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			60 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable file
		
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable file
		
	
	
	
	
from optparse import Option, OptionParser, _match_abbrev
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# This case-insensitive option parser relies on having a
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# case-insensitive dictionary type available.  Here's one
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# for Python 2.2.  Note that a *real* case-insensitive
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# dictionary type would also have to implement __new__(),
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# update(), and setdefault() -- but that's not the point
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# of this exercise.
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class caseless_dict (dict):
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    def __setitem__ (self, key, value):
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        dict.__setitem__(self, key.lower(), value)
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    def __getitem__ (self, key):
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        return dict.__getitem__(self, key.lower())
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    def get (self, key, default=None):
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        return dict.get(self, key.lower())
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    def has_key (self, key):
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        return dict.has_key(self, key.lower())
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class CaselessOptionParser (OptionParser):
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    def _create_option_list (self):
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        self.option_list = []
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        self._short_opt = caseless_dict()
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        self._long_opt = caseless_dict()
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        self._long_opts = []
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        self.defaults = {}
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    def _match_long_opt (self, opt):
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        return _match_abbrev(opt.lower(), self._long_opt.keys())
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if __name__ == "__main__":
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    from optik.errors import OptionConflictError
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    # test 1: no options to start with
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    parser = CaselessOptionParser()
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    try:
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        parser.add_option("-H", dest="blah")
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    except OptionConflictError:
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        print "ok: got OptionConflictError for -H"
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    else:
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        print "not ok: no conflict between -h and -H"
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    parser.add_option("-f", "--file", dest="file")
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    #print repr(parser.get_option("-f"))
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    #print repr(parser.get_option("-F"))
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    #print repr(parser.get_option("--file"))
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    #print repr(parser.get_option("--fIlE"))
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    (options, args) = parser.parse_args(["--FiLe", "foo"])
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    assert options.file == "foo", options.file
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    print "ok: case insensitive long options work"
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    (options, args) = parser.parse_args(["-F", "bar"])
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    assert options.file == "bar", options.file
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    print "ok: case insensitive short options work"
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