[tahoe-lafs-trac-stream] [Tahoe-LAFS] #1634: TypeError due to "size" being None in pyfilesystem+dokan

[Tahoe-LAFS]

#1634: TypeError due to "size" being None in pyfilesystem+dokan
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     Reporter:  zooko    |      Owner:  Zancas
         Type:  defect   |     Status:  new
     Priority:  major    |  Milestone:  1.11.0
    Component:  code-    |    Version:  1.9.0
  frontend-web           |   Keywords:  pyfilesystem dokan error webapi
   Resolution:           |  docs mutable test-needed
Launchpad Bug:           |
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Comment (by warner):

 Oh also, I think everyone already agrees with this, but human-facing tools
 like `tahoe ls` should print "?" instead of "null". Machine-facing tools
 like the WAPI should provide clearly-distinct types (whether using `null`
 or omitting the key). I don't want `tahoe ls` to print "FILENAME.. stuff..
 size=null", that's just inhumane. And I don't want the WAPI to return
 `size: "?"` because that's inhumane to the poor program that's trying to
 deal with the data.

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1634#comment:12>
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