Enable DTZ005: add timezone to datetime.now() calls

PYTHON/randomJPG/generateJpeg.py

@@ -1,7 +1,7 @@
 """Generate random colorful JPEG images with configurable parameters."""
 
 import argparse
-from datetime import datetime
+from datetime import datetime, timezone
 import logging
 import os
 import random
@@ -125,7 +125,7 @@ if __name__ == "__main__":
     args = parser.parse_args()
 
     # Create folder named after the current timestamp
-    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+    timestamp = datetime.now(tz=timezone.utc).strftime("%Y%m%d_%H%M%S")
     folder = f"generated_images_{timestamp}"
 
     # Display used parameters

PYTHON/screen_locker/screen_lock.py

@@ -4,7 +4,7 @@
 Requires user to log their workout to unlock the screen.
 """
 
-from datetime import datetime
+from datetime import datetime, timezone
 import json
 import logging
 import os
@@ -635,7 +635,7 @@ class ScreenLocker:
             with open(self.log_file) as f:
                 logs = json.load(f)
 
-            today = datetime.now().strftime("%Y-%m-%d")
+            today = datetime.now(tz=timezone.utc).strftime("%Y-%m-%d")
             return today in logs
         except (OSError, json.JSONDecodeError):
             return False
@@ -652,9 +652,9 @@ class ScreenLocker:
                 logs = {}
 
         # Add today's workout
-        today = datetime.now().strftime("%Y-%m-%d")
+        today = datetime.now(tz=timezone.utc).strftime("%Y-%m-%d")
         logs[today] = {
-            "timestamp": datetime.now().isoformat(),
+            "timestamp": datetime.now(tz=timezone.utc).isoformat(),
             "workout_data": self.workout_data,
         }
 

pyproject.toml

@@ -61,7 +61,6 @@ ignore = [
     "S311",    # suspicious-non-cryptographic-random - not security critical
     "S310",    # suspicious-url-open - acceptable for scripts
     "S110",    # try-except-pass - common pattern in scripts
-    "DTZ005",  # datetime.now without tz - acceptable for local scripts
     "PERF401", # manual-list-comprehension - style preference
     "RUF005",  # collection-literal-concatenation - style preference
     "SIM102",  # collapsible-if - style preference