langchain_openinference_instrumentation_with_opentelemetry_console_export.py

1from langchain_openai import ChatOpenAI
2from openinference.instrumentation.langchain import LangChainInstrumentor
3from opentelemetry import trace
4from opentelemetry.sdk.trace import TracerProvider
5from opentelemetry.sdk.trace.export import ConsoleSpanExporter, SimpleSpanProcessor
6
7# Setup OpenTelemetry to export to console
8tracer_provider = TracerProvider()
9tracer_provider.add_span_processor(SimpleSpanProcessor(ConsoleSpanExporter()))
10trace.set_tracer_provider(tracer_provider)
11
12# Instrument LangChain
13LangChainInstrumentor().instrument()
14
15# Run a LangChain operation
16llm = ChatOpenAI(model="gpt-3.5-turbo")
17response = llm.invoke("What is OpenInference?")
18print(response.content)