Greg Price aa0ecd79d6 zephyr: Fix bogus uses of force_bytes that break on Python 3. ...

An expression like `force_bytes(chr(...))`, on Python 3 where the
`force_bytes` finds itself with something to do because `chr` returns
a text string, gives the UTF-8 encoding of the given value as a
Unicode codepoint.

Here, we don't want that -- rather we want the given value as a
single byte.  We can do that with `struct.pack`.

This fixes an issue where the "Link with Webathena" flow was producing
invalid credential caches when run on Python 3, breaking the Zephyr
mirror for any user who went through it anew.

2017-08-16 17:23:57 -07:00

7.5 KiB

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