Djangoプロジェクトの初期設定を追加。環境変数に基づく設定をsettings.pyに実装し、ASGIおよびWSGI設定ファイルを作成。expensesアプリを追加し、基本的なURLルーティングとテンプレートを整備。作業ログをdiary.mdに追記。

expenses/admin.py

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

expenses/apps.py

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

expenses/models.py

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+from django.db import models
+
+# Create your models here.

expenses/tests.py

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

expenses/urls.py

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+from django.urls import path
+
+from . import views
+
+
+urlpatterns = [
+    path('', views.csv_upload, name='csv_upload'),
+    path('expenses/', views.expense_list, name='expense_list'),
+    path('reports/monthly/', views.monthly_report, name='monthly_report'),
+    path('reports/monthly/pdf/', views.monthly_report_pdf, name='monthly_report_pdf'),
+]

expenses/views.py

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+from django.shortcuts import render
+
+
+def csv_upload(request):
+    return render(request, 'expenses/csv_upload.html')
+
+
+def expense_list(request):
+    return render(request, 'expenses/expense_list.html')
+
+
+def monthly_report(request):
+    return render(request, 'expenses/monthly_report.html')
+
+
+def monthly_report_pdf(request):
+    return render(request, 'expenses/monthly_report_pdf.html')