def on_cambutton_clicked(self, widget):
currentcam = self.camselect.get_active_text()
camsfile = open('data/media/cameras.json', 'r')
camdata = json.load(camsfile)
for item in camdata:
if item['name'] == currentcam:
camurl = item['url']
break
image = urlopen(camurl)
loader = PixbufLoader()
loader.write(image.read())
loader.close()
self.camimage.set_from_pixbuf(loader.get_pixbuf())
