Add pep8 script

Makefile

@@ -40,8 +40,12 @@ lint:
 	python3 /usr/bin/flake8 bin/$(PYTHONSRC)-tui --ignore=F403
 	python3 /usr/bin/flake8 --exclude $(PYTHONSRC)/tests/ $(PYTHONSRC) --ignore=F403
 
+pep8:
+	echo "Running $Q tests..."
+	@$(CWD)/scripts/run-pep8
+
 pyflakes3:
-	echo "Running pyflakes tests..."
+	echo "Running $Q tests..."
 	@$(CWD)/scripts/run-pyflakes3
 
 unit:

scripts/run-pep8

@@ -0,0 +1,29 @@
+#!/bin/bash
+# This file is part of subiquity. See LICENSE file for copyright and license info.
+
+pycheck_dirs=(
+    "console_conf/"
+    "subiquity/"
+    "subiquitycore/"
+    "tests/"
+)
+bin_files=( )
+CR="
+"
+[ "$1" = "-v" ] && { verbose="$1"; shift; } || verbose=""
+
+set -f
+if [ $# -eq 0 ]; then unset IFS
+   IFS="$CR"
+   files=( "${bin_files[@]}" "${pycheck_dirs[@]}" )
+   unset IFS
+else
+   files=( "$@" )
+fi
+
+myname=${0##*/}
+cmd=( "${myname#run-}" $verbose "${files[@]}" )
+echo "Running: " "${cmd[@]}" 1>&2
+exec "${cmd[@]}"
+
+# vi: ts=4 expandtab syntax=sh