前面认识的一个python库 docopt，可以使用__doc__来实现命令行参数的处理，使用起来非常简单；我也刚好有在命令行添加或删除testsuite/testcase的需求，所以写了一个demo文件。
PS：我才发现docopt有2年没更新了，好吧，还是可以继续用它。
直接上我的demo程序: https://github.com/smilejay/python/blob/master/py2016/try_docopt.py
#!/usr/bin/env python
"""Just try docopt lib for python
Usage:
try_docopt.py (-h | --help)
try_docopt.py [options]
Examples:
try_docopt.py -s +ts5,-ts2 -c +tc5,-tc3
Options:
-h, --help
-s, --testsuite suites #add/remove some testsuites
-c, --testcase cases #add/remove some testcases
"""
from docopt import docopt
testsuites = ['ts1', 'ts2', 'ts3', 'ts4']
testcases = ['tc1', 'tc2', 'tc3', 'tc4']
def add_remove(tlist, opt_list):
'''
add/remove item in tlist.
opt_list is a list like ['+ts5', '-ts2'] or ['+tc5', '-tc3'].
'''
flag = 0
for i in opt_list:
i = i.strip()
if i.startswith('+'):
tlist.append(i[1:])
elif i.startswith('-'):
if i[1:] in tlist:
tlist.remove(i[1:])
else:
print 'bad argument: %s is not in %s' % (i[1:], tlist)
flag = 1
else:
print 'bad argument: %s' % i
flag = 1
if flag:
return flag
else:
return tlist
if __name__ == '__main__':
args = docopt(__doc__)
ts_arg = args.get('--testsuite')
tc_arg = args.get('--testcase')
if ts_arg:
ts_opt_list = ts_arg.strip().split(',')
testsuites = add_remove(testsuites, ts_opt_list)
if tc_arg:
tc_opt_list = tc_arg.strip().split(',')
testcases = add_remove(testcases, tc_opt_list)
if testsuites != 1 and testcases != 1:
print 'ts: %s' % testsuites
print 'tc: %s' % testcases
Jay-Ali:py2016 jay$ python try_docopt.py -s +ts5,+ts8,-ts1 --testcase -tc3,+tc6 ts: ['ts2', 'ts3', 'ts4', 'ts5', 'ts8'] tc: ['tc1', 'tc2', 'tc4', 'tc6'] Jay-Ali:py2016 jay$ Jay-Ali:py2016 jay$ python try_docopt.py -s +ts5,+ts8,-ts1 --testcase -tc3,+tc6,-tc7 bad argument: tc7 is not in ['tc1', 'tc2', 'tc4', 'tc6']
docopt的github地址：https://github.com/docopt/docopt
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