Add python 3.8 support

Author: mayeut

README.md

@@ -18,6 +18,7 @@ What does it do?
 | Python 3.5 | ✅ | ✅ | ✅ | ✅  | ✅  |
 | Python 3.6 | ✅ | ✅ | ✅ | ✅  | ✅  |
 | Python 3.7 | ✅ | ✅ | ✅ | ✅  | ✅  |
+| Python 3.8 | ✅ | ✅ | ✅ | ✅  | ✅  |
 
 > ¹ Not supported on Travis
 
@@ -76,14 +77,7 @@ jobs:
 - job: windows
   pool: {vmImage: 'vs2017-win2016'}
   steps:
-    - {task: UsePythonVersion@0, inputs: {versionSpec: '2.7', architecture: x86}}
-    - {task: UsePythonVersion@0, inputs: {versionSpec: '2.7', architecture: x64}}
-    - {task: UsePythonVersion@0, inputs: {versionSpec: '3.5', architecture: x86}}
-    - {task: UsePythonVersion@0, inputs: {versionSpec: '3.5', architecture: x64}}
-    - {task: UsePythonVersion@0, inputs: {versionSpec: '3.6', architecture: x86}}
-    - {task: UsePythonVersion@0, inputs: {versionSpec: '3.6', architecture: x64}}
-    - {task: UsePythonVersion@0, inputs: {versionSpec: '3.7', architecture: x86}}
-    - {task: UsePythonVersion@0, inputs: {versionSpec: '3.7', architecture: x64}}
+    - task: UsePythonVersion@0
     - script: choco install vcpython27 -f -y
       displayName: Install Visual C++ for Python 2.7
     - bash: |
@@ -309,7 +303,7 @@ When both options are specified, both conditions are applied and only builds wit
 
 The format is `python_tag-platform_tag`. The tags are similar but not identical to the ones defined in [PEP 425](https://www.python.org/dev/peps/pep-0425/#details).
 
-Python tags look like `cp27` `cp35` `cp36` `cp37`
+Python tags look like `cp27` `cp34` `cp35` `cp36` `cp37` `cp38`
 
 Platform tags look like `macosx_10_6_intel` `manylinux_x86_64` `manylinux_i686` `win32` `win_amd64`
 

cibuildwheel/linux.py

@@ -17,11 +17,13 @@ def get_python_configurations(build_selector):
         PythonConfiguration(identifier='cp35-manylinux_x86_64', path='/opt/python/cp35-cp35m'),
         PythonConfiguration(identifier='cp36-manylinux_x86_64', path='/opt/python/cp36-cp36m'),
         PythonConfiguration(identifier='cp37-manylinux_x86_64', path='/opt/python/cp37-cp37m'),
+        PythonConfiguration(identifier='cp38-manylinux_x86_64', path='/opt/python/cp38-cp38'),
         PythonConfiguration(identifier='cp27-manylinux_i686', path='/opt/python/cp27-cp27m'),
         PythonConfiguration(identifier='cp27-manylinux_i686', path='/opt/python/cp27-cp27mu'),
         PythonConfiguration(identifier='cp35-manylinux_i686', path='/opt/python/cp35-cp35m'),
         PythonConfiguration(identifier='cp36-manylinux_i686', path='/opt/python/cp36-cp36m'),
         PythonConfiguration(identifier='cp37-manylinux_i686', path='/opt/python/cp37-cp37m'),
+        PythonConfiguration(identifier='cp38-manylinux_i686', path='/opt/python/cp38-cp38'),
     ]
 
     # skip builds as required

cibuildwheel/macos.py

@@ -18,6 +18,7 @@ def get_python_configurations(build_selector):
         PythonConfiguration(version='3.5', identifier='cp35-macosx_10_6_intel', url='https://www.python.org/ftp/python/3.5.4/python-3.5.4-macosx10.6.pkg'),
         PythonConfiguration(version='3.6', identifier='cp36-macosx_10_6_intel', url='https://www.python.org/ftp/python/3.6.8/python-3.6.8-macosx10.6.pkg'),
         PythonConfiguration(version='3.7', identifier='cp37-macosx_10_6_intel', url='https://www.python.org/ftp/python/3.7.5/python-3.7.5-macosx10.6.pkg'),
+        PythonConfiguration(version='3.8', identifier='cp38-macosx_10_9_x86_64', url='https://www.python.org/ftp/python/3.8.0/python-3.8.0-macosx10.9.pkg'),
     ]
 
     # skip builds as required

test/shared/utils.py

@@ -54,21 +54,25 @@ def expected_wheels(package_name, package_version):
             '{package_name}-{package_version}-cp35-cp35m-manylinux1_x86_64.whl',
             '{package_name}-{package_version}-cp36-cp36m-manylinux1_x86_64.whl',
             '{package_name}-{package_version}-cp37-cp37m-manylinux1_x86_64.whl',
+            '{package_name}-{package_version}-cp38-cp38-manylinux1_x86_64.whl',
             '{package_name}-{package_version}-cp27-cp27m-manylinux2010_x86_64.whl',
             '{package_name}-{package_version}-cp27-cp27mu-manylinux2010_x86_64.whl',
             '{package_name}-{package_version}-cp35-cp35m-manylinux2010_x86_64.whl',
             '{package_name}-{package_version}-cp36-cp36m-manylinux2010_x86_64.whl',
             '{package_name}-{package_version}-cp37-cp37m-manylinux2010_x86_64.whl',
+            '{package_name}-{package_version}-cp38-cp38-manylinux2010_x86_64.whl',
             '{package_name}-{package_version}-cp27-cp27m-manylinux1_i686.whl',
             '{package_name}-{package_version}-cp27-cp27mu-manylinux1_i686.whl',
             '{package_name}-{package_version}-cp35-cp35m-manylinux1_i686.whl',
             '{package_name}-{package_version}-cp36-cp36m-manylinux1_i686.whl',
             '{package_name}-{package_version}-cp37-cp37m-manylinux1_i686.whl',
+            '{package_name}-{package_version}-cp38-cp38-manylinux1_i686.whl',
             '{package_name}-{package_version}-cp27-cp27m-manylinux2010_i686.whl',
             '{package_name}-{package_version}-cp27-cp27mu-manylinux2010_i686.whl',
             '{package_name}-{package_version}-cp35-cp35m-manylinux2010_i686.whl',
             '{package_name}-{package_version}-cp36-cp36m-manylinux2010_i686.whl',
             '{package_name}-{package_version}-cp37-cp37m-manylinux2010_i686.whl',
+            '{package_name}-{package_version}-cp38-cp38-manylinux2010_i686.whl',
         ]
     elif platform == 'windows':
         templates = [
@@ -89,6 +93,7 @@ def expected_wheels(package_name, package_version):
             '{package_name}-{package_version}-cp35-cp35m-macosx_10_6_intel.whl',
             '{package_name}-{package_version}-cp36-cp36m-macosx_10_6_intel.whl',
             '{package_name}-{package_version}-cp37-cp37m-macosx_10_6_intel.whl',
+            '{package_name}-{package_version}-cp38-cp38-macosx_10_9_x86_64.whl',
         ]
     else:
         raise Exception('unsupported platform')