def load_state (filename):
STATE_VARS = {
'last_timestamp': str,
'last_revid': int,
}
DEFAULTS = {
'last_timestamp': None,
'last_revid': 0,
}
try:
state = load_vars(STATE_VARS, filename)
except VariablesMissing as e:
# If the file was empty, use defaults.
# Otherwise, something is wrong. Re-raise.
if e.variables == set(STATE_VARS.keys()):
state = DEFAULTS
else:
raise e
return state
last_sent = time.time()
CONF_VARS = {
'nick': str,
'realname': str,
'target': str,
'irc_host': str,
'irc_port': int,
'pid_file': str,
'fifo_file': str,
}
CONF_FILE = 'mecha.conf'
conf = load_vars(CONF_VARS, CONF_FILE)
pid_file = conf['pid_file']
try:
with open(pid_file, 'x') as f:
f.write('{:d}\n'.format(os.getpid()))
except FileExistsError:
print('PID file exists at {:s}.\nNot running.'.format(pid_file),
file=sys.stderr)
sys.exit(1)
fifo = conf['fifo_file']
try:
addr = (conf['irc_host'], conf['irc_port'])
