[PyQt] PyQt 5.13.2 build error: module 'sipbuild.api' has no attribute ‘prepare_metadata_for_build_wheel'

[Phil Thompson]

On 11/11/2019 18:47, FX wrote:
> Dear Phil,
> 
>> You are trying to deal with two significant changes (PyQt v5.11 and 
>> SIP v5) at the same time. I'd suggest you start by building PyQt 
>> v5.13.2 with SIP v4.19.19.
> 
> Indeed. Building PyQt v5.13.2 with SIP v4.19.19 turned out to be easy,
> and we have merged that. I am now focussing on updating to SIP 5.0.0,
> and making sure PyQt 5.13.2 builds with SIP 5.0.0.
> 
> 1. SIP 5.0.0 installs easily from sdist with pip, as stated in the 
> documentation
> 2. I see in the PyQt doc that our build method (based on configure.py)
> needs to be changed to use sip-install. So I try this. But:
> 3. I am trying to build pyqt with:
> 
> sip-install 
> --target-dir=/usr/local/Cella/pyqt/5.13.2/lib/python37/site-packages
> 
> and the documentation of --target-dir says "The project will be
> installed in DIR.”
> Yet sip-install tries to copy files into directory outside of DIR,
> namely, in /usr/local/Cellar/sip/5.0.0/libexec/bin
> 
> I am unsure if this is a bug (it contradicts the documentation) or a
> feature. As I said in an earlier email, when building PyQt with
> configure.py, there is an option (--bindir) that decides where these
> files would be installed. I cannot, however, find a similar option for
> sip-install.

What are the files it’s trying to install?

Phil