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caffe2 already support python3 now?
It does work with python 3. The only modification you need to make to the build instructions is to pass in some arguments to cmake telling it to use python 3. The three build arguments you need to pass are -DPYTHON_INCLUDE_DIR -DPYTHON_EXECUTABLE -DPYTHON_LIBRARY
If you're linux then which python3 should give you the path to the python executable while the library and include dir likely live in /usr/lib and /usr/share.
Just add to the answer from @hmc-cs-mdrissi, we don't need "-DPYTHON_LIBRARY" flag anymore since we have changed our cmake build system to not link against libpython (the python module will be imported into python anyway, so we let the python symbols resolution happens at runtime).
For getting the python include path, do
python -c 'from distutils import sysconfig; print(sysconfig.get_python_inc())'
Another way to do this is pip install $caffe2_checkout_path, which will use the setup.py and it automatically figures out these python details for you.
You should really update documentation and insert python3 support and pip build technique, it would help many
Latest Caffe2 does support python3. We still need to update the documentation and tutorials to support this, though. Thanks for all the feedback and we're working on those doc updates.
@orionr Is the documentation updated? Or shall I proceed further with Python2 installation. Another problem with Python2 installation is the Numpy multiarray Import error which has still not been resolved.
