52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
# -*- coding: utf-8 -*-
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import pure as mmp
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import os
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from log import Loggable
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from exceptions import CouldNotCreateIndexFile
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from ..saas.thread import InstanceInheritingThread
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class Toucher(Loggable):
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"""
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Class responsible for touching a file at a certain path when called
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"""
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def __init__(self,path):
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self.path = path
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def __call__(self):
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try: mmp.fondle(self.path)
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except Exception as e:
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self.logger.info("Failed to touch file: '%s'. Logging exception." %
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self.path)
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self.logger.info(str(e))
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import time
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class RepeatTimer(InstanceInheritingThread):
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def __init__(self, interval, callable, *args, **kwargs):
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super(RepeatTimer, self).__init__()
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self.interval = interval
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self.callable = callable
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self.args = args
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self.kwargs = kwargs
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def run(self):
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while True:
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time.sleep(self.interval)
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self.callable(*self.args, **self.kwargs)
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class ToucherThread(Loggable):
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""" Creates a thread that touches a file 'path' every 'interval'
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seconds """
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def __init__(self, path, interval=5):
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if not os.path.exists(path):
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try:
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# TODO : rewrite using with?
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f = open(path,'w')
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f.write('')
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f.close()
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except Exception as e:
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raise CouldNotCreateIndexFile(path,e)
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cb = Toucher(path)
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t = RepeatTimer(interval, cb)
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t.daemon = True # thread terminates once process is done
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t.start()
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