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20 lines
565 B
Python
Executable file
20 lines
565 B
Python
Executable file
import optparse
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class OptionParser (optparse.OptionParser):
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def check_required (self, opt):
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option = self.get_option(opt)
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# Assumes the option's 'default' is set to None!
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if getattr(self.values, option.dest) is None:
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self.error("%s option not supplied" % option)
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parser = OptionParser()
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parser.add_option("-v", action="count", dest="verbose")
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parser.add_option("-f", "--file", default=None)
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(options, args) = parser.parse_args()
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print "verbose:", options.verbose
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print "file:", options.file
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parser.check_required("-f")
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