追踪 PydanticAI 应用

export LANGSMITH_API_KEY=<your_langsmith_api_key>
export LANGSMITH_PROJECT=<your_project_name>
export OPENAI_API_KEY=<your_openai_api_key>

from langsmith.integrations.otel import configure
from pydantic_ai import Agent

# 配置 LangSmith 追踪
configure(project_name="pydantic-ai-demo")

# 插桩所有 PydanticAI 代理
Agent.instrument_all()

from langsmith.integrations.otel import configure
from pydantic_ai import Agent

# 配置 LangSmith 追踪
configure(project_name="pydantic-ai-demo")

# 插桩所有 PydanticAI 代理
Agent.instrument_all()

# 创建并运行一个代理
agent = Agent('openai:gpt-5.4')
result = agent.run_sync('法国的首都是哪里？')
print(result.output)
#> 巴黎

from opentelemetry import trace
from pydantic_ai import Agent
from langsmith.integrations.otel import configure

configure(project_name="pydantic-ai-metadata")
Agent.instrument_all()

tracer = trace.get_tracer(__name__)

agent = Agent('openai:gpt-5.4')

with tracer.start_as_current_span("pydantic_ai_workflow") as span:
    span.set_attribute("langsmith.metadata.user_id", "user_123")
    span.set_attribute("langsmith.metadata.workflow_type", "question_answering")
    span.set_attribute("langsmith.span.tags", "pydantic-ai,production")

    result = agent.run_sync('用简单的话解释量子计算')
    print(result.output)