terom@48: """
terom@48:     Main entry point for the command-line interface
terom@48: """
terom@48: 
terom@72: import gallery, commands, config as config_module
terom@48: 
terom@48: from optparse import OptionParser
terom@48: 
terom@48: def option_parser (command_name) :
terom@48:     """
terom@48:         Build the OptionParser that we use
terom@48:     """
terom@48:     
terom@48:     # create parser using the given command
terom@48:     parser = OptionParser(prog=command_name)
terom@48:     
terom@48:     # define options
terom@87:     parser.add_option('-G', "--gallery-path",   metavar='DIR',  dest='gallery_path',    default=None,
terom@87:             help="Use DIR as the Gallery path [default: CWD]")
terom@87: 
terom@87:     parser.add_option('-F', "--force-update",   dest='force_update', action="store_true", default=False,
terom@101:             help="--force-thumb + --force-html")
terom@101: 
terom@101:     parser.add_option("--force-thumb",          dest='force_thumb', action="store_true", default=False,
terom@101:             help="Force-update all thumbnails")
terom@101: 
terom@101:     parser.add_option("--force-html",           dest='force_html', action="store_true", default=False,
terom@101:             help="Force-update all .html files")
terom@101: 
terom@101:     parser.add_option('-d', "--debug",          dest='debug', action="store_true", default=False,
terom@101:             help="Show debug output")
terom@101: 
terom@101:     parser.add_option('-q', "--quiet",           dest='quiet', action="store_true", default=False,
terom@101:             help="Reduced output")
terom@48:     
terom@48:     return parser
terom@48: 
terom@72: def build_config (options) :
terom@72:     """
terom@72:         Build a configuration object with the given options
terom@72:     """
terom@72:     
terom@72:     # build default config
terom@72:     config = config_module.Configuration()
terom@72:     
terom@72:     # apply options
terom@72:     if options.gallery_path :
terom@72:         config.gallery_path = options.gallery_path
terom@72:     
terom@87:     if options.force_update :
terom@101:         config.force_html = True
terom@101:         config.force_thumb = True
terom@101:     
terom@101:     if options.force_thumb :
terom@101:         config.force_thumb = True
terom@101: 
terom@101:     if options.force_html :
terom@101:         config.force_html = True
terom@101: 
terom@101:     if options.debug :
terom@101:         config.log_level = config_module.logging.DEBUG
terom@101: 
terom@101:     if options.quiet :
terom@101:         config.log_level = config_module.logging.WARN
terom@87: 
terom@72:     # XXX: load config file(s)
terom@72: 
terom@72:     return config
terom@72: 
terom@72: def load_gallery (config) :
terom@72:     """
terom@72:         Create the Gallery object that we are manipulating
terom@72:     """
terom@72:     
terom@72:     # read path from config
terom@72:     return gallery.Gallery(config.gallery_path, config)
terom@72: 
terom@76: def load_command (config, args) :
terom@72:     """
terom@72:         Figure out what command to run and with what args
terom@72:     """
terom@72:     
terom@72:     # XXX: hardcoded
terom@76:     return commands.main, args, {}
terom@76: 
terom@76: def run_command (config, gallery, command, args, kwargs) :
terom@76:     """
terom@76:         Run the given command
terom@76:     """
terom@76:     
terom@76:     # setup the command execution context
terom@76:     command_ctx = command.setup(config, gallery)
terom@92:   
terom@92:     # run with error handling
terom@92:     return command_ctx.run()
terom@72: 
terom@48: def main (argv) :
terom@48:     """
terom@48:         Main entry point
terom@48:     """
terom@48: 
terom@76:     ## load commands
terom@76:     #commands = load_commands()
terom@72: 
terom@48:     # build optparser
terom@48:     parser = option_parser(argv[0])
terom@48:     
terom@48:     # parse the given argv
terom@72:     options, args = parser.parse_args(argv[1:])
terom@72: 
terom@72:     # build our config
terom@72:     config = build_config(options)
terom@72: 
terom@72:     # open gallery
terom@72:     gallery = load_gallery(config)
terom@72: 
terom@72:     # figure out what command to run
terom@76:     command, args, kwargs = load_command(config, args)
terom@76: 
terom@48:     # run the selected command
terom@76:     ret = run_command(config, gallery, command, args, kwargs)
terom@72:     
terom@72:     if ret is None :
terom@72:         # success
terom@72:         return 0
terom@48: 
terom@72:     else :
terom@72:         # exit with error code
terom@72:         assert isinstance(ret, int)
terom@72:         return ret
terom@72: