Drop support for Python 3.5. (#9622)

* Drop support for Python 3.5.

* Update setup.py

ci/travis/test-wheels.sh

@@ -85,17 +85,16 @@ if [[ "$platform" == "linux" ]]; then
 
  # Check that the other wheels are present.
  NUMBER_OF_WHEELS=$(ls -1q "$ROOT_DIR"/../../.whl/*.whl | wc -l)
- if [[ "$NUMBER_OF_WHEELS" != "4" ]]; then
+ if [[ "$NUMBER_OF_WHEELS" != "3" ]]; then
  echo "Wrong number of wheels found."
  ls -l "$ROOT_DIR/../.whl/"
  exit 2
  fi
 
 elif [[ "$platform" == "macosx" ]]; then
  MACPYTHON_PY_PREFIX=/Library/Frameworks/Python.framework/Versions
- PY_WHEEL_VERSIONS=("35" "36" "37" "38")
- PY_MMS=("3.5"
- "3.6"
+ PY_WHEEL_VERSIONS=("36" "37" "38")
+ PY_MMS=("3.6"
  "3.7"
  "3.8")
 

doc/dev/RELEASE_PROCESS.rst

@@ -76,7 +76,7 @@ This document describes the process for creating new releases.
 
  The results should be checked in under ``doc/dev/release_logs/<version>``.
 
- You can also get the performance change rate from the previous version using 
+ You can also get the performance change rate from the previous version using
  microbenchmark_analysis.py
 
 5. **Resolve release-blockers:** If a release blocking issue arises, there are
@@ -121,14 +121,14 @@ This document describes the process for creating new releases.
  export RAY_VERSION=... # e.g., 0.7.0
 
  # Linux Wheels
- pip install -U https://s3-us-west-2.amazonaws.com/ray-wheels/releases/$RAY_VERSION/$RAY_HASH/ray-$RAY_VERSION-cp35-cp35m-manylinux1_x86_64.whl
  pip install -U https://s3-us-west-2.amazonaws.com/ray-wheels/releases/$RAY_VERSION/$RAY_HASH/ray-$RAY_VERSION-cp36-cp36m-manylinux1_x86_64.whl
  pip install -U https://s3-us-west-2.amazonaws.com/ray-wheels/releases/$RAY_VERSION/$RAY_HASH/ray-$RAY_VERSION-cp37-cp37m-manylinux1_x86_64.whl
+ pip install -U https://s3-us-west-2.amazonaws.com/ray-wheels/releases/$RAY_VERSION/$RAY_HASH/ray-$RAY_VERSION-cp38-cp38-manylinux1_x86_64.whl
 
  # Mac Wheels
- pip install -U https://s3-us-west-2.amazonaws.com/ray-wheels/releases/$RAY_VERSION/$RAY_HASH/ray-$RAY_VERSION-cp35-cp35m-macosx_10_13_intel.whl
  pip install -U https://s3-us-west-2.amazonaws.com/ray-wheels/releases/$RAY_VERSION/$RAY_HASH/ray-$RAY_VERSION-cp36-cp36m-macosx_10_13_intel.whl
  pip install -U https://s3-us-west-2.amazonaws.com/ray-wheels/releases/$RAY_VERSION/$RAY_HASH/ray-$RAY_VERSION-cp37-cp37m-macosx_10_13_intel.whl
+ pip install -U https://s3-us-west-2.amazonaws.com/ray-wheels/releases/$RAY_VERSION/$RAY_HASH/ray-$RAY_VERSION-cp38-cp38-macosx_10_13_x86_64.whl
 
  This can be tested if you use the script source ./bin/download_wheels.sh
 
@@ -162,9 +162,9 @@ This document describes the process for creating new releases.
 
  Do this at least for MacOS and Linux.
 
- This process is automated. Run ./bin/pip_download_test.sh. 
- This will download the ray from the test pypi repository and run the minimum 
- sanity check from all the Python version supported. (3.5, 3.6, 3.7, 3.8)
+ This process is automated. Run ./bin/pip_download_test.sh.
+ This will download the ray from the test pypi repository and run the minimum
+ sanity check from all the Python version supported. (3.6, 3.7, 3.8)
 
 
 9. **Upload to PyPI:** Now that you've tested the wheels on the PyPI test

doc/source/installation.rst

@@ -37,18 +37,15 @@ instead of the ones above:
 `Linux Python 3.8`_ `MacOS Python 3.8`_ `Windows Python 3.8`_
 `Linux Python 3.7`_ `MacOS Python 3.7`_ `Windows Python 3.7`_
 `Linux Python 3.6`_ `MacOS Python 3.6`_ `Windows Python 3.6`_
-`Linux Python 3.5`_ `MacOS Python 3.5`_
 =================== =================== ======================
 
 .. _`Linux Python 3.8`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp38-cp38-manylinux1_x86_64.whl
 .. _`Linux Python 3.7`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp37-cp37m-manylinux1_x86_64.whl
 .. _`Linux Python 3.6`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp36-cp36m-manylinux1_x86_64.whl
-.. _`Linux Python 3.5`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp35-cp35m-manylinux1_x86_64.whl
 
 .. _`MacOS Python 3.8`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp38-cp38-macosx_10_13_x86_64.whl
 .. _`MacOS Python 3.7`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp37-cp37m-macosx_10_13_intel.whl
 .. _`MacOS Python 3.6`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp36-cp36m-macosx_10_13_intel.whl
-.. _`MacOS Python 3.5`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp35-cp35m-macosx_10_13_intel.whl
 
 .. _`Windows Python 3.8`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp38-cp38-win_amd64.whl
 .. _`Windows Python 3.7`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp37-cp37m-win_amd64.whl

python/build-wheel-macos.sh

@@ -13,23 +13,19 @@ MACPYTHON_URL=https://www.python.org/ftp/python
 MACPYTHON_PY_PREFIX=/Library/Frameworks/Python.framework/Versions
 DOWNLOAD_DIR=python_downloads
 
-PY_VERSIONS=("3.5.3"
- "3.6.1"
+PY_VERSIONS=("3.6.1"
  "3.7.0"
  "3.8.2")
-PY_INSTS=("python-3.5.3-macosx10.6.pkg"
- "python-3.6.1-macosx10.6.pkg"
+PY_INSTS=("python-3.6.1-macosx10.6.pkg"
  "python-3.7.0-macosx10.6.pkg"
  "python-3.8.2-macosx10.9.pkg")
-PY_MMS=("3.5"
- "3.6"
+PY_MMS=("3.6"
  "3.7"
  "3.8")
 
 # The minimum supported numpy version is 1.14, see
 # https://issues.apache.org/jira/browse/ARROW-3141
 NUMPY_VERSIONS=("1.14.5"
- "1.14.5"
  "1.14.5"
  "1.14.5")
 

python/build-wheel-manylinux1.sh

@@ -11,15 +11,13 @@ echo 10
 EOF
 chmod +x /usr/bin/nproc
 
-PYTHONS=("cp35-cp35m"
- "cp36-cp36m"
+PYTHONS=("cp36-cp36m"
  "cp37-cp37m"
  "cp38-cp38")
 
 # The minimum supported numpy version is 1.14, see
 # https://issues.apache.org/jira/browse/ARROW-3141
 NUMPY_VERSIONS=("1.14.5"
- "1.14.5"
  "1.14.5"
  "1.14.5")
 

python/setup.py

@@ -25,7 +25,7 @@
 # before these files have been created, so we have to move the files
 # manually.
 
-SUPPORTED_PYTHONS = [(3, 5), (3, 6), (3, 7), (3, 8)]
+SUPPORTED_PYTHONS = [(3, 6), (3, 7), (3, 8)]
 SUPPORTED_BAZEL = (3, 2, 0)
 
 ROOT_DIR = os.path.dirname(__file__)