Function split_pseudo_headers

mitmproxy/proxy/layers/http/_http2.py:640–657

(
    h2_headers: Sequence[tuple[bytes, bytes]],
)

def split_pseudo_headers(
    h2_headers: Sequence[tuple[bytes, bytes]],
) -> tuple[dict[bytes, bytes], http.Headers]:
    pseudo_headers: dict[bytes, bytes] = {}
    i = 0
    for header, value in h2_headers:
        if header.startswith(b":"):
            if header in pseudo_headers:
                raise ValueError(f"Duplicate HTTP/2 pseudo header: {header!r}")
            pseudo_headers[header] = value
            i += 1
        else:
            # Pseudo-headers must be at the start, we are done here.
            break

    headers = http.Headers(h2_headers[i:])

    return pseudo_headers, headers


def parse_h2_request_headers(