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import os
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import warnings
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from apiflask import APIFlask
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from iti.applications.common.utils.schema import custom_schema_name_resolver
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from iti.applications.service import init_services
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from .extensions import init_exts
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from .routes import init_routes
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from ..config import get_config
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from .events import init_event_handlers
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def create_app(config_name=None):
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"""
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应用工厂函数
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Args:
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config_name: 配置名称 ('dev', 'test', 'prod')
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如果为 None，则从环境变量 FLASK_ENV 读取
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Returns:
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Flask 应用实例
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docs_ui: The UI of API documentation, one of `swagger-ui` (default), `redoc`,
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`elements`, `rapidoc`, and `rapipdf`.
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"""
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# 忽略 apispec 的 schema 名称冲突警告
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warnings.filterwarnings(
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"ignore",
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message="Multiple schemas resolved to the name",
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category=UserWarning,
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module="apispec.ext.marshmallow.openapi",
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)
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app = APIFlask(
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__name__.split(".")[0],
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title="iTi-Flask",
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version="1.0.0",
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json_errors=True,
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docs_ui="elements",
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)
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# 加载配置
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config_obj = get_config(config_name)
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app.config.from_object(config_obj)
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# 配置自定义 schema 名称解析器
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# 参考：https://zh.apiflask.com/schema/#%E6%A8%A1%E5%BC%8F%E5%90%8D%E7%A7%B0%E8%A7%A3%E6%9E%90%E5%99%A8
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# 用于解决循环引用和嵌套 schema 导致的命名冲突警告
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app.schema_name_resolver = custom_schema_name_resolver
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# 确保必要的目录存在
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_ensure_directories(app)
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# 使用第三方JWT，自定义Security，避免doc无法传递header
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# 等同于 SECURITY_SCHEMES 配置
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app.security_schemes = {
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"JWT": {
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"type": "apiKey",
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"in": "header",
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"name": "Authorization",
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}
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}
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# 保护doc文档（鉴权后才可访问）
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# app.config['SPEC_DECORATORS'] = [jwt_required()]
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# app.config['DOCS_DECORATORS'] = [jwt_required()]
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# 初始化扩展
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init_exts(app)
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# 初始化事件处理器
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init_event_handlers(app)
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# 初始化路由
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init_routes(app)
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# 初始化Services
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init_services(app)
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# 打印当前环境信息
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env = config_name or os.getenv("FLASK_ENV", "dev")
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print(f"🚀 应用启动 - 环境: {env}")
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print(f"📊 数据库: {app.config.get('SQLALCHEMY_DATABASE_URI')}")
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return app
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def _ensure_directories(app):
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"""确保必要的目录存在"""
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# 数据库目录（SQLite）
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db_uri = app.config.get("SQLALCHEMY_DATABASE_URI", "")
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if "sqlite:///" in db_uri and not db_uri.endswith(":memory:"):
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db_path = db_uri.replace("sqlite:///", "")
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db_dir = os.path.dirname(db_path)
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if db_dir and not os.path.exists(db_dir):
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os.makedirs(db_dir, exist_ok=True)
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file_storage_config = app.config.get("FILE_STORAGE", {})
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local_config = file_storage_config.get("LOCAL", {})
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local_path = local_config.get("base_path")
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if local_path:
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os.makedirs(local_path, exist_ok=True)
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