llama-stack-mirror/llama_toolchain/inference/event_logger.py
2024-07-22 15:11:34 -07:00

33 lines
1,021 B
Python

from termcolor import cprint
from llama_toolchain.inference.api import (
ChatCompletionResponseEventType,
)
class LogEvent:
def __init__(
self,
content: str = "",
end: str = "\n",
color="white",
):
self.content = content
self.color = color
self.end = "\n" if end is None else end
def print(self, flush=True):
cprint(f"{self.content}", color=self.color, end=self.end, flush=flush)
class EventLogger:
async def log(self, event_generator, stream=True):
async for chunk in event_generator:
event = chunk.event
if event.event_type == ChatCompletionResponseEventType.start:
yield LogEvent("Assistant> ", color="cyan", end="")
elif event.event_type == ChatCompletionResponseEventType.progress:
yield LogEvent(event.delta, color="yellow", end="")
elif event.event_type == ChatCompletionResponseEventType.complete:
yield LogEvent("")