def _read_row(self, row: _ROW, id_: int) -> Movie:
"""
Helper method to construct a Movie from a row.
Raises:
ValueError: unable to parse row: {row}
"""
error = False
try:
title = row['Title']
genres = [
self._get_genre(Genre(name))
for name in row['Genre'].split(',')
]
description = row['Description']
director = self._get_director(Director(row['Director']))
actors = [
self._get_actor(Actor(name))
for name in row['Actors'].split(',')
]
release_year = int(row['Year'])
runtime_minutes = int(row['Runtime (Minutes)'])
rating = float(row['Rating'])
votes = int(row['Votes'])
revenue_millions = float(
row['Revenue (Millions)']
) if row['Revenue (Millions)'] != 'N/A' else None
metascore = int(
row['Metascore']) if row['Metascore'] != 'N/A' else None
except KeyError:
error = True
except ValueError:
error = True
if error:
raise ValueError(f'unable to parse row: {row}')
movie = Movie(title, release_year, id_)
movie.genres = genres
movie.description = description
movie.director = director
movie.actors = actors
movie.runtime_minutes = runtime_minutes
movie.rating = rating
movie.votes = votes
if revenue_millions:
movie.revenue_millions = revenue_millions
if metascore:
movie.metascore = metascore
return movie
def populated_movies(genres, directors, actors):
movies = []
for i in range(10):
movie = Movie(f'Movie{i}', 2000 + i, i)
movie.genres = [genres[i]]
movie.description = f'Description{i}'
movie.director = directors[i]
movie.actors = [actors[i]]
movie.runtime_minutes = i + 1
movie.rating = float(i)
movie.votes = i
if i % 2 == 0:
movie.revenue_millions = float(i + 1)
if i % 4 == 0:
movie.metascore = i * 10
movies.append(movie)
return movies