fix: Update max-line-length in .flake8 and refactor routing and server code for improved readability and functionality
This commit is contained in:
Илья Глазунов
+64
-47
@@ -4,8 +4,8 @@ import time
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from starlette.applications import Starlette
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from starlette.requests import Request
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from starlette.responses import Response, PlainTextResponse
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from starlette.middleware.base import BaseHTTPMiddleware
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from starlette.routing import Route
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from starlette.types import ASGIApp, Receive, Scope, Send
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from pathlib import Path
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from typing import Optional, Dict, Any
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@@ -17,22 +17,28 @@ from . import __version__
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logger = get_logger(__name__)
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class PyServeMiddleware(BaseHTTPMiddleware):
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def __init__(self, app, extension_manager: ExtensionManager):
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super().__init__(app)
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class PyServeMiddleware:
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def __init__(self, app: ASGIApp, extension_manager: ExtensionManager):
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self.app = app
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self.extension_manager = extension_manager
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self.access_logger = get_logger('pyserve.access')
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async def dispatch(self, request: Request, call_next):
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async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None:
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if scope["type"] != "http":
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await self.app(scope, receive, send)
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return
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start_time = time.time()
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request = Request(scope, receive)
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response = await self.extension_manager.process_request(request)
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if response is None:
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response = await call_next(request)
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await self.app(scope, receive, send)
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return
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response = await self.extension_manager.process_response(request, response)
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response.headers["Server"] = f"pyserve/{__version__}"
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client_ip = request.client.host if request.client else "unknown"
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method = request.method
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path = str(request.url.path)
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@@ -41,13 +47,13 @@ class PyServeMiddleware(BaseHTTPMiddleware):
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path += f"?{query}"
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status_code = response.status_code
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process_time = round((time.time() - start_time) * 1000, 2)
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self.access_logger.info(f"{client_ip} - {method} {path} - {status_code} - {process_time}ms")
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return response
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await response(scope, receive, send)
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class PyServeServer:
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class PyServeServer:
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def __init__(self, config: Config):
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self.config = config
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self.extension_manager = ExtensionManager()
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@@ -55,34 +61,45 @@ class PyServeServer:
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self._setup_logging()
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self._load_extensions()
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self._create_app()
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def _setup_logging(self) -> None:
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self.config.setup_logging()
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logger.info("PyServe сервер инициализирован")
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logger.info("PyServe server initialized")
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def _load_extensions(self) -> None:
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for ext_config in self.config.extensions:
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self.extension_manager.load_extension(
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ext_config.type,
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ext_config.type,
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ext_config.config
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)
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def _create_app(self) -> None:
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routes = [
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Route("/health", self._health_check, methods=["GET"]),
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Route("/metrics", self._metrics, methods=["GET"]),
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Route("/{path:path}", self._catch_all, methods=["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS"]),
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Route(
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"/{path:path}",
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self._catch_all,
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methods=[
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"GET",
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"POST",
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"PUT",
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"DELETE",
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"PATCH",
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"OPTIONS"
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]
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),
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]
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self.app = Starlette(routes=routes)
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self.app.add_middleware(PyServeMiddleware, extension_manager=self.extension_manager)
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async def _health_check(self, request: Request) -> Response:
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return PlainTextResponse("OK", status_code=200)
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async def _metrics(self, request: Request) -> Response:
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metrics = {}
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for extension in self.extension_manager.extensions:
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if hasattr(extension, 'get_metrics'):
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try:
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@@ -96,22 +113,22 @@ class PyServeServer:
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json.dumps(metrics, ensure_ascii=False, indent=2),
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media_type="application/json"
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)
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async def _catch_all(self, request: Request) -> Response:
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return PlainTextResponse("404 Not Found", status_code=404)
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def _create_ssl_context(self) -> Optional[ssl.SSLContext]:
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if not self.config.ssl.enabled:
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return None
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if not Path(self.config.ssl.cert_file).exists():
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logger.error(f"SSL certificate not found: {self.config.ssl.cert_file}")
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return None
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if not Path(self.config.ssl.key_file).exists():
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logger.error(f"SSL key not found: {self.config.ssl.key_file}")
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return None
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try:
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context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
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context.load_cert_chain(
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@@ -123,17 +140,16 @@ class PyServeServer:
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except Exception as e:
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logger.error(f"Error creating SSL context: {e}")
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return None
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def run(self) -> None:
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if not self.config.validate():
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logger.error("Configuration is invalid, server cannot be started")
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return
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self._ensure_directories()
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ssl_context = self._create_ssl_context()
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uvicorn_config = {
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"app": self.app,
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uvicorn_config: Dict[str, Any] = {
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"host": self.config.server.host,
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"port": self.config.server.port,
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"log_level": "critical",
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@@ -141,7 +157,7 @@ class PyServeServer:
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"use_colors": False,
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"server_header": False,
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}
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if ssl_context:
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uvicorn_config.update({
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"ssl_keyfile": self.config.ssl.key_file,
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@@ -154,21 +170,22 @@ class PyServeServer:
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logger.info(f"Starting PyServe server at {protocol}://{self.config.server.host}:{self.config.server.port}")
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try:
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uvicorn.run(**uvicorn_config)
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assert self.app is not None, "App not initialized"
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uvicorn.run(self.app, **uvicorn_config)
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except KeyboardInterrupt:
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logger.info("Received shutdown signal")
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except Exception as e:
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logger.error(f"Error starting server: {e}")
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finally:
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self.shutdown()
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async def run_async(self) -> None:
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if not self.config.validate():
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logger.error("Configuration is invalid, server cannot be started")
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return
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self._ensure_directories()
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config = uvicorn.Config(
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app=self.app, # type: ignore
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host=self.config.server.host,
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@@ -177,24 +194,24 @@ class PyServeServer:
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access_log=False,
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use_colors=False,
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)
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server = uvicorn.Server(config)
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try:
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await server.serve()
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finally:
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self.shutdown()
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def _ensure_directories(self) -> None:
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directories = [
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self.config.http.static_dir,
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self.config.http.templates_dir,
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]
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log_dir = Path(self.config.logging.log_file).parent
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if log_dir != Path("."):
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directories.append(str(log_dir))
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for directory in directories:
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Path(directory).mkdir(parents=True, exist_ok=True)
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logger.debug(f"Created/checked directory: {directory}")
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@@ -202,7 +219,7 @@ class PyServeServer:
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def shutdown(self) -> None:
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logger.info("Shutting down PyServe server")
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self.extension_manager.cleanup()
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from .logging_utils import shutdown_logging
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shutdown_logging()
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@@ -210,10 +227,10 @@ class PyServeServer:
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def add_extension(self, extension_type: str, config: Dict[str, Any]) -> None:
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self.extension_manager.load_extension(extension_type, config)
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def get_metrics(self) -> Dict[str, Any]:
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metrics = {"server_status": "running"}
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for extension in self.extension_manager.extensions:
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if hasattr(extension, 'get_metrics'):
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try:
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