Add python3.6 python3.7 support to manylinux Dockerfile

test=develop

tools/manylinux1/Dockerfile.x64

@@ -41,12 +41,16 @@ RUN wget -O /root/requirements.txt https://raw.githubusercontent.com/PaddlePaddl
 RUN LD_LIBRARY_PATH=/opt/_internal/cpython-2.7.11-ucs4/lib:${LD_LIBRARY_PATH} /opt/python/cp27-cp27mu/bin/pip install -r /root/requirements.txt && \
     LD_LIBRARY_PATH=/opt/_internal/cpython-2.7.11-ucs2/lib:${LD_LIBRARY_PATH} /opt/python/cp27-cp27m/bin/pip install -r /root/requirements.txt && \
     LD_LIBRARY_PATH=/opt/_internal/cpython-3.5.1/lib/:${LD_LIBRARY_PATH} /opt/_internal/cpython-3.5.1/bin/pip3 install -r /root/requirements.txt && \
+    LD_LIBRARY_PATH=/opt/_internal/cpython-3.6.0/lib/:${LD_LIBRARY_PATH} /opt/_internal/cpython-3.6.0/bin/pip3 install -r /root/requirements.txt && \
+    LD_LIBRARY_PATH=/opt/_internal/cpython-3.7.0/lib/:${LD_LIBRARY_PATH} /opt/_internal/cpython-3.7.0/bin/pip3 install -r /root/requirements.txt && \
     go get github.com/Masterminds/glide && \
     rm -rf /root/requirements.txt
 
 RUN LD_LIBRARY_PATH=/opt/_internal/cpython-2.7.11-ucs4/lib:${LD_LIBRARY_PATH} /opt/python/cp27-cp27mu/bin/pip install pre-commit 'ipython==5.3.0' opencv-python && \
     LD_LIBRARY_PATH=/opt/_internal/cpython-2.7.11-ucs2/lib:${LD_LIBRARY_PATH} /opt/python/cp27-cp27m/bin/pip install pre-commit 'ipython==5.3.0' opencv-python && \
-    LD_LIBRARY_PATH=/opt/_internal/cpython-3.5.1/lib/:${LD_LIBRARY_PATH} /opt/_internal/cpython-3.5.1/bin/pip3 install pre-commit 'ipython==5.3.0' opencv-python
+    LD_LIBRARY_PATH=/opt/_internal/cpython-3.5.1/lib/:${LD_LIBRARY_PATH} /opt/_internal/cpython-3.5.1/bin/pip3 install pre-commit 'ipython==5.3.0' opencv-python && \
+    LD_LIBRARY_PATH=/opt/_internal/cpython-3.6.0/lib/:${LD_LIBRARY_PATH} /opt/_internal/cpython-3.6.0/bin/pip3 install pre-commit 'ipython==5.3.0' opencv-python && \
+    LD_LIBRARY_PATH=/opt/_internal/cpython-3.7.0/lib/:${LD_LIBRARY_PATH} /opt/_internal/cpython-3.7.0/bin/pip3 install pre-commit 'ipython==5.3.0' opencv-python
 
 RUN wget -O /opt/swig-2.0.12.tar.gz https://cytranet.dl.sourceforge.net/project/swig/swig/swig-2.0.12/swig-2.0.12.tar.gz && \
     cd /opt && tar xzf swig-2.0.12.tar.gz && cd /opt/swig-2.0.12 && ./configure && make && make install && cd /opt && rm swig-2.0.12.tar.gz

tools/manylinux1/build_scripts/build.sh

@@ -9,7 +9,7 @@ set -ex
 # remove others to expedite build and reduce docker image size. The original
 # manylinux docker image project builds many python versions.
 # NOTE We added back 3.5.1, since auditwheel requires python 3.3+
-CPYTHON_VERSIONS="2.7.11 3.5.1"
+CPYTHON_VERSIONS="3.7.0 3.6.0 3.5.1 2.7.11"
 
 # openssl version to build, with expected sha256 hash of .tar.gz
 # archive
@@ -25,7 +25,7 @@ AUTOCONF_HASH=954bd69b391edc12d6a4a51a2dd1476543da5c6bbf05a95b59dc0dd6fd4c2969
 
 # Dependencies for compiling Python that we want to remove from
 # the final image after compiling Python
-PYTHON_COMPILE_DEPS="zlib-devel bzip2-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel"
+PYTHON_COMPILE_DEPS="zlib-devel bzip2-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel libffi-dev"
 
 # Libraries that are allowed as part of the manylinux1 profile
 MANYLINUX1_DEPS="glibc-devel libstdc++-devel glib2-devel libX11-devel libXext-devel libXrender-devel  mesa-libGL-devel libICE-devel libSM-devel ncurses-devel freetype-devel libpng-devel"
@@ -77,11 +77,13 @@ mkdir -p /opt/python
 build_cpythons $CPYTHON_VERSIONS
 
 PY35_BIN=/opt/python/cp35-cp35m/bin
+PY36_BIN=/opt/python/cp36-cp36m/bin
+PY37_BIN=/opt/python/cp37-cp37m/bin
 # NOTE Since our custom manylinux image builds pythons with shared
 # libpython, we need to add libpython's dir to LD_LIBRARY_PATH before running
 # python.
 ORIGINAL_LD_LIBRARY_PATH="${LD_LIBRARY_PATH}"
-LD_LIBRARY_PATH="${ORIGINAL_LD_LIBRARY_PATH}:$(dirname ${PY35_BIN})/lib"
+LD_LIBRARY_PATH="${ORIGINAL_LD_LIBRARY_PATH}:$(dirname ${PY35_BIN})/lib:$(dirname ${PY36_BIN})/lib:$(dirname ${PY37_BIN})/lib"
 
 # Our openssl doesn't know how to find the system CA trust store
 #   (https://github.com/pypa/manylinux/issues/53)

tools/manylinux1/build_scripts/build_utils.sh

@@ -53,8 +53,12 @@ function do_cpython_build {
     # NOTE --enable-shared for generating libpython shared library needed for
     # linking of some of the nupic.core test executables.
     CFLAGS="-Wformat" ./configure --prefix=${prefix} --enable-shared $unicode_flags > /dev/null
-    make -j2 > /dev/null
-    make install > /dev/null
+    make -j8 > /dev/null
+    if [ $(lex_pyver $py_ver) -ge $(lex_pyver 3.7) ]; then
+        make altinstall > /dev/null
+    else
+        make install > /dev/null
+    fi
     popd
     echo "ZZZ looking for libpython"
     find / -name 'libpython*.so*'
@@ -64,6 +68,12 @@ function do_cpython_build {
     if [ -e ${prefix}/bin/python3 ]; then
         ln -s python3 ${prefix}/bin/python
     fi
+    if [ -e ${prefix}/bin/python3.6 ]; then
+        ln -s python3.6 ${prefix}/bin/python
+    fi
+    if [ -e ${prefix}/bin/python3.7 ]; then
+        ln -s python3.7 ${prefix}/bin/python
+    fi
     # NOTE Make libpython shared library visible to python calls below
     LD_LIBRARY_PATH="${prefix}/lib" ${prefix}/bin/python get-pip.py
     LD_LIBRARY_PATH="${prefix}/lib" ${prefix}/bin/pip install wheel