import gplace from typing import TypedDict, Optional class NearbySearchInput(TypedDict): keyword: str location_name: str radius: int place_type: Optional[str] # %% def find_place_from_text(location:str): """Finds a place and related data from the query text""" result = gplace.find_place_from_text(location) r = result['candidates'][0] return f""" address: {r['formatted_address']}\n location: {r['geometry']['location']}\n location_name: {r['name']}\n """ # return f""" # address: {r['formatted_address']}\n # location: {r['geometry']['location']}\n # location_name: {r['name']}\n # """ # def nearby_search(keyword:str, location:str, radius=2000, place_type=None): # """Searches for many places nearby the location based on a keyword. using keyword like \"coffee shop\", \"restaurants\". radius is the range to search from the location""" # location = gplace.find_location(location, radius=radius) # result = gplace.nearby_search(keyword, location, radius) # strout = "" # for r in result: # strout = strout + f""" # address: {r['vicinity']}\n # location: {r['geometry']['location']}\n # name: {r['name']}\n # opening hours: {r['opening_hours']}\n # rating: {r['rating']}\n # plus code: {r['plus_code']['global_code']}\n\n # """ # return strout def nearby_search(input_dict: NearbySearchInput): """Searches for many places nearby the location based on a keyword. using keyword like \"coffee shop\", \"restaurants\". radius is the range to search from the location.""" max_results = 10 keyword = input_dict['keyword'] location = input_dict['location_name'] radius = input_dict.get('radius', 2000) place_type = input_dict.get('place_type', None) # Call the internal function to find location location_coords = gplace.find_location(location, radius=radius) result = gplace.nearby_search(keyword, location_coords, radius) number_results = len(result) strout = "number of results more than {}\n".format(number_results) if number_results==60 else "number of results: {}\n".format(number_results) for r in result[:max_results]: # Use .get() to handle missing keys address = r.get('vicinity', 'N/A') location_info = r.get('geometry', {}).get('location', 'N/A') name = r.get('name', 'N/A') opening_hours = r.get('opening_hours', 'N/A') rating = r.get('rating', 'N/A') plus_code = r.get('plus_code', {}).get('global_code', 'N/A') # strout += f""" # address: {address}\n # location: {location_info}\n # lacation_name: {name}\n # opening hours: {opening_hours}\n # rating: {rating}\n # plus code: {plus_code}\n\n # """ strout += f""" **{name}**\n address: {address}\n rating: {rating}\n\n """ return strout # %% # gplace_tools.py from langgraph.prebuilt import ToolNode from langchain_core.tools import tool from langchain_community.tools import GooglePlacesTool find_place_from_text = tool(find_place_from_text) # find_place_from_text = GooglePlacesTool() nearby_search = tool(nearby_search) tools = [find_place_from_text, nearby_search] # Create ToolNodes for each tool tool_node = ToolNode(tools)