can't add variables to instances of built-in classes
Lawrence D’Oliveiro
lawrencedo99 at gmail.com
Tue Jul 19 19:58:52 EDT 2016
On Wednesday, July 20, 2016 at 9:24:57 AM UTC+12, bream... at gmail.com wrote:
>
> On Tuesday, July 19, 2016 at 3:54:12 AM UTC+1, Lawrence D’Oliveiro wrote:
>>
>> On Tuesday, July 19, 2016 at 11:12:52 AM UTC+12, bream... at gmail.com wrote:
>>>
>>> On Monday, July 18, 2016 at 10:48:15 PM UTC+1, Lawrence D’Oliveiro wrote:
>>>>
>>>> <https://github.com/ldo/qahirah>
>>>> When you have lots of read/write properties, I find __slots__ to be a
>>>> good idea.
>>>
>>> Please explain why, thank you.
>>
>> I was trying something like
>>
>> ctx.dashes = ((0.1, 0.03, 0.03, 0.03), 0)
>>
>> and wondering why it wasn’t working...
>
> This makes no sense to me at all. You appear to be trying to create a
> tuple, which contains a tuple and an integer. You then say it doesn't
> work, but imply that using __slots__ fixes the problem. So please explain
> exactly what you were trying to achieve, the exact error you got, with the
> complete traceback, and how using __slots__ fixed the problem.
No traceback. The lines were simply coming out solid, instead of dashed.
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