Initial commit

venv/Lib/site-packages/uvicorn/workers.py

@@ -0,0 +1,105 @@
+import asyncio
+import logging
+import signal
+import sys
+from typing import Any, Dict
+
+from gunicorn.arbiter import Arbiter
+from gunicorn.workers.base import Worker
+
+from uvicorn.config import Config
+from uvicorn.main import Server
+
+
+class UvicornWorker(Worker):
+    """
+    A worker class for Gunicorn that interfaces with an ASGI consumer callable,
+    rather than a WSGI callable.
+    """
+
+    CONFIG_KWARGS: Dict[str, Any] = {"loop": "auto", "http": "auto"}
+
+    def __init__(self, *args: Any, **kwargs: Any) -> None:
+        super(UvicornWorker, self).__init__(*args, **kwargs)
+
+        logger = logging.getLogger("uvicorn.error")
+        logger.handlers = self.log.error_log.handlers
+        logger.setLevel(self.log.error_log.level)
+        logger.propagate = False
+
+        logger = logging.getLogger("uvicorn.access")
+        logger.handlers = self.log.access_log.handlers
+        logger.setLevel(self.log.access_log.level)
+        logger.propagate = False
+
+        config_kwargs: dict = {
+            "app": None,
+            "log_config": None,
+            "timeout_keep_alive": self.cfg.keepalive,
+            "timeout_notify": self.timeout,
+            "callback_notify": self.callback_notify,
+            "limit_max_requests": self.max_requests,
+            "forwarded_allow_ips": self.cfg.forwarded_allow_ips,
+        }
+
+        if self.cfg.is_ssl:
+            ssl_kwargs = {
+                "ssl_keyfile": self.cfg.ssl_options.get("keyfile"),
+                "ssl_certfile": self.cfg.ssl_options.get("certfile"),
+                "ssl_keyfile_password": self.cfg.ssl_options.get("password"),
+                "ssl_version": self.cfg.ssl_options.get("ssl_version"),
+                "ssl_cert_reqs": self.cfg.ssl_options.get("cert_reqs"),
+                "ssl_ca_certs": self.cfg.ssl_options.get("ca_certs"),
+                "ssl_ciphers": self.cfg.ssl_options.get("ciphers"),
+            }
+            config_kwargs.update(ssl_kwargs)
+
+        if self.cfg.settings["backlog"].value:
+            config_kwargs["backlog"] = self.cfg.settings["backlog"].value
+
+        config_kwargs.update(self.CONFIG_KWARGS)
+
+        self.config = Config(**config_kwargs)
+
+    def init_process(self) -> None:
+        self.config.setup_event_loop()
+        super(UvicornWorker, self).init_process()
+
+    def init_signals(self) -> None:
+        # Reset signals so Gunicorn doesn't swallow subprocess return codes
+        # other signals are set up by Server.install_signal_handlers()
+        # See: https://github.com/encode/uvicorn/issues/894
+        for s in self.SIGNALS:
+            signal.signal(s, signal.SIG_DFL)
+
+        signal.signal(signal.SIGUSR1, self.handle_usr1)
+        # Don't let SIGUSR1 disturb active requests by interrupting system calls
+        signal.siginterrupt(signal.SIGUSR1, False)
+
+    def _install_sigquit_handler(self) -> None:
+        """Install a SIGQUIT handler on workers.
+
+        - https://github.com/encode/uvicorn/issues/1116
+        - https://github.com/benoitc/gunicorn/issues/2604
+        """
+
+        loop = asyncio.get_running_loop()
+        loop.add_signal_handler(signal.SIGQUIT, self.handle_exit, signal.SIGQUIT, None)
+
+    async def _serve(self) -> None:
+        self.config.app = self.wsgi
+        server = Server(config=self.config)
+        self._install_sigquit_handler()
+        await server.serve(sockets=self.sockets)
+        if not server.started:
+            sys.exit(Arbiter.WORKER_BOOT_ERROR)
+
+    def run(self) -> None:
+        return asyncio.run(self._serve())
+
+    async def callback_notify(self) -> None:
+        self.notify()
+
+
+class UvicornH11Worker(UvicornWorker):
+    CONFIG_KWARGS = {"loop": "asyncio", "http": "h11"}