Define fields programmatically in Marshmallow Schema

Question

Say I have a Schema like this:

class MySchema(Schema):

    field_1 = Float()
    field_2 = Float()
    ...
    field_42 = Float()

Is there a w

Answer 1

The class Meta paradigm allows you to specify which attributes you want to serialize. Marshmallow will choose an appropriate field type based on the attribute’s type.

class MySchema(Schema):
    class Meta:
        fields = ('field_1', 'field_2', ..., 'field_42')
    ...

Refactoring: Implicit Field Creation