Create Flake8 extension for tempest checks

Implements bp Flake8 extensions for specific tempest style checks

Change-Id: Ica93bcba872ef8b1ecee12c61d8f602f4ae37c2f

tools/hacking/tempest.py

@@ -0,0 +1,42 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2013 IBM Corp.
+#
+#   Licensed under the Apache License, Version 2.0 (the "License"); you may
+#   not use this file except in compliance with the License. You may obtain
+#   a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#   WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#   License for the specific language governing permissions and limitations
+#   under the License.
+
+import re
+
+
+SKIP_DECORATOR = '@testtools.skip('
+
+
+def skip_bugs(physical_line):
+    """Check skip lines for proper bug entries
+
+    T101: Bug not in skip line
+    T102: Bug in message formatted incorrectly
+    """
+
+    pos = physical_line.find(SKIP_DECORATOR)
+
+    skip_re = re.compile(r'^\s*@testtools.skip.*')
+
+    if pos != -1 and skip_re.match(physical_line):
+        bug = re.compile(r'^.*\bbug\b.*', re.IGNORECASE)
+        if bug.match(physical_line) is None:
+            return (pos, 'T101: skips must have an associated bug')
+
+        bug_re = re.compile(r'.*skip\(.*Bug\s\#\d+', re.IGNORECASE)
+
+        if bug_re.match(physical_line) is None:
+            return (pos, 'T102: Bug number formatted incorrectly')

tox.ini

@@ -54,6 +54,9 @@ commands = flake8
 deps = -r{toxinidir}/tools/pip-requires
        -r{toxinidir}/tools/test-requires
 
+[hacking]
+local-check = tools.hacking.tempest.skip_bugs
+
 [flake8]
 ignore = E125,H302,H404
 show-source = True