fix travis build (#543)

* update some MySQL and PyPy3 versions
* stop using tox
* not use cache for MySQL download
* don't use sudo
* Use trusty vm
* don't install mariadb-test package
* Throw away PAM. I can't maintain it.
* remove tests using same Python version
* travis: Add "3.7-dev" python

.travis.yml

@@ -1,84 +1,55 @@
-sudo: false
+sudo: required
+dist: trusty
 language: python
-python: "3.5"
-cache:
-    directories:
-        - $HOME/.cache/pip
-        - $HOME/mysql
+python:
+  - "3.7-dev"
+  - "3.6"
+  - "2.6"
+  - "pypy3.3-5.2-alpha1"
 
-env:
-    matrix:
-        - TOX_ENV=py26
-        - TOX_ENV=py27
-        - TOX_ENV=py33
-        - TOX_ENV=py34
-        - TOX_ENV=py35
-        - TOX_ENV=pypy
-        - TOX_ENV=pypy3
+cache: pip
 
 matrix:
-    include:
-        - addons:
-             mariadb: 5.5
-          env:
-             - TOX_ENV=py27
-             - EXTRAPKG=mariadb-test
-          sudo: required
+  include:
+    - addons:
+       mariadb: 5.5
+      python: "3.5"
 
-        - addons:
-             mariadb: 10.0
-          env:
-             - TOX_ENV=py33
-             - EXTRAPKG=mariadb-test
-             - PAMCLEAR=1
-          sudo: required
+    - addons:
+       mariadb: 10.0
+      python: "pypy"
 
-        - addons:
-             mariadb: 10.1
-          env:
-             - TOX_ENV=py34
-             - EXTRAPKG=mariadb-test
-          sudo: required
+    - addons:
+       mariadb: 10.1
+      python: "2.7"
 
-        - env:
-             - TOX_ENV=py34
-             - DB=5.6.32
-          addons:
-              apt:
-                 packages:
-                     - libaio-dev
-          python: 3.3
+    - env:
+       - DB=5.6.35
+      addons:
+        apt:
+          packages:
+            - libaio-dev
+      python: "3.3"
+
+    - env:
+       - DB=5.7.17
+      addons:
+        apt:
+          packages:
+            - libaio-dev
+      python: "3.4"
 
-        - env:
-             - TOX_ENV=py34
-             - DB=5.7.14
-          addons:
-              apt:
-                 packages:
-                     - libaio-dev
-          python: 3.4
 
-    allow_failures:
-        - env: DB=5.7.14
 
 # different py version from 5.6 and 5.7 as cache seems to be based on py version
-
 # http://dev.mysql.com/downloads/mysql/5.7.html has latest development release version
-
 # really only need libaio1 for DB builds however libaio-dev is whitelisted for container builds and liaio1 isn't
-
 install:
     - if [ -n "${EXTRAPKG}" ]; then
           sudo apt-get install ${EXTRAPKG};
       fi
-    - if [ -n "${PAMCLEAR}" ]; then
-          echo -e '[mysqld]\n\npam-use-cleartext-plugin' | sudo tee -a /etc/mysql/conf.d/pam-cleartext.cnf;
-          mysql -u root -e "install plugin pam soname 'auth_pam.so'";
-          sudo service mysql restart;
-      fi
     - export PASSWORD=travis;
-    - export PAMSERVICE=chfn;
-    - pip install -U tox coveralls
+    - pip install -U coveralls unittest2 coverage
 
 before_script:
     - ./.travis/initializedb.sh
@@ -87,21 +58,18 @@ before_script:
     - mysql -u root -e "create user travis_pymysql2 identified by 'some password'; grant all on test_pymysql2.* to travis_pymysql2;"
     - mysql -u root -e "create user travis_pymysql2@localhost identified by 'some password'; grant all on test_pymysql2.* to travis_pymysql2@localhost;"
     - mysql -e 'select VERSION()'
+    - python -VV
     - rm -f ~/.my.cnf # set in .travis.initialize.db.sh for the above commands - we should be using database.json however
     - export COVERALLS_PARALLEL=true
 
 script:
-    - tox -e $TOX_ENV
+  - coverage run ./runtests.py
 
 after_success:
     - coveralls
     - cat /tmp/mysql.err
-    - if [ -n "${PAMCLEAR}" ]; then
-         sudo cat /var/log/syslog;
-      fi
 
 after_failure:
     - cat /tmp/mysql.err
-    - if [ -n "${PAMCLEAR}" ]; then
-         sudo cat /var/log/syslog;
-      fi
+
+# vim: sw=2 ts=2 sts=2 expandtab