Release updates for python-3.8 and removing python2

.travis.yml

@@ -11,7 +11,6 @@ install: skip
 before_install: skip
 
 stages:
-- verify
 - test
 - name: deploy latest docs
   if: (branch = master OR branch =~ ^infra/$) AND type = push
@@ -28,59 +27,40 @@ script:
 - if [[ "$TRAVIS_OS_NAME" != "linux" ]]; then ./.travis/build.sh; fi
 
 jobs:
-  include:
-  - &docker_verify
-    stage: verify
-    env: DISTRO=fedora:latest PYTHON="2"
-    script:
-    - source ./.travis/lib-util.sh
-    - util::docker-run $DISTRO ./.travis/verify.sh
-
-  - <<: *docker_verify
-    env: DISTRO=fedora:latest PYTHON="3"
-
-
   # need to explictly define each builder for test due to different os types
+  include:
   - stage: test
-    env: DISTRO=debian:stable PYTHON="2"
-
-  - stage: test
-    env: DISTRO=debian:stable PYTHON="3" # 3.4, not 3.5
+    env: DISTRO=debian:stable PYTHON="3" # 3.7
 
   - stage: test
     env: DISTRO=debian:stable PYTHON="3" KRB5_VER="heimdal"
 
+  # el7 doesn't do python3 modules, and epel7's python3-gssapi is patched
   - stage: test
-    env: DISTRO=centos:7 PYTHON="2" # el7 doesn't do python3 modules
-
-  - stage: test
-    env: DISTRO=fedora:latest PYTHON="3"
+    env: DISTRO=centos:8 PYTHON="3"
 
   - stage: test
-    env: DISTRO=fedora:latest PYTHON="2"
+    env: DISTRO=fedora:latest PYTHON="3" FLAKE="yes"
 
+  # Travis defaults to 10.13 (i.e., not latest), so specify osx_image
   - &osx_test
     stage: test
-    env: PYTHON="2" KRB5_VER="heimdal" PYENV="2.7.14"
+    env: PYTHON="3" KRB5_VER="heimdal" PYENV="3.6.3"
     os: osx
     osx_image: xcode9.2
     language: generic # causes issues with pyenv installer when set to python
 
-  - <<: *osx_test
-    env: PYTHON="3" KRB5_VER="heimdal" PYENV="3.6.3"
-
   - &win_test
     stage: test
-    env: PYTHON="2" PYENV="2.7.16" EXTRA_BUILDEXT="--compiler=mingw32"
+    env: PYTHON="3" PYENV="3.8.1"
     os: windows
     language: sh  # Windows not supported yet
 
-  - <<: *win_test
-    env: PYTHON="3" PYENV="3.6.8"
-
   - <<: *win_test
     env: PYTHON="3" PYENV="3.7.3"
 
+  - <<: *win_test
+    env: PYTHON="3" PYENV="3.6.8"
 
   - stage: deploy latest docs
     script: skip
@@ -99,7 +79,6 @@ jobs:
       on:
         all_branches: true
 
-
   - stage: deploy
     script: skip
     env:
@@ -146,17 +125,17 @@ jobs:
       - ./.travis/before-deploy-windows-wheels.sh
       - ./.travis/deploy-win.sh
     env:
-      - PYTHON="2"
-      - PYENV="2.7.16"
-      - EXTRA_BUILDEXT="--compiler=mingw32"
+      - PYTHON="3"
+      - PYENV="3.8.1"
     language: sh # Travis doesn't support python here
 
   - <<: *win_deploy
     env:
       - PYTHON="3"
-      - PYENV="3.6.8"
+      - PYENV="3.7.3"
 
   - <<: *win_deploy
     env:
       - PYTHON="3"
-      - PYENV="3.7.3"
+      - PYENV="3.6.8"
+

.travis/build.sh

@@ -4,6 +4,28 @@
 source ./.travis/lib-setup.sh
 setup::install
 
+if [ x"$FLAKE" = "xyes" ]; then
+    flake8 setup.py
+    F8_SETUP=$?
+
+    flake8 gssapi
+    F8_PY=$?
+
+    # Cython requires special flags since it is not proper Python:
+    # - E225: missing whitespace around operator
+    # - E226: missing whitespace around arithmetic operator
+    # - E227: missing whitespace around bitwise or shift operator
+    # - E402: module level import not at top of file (needed for the `GSSAPI="blah" lines)
+    # - E901: SyntaxError or IndentationError
+    # - E999: Internal AST compilation error (flake8 specific)
+    flake8 gssapi --filename='*.pyx,*.pxd' --ignore=E225,E226,E227,E402,E901,E999
+    F8_MAIN_CYTHON=$?
+
+    if [ $F8_SETUP -ne 0 -o $F8_PY -ne 0 -o $F8_MAIN_CYTHON -ne 0 ]; then
+        exit 1
+    fi
+fi
+
 # always build in-place so that Sphinx can find the modules
 python setup.py build_ext --inplace $EXTRA_BUILDEXT
 BUILD_RES=$?

.travis/lib-setup.sh

@@ -31,8 +31,8 @@ setup::debian::install() {
 }
 
 setup::rh::yuminst() {
-    # yum has no update-only verb
-    yum -y --nogpgcheck install $@
+    # yum has no update-only verb.  Also: modularity just makes this slower.
+    yum -y --nogpgcheck --disablerepo=\*modul\* install $@
 }
 
 setup::centos::install() {
@@ -67,7 +67,8 @@ setup::rh::install() {
 }
 
 setup::macos::install() {
-    # install Python from pyenv so we know what version is being used
+    # Install Python from pyenv so we know what version is being used.  This
+    # doesn't work for newer macos.
     pyenv install $PYENV
     pyenv global $PYENV
     virtualenv -p $(pyenv which python) .venv
@@ -83,13 +84,6 @@ setup::windows::install() {
     # Update path to include them
     export PATH="$PYPATH:$PYPATH/Scripts:/c/Program Files/MIT/Kerberos/bin:$PATH"
 
-    if [ "${PYENV:0:1}" == "2" ]; then
-        choco install vcredist2008
-        # Skip dotnet dependency:
-        # https://github.com/fredrikaverpil/vcpython27/pull/3
-        choco install --ignore-dependencies vcpython27
-    fi
-
     python -m pip install --upgrade pip
 }
 

.travis/lib-util.sh

@@ -11,6 +11,7 @@ util::docker-run() {
     -e PKG_NAME_VER=$PKG_NAME_VER \
     -e KRB5_VER=$KRB5_VER \
     -e PYTHON=$PYTHON \
+    -e FLAKE=$FLAKE \
     $distro \
     /bin/bash -ex $@
 }