給模型類動態添加方法
阿新 • • 發佈:2017-09-22
pan models bject site def 添加 object django ret
想要在每個類上加個方法或者property,一種可以每個類下加,另一種如下
def get_test(self): return 1 from django.contrib.contenttypes.models import ContentType model_list = [‘CommonSite‘] # 或者也可以直接傳類對象,下面就不用ContentType了 for obj in model_list: # ContentType.objects.get(model=obj).model_class().__dict__.update(get_test=get_test) 這句報錯‘dictproxy‘ object does not support item assignment# ContentType.objects.get(model=obj).model_class().get_test=get_test setattr(ContentType.objects.get(model=obj).model_class(), ‘get_test‘, property(get_test)) # setattr(CommonSite, ‘get_test‘, property(get_test)) print CommonSite.__dict__ print CommonSite.get_test print CommonSite.objects.get(pk=1).get_test
給模型類動態添加方法