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82 lines
2.5 KiB
Python
82 lines
2.5 KiB
Python
import os
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from datetime import timedelta
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from watchdog.observers import Observer
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from watchdog.events import FileSystemEventHandler
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from endpoints.scan import scan_platforms
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from logger.logger import log
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from tasks.utils import tasks_scheduler
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from config import (
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LIBRARY_BASE_PATH,
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ENABLE_RESCAN_ON_FILESYSTEM_CHANGE,
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RESCAN_ON_FILESYSTEM_CHANGE_DELAY,
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)
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from config.config_loader import config
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path = (
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config.HIGH_PRIO_STRUCTURE_PATH
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if os.path.exists(config.HIGH_PRIO_STRUCTURE_PATH)
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else LIBRARY_BASE_PATH
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)
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class EventHandler(FileSystemEventHandler):
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def on_any_event(self, event):
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if not ENABLE_RESCAN_ON_FILESYSTEM_CHANGE:
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return
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# Ignore .DS_Store files
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if event.src_path.endswith(".DS_Store"):
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return
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# Ignore modified events
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if event.event_type == "modified":
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return
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event_src = event.src_path.split(path)[-1]
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platform_slug = event_src.split("/")[1]
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log.info(f"Filesystem event: {event.event_type} {event_src}")
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# Skip if a scan is already scheduled
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for job in tasks_scheduler.get_jobs():
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if job.func_name == "endpoints.scan.scan_platforms":
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if job.args[0] == []:
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log.info("Full rescan already scheduled")
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return
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if platform_slug in job.args[0]:
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log.info(f"Scan already scheduled for {platform_slug}")
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return
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time_delta = timedelta(minutes=RESCAN_ON_FILESYSTEM_CHANGE_DELAY)
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rescan_in_msg = f"rescanning in {RESCAN_ON_FILESYSTEM_CHANGE_DELAY} minutes."
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# Any change to a platform directory should trigger a full rescan
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if event.is_directory and event_src.count("/") == 1:
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log.info(f"Platform directory changed, {rescan_in_msg}")
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tasks_scheduler.enqueue_in(time_delta, scan_platforms, [])
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else:
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# Otherwise trigger a rescan for the specific platform
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log.info(f"Change detected in {platform_slug} folder, {rescan_in_msg}")
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return tasks_scheduler.enqueue_in(
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time_delta, scan_platforms, [platform_slug]
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)
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if __name__ == "__main__":
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observer = Observer()
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observer.schedule(EventHandler(), path, recursive=True)
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observer.start()
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log.info(f"Watching {path} for changes")
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try:
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while observer.is_alive():
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observer.join(1)
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finally:
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observer.stop()
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observer.join()
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