Kivy Language Dynamic Checkbox List

I want to dyanmically add checkboxes in Kivy languages. I know how to achieve this in python but unaware how to do so in Kivy language. There should be a checkbox for each file in the below list:

 from kivy.uix.filechooser import FileSystemLocal
 file_system = FileSystemLocal()
 file_list=file_system.listdir(App.get_running_app().user_data_dir+'\\')   # this returns a list of files in dir
 file_list=[x for x in file_list if x[-4:]=='.csv']

How can I loop this Kivy? I assuming there should loop on the right side, since that is python code. But I have no clue how? Any starters can be helpful.