pratice 6

Pipfile

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+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+django = "==4.1"
+
+[dev-packages]
+
+[requires]
+python_version = "3.8"

toh/hero/admin.py

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+from django.contrib import admin
+
+# Register your models here.

toh/hero/apps.py

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+from django.apps import AppConfig
+
+
+class HeroConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'hero'

toh/hero/migrations/0001_initial.py

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+# Generated by Django 4.1.2 on 2022-10-10 15:37
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Hero',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=120)),
+            ],
+        ),
+    ]

toh/hero/migrations/0002_hero_age.py

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+# Generated by Django 4.1.2 on 2022-10-10 18:06
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('hero', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='hero',
+            name='age',
+            field=models.IntegerField(blank=True, null=True),
+        ),
+    ]

toh/hero/migrations/0003_team.py

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+# Generated by Django 4.1.2 on 2022-10-10 18:25
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('hero', '0002_hero_age'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Team',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=120)),
+                ('leader', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='leader_set', to='hero.hero')),
+                ('members', models.ManyToManyField(related_name='teams', to='hero.hero')),
+            ],
+        ),
+    ]

toh/hero/migrations/0004_hero_score.py

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+# Generated by Django 4.1.2 on 2022-10-10 18:35
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('hero', '0003_team'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='hero',
+            name='score',
+            field=models.IntegerField(default=0),
+        ),
+    ]

toh/hero/models.py

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+from django.db import models
+
+class Hero(models.Model):
+    name = models.CharField(max_length=120)
+    age = models.IntegerField(blank=True, null=True)
+    score = models.IntegerField(default=0)
+
+    def __str__(self):
+        return self.name
+
+    def introduce(self):
+        print(f'Hello, my name is {self.name} and my score is {self.score}')
+
+class Team(models.Model):
+    name = models.CharField(max_length=120)
+    leader = models.ForeignKey(
+        Hero,
+        on_delete=models.CASCADE,
+        related_name='leader_set',
+    )
+    members = models.ManyToManyField(
+        Hero,
+        related_name='teams',
+    )
+
+    def __str__(self):
+        return self.name

toh/hero/tests.py

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

toh/hero/urls.py

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+from django.urls import path
+from . import views
+
+urlpatterns = [
+    path('', views.hero_list),
+    path('<int:id>/', views.id, name='hero_id'),
+    path('<str:name>/', views.name, name='hero_name'),
+    path('info/<int:id>/', views.hero_info, name='hero_info'),
+]

toh/hero/views.py

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+from django.http import HttpResponse, HttpResponseBadRequest, HttpResponseNotAllowed, JsonResponse
+from django.views.decorators.csrf import csrf_exempt
+import json
+from json.decoder import JSONDecodeError
+from .models import Hero
+
+# def index(request):
+#     return HttpResponse('Hello, world!')
+
+def id(request, id):
+    return HttpResponse(f'Your id is {id}!')
+
+def name(request, name):
+    return HttpResponse(f'Your name is {name}!')
+
+@csrf_exempt
+def hero_list(request):
+    if request.method == 'GET':
+        hero_all_list = [hero for hero in Hero.objects.all().values()]
+        return JsonResponse(hero_all_list, safe=False)
+    elif request.method == 'POST':
+        try:
+            body = request.body.decode()
+            hero_name = json.loads(body)['name']
+        except (KeyError, JSONDecodeError) as e:
+            return HttpResponseBadRequest()
+        hero = Hero(name=hero_name)
+        hero.save()
+        response_dict = {'id': hero.id, 'name': hero.name}
+        return JsonResponse(response_dict, status=201)
+    else:
+        return HttpResponseNotAllowed(['GET', 'POST'])
+
+@csrf_exempt
+def hero_info(request, id):
+    if request.method == 'GET':
+        hero = Hero.objects.get(id=id)
+        return JsonResponse({"id": hero.id, "name": hero.name, "age": hero.age})
+    elif request.method == 'PUT':
+        try:
+            body = request.body.decode()
+            hero_name = json.loads(body)['name']
+            hero_age = json.loads(body)['age']
+        except (KeyError, JSONDecodeError) as e:
+            return HttpResponseBadRequest()
+        hero = Hero.objects.get(id=id)
+        hero.name = hero_name
+        hero.age = hero_age
+        hero.save()
+        response_dict = {"id": hero.id, "name": hero.name, "age": hero.age}
+        return JsonResponse(response_dict, status=200)
+    else:
+        return HttpResponseNotAllowed(['GET', 'PUT'])

toh/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', 'toh.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()

toh/toh/asgi.py

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+"""
+ASGI config for toh 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/4.1/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'toh.settings')
+
+application = get_asgi_application()