detect new or modified files with python

Question

I'm trying to detect when a new file is created a directory or when an existing file is modified in a directory. I tried searching for a script that would do this (preferably in python or bash) but came up short. My environment is linux with Python 2.6 Related Question

Accepted Answer

You can use `gio` which is the Filesystem part of GLib (In GLib's python bindings)

```
import gio

def directory_changed(monitor, file1, file2, evt_type):
   if (evt_type in (gio.FILE_MONITOR_EVENT_CREATED,
       gio.FILE_MONITOR_EVENT_DELETED)):
       print "Changed:", file1, file2, evt_type

gfile = gio.File(".")
monitor = gfile.monitor_directory(gio.FILE_MONITOR_NONE, None)
monitor.connect("changed", directory_changed)
```

however, your program must be running a GLib mainloop for the events to arrive. One quick way to test that is by using:

```
import glib
ml = glib.MainLoop()
ml.run()
```

GLib is a high-level library which is well suited for Applications. You don't have to care about which underlying system it uses for the file monitoring.

I now see you use Fedora Core 2. Really version 2? That might be too old to use GIO in GLib. Pyinotify that has been mentioned might be a better solution, although less portable.

detect new or modified files with python

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