Use etlalchemy for the migration

migration.py

@@ -0,0 +1,25 @@
+from etlalchemy import ETLAlchemySource, ETLAlchemyTarget
+
+source = ETLAlchemySource(
+    "sqlite:///databases/odyfo.db",
+    included_tables=[
+        "users",
+        "cities",
+        "games",
+        "payments",
+        "player_availabilities",
+        "player_cancel_games",
+        "purchase_games",
+        "sports",
+        "teams",
+        "user_ratings",
+        "venue_images",
+        "venues",
+        "web_bookings",
+    ],
+)
+target = ETLAlchemyTarget(
+    "postgresql+psycopg2://postgres@localhost/odyfo", drop_database=True
+)
+target.addSource(source)
+target.migrate()

shell.nix

@@ -8,7 +8,7 @@ let
   origin = "databases/odyfo.db";
 
 in mkShell {
-  buildInputs = [ postgresql sqlite ];
+  buildInputs = [ postgresql python27 python27Packages.virtualenv ];
 
   shellHook = ''
     trap "kill 0" EXIT
@@ -23,10 +23,14 @@ in mkShell {
       pg_ctl start -o "--unix_socket_directories=${data_dir} --listen_addresses='''"
     fi
 
-    psql -d postgres -f ${sql_file}
-
     alias psql='psql -d postgres'
     alias nuke='rm -rf ${data_dir}'
 
+    # Workaround to use pip
+    SOURCE_DATE_EPOCH=$(date +%s)
+    virtualenv .venv
+    export PATH=$PWD/.venv/bin:$PATH
+    pip install etlalchemy
+    pip install psycopg2
   '';
 }