text: from flask_wtf import FlaskForm
  from wtforms import StringField, SubmitField, IntegerField
  from wtforms.validators import DataRequired
  
  
  class AddToOrderForm(FlaskForm):
      count = IntegerField('Число', validators=[DataRequired()])
      submit = SubmitField('', render_kw={'class': 'btn btn-default'})
  
  
  class FillOrderCredentials(FlaskForm):
      address = StringField(
          'Адрес',
          validators=[DataRequired()],
          render_kw={"class": "form-control"},
      )
      phone = StringField(
          'Телефон',
          validators=[DataRequired()],
          render_kw={"class": "form-control"},
      )
      city = StringField(
          'Город',
          validators=[DataRequired()],
          render_kw={"class": "form-control"},
      )
      postal_code = IntegerField(
          'Почтовый индекс',
          validators=[DataRequired()],
          render_kw={"class": "form-control"},
      )
      comment = StringField(
          'Комментарий к заказу',
          render_kw={"class": "form-control"},
      )
      submit = SubmitField(
          'Подтвердить',
          render_kw={"class": "btn btn-lg btn-primary btn-block"},
      )
  
  
  class ItemSearchForm(FlaskForm):
      search = StringField(validators=[DataRequired()])
      submit = SubmitField(
          'Поиск', render_kw={'class': 'btn btn-success btn-default'},
      )
  