Method _build_http_scope

gunicorn/asgi/protocol.py:1125–1168

Build ASGI HTTP scope from parsed request.

(self, request, sockname, peername)

        return self.worker.alive and self.cfg.keepalive

    def _build_http_scope(self, request, sockname, peername):
        """Build ASGI HTTP scope from parsed request."""
        # Use pre-computed bytes headers if available (fast path)
        # Fall back to conversion for HTTP/2 requests
        headers_bytes = getattr(request, 'headers_bytes', None)
        if isinstance(headers_bytes, list):
            headers = list(headers_bytes)  # Copy to avoid mutation
        else:
            headers = []
            for name, value in request.headers:
                headers.append((name.lower().encode("latin-1"), value.encode("latin-1")))

        server = _normalize_sockaddr(sockname)
        client = _normalize_sockaddr(peername)

        scope = {
            "type": "http",
            "asgi": {"version": "3.0", "spec_version": "2.4"},
            "http_version": f"{request.version[0]}.{request.version[1]}",
            "method": request.method,
            "scheme": request.scheme,
            "path": request.path,
            "raw_path": request.raw_path if request.raw_path else b"",
            "query_string": request.query.encode("latin-1") if request.query else b"",
            "root_path": self.cfg.root_path or "",
            "headers": headers,
            "server": server,
            "client": client,
        }

        # Add state dict for lifespan sharing
        if hasattr(self.worker, 'state'):
            scope["state"] = self.worker.state

        # Add HTTP/2 priority extension if available
        if hasattr(request, 'priority_weight'):
            scope["extensions"] = {
                "http.response.priority": {
                    "weight": request.priority_weight,
                    "depends_on": request.priority_depends_on,
                }
            }

        return scope

    def _build_environ(self, request, sockname, peername):
        """Build minimal WSGI-like environ dict for access logging."""