[tahoe-lafs-trac-stream] [tahoe-lafs] #1681: avoid using win32eventreactor, or suppress spurious warning from it if necessary

[tahoe-lafs]

#1681: avoid using win32eventreactor, or suppress spurious warning from it if
necessary
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     Reporter:  zooko   |      Owner:  somebody
         Type:  defect  |     Status:  new
     Priority:  major   |  Milestone:  undecided
    Component:  code    |    Version:  1.9.1
   Resolution:          |   Keywords:  warning windows
Launchpad Bug:          |
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Comment (by davidsarah):

 Replying to [comment:6 itamarst]:
 > Oh, actually: the default select() reactor will attempt to load some of
 the win32eventreactor code in order to better support certain
 functionality on Windows, e.g. serial ports. (It tries to run a parallel
 win32event loop in a thread).

 In that case I think we should suppress the warning, since, if I
 understand correctly, we don't use any functionality that would be
 affected by it.

 > So, you can just ignore that warning: it will only show up for people
 who already have pywin32 installed, in which case telling them they maybe
 want to upgrade isn't that big deal.

 That would be anyone upgrading from a version of Tahoe prior to v1.8.2, in
 which we (mostly) removed the pywin32 dependencency. So it is quite a big
 deal, since it requires us to document this possibility for everyone.

-- 
Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1681#comment:7>
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