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- Celery 异步任务：任务提交后后端持续轮询火山 API 直到拿到终态，用户关浏览器也不会丢视频 - 渐进式轮询：前2分钟每5秒、2-10分钟每15秒、10分钟后每30秒 - 优雅降级：无 Redis 时静默跳过，不影响现有前端轮询 - K8s：新增 Redis Deployment + Service、Celery Worker Deployment - CI/CD：deploy.yaml 自动部署 Redis/Celery，每次推代码自动重启 celery worker - 兜底：poll_stuck_tasks management command 清理僵尸任务 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
235 lines
9.2 KiB
Python
235 lines
9.2 KiB
Python
"""Django settings for AirDrama backend."""
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import os
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from pathlib import Path
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from datetime import timedelta
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BASE_DIR = Path(__file__).resolve().parent.parent
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# 自动加载 .env.local（本地开发用，不进 git）
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_env_local = BASE_DIR / '.env.local'
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if _env_local.exists():
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with open(_env_local, encoding='utf-8') as f:
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for line in f:
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line = line.strip()
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if not line or line.startswith('#'):
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continue
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# 去掉 export 前缀
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if line.startswith('export '):
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line = line[7:]
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key, _, value = line.partition('=')
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if key and _ == '=':
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# 去掉引号
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value = value.strip().strip('"').strip("'")
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os.environ.setdefault(key.strip(), value)
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SECRET_KEY = os.environ.get('DJANGO_SECRET_KEY', '')
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if not SECRET_KEY:
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import warnings
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warnings.warn('DJANGO_SECRET_KEY not set — using insecure dev key. Do NOT deploy like this.')
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SECRET_KEY = 'django-insecure-dev-only-do-not-deploy'
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DEBUG = os.environ.get('DJANGO_DEBUG', 'False').lower() in ('true', '1', 'yes')
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ALLOWED_HOSTS = os.environ.get('DJANGO_ALLOWED_HOSTS', 'localhost,127.0.0.1').split(',')
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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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# Third party
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'rest_framework',
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'rest_framework_simplejwt.token_blacklist',
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'corsheaders',
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# Local apps
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'apps.accounts',
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'apps.generation',
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]
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MIDDLEWARE = [
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'utils.log_center.LogCenterMiddleware',
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'django.middleware.security.SecurityMiddleware',
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'django.contrib.sessions.middleware.SessionMiddleware',
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'corsheaders.middleware.CorsMiddleware',
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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 = 'config.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 = 'config.wsgi.application'
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# Database configuration
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# TESTING=true → isolated test_db.sqlite3 (never pollutes dev data)
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# USE_MYSQL=true → Aliyun RDS MySQL (production)
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# Otherwise → SQLite db.sqlite3 (local dev)
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TESTING = os.environ.get('TESTING', 'false').lower() in ('true', '1', 'yes')
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if TESTING:
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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 / 'test_db.sqlite3',
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}
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}
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elif os.environ.get('USE_MYSQL', 'false').lower() in ('true', '1', 'yes'):
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DATABASES = {
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'default': {
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'ENGINE': 'django.db.backends.mysql',
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'NAME': os.environ.get('DB_NAME', 'video_auto'),
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'USER': os.environ.get('DB_USER', 'ai_video'),
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'PASSWORD': os.environ.get('DB_PASSWORD', ''),
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'HOST': os.environ.get('DB_HOST', 'localhost'),
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'PORT': os.environ.get('DB_PORT', '3306'),
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'OPTIONS': {
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'charset': 'utf8mb4',
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'init_command': "SET sql_mode='STRICT_TRANS_TABLES'",
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},
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}
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}
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else:
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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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AUTH_USER_MODEL = 'accounts.User'
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AUTH_PASSWORD_VALIDATORS = [
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{'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator', 'OPTIONS': {'min_length': 8}},
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{'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator'},
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{'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator'},
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]
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# REST Framework
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REST_FRAMEWORK = {
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'DEFAULT_AUTHENTICATION_CLASSES': (
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'apps.accounts.authentication.SessionJWTAuthentication',
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),
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'DEFAULT_PERMISSION_CLASSES': (
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'rest_framework.permissions.IsAuthenticated',
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),
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'DEFAULT_RENDERER_CLASSES': (
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'rest_framework.renderers.JSONRenderer',
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),
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'EXCEPTION_HANDLER': 'utils.log_center.custom_exception_handler',
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'DEFAULT_THROTTLE_CLASSES': [
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'rest_framework.throttling.AnonRateThrottle',
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'rest_framework.throttling.UserRateThrottle',
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],
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'DEFAULT_THROTTLE_RATES': {
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'anon': '30/minute',
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'user': '120/minute',
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'login': '5/minute',
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},
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}
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# JWT settings
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SIMPLE_JWT = {
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'ACCESS_TOKEN_LIFETIME': timedelta(minutes=30),
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'REFRESH_TOKEN_LIFETIME': timedelta(days=1),
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'ROTATE_REFRESH_TOKENS': True,
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'BLACKLIST_AFTER_ROTATION': True,
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'AUTH_HEADER_TYPES': ('Bearer',),
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}
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# CORS
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CORS_ALLOWED_ORIGINS = [
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'http://localhost:5173',
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'http://127.0.0.1:5173',
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'http://localhost:3000',
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]
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_extra_cors = os.environ.get('CORS_ALLOWED_ORIGINS', '')
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if _extra_cors:
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CORS_ALLOWED_ORIGINS += [o.strip() for o in _extra_cors.split(',') if o.strip()]
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CORS_ALLOW_CREDENTIALS = True
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CSRF_TRUSTED_ORIGINS = [o for o in CORS_ALLOWED_ORIGINS if o.startswith('https://')]
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# ──────────────────────────────────────────────
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# Celery (async task queue)
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# ──────────────────────────────────────────────
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CELERY_BROKER_URL = os.environ.get('REDIS_URL', 'redis://localhost:6379/0')
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CELERY_RESULT_BACKEND = CELERY_BROKER_URL
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CELERY_ACCEPT_CONTENT = ['json']
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CELERY_TASK_SERIALIZER = 'json'
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CELERY_RESULT_SERIALIZER = 'json'
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CELERY_TIMEZONE = 'Asia/Shanghai'
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LANGUAGE_CODE = 'zh-hans'
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TIME_ZONE = 'Asia/Shanghai'
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USE_I18N = True
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USE_TZ = True
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STATIC_URL = 'static/'
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STATIC_ROOT = BASE_DIR / 'staticfiles'
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DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
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# ──────────────────────────────────────────────
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# IP Geolocation
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# ──────────────────────────────────────────────
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ALIYUN_IP_GEO_APPCODE = os.environ.get('ALIYUN_IP_GEO_APPCODE', '93a86e9dfc9e4c71bcd44baa4008e662')
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IP2REGION_DB_PATH = BASE_DIR / 'data' / 'ip2region.xdb'
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# ──────────────────────────────────────────────
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# Security headers (production)
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# ──────────────────────────────────────────────
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if not DEBUG:
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SECURE_BROWSER_XSS_FILTER = True
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SECURE_CONTENT_TYPE_NOSNIFF = True
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X_FRAME_OPTIONS = 'DENY'
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SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
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# ──────────────────────────────────────────────
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# TOS (Volcano Engine Object Storage)
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# ──────────────────────────────────────────────
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TOS_ACCESS_KEY = os.environ.get('TOS_ACCESS_KEY', '')
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TOS_SECRET_KEY = os.environ.get('TOS_SECRET_KEY', '')
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TOS_ENDPOINT = os.environ.get('TOS_ENDPOINT', 'https://tos-cn-beijing.volces.com')
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TOS_BUCKET = os.environ.get('TOS_BUCKET', 'airdrama-media')
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TOS_REGION = os.environ.get('TOS_REGION', 'cn-beijing')
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TOS_CDN_DOMAIN = os.environ.get('TOS_CDN_DOMAIN', 'https://airdrama-media.tos-cn-beijing.volces.com')
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# ──────────────────────────────────────────────
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# Seedance API (Volcano Engine ARK)
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# ──────────────────────────────────────────────
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ARK_API_KEY = os.environ.get('ARK_API_KEY', '')
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ARK_BASE_URL = os.environ.get('ARK_BASE_URL', 'https://ark.cn-beijing.volces.com/api/v3')
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# Set to True when Seedance model is activated on ARK platform
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SEEDANCE_ENABLED = os.environ.get('SEEDANCE_ENABLED', 'false').lower() == 'true'
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# Set to True to enable the Assets API (virtual avatar library)
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ASSETS_API_ENABLED = os.environ.get('ASSETS_API_ENABLED', 'false').lower() == 'true'
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# ──────────────────────────────────────────────
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# Aliyun SMS (短信告警)
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# ──────────────────────────────────────────────
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ALIYUN_SMS_ACCESS_KEY = os.environ.get('ALIYUN_SMS_ACCESS_KEY', '')
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ALIYUN_SMS_ACCESS_SECRET = os.environ.get('ALIYUN_SMS_ACCESS_SECRET', '')
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ALIYUN_SMS_SIGN_NAME = os.environ.get('ALIYUN_SMS_SIGN_NAME', '广州气元科技')
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ALIYUN_SMS_TEMPLATE_CODE = os.environ.get('ALIYUN_SMS_TEMPLATE_CODE', 'SMS_503445109')
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