Bases: Event Sent to a widget that is capturing print. Bubbles Verbose Parameters: Name Type Description Default text str Text that was printed. required stderr bool True if the print was to stderr, or False for stdout. False Note Python's print output can be captured with App.begin_capture_print. stderr instance-attribute ¶ stderr = stderr True if the print was to stderr, or False for stdout. text instance-attribute ¶ text = text The text that was printed.