[Twisted-Python] running code on its own and importing, howto install a different reactor?

[steven meier]

hi,

i ran into this issue, i can run the code on its own "python
working_code.py", but i cant import it...how do you fit the reactor in
this scenario?




    python main_code.py
    Unhandled error in Deferred:
     
     
    Traceback (most recent call last):
      File
"/home/julius/.local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1274, in unwindGenerator
        return _inlineCallbacks(None, gen, Deferred())
      File
"/home/julius/.local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1128, in _inlineCallbacks
        result = g.send(result)
      File
"/home/julius/code/python/qt5-python2.x/example/working_code.py", line
7, in print_it
        arg = yield terrific_method()
      File
"/home/julius/.local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1274, in unwindGenerator
        return _inlineCallbacks(None, gen, Deferred())
    --- <exception caught here> ---
      File
"/home/julius/.local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1128, in _inlineCallbacks
        result = g.send(result)
      File
"/home/julius/code/python/qt5-python2.x/example/working_code.py", line
14, in terrific_method
        reactor.callLater(2, d.callback, 2)
    exceptions.NameError: global name 'reactor' is not defined
     
     
     
    



 
   cat main_code.py
   


    import qt5reactor
    qt5reactor.install()
     
    from twisted.internet import reactor
    from working_code import print_it
     
     
    print_it()
     
     


    cat working_code.py
    
    
    from twisted.internet.defer import inlineCallbacks, Deferred,
returnValue
     
    @inlineCallbacks
    def print_it():
        arg = yield terrific_method()
        print arg
     
     
    @inlineCallbacks
    def terrific_method():
        d = Deferred()
        reactor.callLater(2, d.callback, 2)
        result = yield d
        returnValue(result)
     
     
     
     
    if __name__ == '__main__':
        import qt5reactor
        qt5reactor.install()
        from twisted.internet import reactor
        reactor.callWhenRunning(print_it)
        reactor.run()