[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
-------------------------+-------------------------------------------------
     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 Zancas):

 We've changed our minds.

 It turns out that the codebase has a well-established convention of
 omitting key:value JSON metadata in cases where the LASS (Least Authority
 Storage System) doesn't know the relevant value.

 Therefore the new fix is to implement the fix warner mentioned above, i.e.
 only include a "size" key if childnode.get_size() is not None, on _this_
 line:

 https://github.com/tahoe-lafs/tahoe-
 lafs/blob/d7aef0cffb2a28465f75c883128e99045dadcb82/src/allmydata/web/directory.py#L882

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1634#comment:16>
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