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Fix trailer encoding #57

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Fix trailer encoding #57

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4 changes: 2 additions & 2 deletions sonora/asgi.py
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Original file line number Diff line number Diff line change
Expand Up @@ -210,11 +210,11 @@ async def _do_unary_response(
else:
message_data = b""

trailers = [(b"grpc-status", str(context.code.value[0]).encode())]
trailers = [("grpc-status", str(context.code.value[0]))]

if context.details:
trailers.append(
(b"grpc-message", quote(context.details.encode("utf8")).encode("ascii"))
("grpc-message", quote(context.details))
)

if context._trailing_metadata:
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9 changes: 6 additions & 3 deletions sonora/protocol.py
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Original file line number Diff line number Diff line change
Expand Up @@ -121,11 +121,14 @@ async def unwrap_message_asgi(receive, decoder=None):


def pack_trailers(trailers):
message = []
data = bytearray()
for k, v in trailers:
k = k.lower()
message.append(f"{k}: {v}\r\n".encode("ascii"))
return b"".join(message)
data.extend(k.encode('utf8'))
data.extend(b': ')
data.extend(v.encode('utf8'))
data.extend(b'\r\n')
return bytes(data)


def unpack_trailers(message):
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2 changes: 1 addition & 1 deletion sonora/wsgi.py
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Original file line number Diff line number Diff line change
Expand Up @@ -180,7 +180,7 @@ def _do_unary_response(
trailers = [("grpc-status", str(context.code.value[0]))]

if context.details:
trailers.append(("grpc-message", quote(context.details.encode("utf8"))))
trailers.append(("grpc-message", quote(context.details)))

if context._trailing_metadata:
trailers.extend(context._trailing_metadata)
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