Python 定时运行脚本详解编程语言

#coding=utf-8 
import sys 
import os 
import datetime 
import time 
 
class ArgsDealwith: 
 
    def arg_environment(self, args): 
        filepath = ('PYTHON_PATH', 'path') 
        for i in filepath: 
            filename = os.environ.get(i,"%s is null." % i) 
            print '%s:' % i,' ', filename 
 
    def arg_en(self, args): 
        filepath = ('PYTHON_PATH', 'path') 
        for i in filepath: 
            filename = os.environ.get(i,"%s is null." % i) 
            print '%s:' % i, ' ', ' '.join(filename.split(';')) 
 
    def arg_file(self, args): 
        if not args: 
            print 'Error: file name is null.' 
        else: 
            if len(args) == 1 and args[0].lower() == 'python_path': 
                filename = os.environ.get(args[0], None) 
                if filename: 
                    args = filename.split(';') 
                else: 
                    print 'Error: "%s" is null' % args[0] 
                    exit() 
 
            for i in args: 
                if os.path.isfile(i): 
                    try: 
                        execfile(i) 
                    except: 
                        print 'Error: "%s" run failed.' % i 
                else: 
                    print 'Error: Not found "%s" file.' % i 
 
    def arg_filetime(self, args): 
        if not args: 
            print 'Error: file name is null.' 
        elif len(args) % 2 != 0: 
            print 'Error: args isn't validate' 
        else: 
            fileTimes = [i for i in args if args.index(i) % 2 != 0 ] 
            for i in fileTimes: 
                try: 
                    fileTimes[fileTimes.index(i)] = int(i) 
                except Exception: 
                    print 'Error: time args isn't validate' 
                    exit() 
                if i <= 0: 
                    print 'Error: time<=0' 
                    exit()                  
 
            minTime = fileTimes[0] 
            for i in fileTimes: 
                if i < minTime: 
                    minTime = i 
 
            strTime = time.strftime('%Y-%m-%d-%H-%M-%S', time.localtime()) 
            tupleTime = tuple([int(i) for i in strTime.split('-')]) 
            begin = datetime.datetime(tupleTime[0], tupleTime[1], tupleTime[2], tupleTime[3], tupleTime[4], tupleTime[5]) 
 
            fileTimes = [[i, 0] for i in fileTimes] 
            seconds = 0 
            while True: 
                strTime = time.strftime('%Y-%m-%d-%H-%M-%S', time.localtime()) 
                tupleTime = tuple([int(i) for i in strTime.split('-')]) 
                end = datetime.datetime(tupleTime[0], tupleTime[1],tupleTime[2], tupleTime[3], tupleTime[4], tupleTime[5]) 
 
                time_sub = end - begin 
                seconds = time_sub.seconds 
                begin = end 
                for i in fileTimes: 
                    i[1] += seconds 
 
                for i in fileTimes: 
                    if i[1] == 0: 
                        self.arg_file( [args[args.index(str(i[0])) - 1] ] ) 
                    elif i[1] >= i[0]: 
                        i[1] %= i[0] 
                        self.arg_file( [args[args.index(str(i[0])) - 1] ] ) 
                        if i[0] - i[1] < minTime: 
                            minTime = i[0] - i[1] 
 
                time.sleep(minTime) 
 
    def arg_help(self, args): 
        strHelp = "Usage: ps [-options] [args...] where option include:" 
        strHelp += """ 
        -? -help            print this help message 
        -e -environment     print environment path 
        -en                 print envrionment path per row 
        -f -file:<file> [file2 file3...] 
                            execute file(.py)       
        -ft -filetime:<file time> [file2 time2 file3 time3...] 
                            execute file(.py) per time, 
                            this run not stop, 
                            but this command hasn't validate.   
                            time(seconds) must is interger and 
                            not less than zero""" 
        print strHelp 
 
def arg_args(): 
    args_dic = {'arg_help' : ['-?', '-help'], 'arg_environment' : ['-e', '-environment'], 
                'arg_en' : ['-en'], 'arg_file' : ['-f', '-file'], 'arg_filetime' : ['-ft', 'filetime']} 
    argsCls = ArgsDealwith() 
    if len(sys.argv) <= 1: 
        argsCls.arg_help(sys.argv) 
    else: 
        argsFun = '' 
        for i in sys.argv[1:]: 
            bMath = False 
            for j in args_dic.items(): 
                if i in j[1]: 
                    argsFun = j[0] 
                    bMath = True 
                    break 
            if bMath: 
                break 
        if argsFun: 
            try: 
                getattr(argsCls, argsFun)(sys.argv[2:])     
            except Exception, error: 
                print error 
                exit() 
        else: 
            print 'Error: "%s" isn't validate arg.' % ' '.join(sys.argv[1:]) 
            del argsCls                     
 
if __name__ == '__main__': 
    arg_args()