forms.py

from flask_wtf import Form
from wtforms import StringField, PasswordField, SubmitField
from wtforms.validators import DataRequired, Email, Length


class SignupForm(Form):
    first_name = StringField(
        'First name',
        validators=[DataRequired("Please enter your first name")])
    last_name = StringField(
        'Last name',
        validators=[DataRequired("Please enter your last name.")])
    email = StringField(
        'Email',
        validators=[
            DataRequired("Please enter your email address"),
            Email("Please enter your email address")])
    password = PasswordField(
        'Password',
        validators=[
            DataRequired("Please enter a password"),
            Length(min=6, message="Password must be 6 chars or more.")])
    submit = SubmitField('Sign up')


class LoginForm(Form):
    email = StringField(
        'Email',
        validators=[
            DataRequired("Please enter your email address"),
            Email("Please enter your email address")])
    password = PasswordField(
        'Password',
        validators=[DataRequired("Please enter a password")])
    submit = SubmitField('Sign in')


class AddressForm(Form):
    address = StringField(
        'Address',
        validators=[DataRequired("Please enter an address")])
    submit = SubmitField("Search")