ARROW-6920: [Packaging] Build python 3.8 wheels

Author: sjhewitt

dev/tasks/tasks.yml

@@ -37,17 +37,21 @@ groups:
     - wheel-manylinux1-cp35m
     - wheel-manylinux1-cp36m
     - wheel-manylinux1-cp37m
+    - wheel-manylinux1-cp38m
     - wheel-manylinux2010-cp27m
     - wheel-manylinux2010-cp27mu
     - wheel-manylinux2010-cp35m
     - wheel-manylinux2010-cp36m
     - wheel-manylinux2010-cp37m
+    - wheel-manylinux2010-cp38m
     - wheel-osx-cp27m
     - wheel-osx-cp35m
     - wheel-osx-cp36m
     - wheel-osx-cp37m
+    - wheel-osx-cp38m
     - wheel-win-cp36m
     - wheel-win-cp37m
+    - wheel-win-cp38m
 
   linux:
     - debian-stretch
@@ -208,17 +212,21 @@ groups:
     - wheel-manylinux1-cp35m
     - wheel-manylinux1-cp36m
     - wheel-manylinux1-cp37m
+    - wheel-manylinux1-cp38m
     - wheel-manylinux2010-cp27m
     - wheel-manylinux2010-cp27mu
     - wheel-manylinux2010-cp35m
     - wheel-manylinux2010-cp36m
     - wheel-manylinux2010-cp37m
+    - wheel-manylinux2010-cp38m
     - wheel-osx-cp27m
     - wheel-osx-cp35m
     - wheel-osx-cp36m
     - wheel-osx-cp37m
+    - wheel-osx-cp38m
     - wheel-win-cp36m
     - wheel-win-cp37m
+    - wheel-win-cp38m
     - debian-stretch
     - debian-buster
     - ubuntu-xenial
@@ -434,6 +442,20 @@ tasks:
     artifacts:
       - pyarrow-{no_rc_version}-cp37-cp37m-manylinux1_x86_64.whl
 
+  wheel-manylinux1-cp38m:
+    ci: travis
+    platform: linux
+    template: python-wheels/travis.linux.yml
+    params:
+      python_version: 3.8
+      unicode_width: 16
+      wheel_tag: manylinux1
+      test_docker_images:
+        - python:3.8
+      test_remove_system_libs: true
+    artifacts:
+      - pyarrow-{no_rc_version}-cp38-cp38m-manylinux1_x86_64.whl
+
   wheel-manylinux2010-cp27m:
     ci: travis
     platform: linux
@@ -503,6 +525,20 @@ tasks:
     artifacts:
       - pyarrow-{no_rc_version}-cp37-cp37m-manylinux2010_x86_64.whl
 
+  wheel-manylinux2010-cp38m:
+    ci: travis
+    platform: linux
+    template: python-wheels/travis.linux.yml
+    params:
+      python_version: 3.8
+      unicode_width: 16
+      wheel_tag: manylinux2010
+      test_docker_images:
+        - python:3.8
+      test_remove_system_libs: true
+    artifacts:
+      - pyarrow-{no_rc_version}-cp38-cp38m-manylinux2010_x86_64.whl
+
   ############################## Wheel OSX ####################################
 
   wheel-osx-cp27m:
@@ -550,6 +586,15 @@ tasks:
     artifacts:
       - pyarrow-{no_rc_version}-cp37-cp37m-macosx_10_6_intel.whl
 
+  wheel-osx-cp38m:
+    ci: travis
+    platform: osx
+    template: python-wheels/travis.osx.yml
+    params:
+      python_version: 3.8
+    artifacts:
+      - pyarrow-{no_rc_version}-cp38-cp38m-macosx_10_6_intel.whl
+
   ############################## Wheel Windows ################################
 
   wheel-win-cp36m:
@@ -570,6 +615,15 @@ tasks:
     artifacts:
       - pyarrow-{no_rc_version}-cp37-cp37m-win_amd64.whl
 
+  wheel-win-cp38m:
+    ci: appveyor
+    platform: win
+    template: python-wheels/appveyor.yml
+    params:
+      python_version: 3.8
+    artifacts:
+      - pyarrow-{no_rc_version}-cp38-cp38m-win_amd64.whl
+
   ############################## Linux PKGS ####################################
 
   debian-stretch: