InputRequired & DataRequired validators on same field

[0xbart]

Hi there, I hope one of you can help me with the strange following question.

First of all, I've create a Model with SQLAlchemy:
(Note that the BaseModel is my BaseModel with a UUID included.

class Company(BaseModel):
    reseller = Column(UUIDType(), ForeignKey('company.uuid'))
    name = Column(VARCHAR(500), unique=True, nullable=False)

The next step is to create the actual Form.

class CompanyForm(ModelForm):
    class Meta:
        model = Company

After that, I wanna debug what kind of validators there are active on the name column:

c = CompanyForm()
print(c.name.validators)

# [<wtforms.validators.InputRequired object at 0x1068455e0>, <wtforms.validators.DataRequired object at 0x106845640>, <wtforms.validators.Length object at 0x1067bc130>, <wtforms_alchemy.validators.Unique object at 0x1067bc550>]

The next step is to call the form in the Rest API incoming response with the data given to the object. But InputRequired / DataRequired always validate to False.

# When using -D (curl) the DataRequired() is successfully, but the InputRequired failed
➜  ~ curl -XPUT -d '{"name": "bart"}' -H 'Content-Type: application/json' http://localhost:5000/api/v1/company/

# When using -F the InputRequired is sucessfully, but the dataRequired failed.
➜  ~ curl -XPUT -F "name=bart" http://localhost:5000/api/v1/company/                                           

Removing the nullable=False will fixed this problem. Is there someone who can help me? :-)

[0xbart]

This works:

Create BaseForm and bypass InputRequired() from Meta class:

class BaseForm(ModelForm):
    class Meta:
        not_null_validator_type_map = ClassMap(
            [(String, [validators.DataRequired()])]
        )