156 lines
5.1 KiB
Python
156 lines
5.1 KiB
Python
#!/usr/bin/env python3
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"""
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/UPI file processing scheduler.
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Runs polling loop every 30 minutes to process new files.
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"""
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import signal
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import time
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import sys
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from datetime import datetime
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from logging_config import get_logger, setup_logging
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from config import get_config
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from db import OracleConnector, Repository
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from sftp import SFTPClient, FileMonitor
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from processors import FileProcessor
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logger = get_logger(__name__)
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class Scheduler:
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"""Main scheduler for UPI file processing."""
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def __init__(self):
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self.config = get_config()
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self.config.validate()
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self.running = True
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self.cycle_count = 0
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signal.signal(signal.SIGTERM, self._signal_handler)
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signal.signal(signal.SIGINT, self._signal_handler)
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def _signal_handler(self, signum, frame):
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logger.info(f"Received signal {signum}, shutting down gracefully...")
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self.running = False
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def initialize_database(self):
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try:
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connector = OracleConnector()
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if connector.test_connection():
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logger.info("Database connection test passed")
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repository = Repository()
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return True
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else:
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logger.error("Database connection test failed")
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return False
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except SystemExit as e:
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logger.error(f"Database initialization failed: {e}")
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raise
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except Exception as e:
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logger.error(f"Error initializing database: {e}", exc_info=True)
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return False
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def run_processing_cycle(self):
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self.cycle_count += 1
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logger.info(f"=== Starting processing cycle {self.cycle_count} ===")
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sftp_client = SFTPClient()
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repository = Repository()
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try:
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if not sftp_client.connect():
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logger.error("Failed to connect to SFTP server")
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return
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monitor = FileMonitor(sftp_client)
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new_files = []
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today_str = datetime.now().strftime("%d%m%Y")
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logger.info(f"listing file for {today_str}")
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for bank_code in self.config.bank_codes:
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bank_processed = repository.get_processed_files(bank_code)
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remote_path = f"{self.config.sftp_base_path}/{bank_code}/UPI"
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pattern = f"*_{today_str}_*_UPI.txt.gz"
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files = sftp_client.list_files(remote_path, pattern=pattern)
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for filename in files:
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if filename not in bank_processed:
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full_path = f"{remote_path}/{filename}"
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new_files.append((filename, bank_code, full_path))
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logger.info(f"Found new file: {filename} (bank: {bank_code})")
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else:
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logger.debug(f"Skipping already processed file for {bank_code}: {filename}")
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if not new_files:
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logger.info("No new files to process")
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return
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logger.info(f"Found {len(new_files)} new files to process")
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processor = FileProcessor(repository, sftp_client)
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stats = processor.process_files(new_files)
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logger.info(f"Cycle {self.cycle_count} complete:")
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logger.info(f" Total files: {stats['total']}")
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logger.info(f" Successful: {stats['successful']}")
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logger.info(f" Failed: {stats['failed']}")
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# FIXED INDENTATION BLOCK
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if stats['successful'] > 0:
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logger.info("Calling upi_api_txn_post procedure for all inserted transactions...")
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if repository.call_upi_api_txn_post():
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logger.info("Transaction post-processing completed successfully")
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else:
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logger.error("Transaction post-processing failed")
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except Exception as e:
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logger.error(f"Error in processing cycle: {e}", exc_info=True)
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finally:
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sftp_client.disconnect()
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def run(self):
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logger.info("=" * 80)
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logger.info("UPI_INWARD File Processing Scheduler Started")
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logger.info(f"Poll Interval: {self.config.poll_interval_minutes} minutes")
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logger.info(f"Bank Codes: {', '.join(self.config.bank_codes)}")
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logger.info("=" * 80)
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try:
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if not self.initialize_database():
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logger.error("Failed to initialize database. Exiting.")
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return
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except SystemExit as e:
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logger.error(f"Fatal error: {e}")
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raise
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poll_interval_seconds = self.config.poll_interval_minutes * 60
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while self.running:
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try:
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self.run_processing_cycle()
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except Exception as e:
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logger.error(f"Unexpected error in processing cycle: {e}", exc_info=True)
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if self.running:
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logger.info(f"Waiting {self.config.poll_interval_minutes} minutes until next cycle...")
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time.sleep(poll_interval_seconds)
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logger.info("Scheduler shutdown complete")
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def main():
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setup_logging()
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scheduler = Scheduler()
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scheduler.run()
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if __name__ == '__main__':
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main()
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