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#! /usr/bin/env python
# -*- coding: utf-8 -*-
__author__ = "Cedric Bonhomme"
__version__ = "$Revision: 0.3 $"
__date__ = "$Date: 2014/03/16 $"
__revision__ = "$Date: 2014/04/12 $"
__copyright__ = "Copyright (c) Cedric Bonhomme"
__license__ = "AGPLv3"
from pyaggr3g470r import db
from pyaggr3g470r.models import User, Role
from werkzeug import generate_password_hash
from sqlalchemy.engine import reflection
from sqlalchemy.schema import (
MetaData,
Table,
DropTable,
ForeignKeyConstraint,
DropConstraint,
)
def db_DropEverything(db):
# From http://www.sqlalchemy.org/trac/wiki/UsageRecipes/DropEverything
conn = db.engine.connect()
# the transaction only applies if the DB supports
# transactional DDL, i.e. Postgresql, MS SQL Server
trans = conn.begin()
inspector = reflection.Inspector.from_engine(db.engine)
# gather all data first before dropping anything.
# some DBs lock after things have been dropped in
# a transaction.
metadata = MetaData()
tbs = []
all_fks = []
for table_name in inspector.get_table_names():
fks = []
for fk in inspector.get_foreign_keys(table_name):
if not fk['name']:
continue
fks.append(
ForeignKeyConstraint((), (), name=fk['name'])
)
t = Table(table_name, metadata, *fks)
tbs.append(t)
all_fks.extend(fks)
for fkc in all_fks:
conn.execute(DropConstraint(fkc))
for table in tbs:
conn.execute(DropTable(table))
trans.commit()
db_DropEverything(db)
db.create_all()
role_admin = Role(name="admin")
role_user = Role(name="user")
user1 = User(firstname="admin", lastname="admin",
email="root@pyAggr3g470r.localhost",
pwdhash=generate_password_hash("root_password"))
user1.roles.extend([role_admin, role_user])
db.session.add(user1)
db.session.commit()
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