def __setitem__(self, field_name, value):
if fofu.is_frame_number(field_name) and (self.media_type == "video"):
self.frames[field_name] = value
return
self._secure_media(field_name, value)
self.set_field(field_name, value=value)
def __getitem__(self, field_name):
if fofu.is_frame_number(field_name) and self.media_type == fomm.VIDEO:
return self.frames[field_name]
if field_name == "frames" and self.media_type == fomm.VIDEO:
return self._frames._serve(self)
try:
return self.get_field(field_name)
except AttributeError:
raise KeyError("%s has no field '%s'" %
(self.__class__.__name__, field_name))
def validate(self, value):
try:
fofu.is_frame_number(value)
except fofu.FrameError as e:
self.error(str(e))