Add possibility to run 'pep8' checks

Steps to be performed to run 'pep8' checks in local venv:

1) Install 'tox' package first:
    $ pip install tox

2a) Run all the tests (currently, it is only pep8 checks):
    $ tox

2b) Run only 'pep8' checks:
    $ tox -e pep8

Change-Id: I7afc55bbab5bcbeb2920c3439259da2707ff9a04

1 files changed, 20 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
new file mode 100644
index 00000000..460066d9
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,20 @@
+[tox]
+minversion = 2.0
+skipsdist = True
+envlist = pep8
+
+[testenv]
+basepython = python2.7
+setenv = VIRTUAL_ENV={envdir}
+whitelist_externals = find
+commands = find . -type f -name "*.py[c|o]" -delete
+
+[testenv:pep8]
+deps = -r{toxinidir}/test-requirements.txt
+commands = flake8 {posargs}
+
+[testenv:venv]
+commands = {posargs}
+
+[flake8]
+exclude = .git,.tox,.venv,*egg,docs,examples,templates