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#!/usr/bin/env python
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# encoding: utf-8
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# database managment for hg app
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# Copyright (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; version 2
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# of the License or (at your opinion) any later version of the license.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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"""
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Created on April 10, 2010
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database managment and creation for hg app
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@author: marcink
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"""
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from os.path import dirname as dn, join as jn
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import os
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import sys
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ROOT = dn(dn(dn(os.path.realpath(__file__))))
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sys.path.append(ROOT)
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from pylons_app.lib.auth import get_crypt_password
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from pylons_app.model import init_model
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from pylons_app.model.db import User, Permission
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from pylons_app.model.meta import Session, Base
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from sqlalchemy.engine import create_engine
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import logging
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log = logging.getLogger('db manage')
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log.setLevel(logging.DEBUG)
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console_handler = logging.StreamHandler()
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console_handler.setFormatter(logging.Formatter("%(asctime)s.%(msecs)03d"
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" %(levelname)-5.5s [%(name)s] %(message)s"))
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log.addHandler(console_handler)
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class DbManage(object):
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def __init__(self, log_sql):
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self.dbname = 'hg_app.db'
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dburi = 'sqlite:////%s' % jn(ROOT, self.dbname)
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engine = create_engine(dburi, echo=log_sql)
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init_model(engine)
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self.sa = Session()
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self.db_exists = False
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def check_for_db(self, override):
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log.info('checking for exisiting db')
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if os.path.isfile(jn(ROOT, self.dbname)):
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self.db_exists = True
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log.info('database exisist')
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if not override:
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raise Exception('database already exists')
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def create_tables(self, override=False):
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"""
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Create a auth database
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"""
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self.check_for_db(override)
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if override:
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log.info("database exisist and it's going to be destroyed")
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if self.db_exists:
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os.remove(jn(ROOT, self.dbname))
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Base.metadata.create_all(checkfirst=override)
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log.info('Created tables for %s', self.dbname)
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def admin_prompt(self):
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import getpass
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username = raw_input('Specify admin username:')
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password = getpass.getpass('Specify admin password:')
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self.create_user(username, password, True)
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def create_user(self, username, password, admin=False):
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log.info('creating administrator user %s', username)
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new_user = User()
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new_user.username = username
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new_user.password = get_crypt_password(password)
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new_user.name = 'Admin'
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new_user.lastname = 'Admin'
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new_user.email = 'admin@localhost'
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new_user.admin = admin
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new_user.active = True
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try:
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self.sa.add(new_user)
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self.sa.commit()
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except:
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self.sa.rollback()
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raise
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def create_permissions(self):
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#module.(access|create|change|delete)_[name]
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perms = [('admin.access_home', 'Access to admin user view'),
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]
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for p in perms:
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new_perm = Permission()
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new_perm.permission_name = p[0]
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new_perm.permission_longname = p[1]
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try:
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self.sa.add(new_perm)
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self.sa.commit()
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except:
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self.sa.rollback()
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raise
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if __name__ == '__main__':
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dbmanage = DbManage(log_sql=True)
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dbmanage.create_tables(override=True)
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dbmanage.admin_prompt()
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dbmanage.create_permissions()
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