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mythmonmythmon
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‎.gitignore

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db.sqlite3
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.venv/
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*.pyc

‎README.md

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# Framework Embedded Analytics in Django

‎charts/__init__.py

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‎charts/admin.py

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

‎charts/apps.py

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from django.apps import AppConfig
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class ChartsConfig(AppConfig):
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default_auto_field = 'django.db.models.BigAutoField'
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name = 'charts'

‎charts/migrations/__init__.py

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‎charts/models.py

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

‎charts/templates/charts/index.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Demo Charts</title>
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<!-- <link rel="stylesheet" href="styles.css"> -->
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</head>
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<body>
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<h1>Demo chart</h1>
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<div id="medals-chart"></div>
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<code>{{ medal_chart_url }}</code>
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<script type="module">
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const {MedalsChart} = await import("{{ medal_chart_url }}");
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const target = document.querySelector("#medals-chart");
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target.append(await MedalsChart());
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</script>
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</body>
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</html>

‎charts/tests.py

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

‎charts/urls.py

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from django.urls import path
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from . import views
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urlpatterns = [
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path("", views.index, name="index"),
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]

‎charts/views.py

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from urllib.parse import urlparse
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import datetime
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import jwt
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from django.shortcuts import render
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from django.conf import settings
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def index(request):
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signed_url = sign_embedded_chart_url("https://observablehq.observablehq.cloud/olympian-embeds/medals-chart.js")
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context = {
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'medal_chart_url': signed_url,
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}
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return render(request, "charts/index.html", context)
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def sign_embedded_chart_url(url):
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parsed_url = urlparse(url)
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payload_data = {
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'sub': 'mythmon',
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'urn:observablehq:path': parsed_url.path,
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'iat': int(datetime.datetime.now().timestamp()),
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'nbf': int(datetime.datetime.now().timestamp()),
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'exp': int((datetime.datetime.now() + datetime.timedelta(minutes=15)).timestamp()),
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}
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token = jwt.encode(payload_data, settings.EMBED_PRIVATE_KEY, algorithm='EdDSA')
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return f"{url}?token={token}"

‎demo/__init__.py

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‎demo/asgi.py

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

‎demo/settings.py

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import os
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from pathlib import Path
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# Build paths inside the project like this: BASE_DIR / 'subdir'.
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BASE_DIR = Path(__file__).resolve().parent.parent
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# Quick-start development settings - unsuitable for production
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# See https://docs.djangoproject.com/en/5.1/howto/deployment/checklist/
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# SECURITY WARNING: keep the secret key used in production secret!
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SECRET_KEY = 'django-insecure-=_0kx2ng=-oli85@n@ld4_)9-1u-)05sydru53wn%_*oah=@_l'
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# SECURITY WARNING: don't run with debug turned on in production!
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DEBUG = True
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ALLOWED_HOSTS = []
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# Application definition
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INSTALLED_APPS = [
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'django.contrib.admin',
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'django.contrib.auth',
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'django.contrib.contenttypes',
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'django.contrib.sessions',
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'django.contrib.messages',
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'django.contrib.staticfiles',
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'charts',
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]
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MIDDLEWARE = [
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'django.middleware.security.SecurityMiddleware',
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'django.contrib.sessions.middleware.SessionMiddleware',
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'django.middleware.common.CommonMiddleware',
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'django.middleware.csrf.CsrfViewMiddleware',
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'django.contrib.auth.middleware.AuthenticationMiddleware',
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'django.contrib.messages.middleware.MessageMiddleware',
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'django.middleware.clickjacking.XFrameOptionsMiddleware',
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]
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ROOT_URLCONF = 'demo.urls'
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TEMPLATES = [
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{
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'BACKEND': 'django.template.backends.django.DjangoTemplates',
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'DIRS': [],
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'APP_DIRS': True,
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'OPTIONS': {
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'context_processors': [
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'django.template.context_processors.debug',
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'django.template.context_processors.request',
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'django.contrib.auth.context_processors.auth',
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'django.contrib.messages.context_processors.messages',
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],
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},
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},
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]
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WSGI_APPLICATION = 'demo.wsgi.application'
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# Database
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# https://docs.djangoproject.com/en/5.1/ref/settings/#databases
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DATABASES = {
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'default': {
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'ENGINE': 'django.db.backends.sqlite3',
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'NAME': BASE_DIR / 'db.sqlite3',
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}
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}
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# Password validation
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# https://docs.djangoproject.com/en/5.1/ref/settings/#auth-password-validators
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AUTH_PASSWORD_VALIDATORS = [
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{
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'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
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},
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]
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# Internationalization
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# https://docs.djangoproject.com/en/5.1/topics/i18n/
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LANGUAGE_CODE = 'en-us'
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TIME_ZONE = 'UTC'
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USE_I18N = True
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USE_TZ = True
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# Static files (CSS, JavaScript, Images)
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# https://docs.djangoproject.com/en/5.1/howto/static-files/
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STATIC_URL = 'static/'
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# Default primary key field type
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# https://docs.djangoproject.com/en/5.1/ref/settings/#default-auto-field
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DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
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EMBED_PRIVATE_KEY = os.environ['EMBED_PRIVATE_KEY']

‎demo/urls.py

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

‎demo/wsgi.py

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

‎manage.py

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

‎requirements.txt

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asgiref==3.8.1
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cffi==1.17.1
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cryptography==43.0.3
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Django==5.1.2
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pycparser==2.22
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PyJWT==2.9.0
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sqlparse==0.5.1

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