def __init__(self, argv=None):
DictType.clear(self)
# first of all we load default CANVAS config (at the top of that file)
for line in self.__default_config.split('\n'):
self.__parse_configline(line, 'Config::DefaultConf')
# then we parse user's config file
self.load_configfile()
# and at the end we overwrite config with cmdline options
self.parse_argv()
