mirror of
https://github.com/avatao-content/baseimage-tutorial-framework
synced 2024-11-06 03:11:20 +00:00
79 lines
2.2 KiB
Python
79 lines
2.2 KiB
Python
from watchdog.observers import Observer
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from watchdog.events import FileSystemEventHandler as FileSystemWatchdogEventHandler
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from functools import wraps
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from tfw.networking.event_handlers.server_connector import ServerUplinkConnector
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from tfw.components.decorators import RateLimiter
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from tfw.config.logs import logging
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log = logging.getLogger(__name__)
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class DirectoryMonitor:
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def __init__(self, directory):
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self.observer = Observer()
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self.eventhandler = WebideReloadWatchdogEventHandler()
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self.observer.schedule(self.eventhandler, directory, recursive=True)
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self.pause, self.resume = self.eventhandler.pause, self.eventhandler.resume
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def watch(self):
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self.observer.start()
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def stop(self):
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self.observer.stop()
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self.observer.join()
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@property
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def ignore(self):
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return self.eventhandler.ignore
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@ignore.setter
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def ignore(self, value):
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self.eventhandler.ignore = value if value >= 0 else 0
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@property
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def pauser(self):
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return DirectoryMonitor.Pauser(self)
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class Pauser:
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def __init__(self, directory_monitor):
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self.directorymonitor = directory_monitor
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def __enter__(self):
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self.directorymonitor.pause()
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def __exit__(self, exc_type, exc_val, exc_tb):
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self.directorymonitor.resume()
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class WebideReloadWatchdogEventHandler(FileSystemWatchdogEventHandler):
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def __init__(self):
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super().__init__()
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self.uplink = ServerUplinkConnector()
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self._paused = False
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self.ignore = 0
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def pause(self):
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self._paused = True
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def resume(self):
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self._paused = False
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@RateLimiter(rate_per_second=2)
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def on_modified(self, event):
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if self._paused: return
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if self.ignore > 0:
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self.ignore = self.ignore - 1
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return
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log.debug(event)
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key = 'webide'
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self.uplink.send(key, {'data': {'command': 'reload'}})
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def with_monitor_paused(fun):
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@wraps(fun)
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def wrapper(self, *args, **kwargs):
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if self.monitor:
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with self.monitor.pauser:
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return fun(self, *args, **kwargs)
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return fun(self, *args, **kwargs)
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return wrapper
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