calendar.isleap( R_Y_Datatime.year) and R_Y_Datatime.month == 2 and R_Y_Datatime.day == 29 and calendar.isleap( R_Y_Datatime.year + col_num.strip()) == False: R_ret_tuple = ( R_Y_Datatime.replace(year=R_Y_Datatime.year - int(col_num.strip()), month=R_Y_Datatime.month + 1, day=1)).timetuple() # 获取tuple time时间格式 else: R_ret_tuple = ( R_Y_Datatime.replace( year=R_Y_Datatime.year + int(col_num.strip()))).timetuple() # 获取tuple time时间格式 else: print("Please enter right format symbol!!") print("If you don't kown what values is avalable,please use -h to get help!") exit(4) return R_ret_tuple # 获取月的最后一天 def R_Month_lastday(self, time_tuple): R_MA_datetime = datetime.datetime.fromtimestamp(time.mktime(time_tuple)) # time_tuple R_MA_datetime = R_MA_datetime.replace(day=(calendar.monthrange(R_MA_datetime.year, R_MA_datetime.month)[1])) return R_MA_datetime.timetuple() def R_colculation(self): ret_tupletime = None ColStr = self.rdate["colculation_string"] lastday = self.rdate["last_day"] input_time = None if ColStr != None: if type(ColStr) != str: print("Please enter right format symbol!!") print("If you don't kown what values is avalable,please use -h to get help!") exit(3) if (ColStr.find("-") != -1) and (ColStr.find("+") != -1): print("Please enter right format symbol!!") print("If you don't kown what values is avalable,please use -h to get help!") exit(3) if self.rdate["input_time"] != None: if self.rdate["input_format"] == None: i = 1 while 1: try: if i < 2: input_time = time.strptime(self.rdate["input_time"], "%Y%m%d") else: input_time = time.strptime(self.rdate["input_time"], "%Y-%m-%d") break except ValueError as e: if i < 2: i+=1 continue print("The input time and format do not match.") exit(98) elif self.rdate["input_format"] == "%s": if self.rdate["input_time"].isdigit(): input_time = time.localtime(int(self.rdate["input_time"])) else: print("The input time must be number.") exit(97) else: try: input_time = time.strptime(self.rdate["input_time"], self.rdate["input_format"]) except ValueError as e: print("The input time and format do not match.") exit(98) if lastday: if ColStr == None: if input_time != None: ret_tupletime = self.R_Month_lastday(input_time) else: ret_tupletime = self.R_Month_lastday(time.localtime()) # second的计算 # elif ColStr.strip().lower().find("second") != -1: # 判断是否传入的字符串中是否存在hour关键字 # ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time,"seconds") # # minute的计算 # elif ColStr.strip().lower().find("minute") != -1: # 判断是否传入的字符串中是否存在hour关键字 # # ret_tupletime = self.R_Minute_Colculation(ColStr.strip().lower(), input_time) # ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "minutes") # # hour的计算 # elif ColStr.strip().lower().find("hour") != -1: # 判断是否传入的字符串中是否存在hour关键字 # # ret_tupletime = self.R_Hour_Colculation(ColStr.strip().lower(), input_time) # ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "hours") # # day的计算 # elif ColStr.strip().lower().find("day") != -1: # 判断是否传入的字符串中是否存在day关键字 # # ret_tupletime = self.R_Month_lastday(self.R_Day_Colculation(ColStr.strip().lower(), input_time)) # ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "days") # # week的计算 # elif ColStr.strip().lower().find("week") != -1: # 判断是否传入的字符串中是否存在day关键字 # # ret_tupletime = self.R_Month_lastday(self.R_Week_Colculation(ColStr.strip().lower(), input_time)) # ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "weeks") elif ColStr.strip().lower().find("second") != -1 or ColStr.strip().lower().find("minute") != -1 or ColStr.strip().lower().find("hour") != -1 or ColStr.strip().lower().find("day") != -1 or ColStr.strip().lower().find("week") != -1: ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time) # month的计算 elif ColStr.strip().lower().find("month") != -1: # 判断是否传入的字符串中是否存在day关键字 ret_tupletime = self.R_Month_lastday(self.R_Month_Colculation(ColStr.strip().lower(), lastday, input_time)) # year的计算 elif ColStr.strip().lower().find("year") != -1: # 判断是否传入的字符串中是否存在day关键字 ret_tupletime = self.R_Month_lastday(self.R_Year_Colculation(ColStr.strip().lower(), input_time)) else: print("Please enter right format symbol of -c.") print("If you don't kown what values is avalable,please use -h to get help!") exit(3) else: if ColStr == None: if self.rdate["input_time"] != None: ret_tupletime = input_time else: ret_tupletime = time.localtime() # second的计算 elif ColStr.strip().lower().find("second") != -1: # 判断是否传入的字符串中是否存在hour关键字 ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "seconds") # minute的计算 elif ColStr.strip().lower().find("minute") != -1: # 判断是否传入的字符串中是否存在hour关键字 # ret_tupletime = self.R_Minute_Colculation(ColStr.strip().lower(), input_time) ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "minutes") # hour的计算 elif ColStr.strip().lower().find("hour") != -1: # 判断是否传入的字符串中是否存在hour关键字 # ret_tupletime = self.R_Hour_Colculation(ColStr.strip().lower(), input_time) ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "hours") # day的计算 elif ColStr.strip().lower().find("day") != -1: # 判断是否传入的字符串中是否存在day关键字 # ret_tupletime = self.R_Month_lastday(self.R_Day_Colculation(ColStr.strip().lower(), input_time)) ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "days") # week的计算 elif ColStr.strip().lower().find("week") != -1: # 判断是否传入的字符串中是否存在day关键字 # ret_tupletime = self.R_Month_lastday(self.R_Week_Colculation(ColStr.strip().lower(), input_time)) ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "weeks") # month的计算 elif ColStr.strip().lower().find("month") != -1: # 判断是否传入的字符串中是否存在day关键字 ret_tupletime = self.R_Month_Colculation(ColStr.strip().lower(), lastday, input_time) # year的计算 elif ColStr.strip().lower().find("year") != -1: # 判断是否传入的字符串中是否存在day关键字 ret_tupletime = self.R_Year_Colculation(ColStr.strip().lower(), input_time) else: print("Please enter right format symbol of -c.") print("If you don't kown what values is avalable,please use -h to get help!") exit(3) return ret_tupletime def func_help(): print(""" NAME: rdate --display date and time SYNOPSIS: rdate [-f] [time format] [-c] [colculation format] [-d] [input_time] [input_time_format] DESCRIPTION: -c: value is hour/day/week/month/year,plus +/-,plus a number which is number to colculate -l: obtain a number which is last day of month -d: input_time: enter a time string input_time_format: enter a time format for input time,default %Y%m%d or %Y-%m-%d -f: %A is replaced by national representation of the full weekday name. %a is replaced by national representation of the abbreviated weekday name. %B is replaced by national representation of the full month name. %b is replaced by national representation of the abbreviated month name. %C is replaced by (year / 100) as decimal number; single digits are preceded by a zero. %c is replaced by national representation of time and date. %D is equivalent to ``%m/%d/%y''. %d is replaced by the day of the month as a decimal number (01-31). %E* %O* POSIX locale extensions. The sequences %Ec %EC %Ex %EX %Ey %EY %Od %Oe %OH %OI %Om %OM %OS %Ou %OU %OV %Ow %OW %Oy are supposed to provide alternate representations. Additionally %OB implemented to represent alternative months names (used standalone, without day mentioned). %e is replaced by the day of the month as a decimal number (1-31); single digits are preceded by a blank. %F is equivalent to ``%Y-%m-%d''. %G is replaced by a year as a decimal number with century. This year is the one that contains the greater part of the week (Monday as the first day of the week). %g is replaced by the same year as in ``%G'', but as a decimal number without century (00-99). %H is replaced by the hour (24-hour clock) as a decimal number (00-23). %h the same as %b. %I is replaced by the hour (12-hour clock) as a decimal number (01-12). %j is replaced by the day of the year as a decimal number (001-366). %k is replaced by the hour (24-hour clock) as a decimal number (0-23); single digits are preceded by a blank. %l is replaced by the hour (12-hour clock) as a decimal number (1-12); single digits are preceded by a blank. %M is replaced by the minute as a decimal number (00-59). %m is replaced by the month as a decimal number (01-12). %n is replaced by a newline. %O* the same as %E*. %p is replaced by national representation of either ante meridiem (a.m.) or post meridiem (p.m.) as appropriate. %R is equivalent to ``%H:%M''. %r is equivalent to ``%I:%M:%S %p''. %S is replaced by the second as a decimal number (00-60). %s is replaced by the number of seconds since the Epoch, UTC (see mktime(3)). %T is equivalent to ``%H:%M:%S''. %t is replaced by a tab. %U is replaced by the week number of the year (Sunday as the first day of the week) as a decimal number (00-53). %u is replaced by the weekday (Monday as the first day of the week) as a decimal number (1-7). %V is replaced by the week number of the year (Monday as the first day of the week) as a decimal number (01-53). If the week containing January 1 has four or more days in the new year, then it is week 1; otherwise it is the last week of the previous year, and the next week is week 1. %v is equivalent to ``%e-%b-%Y''. %W is replaced by the week number of the year (Monday as the first day of the week) as a decimal number (00-53). %w is replaced by the weekday (Sunday as the first day of the week) as a decimal number (0-6). %X is replaced by national representation of the time. %x is replaced by national representation of the date. %Y is replaced by the year with century as a decimal number. %y is replaced by the year without century as a decimal number (00-99). %Z is replaced by the time zone name. %z is replaced by the time zone offset from UTC; a leading plus sign stands for east of UTC, a minus sign for west of UTC, hours and minutes follow with two digits each and no delimiter between them (common form for RFC 822 date headers). %+ is replaced by national representation of the date and time (the format is similar to that produced by date(1)). %-* GNU libc extension. Do not do any padding when performing numerical outputs. %_* GNU libc extension. Explicitly specify space for padding. %0* GNU libc extension. Explicitly specify zero for padding. %% is replaced by `%'. EXAMPLE: rdate --2017-10-23 11:04:51 Monday rdate -f "%Y-%m_%d" --2017-10-23 rdate -f "%Y-%m_%d" -c "day-3" --2017-10-20 rdate -f "%Y-%m_%d" -c "day+3" --2017-10-26 rdate -f "%Y-%m_%d" -c "month+3" --2017-7-23 rdate -f "%Y-%m_%d" -c "year+3" --2020-7-23 rdate -c "week - 1" -f "%Y-%m-%d %V" --2018-02-15 07 rdate -c "day - 30" -f "%Y-%m-%d" -l --2018-01-31 rdate -d "1972-01-31" "%Y-%m-%d" --1972-01-31 00:00:00 Monday """) if __name__ == "__main__": d1 = DateColculation() if len(sys.argv) > 1: i = 1 while i < len(sys.argv): if sys.argv[i] == "-h": # 判断输入的参数是否为-h,既获取帮助 func_help() exit(0) elif sys.argv[i] == "-f": # -f表示format,表示指定的输出时间格式 i = i + 1 if i >= len(sys.argv): # 判断-f的值的下标是否大于等于参数个数,如果为真则表示没有指定-f的值 print("The value of -f must be specified!!!") exit(1) elif sys.argv[i] == "-c": print("The value of -f must be specified!!!") exit(1) elif re.match("^-", sys.argv[i]) != None: # 判断-f的值,如果-f的下个参数以-开头,表示没有指定-f值 print("The value of -f must be specified!!!") exit(1) d1.rdate["time_format"] = sys.argv[i] # 获取输出时间格式 elif sys.argv[i] == "-c": # -c表示colculation,计算 i = i + 1 if i >= len(sys.argv): # 判断-f的值的下标是否大于等于参数个数,如果为真则表示没有指定-f的值 print("The value of -c must be specified!!!") exit(2) elif sys.argv[i] == "-f": print("The value of -c must be specified!!!") exit(2) elif (re.match("^-", sys.argv[i]) != None): # 判断-f的值,如果-f的下个参数以-开头,表示没有指定-f值 print("The value of -c must be specified!!!") exit(2) d1.rdate["colculation_string"] = sys.argv[i] # 获取需要计算的字符串参数内容 elif sys.argv[i] == "-d": # -d date 表示指定输入的时间和输入的时间格式 i += 1 if i >= len(sys.argv): # 判断-d的值的下标是否大于等于参数个数,如果为真则表示没有指定-的值 print("The value of -d must be specified!!!") exit(3) elif (re.match("^-", sys.argv[i]) != None): # 判断-d的值,如果-df的下个参数以-开头,表示没有指定-df值 print("The value of -c must be specified!!!") exit(3) d1.rdate["input_time"] = sys.argv[i] if (i+1 < len(sys.argv) and re.match("^-", sys.argv[(i+1)]) == None): d1.rdate["input_format"] = sys.argv[i+1] i+=1 elif sys.argv[i] == "-l": # -l表示获取月份的最后一天 d1.rdate["last_day"] = True else: print("You must enter right parametr.") print("If you don't kown what values is avalable,please use -h to get help!") exit(3) i = i + 1 d1.rdate["time_tuple"] = d1.R_colculation() # 获取时间的元组,通过R_colculation函数,R_colculation参数为传入一个需要计算的时间字符串 print(time.strftime(d1.rdate["time_format"], d1.rdate["time_tuple"])) exit(0) else: # 如果不输入参数,则输出默认格式化的本地时间 print(time.strftime(d1.rdate["time_format"], d1.rdate["time_tuple"])) exit(0)
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