flask-script with wtforms

flask-script-wtforms.py

import sys
from werkzeug.datastructures import ImmutableDict, MultiDict
from flask import request
from flaskext.script import Manager
from postfixmgmt import app, db, __version__
from postfixmgmt.forms import DomainAddForm

manager = Manager(app)


def validate_fields(fields):
    for name, field in fields._fields.iteritems():
        return validate_field(field)

def validate_field(field):
    if field.validate(field.raw_data):
        return True
    return False

def print_field_errors(fields):
    for name, field in fields._fields.iteritems():
        for error in field.errors:
            print error
    sys.exit()

@manager.option("-d", "--desc", help="Description of the domain. [default: '']")
@manager.option("-n", "--name", help="Domain name", required=True)
@manager.option("-m", "--method", choices=('add', 'edit', 'delete'), required=True)
def add_domain(**values):
    request.form = DomainAddForm(MultiDict(values))
    validate_fields(request.form)


if __name__ == "__main__":
    manager.run()