1 """

     2     Main entry point for the command-line interface

     3 """

     4 

     5 import commands

     6 

     7 from optparse import OptionParser

     8 

     9 def option_parser (command_name) :

    10     """

    11         Build the OptionParser that we use

    12     """

    13     

    14     # create parser using the given command

    15     parser = OptionParser(prog=command_name)

    16     

    17     # define options

    18     parser.add_option('-d', "--dir", dest='dir', help="Use DIR as the image/HTML path [default: CWD]", metavar='DIR', default='.')

    19     

    20     return parser

    21 

    22 def main (argv) :

    23     """

    24         Main entry point

    25     """

    26 

    27     # build optparser

    28     parser = option_parser(argv[0])

    29     

    30     # parse the given argv

    31     options, filter_targets = parser.parse_args(argv[1:])

    32     

    33     # run the selected command

    34     return commands.main(options.dir, filter_targets)

    35