Cleanup and MAINT plugin v0.1 🔌

front/plugins/maintenance/maintenance.py

@@ -0,0 +1,67 @@
+#!/usr/bin/env python
+# test script by running:
+# /home/pi/pialert/front/plugins/maintenance/maintenance.py 
+
+import os
+import pathlib
+import argparse
+import sys
+import hashlib
+import csv
+import sqlite3
+from io import StringIO
+from datetime import datetime
+from collections import deque
+
+sys.path.extend(["/home/pi/pialert/front/plugins", "/home/pi/pialert/pialert"])
+
+# pialert modules
+from plugin_helper import Plugin_Object, Plugin_Objects, decodeBase64
+from logger import mylog, append_line_to_file
+from helper import timeNowTZ, get_setting_value
+from const import logPath, pialertPath
+
+
+CUR_PATH = str(pathlib.Path(__file__).parent.resolve())
+LOG_FILE = os.path.join(CUR_PATH, 'script.log')
+RESULT_FILE = os.path.join(CUR_PATH, 'last_result.log')
+
+pluginName = 'MAINT'
+
+def main():
+
+    mylog('verbose', [f'[{pluginName}] In script'])    
+
+    MAINT_LOG_LENGTH = int(get_setting_value('MAINT_LOG_LENGTH'))
+
+    # Check if set
+    if MAINT_LOG_LENGTH != 0:
+
+        mylog('verbose', [f'[{pluginName}] Cleaning file'])   
+
+        logFile = logPath + "/pialert.log"
+
+        # Using a deque to efficiently keep the last N lines
+        lines_to_keep = deque(maxlen=MAINT_LOG_LENGTH)
+
+        with open(logFile, 'r') as file:
+            # Read lines from the file and store the last N lines
+            for line in file:
+                lines_to_keep.append(line)
+
+        with open(logFile, 'w') as file:
+            # Write the last N lines back to the file
+            file.writelines(lines_to_keep)
+            
+        mylog('verbose', [f'[{pluginName}] Cleanup finished'])      
+
+      
+
+    return 0
+
+
+#===============================================================================
+# BEGIN
+#===============================================================================
+if __name__ == '__main__':
+    main()