mirror of
https://github.com/rommapp/romm.git
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122 lines
3.6 KiB
Python
122 lines
3.6 KiB
Python
import os
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from datetime import timedelta
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import sentry_sdk
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from config import (
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ENABLE_RESCAN_ON_FILESYSTEM_CHANGE,
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LIBRARY_BASE_PATH,
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RESCAN_ON_FILESYSTEM_CHANGE_DELAY,
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SENTRY_DSN,
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)
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from config.config_manager import config_manager as cm
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from endpoints.sockets.scan import scan_platforms
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from handler.database import db_platform_handler
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from handler.scan_handler import ScanType
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from logger.formatter import CYAN
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from logger.formatter import highlight as hl
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from logger.logger import log
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from rq.job import Job
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from tasks.tasks import tasks_scheduler
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from utils import get_version
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from watchdog.events import (
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DirCreatedEvent,
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DirDeletedEvent,
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FileCreatedEvent,
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FileDeletedEvent,
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FileSystemEvent,
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FileSystemEventHandler,
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FileSystemMovedEvent,
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)
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from watchdog.observers import Observer
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sentry_sdk.init(
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dsn=SENTRY_DSN,
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release=f"romm@{get_version()}",
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)
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path = (
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cm.get_config().HIGH_PRIO_STRUCTURE_PATH
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if os.path.exists(cm.get_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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"""Filesystem event handler"""
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def on_any_event(self, event: FileSystemEvent) -> None:
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"""Catch-all event handler.
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Args:
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event: The event object representing the file system event.
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"""
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if not ENABLE_RESCAN_ON_FILESYSTEM_CHANGE:
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return
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src_path = os.fsdecode(event.src_path)
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# Ignore .DS_Store files
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if src_path.endswith(".DS_Store"):
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return
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event_src = src_path.split(path)[-1]
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fs_slug = event_src.split("/")[1]
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db_platform = db_platform_handler.get_platform_by_fs_slug(fs_slug)
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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 isinstance(job, Job):
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if job.func_name == "endpoints.sockets.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 db_platform and db_platform.id in job.args[0]:
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log.info(f"Scan already scheduled for {hl(fs_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 {hl(str(RESCAN_ON_FILESYSTEM_CHANGE_DELAY), color=CYAN)} 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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elif db_platform:
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# Otherwise trigger a rescan for the specific platform
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log.info(f"Change detected in {hl(fs_slug)} folder, {rescan_in_msg}")
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tasks_scheduler.enqueue_in(
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time_delta,
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scan_platforms,
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[db_platform.id],
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scan_type=ScanType.QUICK,
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)
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if __name__ == "__main__":
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observer = Observer()
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observer.schedule(
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EventHandler(),
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path,
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recursive=True,
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event_filter=[
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DirCreatedEvent,
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DirDeletedEvent,
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FileCreatedEvent,
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FileDeletedEvent,
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FileSystemMovedEvent,
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],
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)
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observer.start()
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log.info(f"Watching {hl(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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