moved to pycodestyle, fixed some style issues

example.py

@@ -36,5 +36,6 @@ def main():
     # output the result
     print('Learned a 64bit 2-xor XOR Arbiter PUF from 12000 CRPs with accuracy %f' % accuracy)
 
+
 if __name__ == '__main__':
     main()

linter.py

@@ -33,7 +33,7 @@ def main(arguments):
     parser.add_argument(
         '-e', '--exclude_patterns', help='patterns to identify directories or files which should not be checked '
                                          '(default are env .env)',
-        default=['.env', 'env'], type=str, dest='exclude_patterns', nargs='+',
+        default=['.env', 'env', 'venv', '.venv'], type=str, dest='exclude_patterns', nargs='+',
     )
     args = parser.parse_args(arguments)
 
@@ -43,8 +43,8 @@ def main(arguments):
     # set paths which should not be checked
     excludes = '--exclude={0}'.format(','.join(args.exclude_patterns))
 
-    # run pep8 check
-    pep8_returncode = call([executable, '-m', 'pep8', max_line_length, excludes, args.path])
+    # run pycodestyle check
+    pycodestyle_returncode = call([executable, '-m', 'pycodestyle', max_line_length, excludes, args.path])
 
     # exclude specific directories support to check subdirectories by default
     files_to_check = []
@@ -67,7 +67,7 @@ def main(arguments):
     pylint_returncode = call(pylint_cmd)
 
     returncode = 0
-    if pep8_returncode != 0 or pylint_returncode != 0:
+    if pycodestyle_returncode != 0 or pylint_returncode != 0:
         returncode = 1
 
     exit(returncode)

mv_num_of_votes.py

@@ -98,5 +98,6 @@ def main(args):
     experimenter = Experimenter(args.log_name, experiments)
     experimenter.run()
 
+
 if __name__ == '__main__':
     main(argv[1:])

pypuf/property_test/example.py

@@ -100,5 +100,6 @@ def example_uniqueness_statistic():
     uniqueness_statistic = property_test.uniqueness_statistic(challenges, measurements=measurements)
     print('The uniqueness statistic is {}.'.format(uniqueness_statistic))
 
+
 if __name__ == '__main__':
     main()

requirements.txt

@@ -1,5 +1,5 @@
 numpy~=1.16
-pep8~=1.7
+pycodestyle~=2.4
 polymath==0.1.18
 pylint~=2.2
 pypuf-helper==0.1.5

sim_learn.py

@@ -144,5 +144,6 @@ def main(args):
 
     log_file.close()
 
+
 if __name__ == '__main__':
     main(sys.argv)

stability_calculation.py

@@ -31,6 +31,7 @@ def stability_figure_data(n, k, vote_count, sigma_noise_ratio, num, reps, random
     stabilities = tools.approx_stabilities(instance_mv, num, reps, random)
     print('{' + ','.join(map(str, stabilities)) + '}')
 
+
 if __name__ == "__main__":
     if len(argv) != 8:
         stderr.write('Stability Calculation for MV XOR Arbiter PUF\n')

test/test_experiment.py

@@ -1,7 +1,7 @@
 """This module tests the different experiment classes."""
 import unittest
-from numpy.testing import assert_array_equal
 from test.utility import remove_test_logs, logging, get_functions_with_prefix, LOG_PATH
+from numpy.testing import assert_array_equal
 from pypuf.simulation.arbiter_based.ltfarray import LTFArray, NoisyLTFArray
 from pypuf.experiments.experiment.logistic_regression import ExperimentLogisticRegression
 from pypuf.experiments.experiment.majority_vote import ExperimentMajorityVoteFindVotes