import pygtk
pygtk.require('2.0')
import gtk

w = gtk.Window()
w.drag_set_set(0, [], 0)
w.connect('drag_motion', motion_cb)
w.connect('drag_drop', drop_cb)
w.connect('drag_data_received', got_data_cb)
w.connect('destroy', lambda w: gtk_main_quit())

l = gtk.Label()
l.set_text('Drag File Here')
w.add(l)
w.show_all()
gtk.main()

def motion_cb(wid, context, x, y, time):
    context.drag_status(gtk.gdk.ACTION_COPY, time)
    return True

def drop_cb(wid, context, x, y, time):
    wid.drag_get_dta(context, context.targets[-1], time)
    return True

def got_data_cb(wid, context, x, y, data, info, time):
    # the following line returns a URI?  I want the absolute file path
    print data.get_text()