From 111f15b176433968b5663d7b9138d4b967fa3549 Mon Sep 17 00:00:00 2001 From: Cédric Bonhomme Date: Fri, 6 Mar 2015 14:37:42 +0100 Subject: Simplified manager.py. --- pyaggr3g470r/models/__init__.py | 68 ++++++++++++++++++++++++++++++++++++++++- 1 file changed, 67 insertions(+), 1 deletion(-) (limited to 'pyaggr3g470r') diff --git a/pyaggr3g470r/models/__init__.py b/pyaggr3g470r/models/__init__.py index 9584d1f2..42903f4e 100644 --- a/pyaggr3g470r/models/__init__.py +++ b/pyaggr3g470r/models/__init__.py @@ -31,5 +31,71 @@ from .role import Role from .user import User from .article import Article - __all__ = ['Feed', 'Role', 'User', 'Article'] + +import os + +from werkzeug import generate_password_hash + +from sqlalchemy.engine import reflection +from sqlalchemy.schema import ( + MetaData, + Table, + DropTable, + ForeignKeyConstraint, + DropConstraint) + +def db_empty(db): + "Will drop every datas stocked in 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() + +def db_create(db): + "Will create the database from conf parameters." + db.create_all() + + role_admin = Role(name="admin") + role_user = Role(name="user") + + user1 = User(nickname="admin", + email=os.environ.get("ADMIN_EMAIL", + "root@pyAggr3g470r.localhost"), + pwdhash=generate_password_hash( + os.environ.get("ADMIN_PASSWORD", "password")), + activation_key="") + user1.roles.extend([role_admin, role_user]) + + db.session.add(user1) + db.session.commit() \ No newline at end of file -- cgit