Use pytest instead of nose for running tests via tox

  - use pytest-sugar for pretty output
  - add linting to each python tox environment
  - drop lint as separate tox target
  - replace travis_selector.sh with shell magic

.gitignore

@@ -6,6 +6,7 @@ dist
 MANIFEST
 env
 servers/*/kafka-bin
-.coverage
+.coverage*
 .noseids
 docs/_build
+.cache*

.travis.yml

@@ -48,7 +48,7 @@ deploy:
     # branch: master
 
 script:
-  - if [ -n "$UNIT_AND_LINT_ONLY" ]; then tox -e lint,`./travis_selector.sh $TRAVIS_PYTHON_VERSION`; else tox -e `./travis_selector.sh $TRAVIS_PYTHON_VERSION`; fi
+  - tox -e ${TRAVIS_PYTHON_VERSION/./}
 
 after_success:
   - coveralls

tox.ini

@@ -1,48 +1,23 @@
 [tox]
-envlist = lint, py26, py27, pypy, py33, py34, py35, docs
+envlist = py{26,27,py,33,34,35}, docs
 
 [testenv]
 deps =
-    nose
-    nose-timer
-    coverage
+    pytest
+    pytest-cov
+    pytest-catchlog
+    pytest-pylint
+    pytest-sugar
     mock
     python-snappy
+    py{26,27}: six
+    py26: unittest2
 commands =
-    nosetests {posargs:-v -x --with-id --id-file={envdir}/.noseids --with-timer --timer-top-n 10 --with-coverage --cover-erase --cover-package kafka}
+    py.test {posargs:--pylint --pylint-rcfile=pylint.rc --pylint-error-types=EF --durations=10 --cov=kafka --doctest-modules kafka test}
 setenv =
-    NOSE_LOGFORMAT = %(asctime)s - %(thread)d - %(name)s - %(levelname)s - %(message)s
     PROJECT_ROOT = {toxinidir}
 passenv = KAFKA_VERSION
 
-[testenv:py26]
-deps =
-    six
-    unittest2
-    nose
-    nose-timer
-    coverage
-    mock
-    python-snappy
-
-[testenv:py27]
-deps =
-    six
-    unittest2
-    nose
-    nose-timer
-    coverage
-    mock
-    python-snappy
-
-[testenv:lint]
-basepython = python2.7
-deps =
-    unittest2
-    mock
-    pylint
-commands = pylint --rcfile=pylint.rc {posargs: -E kafka test}
-
 [testenv:docs]
 deps =
     sphinxcontrib-napoleon