자주 묻는 질문
###############################################################################
# 1. INSTALLATION
###############################################################################
# Make sure you have the following installed:
# pip install llama-index langchain duckduckgo-search
###############################################################################
# 2. IMPORTS
###############################################################################
%pip install llama-index langchain duckduckgo-search
from llama_index.llms.openai import OpenAI
# For DuckDuckGo search via LangChain
from langchain.utilities import DuckDuckGoSearchAPIWrapper
# llama-index workflow classes
from llama_index.core.workflow import Context
from llama_index.core.agent.workflow import (
FunctionAgent,
AgentWorkflow,
AgentInput,
AgentOutput,
ToolCall,
ToolCallResult,
AgentStream
)
import asyncio
###############################################################################
# 3. CREATE LLM
###############################################################################
# Replace "sk-..." with your actual OpenAI API key
llm = OpenAI(model="gpt-4", api_key="OPENAI_API_KEY")
###############################################################################
# 4. DEFINE DUCKDUCKGO SEARCH TOOL WITH SAFEGUARDS
###############################################################################
# We wrap LangChain's DuckDuckGoSearchAPIWrapper with our own logic
# to prevent repeated or excessive searches.
duckduckgo = DuckDuckGoSearchAPIWrapper()
MAX_SEARCH_CALLS = 2
search_call_count = 0
past_queries = set()
async def safe_duckduckgo_search(query: str) -> str:
"""
A DuckDuckGo-based search function that:
1) Prevents more than MAX_SEARCH_CALLS total searches.
2) Skips duplicate queries.
"""
global search_call_count, past_queries
# Check for duplicate queries
if query in past_queries:
return f"Already searched for '{query}'. Avoiding duplicate search."
# Check if we've reached the max search calls
if search_call_count >= MAX_SEARCH_CALLS:
return "Search limit reached, no more searches allowed."
# Otherwise, perform the search
search_call_count += 1
past_queries.add(query)
# DuckDuckGoSearchAPIWrapper.run(...) is synchronous, but we have an async signature
result = duckduckgo.run(query)
return str(result)
###############################################################################
# 5. OTHER TOOL FUNCTIONS: record_notes, write_report, review_report
###############################################################################
async def record_notes(ctx: Context, notes: str, notes_title: str) -> str:
"""Store research notes under a given title in the shared context."""
current_state = await ctx.get("state")
if "research_notes" not in current_state:
current_state["research_notes"] = {}
current_state["research_notes"][notes_title] = notes
await ctx.set("state", current_state)
return "Notes recorded."
async def write_report(ctx: Context, report_content: str) -> str:
"""Write a report in markdown, storing it in the shared context."""
current_state = await ctx.get("state")
current_state["report_content"] = report_content
await ctx.set("state", current_state)
return "Report written."
async def review_report(ctx: Context, review: str) -> str:
"""Review the report and store feedback in the shared context."""
current_state = await ctx.get("state")
current_state["review"] = review
await ctx.set("state", current_state)
return "Report reviewed."
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researchAgent
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