File size: 3,330 Bytes
1fcafa8 ddb81ff 1fcafa8 ddb81ff 1fcafa8 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 |
import os
import googlemaps
from dotenv import load_dotenv
from langgraph.prebuilt import create_react_agent
from langchain.chat_models import init_chat_model
from langchain.tools import tool
from langchain_community.tools.tavily_search import TavilySearchResults
from langchain_core.messages import SystemMessage
from googlemaps.places import places_nearby
from geopy.geocoders import Nominatim
from agents.prompts import shopper_prompt
load_dotenv()
API_KEY = os.getenv("GOOGLE_MAPS_API_KEY")
gmaps_client = googlemaps.Client(key=API_KEY)
model = init_chat_model("gemini-2.0-flash", model_provider="google_genai")
@tool
def add(a: float, b: float):
"""Add two numbers."""
return a + b
@tool
def multiply(a: float, b: float):
"""Multiply two numbers."""
return a * b
@tool
def divide(a: float, b: float):
"""Divide two numbers."""
return a / b
def get_lat_long_from_location(location_name: str) -> str:
"""
Convert a location name into a latitude,longitude string.
"""
try:
geolocator = Nominatim(user_agent="craft_mind_agent")
location = geolocator.geocode(location_name)
if location:
return f"{location.latitude},{location.longitude}"
else:
return "⚠️ Location not found."
except Exception as e:
return f"❌ Error retrieving location: {str(e)}"
def find_craft_shops(location: str, radius: int = 5000, keyword: str = "yarn shop") -> str:
location_lat_long = get_lat_long_from_location(location)
try:
places_result = places_nearby(
client=gmaps_client,
location=location_lat_long,
radius=radius,
keyword=keyword,
type="store"
)
results = places_result.get("results", [])
if not results:
return "No nearby craft or yarn shops found."
output = "🧶 Here are some nearby yarn/craft shops:\n\n"
for place in results[:5]:
name = place.get("name")
address = place.get("vicinity")
rating = place.get("rating", "N/A")
output += f"• {name} ({rating}⭐)\n 📍 {address}\n\n"
return output
except Exception as e:
return f"Error while searching: {e}"
@tool
def search_nearby_craft_shops(location: str, keyword: str) -> str:
"""Search for nearby shops for a given keyword using Google Maps from a given location string or lat,lng."""
return find_craft_shops(location=location, keyword=keyword)
@tool
def find_products_with_prices(query: str) -> str:
"""Search for products and prices using Tavily. Input should be a product search query."""
search_tool = TavilySearchResults(k=5)
results = search_tool.run(query)
output = []
for res in results:
title = res.get("title", "")
snippet = res.get("content", "")
link = res.get("url", "")
output.append(f"🛒 **{title}**\n{snippet}\n🔗 {link}\n")
return "\n\n".join(output) if output else "No results found."
shopper_agent = create_react_agent(
model=model,
tools=[find_products_with_prices, search_nearby_craft_shops, add, divide, multiply],
prompt=SystemMessage(content=shopper_prompt.format()),
name="shopper_agent",
)
if __name__ == "__main__":
find_craft_shops()
|