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22 lines
480 B
Python
22 lines
480 B
Python
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##
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##
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import sys
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from optparse import OptionParser
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class UsageOptionParser(OptionParser):
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"""
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A subclass of OptionParser that prints that overrides error() to print the
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whole help text, rather than just the usage string.
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"""
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def error(self, msg):
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"""
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Print the help text and exit.
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"""
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self.print_help(sys.stderr)
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sys.stderr.write("\n")
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sys.stderr.write(msg)
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sys.stderr.write("\n")
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sys.exit(2)
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