KivyClipboardExample

from kivy.app import App
from kivy.lang import Builder
from kivy.uix.boxlayout import BoxLayout
from kivy.core.clipboard import Clipboard
from kivy.properties import ObjectProperty
import sys


Builder.load_string('''
#:kivy 1.8.0

<RootWidget>:
    label_text: label_text
    Label:
        id: label_text
        markup: True
        text: '[ref=text_selection]initial[/ref]'
        on_ref_press: root.copytext()
    TextInput:

        ''')


class RootWidget(BoxLayout):
    """Root Kivy widget class"""
    label_text = ObjectProperty()

    def __init__(self):
        super(RootWidget, self).__init__()

    def copytext(self):
            """copy address to clipboard when user clicks"""
            text = self.label_text.text
            print('User clicked on ', text)
            Clipboard.put(text)



class ExampleApp(App):
    def build(self):
        return RootWidget()


if __name__ == '__main__':
    ExampleApp().run()