def freeze_all_but(self, n):
c = self.get_layer_groups()
for l in c:
set_trainable(l, False)
set_trainable(c[n], True)
def freeze(self):
c = self.get_layer_groups()
for l in c:
set_trainable(l, False)
def freeze_to(self, n):
c = self.get_layer_groups()
for l in c:
set_trainable(l, False)
for l in c[n:]:
set_trainable(l, True)
