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PyLink/conf.py

50 lines
1.9 KiB
Python

"""
conf.py - PyLink configuration core.
This module is used to access the configuration of the current PyLink instance.
It provides simple checks for validating and loading YAML-format configurations from arbitrary files.
"""
import yaml
import sys
from collections import defaultdict
from . import world
def validateConf(conf):
"""Validates a parsed configuration dict."""
assert type(conf) == dict, "Invalid configuration given: should be type dict, not %s." % type(conf).__name__
for section in ('bot', 'servers', 'login', 'logging'):
assert conf.get(section), "Missing %r section in config." % section
for netname, serverblock in conf['servers'].items():
for section in ('ip', 'port', 'recvpass', 'sendpass', 'hostname',
'sid', 'sidrange', 'protocol', 'maxnicklen'):
assert serverblock.get(section), "Missing %r in server block for %r." % (section, netname)
assert type(serverblock.get('channels')) == list, "'channels' option in " \
"server block for %s must be a list, not %s." % (netname, type(serverblock['channels']).__name__)
assert type(conf['login'].get('password')) == type(conf['login'].get('user')) == str and \
conf['login']['password'] != "changeme", "You have not set the login details correctly!"
return conf
def loadConf(filename, errors_fatal=True):
"""Loads a PyLink configuration file from the filename given."""
global confname, conf, fname
fname = filename
confname = filename.split('.', 1)[0]
with open(filename, 'r') as f:
try:
conf = yaml.load(f)
conf = validateConf(conf)
except Exception as e:
print('ERROR: Failed to load config from %r: %s: %s' % (filename, type(e).__name__, e))
if errors_fatal:
sys.exit(4)
raise
else:
return conf