# Then customise based on the config file.
try:
config.load_file(options.config, working_dir)
except ConfigError, e:
print "Configuration error:", e.msg
sys.exit()
# Finally, customise based on command line arguments
if options.port:
config.lat_server_port = options.port
if options.hostname:
config.lat_server_hostname = options.hostname
# Try to load the LAT backend server.
try:
lat_server = LatServer(config.lat_server_hostname, config.lat_server_port)
lat_server.connect()
except:
sys.exit("Error connecting to LAT backend server at %s:%d" % (config.lat_server_hostname, config.lat_server_port))
# Load the experiment database
experiment_filename = os.path.join(working_dir, options.experiment)
experiment = load_experiment(experiment_filename)
if experiment == None:
sys.exit("Error loading experiment: %s" % experiment_filename)
if options.experiment_id:
replay_experiment(experiment, options.experiment_id, lat_server, options.tag_offset)
else:
list_location_module_ids(experiment)
options, args = option_parser.parse_args()
# Start logging.
if options.log_file:
log_file = os.path.join(working_dir, options.log_file)
else:
log_file = None
logging.basicConfig(filename=log_file, level=options.log_level,
format='%(asctime)s %(levelname)s %(message)s',
filemode='w')
config = Config()
if os.path.exists(options.config):
config.load_file(options.config)
experiment = load_experiment(options.experiment)
grid_size = 0.25
if os.path.exists(options.observation_database):
sys.exit("Observation database (%s) already exists" % options.observation_database)
observations = CanonicalObservationDatabase(options.observation_database)
observations.populate_observation_grid(config.min_x, config.max_x, config.min_y, config.max_y, grid_size)
for anchor_id, (x, y) in config.anchors.items():
observations.add_anchor(anchor_id, x, y)
count = 0
sql = "SELECT anchor_id, tag_id, distance, timestamp FROM distance_reading ORDER BY timestamp"
for anchor_id, tag_id, distance, timestamp in experiment.query(sql):
if __name__ == "__main__":
##############################
# Command line options.
##############################
usage = "usage: %prog [options] database1 database2..."
parser = OptionParser(usage=usage)
parser.add_option("-c", "--combined", dest="combined", default="combined.db",
help="The sqlite database file for the combined database.", metavar="FILE")
options, args = parser.parse_args()
try:
combined = new_experiment(options.combined)
except Exception, e:
sys.exit("Error loading combined database: %s" % str(e))
existing = []
for filename in args:
database = load_experiment(filename)
if database:
existing.append(database)
else:
logging.error("Error loading database: %s" % filename)
combine(combined, existing)
