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Running
Trisha Tomy
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90940ac
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Parent(s):
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app.py
CHANGED
@@ -1,52 +1,35 @@
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# app.py
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# IMPORTANT: These two lines MUST be at the very top, before any other imports.
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# They patch asyncio to work cooperatively with gevent workers.
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import gevent.monkey
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gevent.monkey.patch_all(asyncio=True)
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import asyncio
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from flask import Flask, request, jsonify
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from proxy_lite import Runner, RunnerConfig
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from proxy_lite.config import RecorderConfig # Needed for explicit instantiation
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import os
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import logging
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# Configure logging for better visibility in Hugging Face Space logs
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
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logger = logging.getLogger(__name__)
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app = Flask(__name__)
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# Global runner instance. It will be initialized once per worker process/greenlet
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# upon the first request to ensure correct event loop binding.
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_runner = None
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async def initialize_runner():
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"""Initializes the Proxy-lite Runner asynchronously."""
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global _runner
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if _runner is None:
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logger.info("Initializing Proxy-lite Runner...")
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# Retrieve Hugging Face API Token from environment variables (set as Space Secret)
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hf_api_token = os.environ.get("HF_API_TOKEN")
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if not hf_api_token:
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logger.error("HF_API_TOKEN environment variable not set. Cannot initialize Runner.")
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raise ValueError("HF_API_TOKEN environment variable not set. Please set it as a Space secret.")
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# and passed as a Pydantic object, rather than relying on nested dict parsing.
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recorder_config_instance = RecorderConfig(root_path="/tmp/proxy_lite_runs")
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# --- END EXPLICIT RECORDER_CONFIG ---
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# --- EXPLICITLY CREATE RUNNER_CONFIG ---
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# Pass all configuration parameters as keyword arguments to the Pydantic model.
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config = RunnerConfig(
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environment={
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"name": "webbrowser",
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"homepage": "https://www.google.com",
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"headless": True,
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},
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solver
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"name": "simple",
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"agent": {
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"name": "proxy_lite",
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"api_key": hf_api_token
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}
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}
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}
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)
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# --- END EXPLICIT RUNNER_CONFIG ---
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# Instantiate the Runner, passing the config as a keyword argument (Pydantic style)
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_runner = Runner(config=config)
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logger.info("Proxy-lite Runner initialized successfully.")
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return _runner
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def run_async_task(coro):
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"""
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Helper to run async coroutines in a synchronous context (like Flask routes).
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Ensures an event loop exists
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This addresses the "no current event loop" errors.
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"""
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try:
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# Try to get the running loop (for current thread/greenlet)
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loop = asyncio.get_running_loop()
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except RuntimeError:
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# If no loop is running, create a new one for this thread
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loop = asyncio.new_event_loop()
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asyncio.set_event_loop(loop)
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# Run the coroutine until it completes
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return loop.run_until_complete(coro)
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@app.route('/run_proxy_task', methods=['POST'])
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def run_proxy_task_endpoint():
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"""API endpoint to receive a task and execute it with Proxy-lite."""
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data = request.json
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task = data.get('task')
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if not task:
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logger.info(f"Received task for proxy-lite: '{task}'")
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try:
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# Ensure runner is initialized (and event loop handled) before use
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runner = run_async_task(initialize_runner())
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# Run the task using the proxy-lite runner
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result = run_async_task(runner.run(task))
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logger.info(f"Proxy-lite task completed. Output: {result[:200]}...")
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# Return the result as a JSON response
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return jsonify({"output": result})
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except Exception as e:
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logger.exception(f"Error processing task '{task}':")
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return jsonify({"error": f"An error occurred: {str(e)}. Check logs for details."}), 500
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@app.route('/')
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def root():
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"""Basic root endpoint for health check and user info."""
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logger.info("Root endpoint accessed.")
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return "Proxy-lite API is running. Send POST requests to /run_proxy_task with a 'task' in JSON body."
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if __name__ == '__main__':
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# During local development, ensure HF_API_TOKEN is set manually
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if not os.environ.get("HF_API_TOKEN"):
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logger.error("HF_API_TOKEN environment variable is not set. Please set it for local testing.")
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exit(1)
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logger.info("Starting Flask development server on 0.0.0.0:7860...")
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app.run(host='0.0.0.0', port=7860, debug=True) # debug=True for local testing, disable for production
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import gevent.monkey
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gevent.monkey.patch_all(asyncio=True)
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# app.py
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import asyncio
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from flask import Flask, request, jsonify
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from proxy_lite import Runner, RunnerConfig
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import os
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import logging
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
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logger = logging.getLogger(__name__)
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app = Flask(__name__)
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_runner = None
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async def initialize_runner():
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global _runner
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if _runner is None:
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logger.info("Initializing Proxy-lite Runner...")
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hf_api_token = os.environ.get("HF_API_TOKEN")
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if not hf_api_token:
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logger.error("HF_API_TOKEN environment variable not set. Cannot initialize Runner.")
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raise ValueError("HF_API_TOKEN environment variable not set. Please set it as a Space secret.")
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config = RunnerConfig.from_dict({
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"environment": {
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"name": "webbrowser",
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"homepage": "https://www.google.com",
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"headless": True,
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},
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"solver": {
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"name": "simple",
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"agent": {
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"name": "proxy_lite",
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"api_key": hf_api_token
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}
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}
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}
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})
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_runner = Runner(config)
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logger.info("Proxy-lite Runner initialized successfully.")
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return _runner
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# --- MODIFIED run_async_task FUNCTION ---
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def run_async_task(coro):
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"""
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Helper to run async coroutines in a synchronous context (like Flask routes).
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Ensures an event loop exists and runs the coroutine.
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"""
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try:
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# Try to get the running loop (for current thread/greenlet)
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loop = asyncio.get_running_loop()
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except RuntimeError:
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# If no loop is running, create a new one for this thread
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loop = asyncio.new_event_loop()
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asyncio.set_event_loop(loop)
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# Run the coroutine until it completes
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return loop.run_until_complete(coro)
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# --- END MODIFIED run_async_task FUNCTION ---
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@app.route('/run_proxy_task', methods=['POST'])
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def run_proxy_task_endpoint():
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data = request.json
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task = data.get('task')
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if not task:
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logger.info(f"Received task for proxy-lite: '{task}'")
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try:
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runner = run_async_task(initialize_runner())
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result = run_async_task(runner.run(task))
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logger.info(f"Proxy-lite task completed. Output: {result[:200]}...")
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return jsonify({"output": result})
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except Exception as e:
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logger.exception(f"Error processing task '{task}':")
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return jsonify({"error": f"An error occurred: {str(e)}. Check logs for details."}), 500
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@app.route('/')
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def root():
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logger.info("Root endpoint accessed.")
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return "Proxy-lite API is running. Send POST requests to /run_proxy_task with a 'task' in JSON body."
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if __name__ == '__main__':
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if not os.environ.get("HF_API_TOKEN"):
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logger.error("HF_API_TOKEN environment variable is not set. Please set it for local testing.")
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exit(1)
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logger.info("Starting Flask development server on 0.0.0.0:7860...")
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app.run(host='0.0.0.0', port=7860, debug=True)
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