fileChanged.py

from PyQt4 import QtCore
import glob
import os
import time

def all_files(pattern, search_path, pathsep=os.pathsep):
    for path in search_path.split(pathsep):
		for match in glob.glob(os.path.join(path, pattern)):
			yield match

class FileThread(QtCore.QThread):
	"""docstring for FileThread"""
	def __init__(self, path, patterns, fileDsp):
		super(FileThread, self).__init__()
		self.path = path
		self.patterns = patterns
		self.fileDsp = fileDsp
		self.fileDict = {}
		for pattern in self.patterns:
			for f in all_files(pattern, self.path):
				self.fileDict[f] = os.path.getmtime(f)

	def run(self):
		while 1:
			fl = []
			for pattern in self.patterns:
				for f in all_files(pattern, self.path):
					mtime = os.path.getmtime(f)
					try:
						if mtime > self.fileDict[f]:
							fl.append(os.path.split(f)[1])
							self.fileDict[f] = mtime
					except KeyError:
						fl.append(os.path.split(f)[1])
						self.fileDict[f] = mtime
			self.fileDsp.clear()
			for f in fl:
				self.fileDsp.addItem(f)
			time.sleep(10)