Replace loguru with standard logging module

Author: vmehtacode

src/fyp/selfplay/proposer.py

@@ -6,18 +6,20 @@
 """
 
 import json
+import logging
 import random
 from dataclasses import dataclass, field
 from datetime import datetime
 
 import numpy as np
-from loguru import logger
 
 from fyp.selfplay.utils import (
     apply_scenario_transformation,
     estimate_scenario_difficulty,
 )
 
+logger = logging.getLogger(__name__)
+
 
 @dataclass
 class ScenarioProposal:

src/fyp/selfplay/solver.py

@@ -4,18 +4,11 @@
 data and proposed scenarios, using the PatchTST architecture with quantile regression.
 """
 
+import logging
 import os
 from typing import Any
 
 import numpy as np
-from loguru import logger
-
-# Lazy import torch to avoid dependency issues during testing
-try:
-    import torch
-except ImportError:
-    torch = None
-    logger.warning("PyTorch not available. Some solver functionality will be limited.")
 
 from fyp.data_loader import EnergyDataLoader
 from fyp.selfplay.proposer import ScenarioProposal
@@ -24,6 +17,15 @@
     create_sliding_windows,
 )
 
+logger = logging.getLogger(__name__)
+
+# Lazy import torch to avoid dependency issues during testing
+try:
+    import torch
+except ImportError:
+    torch = None
+    logger.warning("PyTorch not available. Some solver functionality will be limited.")
+
 # Lazy import PatchTST to avoid torch dependency
 try:
     from fyp.models.patchtst import PatchTSTForecaster, create_patchtst_config

src/fyp/selfplay/trainer.py

@@ -6,13 +6,13 @@
 """
 
 import json
+import logging
 import os
 import time
 from datetime import datetime
 from typing import Any
 
 import numpy as np
-from loguru import logger
 from tqdm import tqdm
 
 from fyp.data_loader import EnergyDataLoader
@@ -22,6 +22,8 @@
 from fyp.selfplay.utils import create_sliding_windows
 from fyp.selfplay.verifier import VerifierAgent
 
+logger = logging.getLogger(__name__)
+
 
 class SelfPlayTrainer:
     """Orchestrates propose→solve→verify self-play training loop."""

src/fyp/selfplay/utils.py

@@ -1,9 +1,11 @@
 """Utility functions for self-play training system."""
 
+import logging
 
 import numpy as np
 import pandas as pd
-from loguru import logger
+
+logger = logging.getLogger(__name__)
 
 
 def create_sliding_windows(

src/fyp/selfplay/verifier.py

@@ -6,11 +6,13 @@
 """
 
 import json
+import logging
 from abc import ABC, abstractmethod
 from typing import TYPE_CHECKING, Optional
 
 import numpy as np
-from loguru import logger
+
+logger = logging.getLogger(__name__)
 
 if TYPE_CHECKING:
     from fyp.selfplay.proposer import ScenarioProposal