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Refactor langflow processing and langfuse callback initialization

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This commit is contained in:
Gabriel Luiz Freitas Almeida 2024-02-09 12:00:24 -03:00
commit 2b646429c0
2 changed files with 6 additions and 5 deletions
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8
src/backend/langflow/processing/base.py
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@ -2,10 +2,13 @@ from typing import TYPE_CHECKING, List, Union
from langchain.agents.agent import AgentExecutor
from langchain.callbacks.base import BaseCallbackHandler
from loguru import logger
from langflow.api.v1.callback import AsyncStreamingLLMCallbackHandler, StreamingLLMCallbackHandler
from langflow.processing.process import fix_memory_inputs, format_actions
from langflow.services.deps import get_plugins_service
from loguru import logger
from langflow.processing.process import fix_memory_inputs, format_actions
from langflow.services.deps import get_plugins_service
if TYPE_CHECKING:
from langfuse.callback import CallbackHandler # type: ignore
@ -28,13 +31,12 @@ def setup_callbacks(sync, trace_id, **kwargs):
def get_langfuse_callback(trace_id):
from langflow.services.deps import get_plugins_service
from langfuse.callback import CreateTrace
logger.debug("Initializing langfuse callback")
if langfuse := get_plugins_service().get("langfuse"):
logger.debug("Langfuse credentials found")
try:
trace = langfuse.trace(CreateTrace(name="langflow-" + trace_id, id=trace_id))
trace = langfuse.trace(name="langflow-" + trace_id, id=trace_id)
return trace.getNewHandler()
except Exception as exc:
logger.error(f"Error initializing langfuse callback: {exc}")

3
src/backend/langflow/services/plugins/langfuse_plugin.py
View file

@ -64,14 +64,13 @@ class LangfusePlugin(CallbackPlugin):
def get_callback(self, _id: Optional[str] = None):
if _id is None:
_id = "default"
from langfuse.callback import CreateTrace # type: ignore
logger.debug("Initializing langfuse callback")
try:
langfuse_instance = self.get()
if langfuse_instance is not None and hasattr(langfuse_instance, "trace"):
trace = langfuse_instance.trace(CreateTrace(name="langflow-" + _id, id=_id))
trace = langfuse_instance.trace(name="langflow-" + _id, id=_id)
if trace:
return trace.getNewHandler()