fixed training again

crypto/gogo2/live_training.py

@@ -9,6 +9,8 @@ import datetime
 import traceback
 import numpy as np
 import torch
+import gc
+from functools import partial
 from main import initialize_exchange, TradingEnvironment, Agent
 from torch.utils.tensorboard import SummaryWriter
 
@@ -54,6 +56,11 @@ def robust_save(model, path):
     # Backup path in case the main save fails
     backup_path = f"{path}.backup"
     
+    # Clean up GPU memory before saving
+    if torch.cuda.is_available():
+        torch.cuda.empty_cache()
+        gc.collect()
+    
     # Attempt 1: Try with default settings in a separate file first
     try:
         logger.info(f"Saving model to {backup_path} (attempt 1)")
@@ -122,6 +129,28 @@ def robust_save(model, path):
         logger.error(f"All save attempts failed: {e}")
         return False
 
+# Implement timeout wrapper for exchange operations
+async def with_timeout(coroutine, timeout=30, default=None):
+    """
+    Execute a coroutine with a timeout
+    
+    Args:
+        coroutine: The coroutine to execute
+        timeout: Timeout in seconds
+        default: Default value to return on timeout
+        
+    Returns:
+        The result of the coroutine or default value on timeout
+    """
+    try:
+        return await asyncio.wait_for(coroutine, timeout=timeout)
+    except asyncio.TimeoutError:
+        logger.warning(f"Operation timed out after {timeout} seconds")
+        return default
+    except Exception as e:
+        logger.error(f"Operation failed: {e}")
+        return default
+
 # Implement fetch_and_update_data function
 async def fetch_and_update_data(exchange, env, symbol, timeframe):
     """
@@ -139,8 +168,12 @@ async def fetch_and_update_data(exchange, env, symbol, timeframe):
         # Default to 100 candles if not specified
         limit = 1000
         
-        # Fetch OHLCV data
-        candles = await exchange.fetch_ohlcv(symbol, timeframe, limit=limit)
+        # Fetch OHLCV data with timeout
+        candles = await with_timeout(
+            exchange.fetch_ohlcv(symbol, timeframe, limit=limit),
+            timeout=30,
+            default=[]
+        )
         
         if not candles or len(candles) == 0:
             logger.warning(f"No candles returned for {symbol} on {timeframe}")
@@ -181,6 +214,16 @@ async def fetch_and_update_data(exchange, env, symbol, timeframe):
         logger.error(traceback.format_exc())
         return False
 
+# Implement memory management function
+def manage_memory():
+    """
+    Clean up memory to avoid memory leaks during long running sessions
+    """
+    if torch.cuda.is_available():
+        torch.cuda.empty_cache()
+    gc.collect()
+    logger.debug("Memory cleaned")
+
 async def live_training(
     symbol="ETH/USDT",
     timeframe="1m",
@@ -194,6 +237,8 @@ async def live_training(
     gamma=0.99,
     window_size=30,
     max_episodes=0,  # 0 means unlimited
+    retry_delay=5,  # Seconds to wait before retrying after an error
+    max_retries=3,  # Maximum number of retries for operations
 ):
     """
     Live training function that uses real market data to improve the model without executing real trades.
@@ -211,15 +256,30 @@ async def live_training(
         gamma: Discount factor for training
         window_size: Window size for the environment
         max_episodes: Maximum number of episodes (0 for unlimited)
+        retry_delay: Seconds to wait before retrying after an error
+        max_retries: Maximum number of retries for operations
     """
     logger.info(f"Starting live training for {symbol} on {timeframe} timeframe")
     
     # Initialize exchange (without sandbox mode)
     exchange = None
+    
+    # Retry loop for exchange initialization
+    for retry in range(max_retries):
+        try:
+            exchange = await initialize_exchange()
+            logger.info(f"Exchange initialized: {exchange.id}")
+            break
+        except Exception as e:
+            logger.error(f"Error initializing exchange (attempt {retry+1}/{max_retries}): {e}")
+            if retry < max_retries - 1:
+                logger.info(f"Retrying in {retry_delay} seconds...")
+                await asyncio.sleep(retry_delay)
+            else:
+                logger.error("Max retries reached. Could not initialize exchange.")
+                return
+    
     try:
-        exchange = await initialize_exchange()
-        logger.info(f"Exchange initialized: {exchange.id}")
-        
         # Initialize environment
         env = TradingEnvironment(
             initial_balance=initial_balance,
@@ -228,11 +288,20 @@ async def live_training(
             timeframe=timeframe,
         )
         
-        # Fetch initial data
+        # Fetch initial data (with retries)
         logger.info(f"Fetching initial data for {symbol}")
-        success = await fetch_and_update_data(exchange, env, symbol, timeframe)
+        success = False
+        for retry in range(max_retries):
+            success = await fetch_and_update_data(exchange, env, symbol, timeframe)
+            if success:
+                break
+            logger.warning(f"Failed to fetch initial data (attempt {retry+1}/{max_retries})")
+            if retry < max_retries - 1:
+                logger.info(f"Retrying in {retry_delay} seconds...")
+                await asyncio.sleep(retry_delay)
+        
         if not success:
-            logger.error("Failed to fetch initial data, exiting")
+            logger.error("Failed to fetch initial data after multiple attempts, exiting")
             return
         
         # Initialize agent
@@ -268,6 +337,10 @@ async def live_training(
         step_counter = 0
         last_update_time = datetime.datetime.now()
         
+        # Track consecutive errors to enable circuit breaker
+        consecutive_errors = 0
+        max_consecutive_errors = 5
+        
         while True:
             # Check if we've reached the maximum number of episodes
             if max_episodes > 0 and episode_count >= max_episodes:
@@ -284,11 +357,14 @@ async def live_training(
                 if not success:
                     logger.warning("Failed to update data, will try again later")
                     # Wait a bit before trying again
-                    await asyncio.sleep(5)
+                    await asyncio.sleep(retry_delay)
                     continue
                     
                 last_update_time = current_time
                 
+                # Clean up memory before running an episode
+                manage_memory()
+                
                 # Run training iterations on the updated data
                 episode_reward = 0
                 env.reset()
@@ -337,12 +413,22 @@ async def live_training(
                         
                         # Train the agent on a batch of experiences
                         if len(agent.memory) > batch_size:
-                            agent.learn()
-                            
-                            # Additional training iterations
-                            if steps_in_episode % 10 == 0 and training_iterations > 1:
-                                for _ in range(training_iterations - 1):
-                                    agent.learn()
+                            try:
+                                agent.learn()
+                                
+                                # Additional training iterations
+                                if steps_in_episode % 10 == 0 and training_iterations > 1:
+                                    for _ in range(training_iterations - 1):
+                                        agent.learn()
+                                        
+                                # Reset consecutive errors counter on successful learning
+                                consecutive_errors = 0
+                            except Exception as e:
+                                logger.error(f"Error during learning: {e}")
+                                consecutive_errors += 1
+                                if consecutive_errors >= max_consecutive_errors:
+                                    logger.warning(f"Circuit breaker triggered after {max_consecutive_errors} consecutive errors")
+                                    break
                         
                         if done:
                             logger.info(f"Episode done after {steps_in_episode} steps")
@@ -351,7 +437,10 @@ async def live_training(
                     except Exception as e:
                         logger.error(f"Error during episode step: {e}")
                         logger.error(traceback.format_exc())
-                        break
+                        consecutive_errors += 1
+                        if consecutive_errors >= max_consecutive_errors:
+                            logger.warning(f"Circuit breaker triggered after {max_consecutive_errors} consecutive errors")
+                            break
                 
                 # Update training statistics
                 episode_count += 1
@@ -419,26 +508,29 @@ async def live_training(
         logger.error(traceback.format_exc())
     finally:
         # Save final model
-        if robust_save(agent, save_path):
-            logger.info(f"Final model saved to {save_path}")
-        else:
-            logger.error(f"Failed to save final model")
-        
-        # Close TensorBoard writer
-        try:
-            writer.close()
-            logger.info("TensorBoard writer closed")
-        except Exception as e:
-            logger.error(f"Error closing TensorBoard writer: {e}")
+        if 'agent' in locals():
+            if robust_save(agent, save_path):
+                logger.info(f"Final model saved to {save_path}")
+            else:
+                logger.error(f"Failed to save final model")
+            
+            # Close TensorBoard writer
+            try:
+                writer.close()
+                logger.info("TensorBoard writer closed")
+            except Exception as e:
+                logger.error(f"Error closing TensorBoard writer: {e}")
         
         # Close exchange connection
         if exchange:
             try:
-                await exchange.close()
+                await with_timeout(exchange.close(), timeout=10)
                 logger.info("Exchange connection closed")
             except Exception as e:
                 logger.error(f"Error closing exchange connection: {e}")
         
+        # Final memory cleanup
+        manage_memory()
         logger.info("Live training completed")
 
 async def main():
@@ -452,6 +544,8 @@ async def main():
     parser.add_argument('--update_interval', type=int, default=60, help='Interval to update data in seconds')
     parser.add_argument('--training_iterations', type=int, default=100, help='Training iterations per update')
     parser.add_argument('--max_episodes', type=int, default=0, help='Maximum number of episodes (0 for unlimited)')
+    parser.add_argument('--retry_delay', type=int, default=5, help='Seconds to wait before retrying after an error')
+    parser.add_argument('--max_retries', type=int, default=3, help='Maximum number of retries for operations')
     
     args = parser.parse_args()
     
@@ -466,9 +560,10 @@ async def main():
         update_interval=args.update_interval,
         training_iterations=args.training_iterations,
         max_episodes=args.max_episodes,
+        retry_delay=args.retry_delay,
+        max_retries=args.max_retries,
     )
 
-# At the beginning of the file, after importing the modules
 # Override Agent's save method with our robust save function
 def monkey_patch_agent_save():
     """Replace Agent's save method with our robust save approach"""

crypto/gogo2/test_model_save_load.py

@@ -0,0 +1,227 @@
+#!/usr/bin/env python
+import os
+import logging
+import torch
+import argparse
+import gc
+import traceback
+import shutil
+from main import Agent, robust_save
+
+# Set up logging
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s - %(levelname)s - %(message)s",
+    handlers=[
+        logging.FileHandler("test_model_save_load.log"),
+        logging.StreamHandler()
+    ]
+)
+logger = logging.getLogger(__name__)
+
+def create_test_directory():
+    """Create a test directory for saving models"""
+    test_dir = "test_models"
+    os.makedirs(test_dir, exist_ok=True)
+    return test_dir
+
+def test_save_load_cycle(state_size=64, action_size=4, hidden_size=384):
+    """Test a full cycle of saving and loading models"""
+    test_dir = create_test_directory()
+    
+    # Create a test agent
+    logger.info(f"Creating test agent with state_size={state_size}, action_size={action_size}, hidden_size={hidden_size}")
+    agent = Agent(state_size=state_size, action_size=action_size, hidden_size=hidden_size)
+    
+    # Define paths for testing
+    save_path = os.path.join(test_dir, "test_agent.pt")
+    
+    # Test saving
+    logger.info(f"Testing save to {save_path}")
+    save_success = agent.save(save_path)
+    
+    if save_success:
+        logger.info(f"Save successful, model size: {os.path.getsize(save_path)} bytes")
+    else:
+        logger.error("Save failed!")
+        return False
+    
+    # Memory cleanup
+    del agent
+    if torch.cuda.is_available():
+        torch.cuda.empty_cache()
+    gc.collect()
+    
+    # Test loading
+    logger.info(f"Testing load from {save_path}")
+    try:
+        new_agent = Agent(state_size=state_size, action_size=action_size, hidden_size=hidden_size)
+        new_agent.load(save_path)
+        logger.info("Load successful")
+        
+        # Verify model architecture
+        logger.info(f"Verifying model architecture")
+        assert new_agent.state_size == state_size, f"Expected state_size={state_size}, got {new_agent.state_size}"
+        assert new_agent.action_size == action_size, f"Expected action_size={action_size}, got {new_agent.action_size}"
+        assert new_agent.hidden_size == hidden_size, f"Expected hidden_size={hidden_size}, got {new_agent.hidden_size}"
+        
+        logger.info("Model architecture verified correctly")
+        return True
+    except Exception as e:
+        logger.error(f"Error during load or verification: {e}")
+        logger.error(traceback.format_exc())
+        return False
+
+def test_robust_save_methods(state_size=64, action_size=4, hidden_size=384):
+    """Test all the robust save methods"""
+    test_dir = create_test_directory()
+    
+    # Create a test agent
+    logger.info(f"Creating test agent for robust save testing")
+    agent = Agent(state_size=state_size, action_size=action_size, hidden_size=hidden_size)
+    
+    # Test each robust save method
+    methods = [
+        ("regular", os.path.join(test_dir, "regular_save.pt")),
+        ("backup", os.path.join(test_dir, "backup_save.pt")),
+        ("pickle2", os.path.join(test_dir, "pickle2_save.pt")),
+        ("no_optimizer", os.path.join(test_dir, "no_optimizer_save.pt")),
+        ("jit", os.path.join(test_dir, "jit_save.pt"))
+    ]
+    
+    results = {}
+    
+    for method_name, save_path in methods:
+        logger.info(f"Testing {method_name} save method to {save_path}")
+        
+        try:
+            if method_name == "regular":
+                # Use regular save
+                success = agent.save(save_path)
+            elif method_name == "backup":
+                # Use backup method directly
+                backup_path = f"{save_path}.backup"
+                checkpoint = {
+                    'policy_net': agent.policy_net.state_dict(),
+                    'target_net': agent.target_net.state_dict(),
+                    'optimizer': agent.optimizer.state_dict(),
+                    'epsilon': agent.epsilon,
+                    'state_size': agent.state_size,
+                    'action_size': agent.action_size,
+                    'hidden_size': agent.hidden_size
+                }
+                torch.save(checkpoint, backup_path)
+                shutil.copy(backup_path, save_path)
+                success = os.path.exists(save_path)
+            elif method_name == "pickle2":
+                # Use pickle protocol 2
+                checkpoint = {
+                    'policy_net': agent.policy_net.state_dict(),
+                    'target_net': agent.target_net.state_dict(),
+                    'optimizer': agent.optimizer.state_dict(),
+                    'epsilon': agent.epsilon,
+                    'state_size': agent.state_size,
+                    'action_size': agent.action_size,
+                    'hidden_size': agent.hidden_size
+                }
+                torch.save(checkpoint, save_path, pickle_protocol=2)
+                success = os.path.exists(save_path)
+            elif method_name == "no_optimizer":
+                # Save without optimizer
+                checkpoint = {
+                    'policy_net': agent.policy_net.state_dict(),
+                    'target_net': agent.target_net.state_dict(),
+                    'epsilon': agent.epsilon,
+                    'state_size': agent.state_size,
+                    'action_size': agent.action_size,
+                    'hidden_size': agent.hidden_size
+                }
+                torch.save(checkpoint, save_path)
+                success = os.path.exists(save_path)
+            elif method_name == "jit":
+                # Use JIT save
+                try:
+                    scripted_policy = torch.jit.script(agent.policy_net)
+                    torch.jit.save(scripted_policy, f"{save_path}.policy.jit")
+                    
+                    scripted_target = torch.jit.script(agent.target_net)
+                    torch.jit.save(scripted_target, f"{save_path}.target.jit")
+                    
+                    # Save parameters
+                    with open(f"{save_path}.params.json", "w") as f:
+                        import json
+                        params = {
+                            'epsilon': float(agent.epsilon),
+                            'state_size': int(agent.state_size),
+                            'action_size': int(agent.action_size),
+                            'hidden_size': int(agent.hidden_size)
+                        }
+                        json.dump(params, f)
+                    
+                    success = (os.path.exists(f"{save_path}.policy.jit") and 
+                              os.path.exists(f"{save_path}.target.jit") and
+                              os.path.exists(f"{save_path}.params.json"))
+                except Exception as e:
+                    logger.error(f"JIT save failed: {e}")
+                    success = False
+            
+            if success:
+                if method_name != "jit":
+                    file_size = os.path.getsize(save_path)
+                    logger.info(f"{method_name} save successful, size: {file_size} bytes")
+                else:
+                    logger.info(f"{method_name} save successful")
+                results[method_name] = True
+            else:
+                logger.error(f"{method_name} save failed")
+                results[method_name] = False
+                
+        except Exception as e:
+            logger.error(f"Error during {method_name} save: {e}")
+            logger.error(traceback.format_exc())
+            results[method_name] = False
+    
+    # Test loading each saved model
+    for method_name, save_path in methods:
+        if not results[method_name]:
+            logger.info(f"Skipping load test for {method_name} (save failed)")
+            continue
+        
+        if method_name == "jit":
+            logger.info(f"Skipping load test for {method_name} (requires special loading)")
+            continue
+            
+        logger.info(f"Testing load from {save_path}")
+        try:
+            new_agent = Agent(state_size=state_size, action_size=action_size, hidden_size=hidden_size)
+            new_agent.load(save_path)
+            logger.info(f"Load successful for {method_name} save")
+        except Exception as e:
+            logger.error(f"Error loading from {method_name} save: {e}")
+            logger.error(traceback.format_exc())
+            results[method_name] += " (load failed)"
+    
+    # Return summary of results
+    return results
+
+def main():
+    parser = argparse.ArgumentParser(description='Test model saving and loading')
+    parser.add_argument('--state_size', type=int, default=64, help='State size for test model')
+    parser.add_argument('--action_size', type=int, default=4, help='Action size for test model')
+    parser.add_argument('--hidden_size', type=int, default=384, help='Hidden size for test model')
+    parser.add_argument('--test_robust', action='store_true', help='Test all robust save methods')
+    args = parser.parse_args()
+    
+    logger.info("Starting model save/load test")
+    
+    if args.test_robust:
+        results = test_robust_save_methods(args.state_size, args.action_size, args.hidden_size)
+        logger.info(f"Robust save method results: {results}")
+    else:
+        success = test_save_load_cycle(args.state_size, args.action_size, args.hidden_size)
+        logger.info(f"Save/load cycle {'successful' if success else 'failed'}")
+    
+    logger.info("Test completed")
+
+if __name__ == "__main__":
+    main()