google app engine python validation

[Nishant Nawarkhede]

Hello everyone , i am new to goolge app engine and python.

I am creating on sample form having 5 fields like name , email , mobile number , address.
When user clicks on SAVE button the data should store in to the database.

But i want to add some validations to that form, like must input name , valid name valid cell number.
If user didnt fill up name then it must shows an error message.

Thnks.

[Jakob Holmelund]

Use wtforms