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[英]how to serialize time with timezone in django-rest-framework's serializer?
[英]How to pass arguments to a Serializer in django-rest-framework?
我有一個序列化器為:
class DataSerializer(serializers.Serializer):
skip_place = True
name = serializers.CharField(max_length=None)
place = serializers.CharField(max_length=None,required=False)
def validate_place(self,value):
if not skip_place and len(value)<=0:
raise serializers.ValidationError("Place is required.")
現在觀察skip_place
。 如果我將DataSerializer
實例稱為:
DataSerializer(data=data, skip_place=False)
然后,它應在確認place
在代碼中。
但是我無法傳遞參數skip_place=True
。 我收到一個錯誤: TypeError: __init__() got an unexpected keyword argument 'skip_place'
您可以在發送時附帶其他上下文 。
鑒於
DataSerializer(data=data, context={'skip_place': True}) # or False
在序列化器中;
class DataSerializer(serializers.Serializer):
name = serializers.CharField(max_length=None)
place = serializers.CharField(max_length=None,required=False)
def validate_place(self,value):
skip_place = self.context.get("skip_place") # <- here we use self.context to get extra args
if not skip_place and len(value)<=0:
raise serializers.ValidationError("Place is required.")
您好您可以覆蓋序列化器的init方法,從那里彈出值,然后分配給變量。
class DataSerializer(serializers.Serializer):
skip_place = True
name = serializers.CharField(max_length=None)
place = serializers.CharField(max_length=None,required=False)
def __init__(self, *args, **kwargs):
self.skip_place = kwargs.pop('skip_place ', False)
super().__init__(*args, **kwargs)
def validate_place(self,value):
if not self.skip_place and len(value)<=0:
raise serializers.ValidationError("Place is required.")
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