PEP-8 check all files, once in separate environment, parallel in Travis

Tox: PYTHONDONTWRITEBYTECODE = 1

.travis.yml

@@ -1,6 +1,7 @@
 language: python
 python: 2.7
 env:
+  - TOX_ENV=pep8
   - TOX_ENV=py26selects
   - TOX_ENV=py26poll
   - TOX_ENV=py26epolls
@@ -15,6 +16,7 @@ env:
   - TOX_ENV=pypyepolls
 matrix:
   allow_failures:
+    - env: TOX_ENV=pep8
     - env: TOX_ENV=py33selects
     - env: TOX_ENV=py33poll
     - env: TOX_ENV=py33epolls

tox.ini

@@ -6,13 +6,16 @@ ignore = E261
 max-line-length = 101
 
 [pep8]
+count = 1
 exclude = *.egg*,.env,.git,.hg,.tox,_*,build*,dist*,venv*
 ignore = E261
 max-line-length = 101
 show-source = 1
+statistics = 1
 
 [tox]
 envlist =
+    pep8,
     py26selects,py26poll,py26epolls,
     py27selects,py27poll,py27epolls,
     py33selects,py33poll,py33epolls,
@@ -20,110 +23,114 @@ envlist =
 
 [testenv]
 downloadcache = {toxworkdir}/pip_download_cache
+setenv =
+    PYTHONDONTWRITEBYTECODE = 1
 deps =
     nose==1.3.1
-    pep8==1.5.6
     psycopg2cffi-compat==1.1
     pyopenssl==0.13
     pyzmq==13.1.0
-# For now, PEP-8 check certain files known to be clean
-# TODO: fix the rest of PEP-8 errors, leave only 'pep8 benchmarks/ eventlet/ tests/'
 commands =
-    pep8 \
-        benchmarks/__init__.py \
-        benchmarks/context.py \
-        eventlet/__init__.py \
-        eventlet/backdoor.py \
-        eventlet/debug.py \
-        eventlet/green/__init__.py \
-        eventlet/green/_socket_nodns.py \
-        eventlet/green/ftplib.py \
-        eventlet/green/httplib.py \
-        eventlet/green/OpenSSL/__init__.py \
-        eventlet/green/subprocess.py \
-        eventlet/green/time.py \
-        eventlet/green/urllib.py \
-        eventlet/hubs/__init__.py \
-        eventlet/hubs/timer.py \
-        eventlet/pool.py \
-        eventlet/semaphore.py \
-        eventlet/support/__init__.py \
-        tests/__init__.py \
-        tests/backdoor_test.py \
-        tests/fork_test.py \
-        tests/greendns_test.py \
-        tests/nosewrapper.py \
-        tests/semaphore_test.py \
-        tests/stdlib/test_thread.py \
-        tests/stdlib/test_threading.py \
-        tests/wsgi_test_conntimeout.py
     nosetests --verbose tests/
     nosetests --verbose --with-doctest eventlet/coros.py eventlet/event.py \
         eventlet/pool.py eventlet/pools.py eventlet/proc.py \
         eventlet/queue.py eventlet/timeout.py
 
+[testenv:pep8]
+basepython = python2.7
+setenv =
+    {[testenv]setenv}
+deps =
+    pep8==1.5.6
+commands =
+    pep8 benchmarks/ eventlet/ tests/
+
 [testenv:py26selects]
 basepython = python2.6
-setenv = EVENTLET_HUB = selects
+setenv =
+    {[testenv]setenv}
+    EVENTLET_HUB = selects
 deps =
     {[testenv]deps}
     MySQL-python==1.2.5
 
 [testenv:py26poll]
 basepython = python2.6
-setenv = EVENTLET_HUB = poll
+setenv =
+    {[testenv]setenv}
+    EVENTLET_HUB = poll
 deps =
     {[testenv]deps}
     MySQL-python==1.2.5
 
 [testenv:py26epolls]
 basepython = python2.6
-setenv = EVENTLET_HUB = epolls
+setenv =
+    {[testenv]setenv}
+    EVENTLET_HUB = epolls
 deps =
     {[testenv]deps}
     MySQL-python==1.2.5
 
 [testenv:py27selects]
 basepython = python2.7
-setenv = EVENTLET_HUB = selects
+setenv =
+    {[testenv]setenv}
+    EVENTLET_HUB = selects
 deps =
     {[testenv]deps}
     MySQL-python==1.2.5
 
 [testenv:py27poll]
 basepython = python2.7
-setenv = EVENTLET_HUB = poll
+setenv =
+    {[testenv]setenv}
+    EVENTLET_HUB = poll
 deps =
     {[testenv]deps}
     MySQL-python==1.2.5
 
 [testenv:py27epolls]
 basepython = python2.7
-setenv = EVENTLET_HUB = epolls
+setenv =
+    {[testenv]setenv}
+    EVENTLET_HUB = epolls
 deps =
     {[testenv]deps}
     MySQL-python==1.2.5
 
 [testenv:py33selects]
 basepython = python3.3
-setenv = EVENTLET_HUB = selects
+setenv =
+    {[testenv]setenv}
+    EVENTLET_HUB = selects
 
 [testenv:py33poll]
 basepython = python3.3
-setenv = EVENTLET_HUB = poll
+setenv =
+    {[testenv]setenv}
+    EVENTLET_HUB = poll
 
 [testenv:py33epolls]
 basepython = python3.3
-setenv = EVENTLET_HUB = epolls
+setenv =
+    {[testenv]setenv}
+    EVENTLET_HUB = epolls
 
 [testenv:pypyselects]
 basepython = pypy
-setenv = EVENTLET_HUB = selects
+setenv =
+    {[testenv]setenv}
+    EVENTLET_HUB = selects
 
 [testenv:pypypoll]
 basepython = pypy
-setenv = EVENTLET_HUB = poll
+setenv =
+    {[testenv]setenv}
+    EVENTLET_HUB = poll
 
 [testenv:pypyepolls]
 basepython = pypy
-setenv = EVENTLET_HUB = epolls
+setenv =
+    {[testenv]setenv}
+    EVENTLET_HUB = epolls