# TODO for gnu_getopt():

#

# - GNU getopt_long_only mechanism

# - allow the caller to specify ordering

# - RETURN_IN_ORDER option

# - GNU extension with '-' as first character of option string

# - an option string with a W followed by semicolon should

# treat "-W foo" as "--foo"

long options which should be supported. The leading '--'

characters should not be included in the option name. Options

which require an argument should be followed by an equal sign

('='). Options which acept an optional argument should be

('='). Options which accept an optional argument should be

followed by an equal sign and question mark ('=?').

The return value consists of two elements: the first is a list of

else:

longopts = list(longopts)

return_in_order = False

if shortopts.startswith('-'):

shortopts = shortopts[1:]

all_options_first = False

return_in_order = True

# Allow options after non-option arguments?

if shortopts.startswith('+'):

elif shortopts.startswith('+'):

shortopts = shortopts[1:]

all_options_first = True

elif os.environ.get("POSIXLY_CORRECT"):

break

if args[0][:2] == '--':

if return_in_order and prog_args:

opts.append((None, prog_args))

prog_args = []

opts, args = do_longs(opts, args[0][2:], longopts, args[1:])

elif args[0][:1] == '-' and args[0] != '-':

if return_in_order and prog_args:

opts.append((None, prog_args))

prog_args = []

opts, args = do_shorts(opts, args[0][1:], shortopts, args[1:])

else:

if all_options_first: