def loadConfig(path):
    # [useraccess]
    # allow=uid1,uid2,...
    # deny=uid1,uid2,...
    # order=allow,deny
    # [groupaccess]
    # allow=gid1,gid2,...
    # deny=gid1,gid2,...
    # order=deny,allow
    # [identity]
    # host1=username:password
    # host2=username:password
    # [addresses]
    # smarthost=a.b.c.d
    # default_domain=x.y.z

    c = Configuration()

    if not os.access(path, os.R_OK):
        return c

    p = ConfigParser()
    p.read(path)

    au = c.allowUIDs
    du = c.denyUIDs
    ag = c.allowGIDs
    dg = c.denyGIDs
    for (section, a, d) in (('useraccess', au, du), ('groupaccess', ag, dg)):
        if p.has_section(section):
            for (mode, L) in (('allow', a), ('deny', d)):
                if p.has_option(section, mode) and p.get(section, mode):
                    for id in p.get(section, mode).split(','):
                        try:
                            id = int(id)
                        except __HOLE__:
                            log("Illegal %sID in [%s] section: %s", section[0].upper(), section, id)
                        else:
                            L.append(id)
            order = p.get(section, 'order')
            order = map(str.split, map(str.lower, order.split(',')))
            if order[0] == 'allow':
                setattr(c, section, 'allow')
            else:
                setattr(c, section, 'deny')

    if p.has_section('identity'):
        for (host, up) in p.items('identity'):
            parts = up.split(':', 1)
            if len(parts) != 2:
                log("Illegal entry in [identity] section: %s", up)
                continue
            p.identities[host] = parts

    if p.has_section('addresses'):
        if p.has_option('addresses', 'smarthost'):
            c.smarthost = p.get('addresses', 'smarthost')
        if p.has_option('addresses', 'default_domain'):
            c.domain = p.get('addresses', 'default_domain')

    return c
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/mail/scripts/mailmail.py/loadConfig