Teach DB to create schema in existing connection

kdoorweb/kdoorweb/db.py

@@ -51,6 +51,9 @@ class DB:
 
     @staticmethod
     def create_db(dbfile):
+        if type(dbfile) is DB:
+            db = dbfile.db
+        else:
             db = sqlite3.connect(dbfile)
         db.executescript("""
             create table versions (

kdoorweb/tests/test_db.py

@@ -4,9 +4,15 @@ from kdoorweb.db import DB
 
 
 class TestDB(unittest.TestCase):
+    def setUp(self) -> None:
+        self.db = DB()
+
     def test_create_db_in_memory(self):
         DB.create_db(dbfile=":memory:")
 
+    def test_create_db_in_connection(self):
+        DB.create_db(dbfile=self.db)
+
 
 if __name__ == '__main__':
     unittest.main()