前提
Djangoで日記アプリを作成しています。
マイグレーションを試みたところエラーになりました。
実現したいこと
マイグレーションの実施
エラーメッセージ
form_class = DiaryForm NameError: name 'DiaryForm' is not defined
該当のソースコード
views.py
1from django.views.generic import TemplateView 2from django.views.generic import CreateView 3from django.urls import reverse_lazy 4from .forms import DiaryForm 5 6class IndexView(TemplateView): 7 template_name = 'index.html' 8 9class DiaryCreateView(CreateView): 10 template_name = 'diary_create.html' 11 form_class = 'DiaryForm' 12 success_url = reverse_lazy('diary:diary_create_complete') 13 14class DiaryCreateCompleteView(TemplateView): 15 template_name = 'diary_create_complete.html'
forms.py
1from django import forms 2from .models import Diary 3 4class DiaryForm(forms.ModelForm): 5 class Meta: 6 model = Diary 7 fields = ('date', 'title', 'text',)
models.py
1from django.db import models 2from django.utils import timezone 3import uuid 4 5class Diary(models.Model): 6 7 class Meta: 8 abstract = True 9 app_label = 'diary' 10 11 id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False) 12 date = models.DateField(verbose_name='日付', default=timezone.now) 13 title = models.CharField(verbose_name='タイトル', max_length=40) 14 text = models.CharField(verbose_name='本文', max_length=200) 15 created_at = models.DateTimeField(verbose_name='作成日時', default=timezone.now) 16 updated_at = models.DateTimeField(verbose_name='編集日時', blank=True, null=True)
settings.py
1""" 2Django settings for config project. 3 4Generated by 'django-admin startproject' using Django 4.0.6. 5 6For more information on this file, see 7https://docs.djangoproject.com/en/4.0/topics/settings/ 8 9For the full list of settings and their values, see 10https://docs.djangoproject.com/en/4.0/ref/settings/ 11""" 12 13import os 14from pathlib import Path 15 16# Build paths inside the project like this: BASE_DIR / 'subdir'. 17BASE_DIR = Path(__file__).resolve().parent.parent 18 19 20# Quick-start development settings - unsuitable for production 21# See https://docs.djangoproject.com/en/4.0/howto/deployment/checklist/ 22 23# SECURITY WARNING: keep the secret key used in production secret! 24SECRET_KEY = 'django-insecure-#0ud%e$1#w9*4g=a#x3nwe=0y+afe^@_1*u=%b!8szxaq%#7ig' 25 26# SECURITY WARNING: don't run with debug turned on in production! 27DEBUG = True 28 29ALLOWED_HOSTS = [] 30 31 32# Application definition 33 34INSTALLED_APPS = [ 35 'django.contrib.admin', 36 'django.contrib.auth', 37 'django.contrib.contenttypes', 38 'django.contrib.sessions', 39 'django.contrib.messages', 40 'django.contrib.staticfiles', 41] 42 43MIDDLEWARE = [ 44 'django.middleware.security.SecurityMiddleware', 45 'django.contrib.sessions.middleware.SessionMiddleware', 46 'django.middleware.common.CommonMiddleware', 47 'django.middleware.csrf.CsrfViewMiddleware', 48 'django.contrib.auth.middleware.AuthenticationMiddleware', 49 'django.contrib.messages.middleware.MessageMiddleware', 50 'django.middleware.clickjacking.XFrameOptionsMiddleware', 51] 52 53ROOT_URLCONF = 'config.urls' 54 55TEMPLATES = [ 56 { 57 'BACKEND': 'django.template.backends.django.DjangoTemplates', 58 'DIRS': [os.path.join(BASE_DIR, 'templates'),], 59 'APP_DIRS': True, 60 'OPTIONS': { 61 'context_processors': [ 62 'django.template.context_processors.debug', 63 'django.template.context_processors.request', 64 'django.contrib.auth.context_processors.auth', 65 'django.contrib.messages.context_processors.messages', 66 ], 67 }, 68 }, 69] 70 71WSGI_APPLICATION = 'config.wsgi.application' 72 73 74# Database 75# https://docs.djangoproject.com/en/4.0/ref/settings/#databases 76 77DATABASES = { 78 'default': { 79 'ENGINE': 'django.db.backends.sqlite3', 80 'NAME': BASE_DIR / 'db.sqlite3', 81 } 82} 83 84 85# Password validation 86# https://docs.djangoproject.com/en/4.0/ref/settings/#auth-password-validators 87 88AUTH_PASSWORD_VALIDATORS = [ 89 { 90 'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator', 91 }, 92 { 93 'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator', 94 }, 95 { 96 'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator', 97 }, 98 { 99 'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator', 100 }, 101] 102 103 104# Internationalization 105# https://docs.djangoproject.com/en/4.0/topics/i18n/ 106 107LANGUAGE_CODE = 'ja-jp' 108 109TIME_ZONE = 'Asia/Tokyo' 110 111USE_I18N = True 112 113USE_TZ = True 114 115 116# Static files (CSS, JavaScript, Images) 117# https://docs.djangoproject.com/en/4.0/howto/static-files/ 118 119STATIC_URL = 'static/' 120 121# Default primary key field type 122# https://docs.djangoproject.com/en/4.0/ref/settings/#default-auto-field 123 124DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField' 125
試したこと1
Python
1form_class = DiaryForm 2success_url = reverse_lazy('diary:diary_create_complete')
を削除してみたところ
No changes detected
と出ました。
試したこと2
下記のようにシングルクォーテーションをつけたところ
Python
1class DiaryCreateView(CreateView): 2 template_name = 'diary_create.html' 3 form_class = 'DiaryForm' 4 success_url = 'reverse_lazy'('diary:diary_create_complete')
エラーメッセージが変わりました。
success_url = 'reverse_lazy'('diary:diary_create_complete') TypeError: 'str' object is not callable
試したこと3
models.pyに下記コードを追加しました。
class Meta: abstract = True app_label = 'diary'
エラーメッセージが下記に変わりました。
No changes detected

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