wtforms

class PostForm(Form):
    """
    Object, that could be rendered into html with hidden tag placed in order to CLRF protection.
    Contents post:
        - title (string): post's title, represented by <input type=text />
        - html (string): post's entry, represented by <textarea></textarea>
    """
    title = StringField("title", validators=[InputRequired()])
    html = TextAreaField("html", validators=[InputRequired()])
#   tags = StringField("tags", validators=[Regexp("[\w\s]*", message="Occasion arises while tried parse tag-list...")])


class RegForm(Form):
    """
    Object, that could be rendered into html with hidden tag placed in order to CLRF protection.
    Contents user reg. info:
        - mail (string): user's e-mail, represented by <input type=text />
        - pswd (string): user's password, represented by <input type=password />
        - brth (string): user's birthsday, represented by <input type=text />
        - about (string): user's additional info, represented by <textarea></textarea>
    """
    mail = StringField("mail", validators=[Email(), InputRequired()])
    pswd = PasswordField("pswd", validators=[InputRequired()])
    brth = DateField("brth", validators=[InputRequired()], format='%d/%m/%Y')
    about = TextAreaField("about")


class LoginForm(Form):
    """
    Object, that could be rendered into html with hidden tag placed in order to CLRF protection.
    Sign in form:
        - mail (string): user's e-mail, represented by <input type=text />
        - pswd (string): user's pswd, represented by <input type=password />
    """
    mail = StringField("mail", validators=[InputRequired()])
    pswd = StringField("pswd", validators=[InputRequired()])