* Add several fixes for python toolchain
* Fix versin regex
* Make script exit on error
* Fix version regex
* Fix version regex
* Fix version regex
* Fix version regex
* Make test run on the current commit
* Fix test
* Fix test
* Use git to retrieve current commit
* Fix tests
* Fix tests
* Also make linux and mac work on the current commit
* Fix test
* Fix python release build.
* Separate config.sh by platform
* Use KOKORO_JOR_NAME to determine the BUILD_COMMIT.
* Use -std=c++14 on MacOS so -latomic can be used.
* Fix python release build.
* Separate config.sh by platform
* Use KOKORO_JOR_NAME to determine the BUILD_COMMIT.
* Use -std=c++14 on MacOS so -latomic can be used.
* Add kokoro build for python source package
* Use libc++ for xcode 10 (#5303)
The xcode 10 removes the deprecated libstdc++ library. We could set
"MACOSX_DEPLOYMENT_TARGET" to "10.9" to use libc++ instead.
* Add python 3.7 build
* Add build for python 3.7 on linux and windows
* Remove unused source build
* Add comment
* Fix $MACOSX_DEPLOYMENT_TARGET mismatch
* Fix MACOSX_DEPLOYMENT_TARGET mismatch
* Add missing import for sysconfig
* Add missing imports
* Add config for building python wheel
* Update submodules
* Fix setup.py to use c++11
* Fix syntax error
* Fix syntax error
* Add dir for artifact
* Update artifact dirctory
* Remove python 3.3
* Clean up virtual env
* Clean up env
* Test environment
* Test env variable
* Automatic update version number
* Remove dependency on python-wheel branch