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500 error from JSON welcome page #3852

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opened 2021-12-22 21:36:20 +00:00 by meejah · 0 comments
meejah commented 2021-12-22 21:36:20 +00:00
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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).

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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meejah added this to the undecided milestone 2021-12-22 21:36:20 +00:00
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Reference: tahoe-lafs/trac-2024-07-25#3852
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