[IPython-dev] Qt api selection re. ipython and matplotlib
Min RK
benjaminrk at gmail.com
Mon Jul 4 22:42:30 EDT 2011
That sounds like we should reverse the default. Rather than using v2 unless old matplotlib is detected, use v1 unless ETS 4 is detected, or some configurable is set.
-MinRK
On Jul 4, 2011, at 19:26, Darren Dale <dsdale24 at gmail.com> wrote:
> On Mon, Jul 4, 2011 at 9:17 PM, Fernando Perez <fperez.net at gmail.com> wrote:
>> Hi folks,
>>
>> Eric Firing, Darren Dale and others in the MPL team are trying to work
>> out the Qt API selection issues after our own updates, but there are
>> some technical questions in there that require more knowledge about Qt
>> than I have. The MPL pull request is:
>>
>> https://github.com/matplotlib/matplotlib/pull/390
>>
>> which follows our own recent changes:
>>
>> https://github.com/ipython/ipython/pull/550#issuecomment-1490217
>>
>> Evan has already done the lion's share of the work on this topic, but
>> I figured I'd ping the list in case someone else can also jump in,
>> since I myself am kind of useless on the details of Qt itself.
>
> Note that this is probably not specific to matplotlib, but rather
> IPython's qt gui support. IPython.external.qt is setting the sip api
> level for PyQt4 to api version 2. Version 2 is not the default for
> python-2, which means that ipython would not be able to run PyQt4 apps
> or scripts that use QString or QVariant, both of which are officially
> supported in the default PyQt4 api. It will impact a lot of users and
> a lot of projects.
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