QFileSystemWatcher working outside a class but not inside

Goffer

Hello community,

I've tried the QFileSystemWatcher a while ago and it worked great, today I was trying to use it inside a class but it doesn't seem to work.

working version:

def change():
    print 'file changed'

paths = [mypath1]
fs_watcher = QtCore.QFileSystemWatcher(paths)
fs_watcher.fileChanged.connect(change)

If I run this directly inside my interpreter, it works fine and prints whenever I change the file. The next example is not working when the logic is exactly the same :

class Test(object):
    def __init__(self, paths):
        super(Test, self).__init__()

        self.paths = paths

        fs_watcher = QtCore.QFileSystemWatcher(self.paths)
        fs_watcher.fileChanged.connect(self._new_notification)

    def _new_notification(self, path):

        print 'file changed'

Test(paths=[mypath1])

Am I doing something wrong ?

Thx !

SGaist

Hi,

The scope of your ``fs_watcher object is the __init__ method, it disappears at the end of it. You have to make it a member object like the paths object.