def validate(self, attrs):
if attrs["input"] == attrs["output"]:
raise serializers.ValidationError("Invalid io mode")
for item in (attrs["input"], attrs["output"]):
if not re.match("^[a-zA-Z0-9.]+$", item):
raise serializers.ValidationError("Invalid io file name format")
return attrs
def validate(self, data):
input_data = data
data["username"] = data["username"].lower()
data["email"] = data["email"].lower()
if User.objects.filter(username=data["username"]).exists():
raise serializers.ValidationError("Username already exists")
if User.objects.filter(email=data["email"]).exists():
raise serializers.ValidationError("Email already exists")
return input_data