75 lines
2.6 KiB
Markdown
75 lines
2.6 KiB
Markdown
These are the instructions for building the Python bindings for KDDockWidgets.
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Make sure you have PySide2, shiboken2 and shiboken2-generator installed.
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As this time, you cannot get shiboken2-generator because the wheels are not on PyPi.
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To use the wheels do this:
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```
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% pip3 install \
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--index-url=http://download.qt.io/official_releases/QtForPython/ \
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--trusted-host download.qt.io \
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shiboken2 pyside2 shiboken2_generator
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```
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For more info visit https://doc.qt.io/qtforpython/shiboken2/gettingstarted.html
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afterwards run 'pip3 list | grep PySide2'
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Note the version *must* match the same Qt you intend to use when building KDDockWidgets.
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Not supported:
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- Debug builds
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- static builds
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- python2 bindings
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- only some 32-bit platforms are supported. see https://wiki.qt.io/Qt_for_Python
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Tell CMake to build the bindings by passing the `-DKDDockWidgets_PYTHON_BINDINGS=True' option,
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followed by the make command.
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The bindings will be installed to the passed `-DCMAKE_INSTALL_PREFIX`, which
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might require setting the `PYTHONPATH` env variable to point to that path when
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running applications. Alternatively, configure the bindings install location
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by passing `-DKDDockWidgets_PYTHON_BINDINGS_INSTALL_PREFIX=/usr/lib/python3.8/site-packages`
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to CMake (adjust to the python path on your system).
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To run the KDDW python example
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```
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$ export PYTHONPATH=/kddw/install/path # Only if needed
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$ cd python/examples/
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$ rcc -g python -o rc_assets.py ../../examples/dockwidgets/resources_example.qrc
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$ python3 main.py
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```
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Build Issues
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* If you see errors like "Unable to locate Clang's built-in include directory"
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then first make sure you have llvm installed. If you still have problems try
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setting the environment variable `LLVM_INSTALL_DIR` to point to your llvm installation.
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Examples:
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```
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export LLVM_INSTALL_DIR=/usr/local/opt/llvm-11
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set "LLVM_INSTALL_DIR=C:\Program Files\LLVM" #Windows
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```
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* When building the examples you may encounter errors loading shared libraries from shiboken2_generator.
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Try:
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```
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export LD_LIBRARY_PATH=/usr/local/lib/python/dist-packages/PySide2/Qt/lib #linux
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export DYLD_LIBRARY_PATH=/usr/local/lib/python/dist-packages/PySide2/Qt/lib #Mac
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#adjust to wherever your PySide is installed
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```
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* On Windows the `libclang.dll` that ship with QtForPython is not compatible with MSVC2019.
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To fix this, copy the `libclang.dll` that comes with llvm into shiboken2, like so:
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```
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cd C:\Python37\Lib\site-packages\shiboken2_generator
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copy libclang.dll libclang.dll.save
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copy "C:\Program Files\llvm\bin\libclang.dll" libclang.dll
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#Python3 installation in C:\Python37 and llvm in c:\Program Files\llvm. adjust as needed
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```
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