Solution

.gitignore

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+# Python bytecode
+*.pyc
+*.pyo
+__pycache__/
+*.pyd
+*.pyo
+
+# Virtual environment
+.venv/
+env/
+venv/
+
+# Django specific
+*.log
+db.sqlite3
+media/
+staticfiles/
+
+# PyCharm project files
+.idea/
+
+# VSCode project files
+.vscode/
+
+# System-specific files
+.DS_Store
+Thumbs.db
+
+# Python dependency files
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Test and coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+*.cover
+coverage.xml
+*.coveragerc
+
+# Migrations
+*/migrations/*
+
+# Ignore the below migrations while keeping the `__init__.py`
+*/migrations/*.py[cod]
+
+# Ignore secrets
+.env
+.env.*
+
+# Ignore compiled translations
+*.mo
+
+# Ignore built distributions
+*.egg
+*.egg-info/
+dist/
+build/

cinema/admin.py

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+from django.contrib import admin
+
+from cinema.models import Movie
+
+admin.site.register(Movie)

cinema/apps.py

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+from django.apps import AppConfig
+
+
+class CinemaConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "cinema"

cinema/models.py

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+from django.db import models
+
+
+class Movie(models.Model):
+    title = models.CharField(max_length=100)
+    description = models.TextField()
+    duration = models.IntegerField()

cinema/serializers.py

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+from rest_framework import serializers
+
+from cinema.models import Movie
+
+
+class MovieSerializer(serializers.Serializer):
+    id = serializers.IntegerField(read_only=True)
+    title = serializers.CharField(max_length=100)
+    description = serializers.CharField()
+    duration = serializers.IntegerField()
+
+    def create(self, validated_data):
+        return Movie.objects.create(**validated_data)
+
+    def update(self, instance, validated_data):
+        instance.title = validated_data.get("title", instance.title)
+        instance.description = validated_data.get("description", instance.description)
+        instance.duration = validated_data.get("duration", instance.duration)
+        instance.save()
+        return instance

cinema/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

cinema/urls.py

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+from django.urls import path
+
+from cinema.views import movie_list, movie_detail
+
+
+app_name = "cinema"
+
+
+urlpatterns = [
+    path("movies/", movie_list, name="movie-list"),
+    path("movies/<int:pk>/", movie_detail, name="movie-detail"),
+]

cinema/views.py

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+from rest_framework.decorators import api_view
+from rest_framework.generics import get_object_or_404
+from rest_framework.response import Response
+from rest_framework import status
+
+from cinema.models import Movie
+from cinema.serializers import MovieSerializer
+
+
+@api_view(["GET", "POST"])
+def movie_list(request):
+    if request.method == "GET":
+        movies = Movie.objects.all()
+        serializer = MovieSerializer(movies, many=True)
+        return Response(serializer.data, status=status.HTTP_200_OK)
+    elif request.method == "POST":
+        serializer = MovieSerializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+        serializer.save()
+        return Response(serializer.data, status=status.HTTP_201_CREATED)
+
+
+@api_view(["GET", "PUT", "DELETE"])
+def movie_detail(request, pk):
+    movie = get_object_or_404(Movie, pk=pk)
+    if request.method == "GET":
+        serializer = MovieSerializer(movie)
+        return Response(serializer.data, status=status.HTTP_200_OK)
+    elif request.method == "PUT":
+        serializer = MovieSerializer(movie, data=request.data)
+        serializer.is_valid(raise_exception=True)
+        serializer.save()
+        return Response(serializer.data, status=status.HTTP_200_OK)
+    elif request.method == "DELETE":
+        movie.delete()
+        return Response(status=status.HTTP_204_NO_CONTENT)

core/asgi.py

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+"""
+ASGI config for core project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.1/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "core.settings")
+
+application = get_asgi_application()

core/settings.py

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+"""
+Django settings for core project.
+
+Generated by 'django-admin startproject' using Django 5.1.3.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.1/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/5.1/ref/settings/
+"""
+
+from pathlib import Path
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/5.1/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = "django-insecure-#ey3olt$nma!q#-@+kk%ys*w)esqge%z8*g8elb=u55*53xi$+"
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    "django.contrib.admin",
+    "django.contrib.auth",
+    "django.contrib.contenttypes",
+    "django.contrib.sessions",
+    "django.contrib.messages",
+    "django.contrib.staticfiles",
+    "rest_framework",
+    "cinema",
+]
+
+MIDDLEWARE = [
+    "django.middleware.security.SecurityMiddleware",
+    "django.contrib.sessions.middleware.SessionMiddleware",
+    "django.middleware.common.CommonMiddleware",
+    "django.middleware.csrf.CsrfViewMiddleware",
+    "django.contrib.auth.middleware.AuthenticationMiddleware",
+    "django.contrib.messages.middleware.MessageMiddleware",
+    "django.middleware.clickjacking.XFrameOptionsMiddleware",
+]
+
+ROOT_URLCONF = "core.urls"
+
+TEMPLATES = [
+    {
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        "DIRS": [],
+        "APP_DIRS": True,
+        "OPTIONS": {
+            "context_processors": [
+                "django.template.context_processors.debug",
+                "django.template.context_processors.request",
+                "django.contrib.auth.context_processors.auth",
+                "django.contrib.messages.context_processors.messages",
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = "core.wsgi.application"
+
+
+# Database
+# https://docs.djangoproject.com/en/5.1/ref/settings/#databases
+
+DATABASES = {
+    "default": {
+        "ENGINE": "django.db.backends.sqlite3",
+        "NAME": BASE_DIR / "db.sqlite3",
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/5.1/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        "NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.CommonPasswordValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.NumericPasswordValidator",
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/5.1/topics/i18n/
+
+LANGUAGE_CODE = "en-us"
+
+TIME_ZONE = "UTC"
+
+USE_I18N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/5.1/howto/static-files/
+
+STATIC_URL = "static/"
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/5.1/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"

core/urls.py

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+"""
+URL configuration for core project.
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/5.1/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+
+from django.contrib import admin
+from django.urls import path, include
+
+urlpatterns = [
+    path("admin/", admin.site.urls),
+    path("api/cinema/", include("cinema.urls", namespace="cinema")),
+]

core/wsgi.py

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+"""
+WSGI config for core project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.1/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "core.settings")
+
+application = get_wsgi_application()

manage.py

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+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "core.settings")
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == "__main__":
+    main()

requirements.txt

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+asgiref==3.8.1
+Django==5.1.4
+django-rest-framework==0.1.0
+djangorestframework==3.15.2
+sqlparse==0.5.2