"""Run from the supplied project's lessons folder; data is temporary."""
from pathlib import Path
import sys
lesson_folder = Path(__file__).resolve().parent
# A lesson filename must not shadow an installed package such as whitenoise.
sys.path = [entry for entry in sys.path if Path(entry or ".").resolve() != lesson_folder]
sys.path.insert(0, str(lesson_folder.parent))
from lab_support import start
start()
from workshops.models import Venue, Workshop, Reservation
from django.test import Client, RequestFactory, override_settings

# Lesson code: the shared lab is ready, with three fictional workshops.
from django.db import connection
from django.db.migrations.executor import MigrationExecutor
executor = MigrationExecutor(connection)
executor.migrate([("workshops", "0001_initial")])
old_apps = executor.loader.project_state([("workshops", "0001_initial")]).apps
old_venue = old_apps.get_model("workshops", "Venue")
print(old_venue.objects.get(code="river-hall").name)
MigrationExecutor(connection).migrate([("workshops", "0002_venue_access_note")])
print(Venue.objects.get(code="river-hall").access_note == "")