package/opencv3: ensure the python module works when BR2_PACKAGE_PYTHON{, 3}_PYC_ONLY=y
The OpenCV Python module does a fairly strange thing to read a few configuration details: it uses Python's execfile() to execute two .py files and access a few variables. However, execfile() only works with .py files and not .pyc files. When BR2_PACKAGE_PYTHON{,3}_PYC_ONLY=y, the .py files are all removed, causing the OpenCV Python module to not work: File "usr/lib/python3.7/site-packages/cv2/__init__.py", line 89, in <module> File "usr/lib/python3.7/site-packages/cv2/__init__.py", line 58, in bootstrap File "usr/lib/python3.7/site-packages/cv2/__init__.py", line 56, in load_first_config ImportError: OpenCV loader: missing configuration file: ['config.py']. Check OpenCV installation. To fix this problem, this commit uses the newly introduced <pkg>_KEEP_PY_FILES mechanism, to ensure the important config*.py files are kept. Fixes: https://bugs.busybox.net/show_bug.cgi?id=12171 Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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@ -328,6 +328,7 @@ OPENCV3_CONF_OPTS += \
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-DPYTHON2_PACKAGES_PATH=/usr/lib/python$(PYTHON_VERSION_MAJOR)/site-packages \
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-DPYTHON2_NUMPY_VERSION=$(PYTHON_NUMPY_VERSION)
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OPENCV3_DEPENDENCIES += python
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OPENCV3_KEEP_PY_FILES += usr/lib/python$(PYTHON_VERSION_MAJOR)/site-packages/cv2/config*.py
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else
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OPENCV3_CONF_OPTS += \
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-DBUILD_opencv_python2=OFF \
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@ -339,6 +340,7 @@ OPENCV3_CONF_OPTS += \
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-DPYTHON3_PACKAGES_PATH=/usr/lib/python$(PYTHON3_VERSION_MAJOR)/site-packages \
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-DPYTHON3_NUMPY_VERSION=$(PYTHON_NUMPY_VERSION)
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OPENCV3_DEPENDENCIES += python3
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OPENCV3_KEEP_PY_FILES += usr/lib/python$(PYTHON3_VERSION_MAJOR)/site-packages/cv2/config*.py
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endif
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OPENCV3_CONF_ENV += $(PKG_PYTHON_DISTUTILS_ENV)
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OPENCV3_DEPENDENCIES += python-numpy
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