60 lines
2.2 KiB
Python
60 lines
2.2 KiB
Python
# Copyright 2025 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import json
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import logging
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import os
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from google.adk.tools.tool_context import ToolContext
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logger = logging.getLogger(__name__)
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def get_restaurants(
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cuisine: str, location: str, tool_context: ToolContext, count: int = 5
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) -> str:
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"""Call this tool to get a list of restaurants based on a cuisine and location.
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'count' is the number of restaurants to return.
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"""
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logger.info(f"--- TOOL CALLED: get_restaurants (count: {count}) ---")
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logger.info(f" - Cuisine: {cuisine}")
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logger.info(f" - Location: {location}")
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items = []
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if "new york" in location.lower() or "ny" in location.lower():
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try:
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script_dir = os.path.dirname(__file__)
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file_path = os.path.join(script_dir, "restaurant_data.json")
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with open(file_path) as f:
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restaurant_data_str = f.read()
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if base_url := tool_context.state.get("base_url"):
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restaurant_data_str = restaurant_data_str.replace(
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"http://localhost:10002", base_url
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)
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logger.info(f"Updated base URL from tool context: {base_url}")
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all_items = json.loads(restaurant_data_str)
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# Slice the list to return only the requested number of items
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items = all_items[:count]
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logger.info(
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f" - Success: Found {len(all_items)} restaurants, returning {len(items)}."
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)
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except FileNotFoundError:
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logger.error(f" - Error: restaurant_data.json not found at {file_path}")
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except json.JSONDecodeError:
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logger.error(f" - Error: Failed to decode JSON from {file_path}")
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return json.dumps(items)
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