1. import re
  3. def extract_log_values(log_file_path):
  4. """
  5. Extracts specific values from a log file.
  6. """
  7. try:
  8. with open(log_file_path, 'r') as f:
  9. log_data = f.read()
  10. except FileNotFoundError:
  11. return "Error: Log file not found."
  13. # Define regex patterns for values to extract. Adjust as needed.
  14. patterns = {
  15. "error_count": r"ERROR: (.*?)", # Extract error counts
  16. "warning_count": r"WARNING: (.*?)", #Extract warning counts
  17. "timestamp": r"(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2})", #Extract timestamps
  18. "ip_address": r"(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})", #Extract ip addresses
  19. }
  21. extracted_values = {}
  22. for key, pattern in patterns.items():
  23. match = re.search(pattern, log_data)
  24. if match:
  25. extracted_values[key] = match.group(1).strip() # Extract the matched value and remove whitespace
  26. else:
  27. extracted_values[key] = "Not found"
  29. return extracted_values
  31. if __name__ == '__main__':
  32. # Example usage:
  33. log_file = "example.log" # Replace with your log file path
  34. values = extract_log_values(log_file)
  35. print(values)

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