Method __init__

django/contrib/auth/forms.py:229–234

(self, *args, **kwargs)

        field_classes = {"username": UsernameField}

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        if self._meta.model.USERNAME_FIELD in self.fields:
            self.fields[self._meta.model.USERNAME_FIELD].widget.attrs[
                "autofocus"
            ] = True

    def clean(self):
        self.validate_passwords()