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Add support for chunked request bodies (llama-swap compatibility) #154

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Add support for chunked request bodies (llama-swap compatibility) #154

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18 changes: 16 additions & 2 deletions mlx_lm/server.py
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Original file line number Diff line number Diff line change
Expand Up @@ -293,8 +293,22 @@ def do_POST(self):
return

# Fetch and parse request body
content_length = int(self.headers["Content-Length"])
raw_body = self.rfile.read(content_length)
content_length = self.headers.get("Content-Length")
if content_length:
raw_body = self.rfile.read(int(content_length))
else:
chunks = []
while True:
line = self.rfile.readline()
if not line:
break
size = int(line.strip(), 16)
if size == 0:
self.rfile.readline() # Trailer CRLF
break
chunks.append(self.rfile.read(size))
self.rfile.read(2) # CR+LF
raw_body = b"".join(chunks)
self.body = json.loads(raw_body.decode())
indent = "\t" # Backslashes can't be inside of f-strings
logging.debug(f"Incoming Request Body: {json.dumps(self.body, indent=indent)}")
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