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Fix Dify TransferEncodingError on large responses #3245

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Fix Dify TransferEncodingError on large responses #3245

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Copilot Nov 1, 2025
66ed76b
Fix Dify TransferEncodingError by using iter_any() instead of iter_ch…
Copilot Nov 1, 2025
6de45f5
Update astrbot/core/utils/dify_api_client.py
LIghtJUNction Nov 1, 2025
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5 changes: 4 additions & 1 deletion astrbot/core/utils/dify_api_client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,10 @@
async def _stream_sse(resp: ClientResponse) -> AsyncGenerator[dict, None]:
decoder = codecs.getincrementaldecoder("utf-8")()
buffer = ""
async for chunk in resp.content.iter_chunked(8192):
# Use iter_any() instead of iter_chunked() to avoid TransferEncodingError
# when handling large responses with chunked transfer encoding
# See: https://github.com/aio-libs/aiohttp/issues/4630
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async for chunk in resp.content.iter_any():
buffer += decoder.decode(chunk)
while "\n\n" in buffer:
block, buffer = buffer.split("\n\n", 1)
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