# _*_ coding:utf-8 _*_ import string import random def str_format(): s1 = """abc%sddd""" % 'asd' print s1 url = """http://127.0.0.1:9325/shortvideo/checkBlack?url=%s&serial=%s""" % ('http%3A%2F%2Fzbasecapture.bs2.yy.com%2F42269159_1499248536403_3.jpg', '77777777') print url def generator_random_str(size=6, str_source=string.digits + string.lowercase): """:return size num str(in 'A~z, 0-9') eg. size=6 return 'ad14df' [random.choice('abcde') for _ in range(3)] -> ['a', 'b', 'b'] ''.join(['a', 'b', 'b']) -> 'abb' """ return ''.join(random.choice(str_source) for _ in xrange(size)) def str_split(): s = 'python_worker_name&topSid_111_appid_111&topSid_222_appid_222' print s[0:s.find('&')] print s.split('&') print s.split('&')[1:] def remove_sub_str(): src = 'channel_1' sub_s = 'chan' print src[src.find(sub_s):] print src.find(sub_s) print src.replace(sub_s, '') def str_format_once(): query = """insert into {tb_name} (create_time, appid) VALUES (%s,%s)""" tb_name = 'tb_audio_rec_ret_2017_11' # query % tb_name error print query.format(tb_name=tb_name) # insert into tb_audio_rec_ret_2017_11 (create_time, appid) VALUES (%s,%s) def str_replace(): import time s = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) print s # 2017-11-09 17:26:34 print s[0:7].replace('-', '_') # 2017_11 def char_2int_2char(): print ord('a') # 97 print chr(97) # a def fill_zero(): s_num = 11 print str(s_num).zfill(5) # 00011 if __name__ == '__main__': print fill_zero() # char_2int_2char() # str_replace() # str_format_once() # remove_sub_str() # str_split() # str_format() # print generator_random_str() # print generator_random_str(3, 'abc123') # s = '123' # if s.find("12") == -1: # print 'no no ' b = 0 b = None # if b is not zero not None(like -1, 1) it will print if b: print '%s not zero' % b # url = 'bear fish.com' # if url.endswith('.com'): # url = url[:-4] # print url url = 'www.myzaker.com/article/58daf1b69490cbe53400001b/' # if 'aa' in url: # print '1' # elif 'comp' in url: # print '2' # else: # print '3' # print url.find('myzaker') # print url.find('www.myzaker') # print url.find('http') # print s[1:] # print s[:] # print s[:2] pass