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#    This file is part of rhizi, a collaborative knowledge graph editor.
#    Copyright (C) 2014-2015  Rhizi
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as published
#    by the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.


import sys
import os
import time

# Hack to setup rhizi path - needs a proper install.
path = None
for postfix in [['..', 'bin'], ['..', '..', 'server'], ['..', '..', 'rhizi-server']]:
    candidate = os.path.join(*([os.path.dirname(__file__)] + postfix))
    if os.path.exists(candidate):
        path = candidate
        break
if None is path:
    print("must be run from one or two directories above server")
    raise SystemExit
sys.path.append(path)


from rz_server import init_config, init_webapp
from rz_user_db import Fake_User_DB
from rz_kernel import RZ_Kernel
import db_controller as dbc

class RZ(object):
    def __init__(self, config_dir):
        cfg = init_config(config_dir)
        kernel = RZ_Kernel()
        db_ctl = dbc.DB_Controller(cfg.db_base_url)
        kernel.db_ctl = db_ctl
        user_db = Fake_User_DB()
        webapp = init_webapp(cfg, kernel)
        webapp.user_db = user_db
        kernel.db_op_factory = webapp  # assist kernel with DB initialization
        kernel.start()
        time.sleep(0.1)
        self.kernel = kernel