[Twisted-Python] Difficulty restarting/shutting down a twisted server - ports not closing

Naveen Michaud-Agraw naveenm at enthought.com
Wed Jun 12 14:56:22 MDT 2013


Hi Paul,

Have you tried the solution listed here:

http://twistedmatrix.com/documents/13.0.0/core/howto/choosing-reactor.html#auto16

With this approach, twisted would manage tkinter and you won't block on any twisted API calls.

Sent from my iPhone

On Jun 12, 2013, at 3:58 PM, Paul Sajna <sajattack at gmail.com> wrote:

> I'm using Tkinter. When I do the reactor.listenTCP(), the server takes over the main thread and the GUI freezes. Could you help me craft a GUI-safe solution?
> 
> 
> On 12 June 2013 00:06, Glyph <glyph at twistedmatrix.com> wrote:
>> 
>> On Jun 11, 2013, at 6:20 PM, Paul Sajna <sajattack at gmail.com> wrote:
>> 
>>> I continue to use threads because my application uses a GUI that becomes blocked when the server starts. Also, I am now having a problem where port is undefined until the server is stopped and started again.
>> 
>> Paul,
>> 
>> Until you stop using threads in this manner, you are using threads in a totally unsupported way and Twisted will be broken.
>> 
>> Twisted supports most GUIs directly though; there is generally no need to use threads.  What GUI library are you using?
>> 
>> -glyph
>> 
>> 
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