Simplified manager.py.

1 files changed, 67 insertions, 1 deletions

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