[tahoe-lafs-trac-stream] [Tahoe-LAFS] #3852: 500 error from JSON welcome page

[Tahoe-LAFS]

#3852: 500 error from JSON welcome page
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     Reporter:  meejah             |      Owner:
         Type:  defect             |     Status:  new
     Priority:  major              |  Milestone:  undecided
    Component:  code-frontend-web  |    Version:  n/a
   Resolution:                     |   Keywords:  python3
Launchpad Bug:                     |
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Description changed by meejah:

Old description:

> In python2, you can compare a number with None. In python3, you cannot.
>
> The JSON version of the welcome page uses sorting on `.items()` in e.g.
> `allmydata/web/root.py:301` which sometimes contain `None`. Running under
> Python3, this causes a 500 error if you access the JSON welcome page.

New description:

 In python2, you can compare a number with None. In python3, you cannot.

 The JSON version of the welcome page uses sorting on `.items()` in e.g.
 `allmydata/web/root.py:301` which sometimes contain `None`. Running under
 Python3, this causes a 500 error if you access the JSON welcome page.

 To reproduce, visit the WebUI root page with `?t=json` when there's at
 least one storage-server that is not currently connected (or is reporting
 "None" as available space).

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/3852#comment:2>
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