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54 changes: 1 addition & 53 deletions distributed/protocol/core.py
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@

import msgpack

from .compression import compressions, decompress, maybe_compress
from .compression import decompress, maybe_compress
from .serialize import (
Serialize,
Serialized,
Expand Down Expand Up @@ -111,55 +111,3 @@ def _decode_default(obj):
except Exception:
logger.critical("Failed to deserialize", exc_info=True)
raise


def dumps_msgpack(msg, compression=None):
"""Dump msg into header and payload, both bytestrings

All of the message must be msgpack encodable

See Also:
loads_msgpack
"""
header = {}
payload = msgpack.dumps(msg, default=msgpack_encode_default, use_bin_type=True)

fmt, payload = maybe_compress(payload, compression=compression)
if fmt:
header["compression"] = fmt

if header:
header_bytes = msgpack.dumps(header, use_bin_type=True)
else:
header_bytes = b""

return [header_bytes, payload]


def loads_msgpack(header, payload):
"""Read msgpack header and payload back to Python object

See Also:
dumps_msgpack
"""
header = bytes(header)
if header:
header = msgpack.loads(
header, object_hook=msgpack_decode_default, use_list=False, **msgpack_opts
)
else:
header = {}

if header.get("compression"):
try:
decompress = compressions[header["compression"]]["decompress"]
payload = decompress(payload)
except KeyError:
raise ValueError(
"Data is compressed as %s but we don't have this"
" installed" % str(header["compression"])
)

return msgpack.loads(
payload, object_hook=msgpack_decode_default, use_list=False, **msgpack_opts
)