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Add generation exception handler to LLM, VLM engines #79

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Add generation exception handler to LLM, VLM engines #79

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7 changes: 7 additions & 0 deletions src/engine/ov_genai/llm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -141,8 +141,15 @@ async def _run_generation():
generation_kwargs,
streamer
)
def _generation_exception_handler(task: asyncio.Task):
exc = task.exception()
if exc and not task.cancelled():
# Force break the below loop
streamer.text_queue.put_nowait(None)
raise exc

gen_task = asyncio.create_task(_run_generation())
gen_task.add_done_callback(_generation_exception_handler)

try:
while True:
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7 changes: 7 additions & 0 deletions src/engine/ov_genai/vlm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -189,8 +189,15 @@ async def _run_generation():
generation_config=generation_kwargs,
streamer=streamer,
)
def _generation_exception_handler(task: asyncio.Task):
exc = task.exception()
if exc and not task.cancelled():
# Force break the below loop
streamer.text_queue.put_nowait(None)
raise exc

gen_task = asyncio.create_task(_run_generation())
gen_task.add_done_callback(_generation_exception_handler)

try:
while True:
Expand Down