Extend sqlite3 database, item and link support

test/create-database.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+#
+
+
+from itemsdb.sqlite3 import *
+from itemsdb.log import *
+import os.path
+
+
+dbdir = os.getenv("ITEMSDB_SQLITE3_DATABASEDIR", ".")
+dbname = os.getenv("ITEMSDB_SQLITE3_FILENAME", "itemsdb.db")
+dbprefix = os.getenv("ITEMSDB_PREFIX", "")
+dbfilename = os.path.join(dbdir, f"{dbprefix}{dbname}")
+
+parameter = dict(filename=dbfilename, prefix=dbprefix)
+
+db = DBSqlite3(parameter=parameter)
+
+debug(f"Database: '{type(db)}'")
+try:
+    db_created, msg = db.create()
+    debug(f"Database after create(): '{type(db)}'")
+    if db_created:
+        print(f"Database '{dbfilename}' created")
+    else:
+        print(msg)
+        open, open_msg = db.open()
+        print(open_msg)
+
+    debug(f"Database after open(): '{type(db)}'")
+    tables_created, msg = db.createTables()
+    if tables_created:
+        print(f"{msg}: {', '.join([model.__name__ for model in db.models])}")
+    else:
+        print(msg)
+
+
+except DBException as db_e:
+    print(db_e)