Files
pipecat/src/dailyai/pipeline/opeanai_llm_aggregator.py
2024-03-28 12:36:24 -04:00

110 lines
3.6 KiB
Python

from typing import AsyncGenerator, Callable
from dailyai.pipeline.frame_processor import FrameProcessor
from dailyai.pipeline.frames import (
Frame,
LLMResponseEndFrame,
LLMResponseStartFrame,
OpenAILLMContextFrame,
TextFrame,
TranscriptionFrame,
UserStartedSpeakingFrame,
UserStoppedSpeakingFrame,
)
from dailyai.services.openai_llm_context import OpenAILLMContext
from openai.types.chat import ChatCompletionRole
class OpenAIContextAggregator(FrameProcessor):
def __init__(
self,
context: OpenAILLMContext,
aggregator: Callable[[Frame, str | None], str | None],
role: ChatCompletionRole,
start_frame: type,
end_frame: type,
accumulator_frame: type,
pass_through=True,
):
if not (
issubclass(start_frame, Frame)
and issubclass(end_frame, Frame)
and issubclass(accumulator_frame, Frame)
):
raise TypeError(
"start_frame, end_frame and accumulator_frame must be instances of Frame"
)
self._context: OpenAILLMContext = context
self._aggregator: Callable[[Frame, str | None], None] = aggregator
self._role: ChatCompletionRole = role
self._start_frame = start_frame
self._end_frame = end_frame
self._accumulator_frame = accumulator_frame
self._pass_through = pass_through
self._aggregating = False
self._aggregation = None
async def process_frame(self, frame: Frame) -> AsyncGenerator[Frame, None]:
if isinstance(frame, self._start_frame):
self._aggregating = True
elif isinstance(frame, self._end_frame):
self._aggregating = False
if self._aggregation:
self._context.add_message(
{
"role": self._role,
"content": self._aggregation,
"name": self._role,
} # type: ignore
)
self._aggregation = None
yield OpenAILLMContextFrame(self._context)
elif isinstance(frame, self._accumulator_frame) and self._aggregating:
self._aggregation = self._aggregator(frame, self._aggregation)
if self._pass_through:
yield frame
else:
yield frame
def string_aggregator(
self,
frame: Frame,
aggregation: str | None) -> str | None:
if not isinstance(frame, TextFrame):
raise TypeError(
"Frame must be a TextFrame instance to be aggregated by a string aggregator."
)
if not aggregation:
aggregation = ""
return " ".join([aggregation, frame.text])
class OpenAIUserContextAggregator(OpenAIContextAggregator):
def __init__(self, context: OpenAILLMContext):
super().__init__(
context=context,
aggregator=self.string_aggregator,
role="user",
start_frame=UserStartedSpeakingFrame,
end_frame=UserStoppedSpeakingFrame,
accumulator_frame=TranscriptionFrame,
pass_through=False,
)
class OpenAIAssistantContextAggregator(OpenAIContextAggregator):
def __init__(self, context: OpenAILLMContext):
super().__init__(
context,
aggregator=self.string_aggregator,
role="assistant",
start_frame=LLMResponseStartFrame,
end_frame=LLMResponseEndFrame,
accumulator_frame=TextFrame,
pass_through=True,
)