'-h', '--help', action='help',
help='Show this help message and exit.') settings, args = parser.parse_args(argv)
# check number of arguments, verify values, etc.: if args:
parser.error('program takes no command-line arguments; ' '\
# further process settings & args if necessary return settings, args def main(argv=None):
settings, args = process_command_line(argv) # application code here, like: # run(settings, args) return 0 # success if __name__ == '__main__': status = main() sys.exit(status) 读写csv文件
# 从csv中读取文件, 基本和传统文件读取类似 import csv
with open('data.csv', 'rb') as f:
reader = csv.reader(f) for row in reader: print row # 向csv文件写入 import csv
with open( 'data.csv', 'wb') as f: writer = csv.writer(f)
writer.writerow(['name', 'address', 'age']) # 单行写入 data = [
( 'xiaoming ','china','10'), ( 'Lily', 'USA', '12')]
writer.writerows(data) # 多行写入 各种时间形式转换
只发一张网上的图, 然后查文档就好了, 这个是记不住的