Python graphene 模块，Float() 实例源码

def get_field_args(field):
    types = {
        str: graphene.String,
        bool: graphene.Boolean,
        int: graphene.Int,
        float: graphene.Float,
    }

    try:
        args = inspect.signature(field)
        result = {}
        for name, arg in args.parameters.items():
            if arg.default is not None:
                custom_type = types[type(arg.default)]
            else:
                custom_type = graphene.String

            result.update({name: custom_type()})
        return result
    except (KeyError, ValueError):
        return {}

def convert_form_field_to_float(field):
    return Float(description=field.help_text, required=field.required)

def test_should_auto_convert_duration():
    assert_conversion(models.DurationField, graphene.Float)

def test_should_float_convert_float():
    assert_conversion(models.FloatField, graphene.Float)

def test_should_float_convert_float():
    assert_conversion(forms.FloatField, graphene.Float)

def test_should_decimal_convert_float():
    assert_conversion(forms.DecimalField, graphene.Float)

def test_should_decimal_convert_float():
    assert_conversion(serializers.DecimalField, graphene.Float, max_digits=4, decimal_places=2)

def convert_ndb_float_property(ndb_prop, registry=None):
    return convert_ndb_scalar_property(Float, ndb_prop)

def testFloatProperty_shouldConvertToString(self):
        self.__assert_conversion(ndb.FloatProperty, graphene.Float)

def ASNFieldConvert(field, registry=None):
    return graphene.Float()

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