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May 2, 2015 12:52
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Automation Scripting Essentials, Python: Parsing command line parameters using getopt
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| #!/usr/bin/python | |
| # Automation Scripting Essential Skills https://github.com/dgoade/ase | |
| # Python | |
| # Input: Parsing command-line parameters | |
| # Technique1 -- Use getopt | |
| import getopt | |
| import sys | |
| def usage(): | |
| print "usage" | |
| def main(): | |
| rval = True | |
| help = False | |
| logLevel = "error" | |
| no_op = False | |
| verbose = False | |
| try: | |
| opts, args = getopt.getopt(sys.argv[1:], "a:hl:nv", ["action=", "help", "loglevel=", "noop", "verbose"]) | |
| except getopt.GetoptError as err: | |
| # print help information and exit: | |
| print str(err) # will print something like "option -a not recognized" | |
| usage() | |
| rval = False | |
| if rval: | |
| no_op = False | |
| verbose = False | |
| for o, a in opts: | |
| if o in ("-a", "--action"): | |
| action = a | |
| elif o in ("-h", "--help"): | |
| help = True | |
| usage() | |
| rval = False | |
| elif o in ("-l", "--loglevel"): | |
| logLevel = a | |
| elif o in ("-n", "--noop"): | |
| no_op = True | |
| elif o in ("-v", "--verbose"): | |
| verbose = True | |
| else: | |
| assert False, "unhandled option" | |
| if rval: | |
| print "You passed these args:" | |
| print ("action: %s" % action) | |
| print ("help: %s" % help) | |
| print ("loglevel: %s" % logLevel) | |
| print ("noop: %s" % no_op) | |
| print ("verbose: %s" % verbose) | |
| if __name__ == "__main__": | |
| main() |
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