Function _normalize_header_key

httpx/_models.py:67–71

Coerce str/bytes into a strictly byte-wise HTTP header key.

(key: str | bytes, encoding: str | None = None)

def _normalize_header_key(key: str | bytes, encoding: str | None = None) -> bytes:
    """
    Coerce str/bytes into a strictly byte-wise HTTP header key.
    """
    return key if isinstance(key, bytes) else key.encode(encoding or "ascii")


def _normalize_header_value(value: str | bytes, encoding: str | None = None) -> bytes: