Add tox.ini for python linting

Base file from:
c4790b589b/tox.ini

Most failing rules disabled, rather than fixing now

Bug: T355090
Change-Id: Ie0f499809d84b94b95dddac9abd433c8f81e04ce

captcha-old.py

@@ -33,7 +33,6 @@ import os
 import sys
 import re
 import multiprocessing
-import time
 
 try:
 	from PIL import Image
@@ -198,13 +197,13 @@ def run_in_thread(object):
 	fontsize = object[5]
 
 	for i in range(count):
-		word = pick_word(words, badwordlist, verbose, opts.number_words, opts.min_length, opts.max_length)
+		word = pick_word(words, badwordlist, opts.verbose, opts.number_words, opts.min_length, opts.max_length)
 		salt = "%08x" % random.randrange(2**32)
 		# 64 bits of hash is plenty for this purpose
 		md5hash = hashlib.md5((key+salt+word+key+salt).encode('utf-8')).hexdigest()[:16]
 		filename = "image_%s_%s.png" % (salt, md5hash)
 		if opts.dirs:
-			subdir = gen_subdir(opts.output, md5hash, dirs)
+			subdir = gen_subdir(opts.output, md5hash, opts.dirs)
 			filename = os.path.join(subdir, filename)
 		if opts.verbose:
 			print(filename)

captcha.py

@@ -40,7 +40,6 @@ try:
 	from PIL import ImageDraw
 	from PIL import ImageEnhance
 	from PIL import ImageOps
-	from PIL import ImageMath
 except:
 	sys.exit("This script requires the Python Imaging Library - http://www.pythonware.com/products/pil/")
 
@@ -211,7 +210,7 @@ def run_in_thread(object):
 		md5hash = hashlib.md5((opts.key+salt+word+opts.key+salt).encode('utf-8')).hexdigest()[:16]
 		filename = "image_%s_%s.png" % (salt, md5hash)
 		if opts.dirs:
-			subdir = gen_subdir(opts.output, md5hash, dirs)
+			subdir = gen_subdir(opts.output, md5hash, opts.dirs)
 			filename = os.path.join(subdir, filename)
 		if opts.verbose:
 			print(filename)

tox.ini

@@ -0,0 +1,34 @@
+[tox]
+
+# Ensure 1.6+ is used to support 'skipsdist'
+minversion = 1.6
+
+# Do not run install command
+skipsdist = True
+
+# Environements to execute when invoking 'tox'
+envlist = flake8
+
+[testenv:flake8]
+commands = flake8
+deps = flake8
+basepython = python3
+
+[flake8]
+exclude = .tox
+max_line_length = 80
+; E128 continuation line under-indented for visual indent
+; E201 whitespace after '('
+; E202 whitespace before ')'
+; E225 missing whitespace around operator
+; E226 missing whitespace around arithmetic operator
+; E231 missing whitespace after ','
+; E261 at least two spaces before inline comment
+; E302 expected 2 blank lines, found 1
+; E305 expected 2 blank lines after class or function definition, found 1
+; E501 line too long (X > 80 characters)
+; E711 comparison to None should be 'if cond is None:'
+; E722 do not use bare 'except'
+; W191 indentation contains tabs
+; W503 line break before binary operator
+ignore = E128,E201,E202,E225,E226,E302,E305,E231,E261,E501,E711,E722,W191,W503