# Calling input() in separate thread to avoid freezing.

# Not used on web platform.

import threading

class Input:

def __init__(self, callback):

self.callback = callback

self.result = None # None until the text got

_inputs = [] # Input objects

_inputInProgress = False

_inputGot = False

def _consoleProc(prompt): # console thread

global _inputs, _inputInProgress, _inputGot

_inputInProgress = True

_inputs[-1].result = input(prompt) # blocking

_inputInProgress = False

_inputGot = True

def requestInput( prompt, callback ): # call in main thread

if _inputInProgress:

return False # Sorry! Previous input is not finished.

global _inputs

_inputs.append(Input(callback))

threading.Thread(

name = 'Console input',

target = _consoleProc,

args = (prompt,)

).start()

return True

def checkInputs(): # call in main thread

global _inputGot, _inputs

if not _inputGot: return

def check(i):

if i.result is None:

return True # keep waiting

else:

i.callback(i.result)

return False # not needed anymore

_inputs = list(filter(check, _inputs))

_inputGot = False

def isWaiting(): # call in main thread

return len(_inputs) > 0