Add log cleanup function (15-day deletion) and archive documentation
- Added cleanup_old_logs() function to app_v3_simplified.py - Deletes log.txt if older than 15 days at app startup - Sends notification to monitoring server when cleanup occurs - Archived all legacy modules and documentation to oldcode/ - Updated device_info.txt with correct IP (192.168.1.104) - All changes validated and tested
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RPI User
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oldcode/rfid_module.py
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214
oldcode/rfid_module.py
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"""
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RFID reader initialization and handling using RDM6300 library
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Extends rdm6300.BaseReader to handle card events (insert/remove)
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and integrate with batch logging system
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"""
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import logging
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import time
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from config_settings import SERIAL_DEVICES, CONFIG_CARD_ID, DEVICE_INFO_FILE
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from logger_module import log_with_server
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from logger_batch_module import queue_log_message
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from led_module import led_blink_pattern, led_on, led_off
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class RFIDReaderHandler:
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"""Custom RFID Reader extending rdm6300.BaseReader for event handling"""
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def __init__(self, device_hostname, device_ip):
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"""Initialize the reader handler"""
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self.device_hostname = device_hostname
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self.device_ip = device_ip
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self.reader = None
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def card_inserted(self, card):
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"""Handle RFID card insertion event"""
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try:
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logging.info(f"🔴 CARD INSERTED EVENT TRIGGERED - Card ID: {card.value}")
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print(f"🔴 CARD INSERTED - ID: {card.value}")
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# Special handling for config card
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if card.value == CONFIG_CARD_ID:
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logging.info(f"Config card detected: {card.value}")
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queue_log_message("CONFIG_CARD_DETECTED", self.device_hostname, self.device_ip)
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return
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# Log card insertion
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timestamp = time.strftime("%Y-%m-%d %H:%M:%S")
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msg = f"Card inserted - ID: {card.value}"
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logging.info(msg)
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print(f"✓ Logging card insertion: {msg}")
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queue_log_message(msg, self.device_hostname, self.device_ip)
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# LED feedback: turn LED on when card is detected
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try:
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logging.info("🟢 Turning LED ON")
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led_on()
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print("✓ LED turned ON")
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except Exception as e:
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logging.debug(f"Could not control LED: {e}")
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except Exception as e:
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logging.error(f"Error handling card insertion: {e}")
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print(f"✗ Error in card_inserted: {e}")
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def card_removed(self, card):
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"""Handle RFID card removal event"""
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try:
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logging.info(f"⚪ CARD REMOVED EVENT TRIGGERED - Card ID: {card.value}")
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print(f"⚪ CARD REMOVED - ID: {card.value}")
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# Special handling for config card
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if card.value == CONFIG_CARD_ID:
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logging.info(f"Config card removed: {card.value}")
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queue_log_message("CONFIG_CARD_REMOVED", self.device_hostname, self.device_ip)
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return
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# Log card removal
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timestamp = time.strftime("%Y-%m-%d %H:%M:%S")
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msg = f"Card removed - ID: {card.value}"
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logging.info(msg)
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print(f"✓ Logging card removal: {msg}")
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queue_log_message(msg, self.device_hostname, self.device_ip)
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# LED feedback: turn LED off when card is removed
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try:
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logging.info("⚫ Turning LED OFF")
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led_off()
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print("✓ LED turned OFF")
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except Exception as e:
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logging.debug(f"Could not control LED: {e}")
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except Exception as e:
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logging.error(f"Error handling card removal: {e}")
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print(f"✗ Error in card_removed: {e}")
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def initialize_rfid_reader(device_hostname=None, device_ip=None):
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"""
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Initialize RFID reader with RDM6300 library and multiple device attempts
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Args:
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device_hostname: Device hostname for logging
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device_ip: Device IP for logging
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Returns:
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Reader object or None if initialization fails
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"""
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try:
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from rdm6300 import BaseReader
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except ImportError:
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logging.error("✗ rdm6300 module not installed")
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print("✗ rdm6300 module not installed")
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log_with_server("ERROR: rdm6300 not installed", device_hostname, device_ip)
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return None
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logging.info("Initializing RFID reader with RDM6300...")
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print("Initializing RFID reader...")
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# Create handler for card events
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handler = RFIDReaderHandler(device_hostname or "unknown", device_ip or "0.0.0.0")
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for device in SERIAL_DEVICES:
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try:
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logging.info(f"Attempting to initialize RFID reader on {device}...")
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print(f"Attempting to initialize RFID reader on {device}...")
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# Create custom reader class that extends BaseReader
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class CustomReader(BaseReader):
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def card_inserted(self, card):
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logging.debug(f"[CustomReader] card_inserted called with card ID: {card.value}")
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handler.card_inserted(card)
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def card_removed(self, card):
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logging.debug(f"[CustomReader] card_removed called with card ID: {card.value}")
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handler.card_removed(card)
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# Initialize reader
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logging.debug(f"Creating reader object for {device}...")
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reader = CustomReader(device)
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logging.debug(f"Reader object created, attempting to start listening on {device}...")
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print(f"Reader created, starting to listen on {device}...")
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# Start reader in non-blocking way with timeout detection
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import threading
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reader_started = threading.Event()
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reader_error = [None]
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def start_reader():
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try:
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logging.info(f"[Reader Thread] Starting reader on {device}")
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# This will block, listening for RFID cards
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reader.start()
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reader_started.set()
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except Exception as e:
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reader_error[0] = e
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logging.error(f"[Reader Thread] Error: {e}")
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reader_started.set()
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# Start reader in a NON-DAEMON thread so it keeps running
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# The reader runs indefinitely listening for cards
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reader_thread = threading.Thread(target=start_reader, daemon=False, name="RFIDReaderThread")
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reader_thread.start()
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logging.info(f"RFID reader thread started (thread name: {reader_thread.name})")
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# Wait up to 2 seconds to see if reader starts without error
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if not reader_started.wait(timeout=2):
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# Still trying, this is normal - reader is listening
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logging.info(f"Reader listening on {device} (waiting for cards...)")
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print(f"Reader listening on {device}")
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elif reader_error[0]:
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# Error occurred
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raise reader_error[0]
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# If we get here, reader is listening successfully
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logging.info(f"✓ RFID reader successfully initialized on {device}")
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print(f"✓ RFID reader successfully initialized on {device}")
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log_with_server(f"RFID reader started on {device}", device_hostname, device_ip)
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# LED feedback: 3 x 0.5 second blinks to indicate successful initialization
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try:
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logging.info("LED feedback: 3 blinks for successful RFID initialization")
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led_blink_pattern(3, 0.5)
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except Exception as e:
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logging.debug(f"Could not execute LED blink: {e}")
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return reader
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except FileNotFoundError as e:
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logging.warning(f"✗ Device {device} not found: {e}")
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print(f"✗ Device {device} not found")
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continue
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except PermissionError as e:
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logging.warning(f"✗ Permission denied for {device}: {e}")
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print(f"✗ Permission denied for {device}")
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print(f" Hint: Try adding user to dialout group: sudo usermod -a -G dialout $USER")
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continue
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except OSError as e:
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logging.warning(f"✗ OS Error on {device}: {e}")
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print(f"✗ OS Error on {device}: {e}")
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if "could not open port" in str(e).lower():
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print(f" Hint: Serial port already in use or not accessible")
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elif "permission denied" in str(e).lower():
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print(f" Hint: Permission denied - check user groups")
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continue
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except Exception as e:
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logging.warning(f"✗ Failed to initialize on {device}: {type(e).__name__}: {e}")
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print(f"✗ Failed to initialize on {device}: {type(e).__name__}: {e}")
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continue
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# If we get here, all devices failed
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logging.error("✗ Could not initialize RFID reader on any device")
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print("✗ Could not initialize RFID reader on any device")
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print("Available solutions:")
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print(" 1. Check hardware connections")
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print(" 2. Enable UART: sudo raspi-config -> Interface Options -> Serial")
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print(" 3. Add user to dialout group: sudo usermod -a -G dialout $USER")
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print(" 4. Reboot the system after making changes")
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log_with_server("ERROR: RFID reader initialization failed on all devices", device_hostname, device_ip)
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return None
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