Error building PyQt5 from source

[Phil Thompson]

On 23/02/2021 18:19, Gehlhaar, Daniel Kurt wrote:
> All,
> 
> I am trying to follow the directions to build PyQt5 from source. My
> ultimate goal is to use my custom-built Qt installation.
> 
> I started with a clean Python 3.6 (no sip or PyQt5 installed).  I have
> my python and Qt directories in my PATH. I did the following steps as
> per the web page instructions:
> 
> 
>   *   pip install PyQt5

...you mean PyQt5-sip

>   *   pip install PyQt5-builder
> 
> I downloaded the latest PyQt5 source distribution from PyPi and
> unpacked it. I changed to that directory and did:
> 
>   *   sip-install
> 
> I got the following error:
> 
> Checking to see if the QtXmlPatterns bindings can be built...
> Checking to see if the dbus-python support should be built...
> The dbus-python package does not seem to be installed.
> These bindings will be built: Qt, pylupdate, pyrcc.
> Generating the Qt bindings...
> Generating the pylupdate bindings...
> sip-install:
> C:/Users/gehlhaar/Qt/PyQt5-5.15.2/sip/QtCore/QtCoremod.sip:25: At most
> one of this %Timeline must be specified with the -t flag
> 
> I tried to dig into this .sip file and figure out the source of the
> error, but I don't understand the build process well enough (it seemed
> like there was only one %Timeline specified). I tried looking for a
> nightly build but there are none on the distribution page at
> https://riverbankcomputing.com/software/pyqt/download.
> 
> Any help would be appreciated.

Works fine for me in a clean venv.

Phil