Build with Python 3.7 and GitHub Actions

.github/workflows/build.yml

@@ -0,0 +1,42 @@
+name: Build Python
+
+on:
+  push:
+    branches:
+      - '*'
+
+jobs:
+  build:
+    runs-on: macos-latest
+    steps:
+    - uses: actions/checkout@v1
+    # OS info
+    - run: uname -a && sw_vers
+    # We need to ensure openSSL is available
+    - run: HOMEBREW_NO_AUTO_UPDATE=1 brew install openssl
+    - run: brew list --versions openssl
+    - run: OPEN_SSL_DIR=$(brew --prefix openssl) && echo $OPEN_SSL_DIR
+    #- run: "$OPEN_SSL_DIR/bin/openssl" version
+    # Download, build Python, and upload it
+    - run: sh build_python.sh
+    - run: mkdir upload
+    - run: tar czf upload/python3-full.tar.gz python/
+    - uses: actions/upload-artifact@v1
+      with:
+        name: python3-full
+        path: ./upload/python3-full.tar.gz
+    # Check built Python
+    - run: du -sk python/
+    - run: cp ./python/bin/python3.7 ./python/bin/python3
+    - run: otool -L python/bin/python3
+    - run: ./python/bin/python3 -c 'import ssl; print(ssl.OPENSSL_VERSION)'
+    - run: otool -L python/lib/python3.7/lib-dynload/_ssl.cpython-37m-darwin.so
+    - run: ./python/bin/python3 -m pip --version
+    # Reduce built Python and upload it
+    - run: python process_python_build.py python/
+    - run: echo "Python 3.7.5" >> python/version.txt
+    - run: tar czf upload/python3-reduced.tar.gz python/
+    - uses: actions/upload-artifact@v1
+      with:
+        name: python3-reduced
+        path: ./upload/python3-reduced.tar.gz

.gitignore

@@ -1 +1,14 @@
 *.swp
+python/*
+Python-3*/*
+
+# OS X
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*

build_python.sh

@@ -1,7 +1,10 @@
 #!/bin/sh
+set -e
 
 alias large_echo='{ set +x; } 2> /dev/null; f(){ echo "#\n#\n# $1\n#\n#"; set -x; }; f'
 
+PY_VER=3.7.5
+
 large_echo "Check OpenSSL installation path and CWD"
 if brew ls --versions openssl > /dev/null; then
     OPENSSL_ROOT="$(brew --prefix openssl)"
@@ -13,12 +16,12 @@ fi
 CURRENT_DIR="$PWD"
 echo $CURRENT_DIR
 
-large_echo "Download and uncompress Python source"
-wget https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tgz
-tar -zxvf Python-3.6.5.tgz &> /dev/null
+large_echo "Download and uncompress Python $PY_VER source"
+wget "https://www.python.org/ftp/python/$PY_VER/Python-$PY_VER.tgz"
+tar -zxvf "Python-$PY_VER.tgz" &> /dev/null
 
-cd Python-3.6.5
+cd "Python-$PY_VER"
 large_echo "Configure Python"
-./configure MACOSX_DEPLOYMENT_TARGET=10.9 CPPFLAGS="-I$OPENSSL_ROOT/include" LDFLAGS="-L$OPENSSL_ROOT/lib" --prefix="$CURRENT_DIR/python"
+./configure MACOSX_DEPLOYMENT_TARGET=10.11 CPPFLAGS="-I$OPENSSL_ROOT/include" LDFLAGS="-L$OPENSSL_ROOT/lib" --with-openssl="$OPENSSL_ROOT" --prefix="$CURRENT_DIR/python"
 large_echo "Build Python"
 make altinstall

process_python_build.py

@@ -13,7 +13,7 @@
 VERBOSE = False
 
 # Python version is used for folder names and exec files in built output
-VERSION_STR = '3.6'
+VERSION_STR = '3.7'
 PYTHON_VER = 'python{}'.format(VERSION_STR)
 
 # Set the files and directories we can remove from a Python build folder