Updated script that can be controled by Nodejs web app

lib/python3.13/site-packages/dns/quic/__init__.py

@@ -0,0 +1,80 @@
+# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
+
+from typing import List, Tuple
+
+import dns._features
+import dns.asyncbackend
+
+if dns._features.have("doq"):
+    import aioquic.quic.configuration  # type: ignore
+
+    from dns._asyncbackend import NullContext
+    from dns.quic._asyncio import (
+        AsyncioQuicConnection,
+        AsyncioQuicManager,
+        AsyncioQuicStream,
+    )
+    from dns.quic._common import AsyncQuicConnection, AsyncQuicManager
+    from dns.quic._sync import SyncQuicConnection, SyncQuicManager, SyncQuicStream
+
+    have_quic = True
+
+    def null_factory(
+        *args,  # pylint: disable=unused-argument
+        **kwargs,  # pylint: disable=unused-argument
+    ):
+        return NullContext(None)
+
+    def _asyncio_manager_factory(
+        context, *args, **kwargs  # pylint: disable=unused-argument
+    ):
+        return AsyncioQuicManager(*args, **kwargs)
+
+    # We have a context factory and a manager factory as for trio we need to have
+    # a nursery.
+
+    _async_factories = {"asyncio": (null_factory, _asyncio_manager_factory)}
+
+    if dns._features.have("trio"):
+        import trio
+
+        from dns.quic._trio import (  # pylint: disable=ungrouped-imports
+            TrioQuicConnection,
+            TrioQuicManager,
+            TrioQuicStream,
+        )
+
+        def _trio_context_factory():
+            return trio.open_nursery()
+
+        def _trio_manager_factory(context, *args, **kwargs):
+            return TrioQuicManager(context, *args, **kwargs)
+
+        _async_factories["trio"] = (_trio_context_factory, _trio_manager_factory)
+
+    def factories_for_backend(backend=None):
+        if backend is None:
+            backend = dns.asyncbackend.get_default_backend()
+        return _async_factories[backend.name()]
+
+else:  # pragma: no cover
+    have_quic = False
+
+    from typing import Any
+
+    class AsyncQuicStream:  # type: ignore
+        pass
+
+    class AsyncQuicConnection:  # type: ignore
+        async def make_stream(self) -> Any:
+            raise NotImplementedError
+
+    class SyncQuicStream:  # type: ignore
+        pass
+
+    class SyncQuicConnection:  # type: ignore
+        def make_stream(self) -> Any:
+            raise NotImplementedError
+
+
+Headers = List[Tuple[bytes, bytes]]