Cleanup tox file

Add env variables (and documentation) instead of hardcoded (dmp only) paths

Docker-DCO-1.1-Signed-off-by: Olivier Gambier <[email protected]> (github: dmp42)

Author: Olivier Gambier

CONTRIBUTE.md

@@ -103,3 +103,10 @@ Pretty much:
 
 Drivers are expected to receive bytes and to return bytes.
 Don't try to decode or encode content.
+
+## Development environement notes
+
+We don't currently run any tests for python3, as we are stuck on gevent not being py3 ready.
+
+On OSX, in order for the dependencies to compile properly (inside tox venv) you might need to have extra include and lib specified. Environment variables are provided for that, namely $TOX_INCLUDE and $TOX_LIB.
+

tox.ini

@@ -1,20 +1,15 @@
-# py34 support: flask is borked
-
 [tox]
 envlist     = flake8, py26, py27
-# py26,py32,py33,py34
 # skipsdist = True
 
 [flake8]
-ignore      = H102,H304
 exclude     = .tox,.git,*.egg,build
+ignore      = H102,H304
 
 [testenv]
 # XXX clang, latest OSX:
 #       http://bruteforce.gr/bypassing-clang-error-unknown-argument.html
-# XXX you might also need extra includes (for lzma-dev / xz) if you are on OSX
-# XXX and you might also need extra linkage (for gevent), same reason
-setenv   =  ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future -I/Users/dmp/bin/homebrew/include -L/Users/dmp/bin/homebrew/lib
+setenv   =  ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future -I{env:TOX_INCLUDE} -L{env:TOX_LIB}
             SETTINGS_FLAVOR=test
             DOCKER_REGISTRY_CONFIG=config_sample.yml
 
@@ -35,5 +30,4 @@ commands    = python setup.py nosetests
 install_command = pip install {opts} {packages}
 deps        = ./depends/docker-registry-core/
               -rrequirements/style.txt
-commands    = flake8 .
-
+commands    = flake8 {toxinidir}