Updated relationships for SQLAlchemy 1.4

main.py

@@ -9,7 +9,7 @@ from movies import MovieDatabase, Movie, Genre
 class MoviesApp(App):
     def __init__(self, **kwargs):
         super(MoviesApp, self).__init__(**kwargs)
-        url = MovieDatabase.construct_mysql_url('localhost', 3306, 'movies', 'root', 'cse')
+        url = MovieDatabase.construct_mysql_url('localhost', 3306, 'movies', 'root', 'cse1208')
         self.movie_database = MovieDatabase(url)
         self.session = self.movie_database.create_session()
 

movies.py

@@ -13,7 +13,7 @@ class Movie(Persisted):
     budget = Column(Integer)
     gross_revenue = Column(Integer)
     opening_date = Column(Date)
-    genres = relationship('Genre', uselist=True, secondary='movie_genres')
+    genres = relationship('Genre', uselist=True, secondary='movie_genres', viewonly=True)
     reviews = relationship('Review', uselist=True, back_populates='movie')
 
 
@@ -30,7 +30,7 @@ class Genre(Persisted):
     __tablename__ = 'genres'
     genre_id = Column(Integer, primary_key=True)
     name = Column(String(256), nullable=False)
-    movies = relationship('Movie', uselist=True, secondary='movie_genres')
+    movies = relationship('Movie', uselist=True, secondary='movie_genres', viewonly=True)
 
 
 class MovieGenre(Persisted):

movies_installer.py

@@ -55,7 +55,7 @@ def add_starter_data(session):
 
 def main():
     try:
-        url = MovieDatabase.construct_mysql_url('localhost', 3306, 'movies', 'root', 'cse')
+        url = MovieDatabase.construct_mysql_url('localhost', 3306, 'movies', 'root', 'cse1208')
         movie_database = MovieDatabase(url)
         movie_database.ensure_tables_exist()
         print('Tables created.')