tox: update code-checks to use flake8

Most of the warnings are disabled for now, there's lots of whitespace
issues to fix.

1 files changed, 22 insertions, 2 deletions

diff --git a/tox.ini b/tox.ini
index 0e3cea2..1aab69a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,5 +17,25 @@ commands = coverage run -m pytest {posargs:src/ecdsa}
 commands = {envpython} speed.py
 
 [testenv:codechecks]
-deps = pyflakes
-commands = pyflakes setup.py speed.py src
+basepython = python3.5
+deps =
+     pyflakes
+     flake8
+commands =
+         flake8 setup.py speed.py src
+
+
+[flake8]
+exclude = src/ecdsa/test*.py
+# We're just getting started. For now, ignore the following problems:
+# E111: indentation is not a multiple of four
+# E114: indentation is not a multiple of four (comment)
+# E226: missing whitespace around arithmetic operator
+# E231: missing whitespace after ','
+# E266: too many leading '#' for block comment
+# E302: expected 2 blank lines, found 1
+# E305: expected 2 blank lines after class or function defintion, found 1
+# E501: line too long
+# E502: the backslash is redundant between brackets
+# W391: blank line at end of file
+ignore = E111,E114,E226,E231,E266,E302,E305,E501,E502,W391