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I'm trying to do some Schematron validation with lxml. For the specific application I'm wor… Read more Schematron Validation With Lxml In Python: How To Retrieve Validation Errors?

What I want to do is to verify if a string is numeric -- a float -- but I haven't found a strin… Read more How Can I Verify If A String Is A Valid Float?

Am validating .csv file and I want to give the results of the validation in a format the user is ac… Read more How Do I Return A Custom Rule-name/error-code Using Cerberus?

I need to validate an XML string (and not a file) against a DTD description file. How can that be … Read more How Do I Validate Xml Against A Dtd File In Python

I'm using Flask-WTF to validate my form, but for the FileField, it's not validating properl… Read more Filefield Validation Using Flask Not Working Properly

With django I could simply pass the POST data to the form after failed validation and the user woul… Read more How To Keep Input After Failed Form Validation In Flask

I need help for this data validation problem in Python 2.7, it does what i want it doesn't acce… Read more Python 2.7 Data Validation

I am having some trouble with an input question that is supposed to allow the player to choose one … Read more Python 3 Input And If Statement