Improve hacking rule to avoid author markers

The case with the tag "moduleauthor" is not handled when
checking to avoid author makers.
Also fix the position when the tag Author is used.

Change-Id: I17b07b9f5448f9cbb4c5705f655c5392316a6239
Closes-Bug: #1314176

nova/api/metadata/__init__.py

@@ -19,5 +19,4 @@
 .. automodule:: nova.api.metadata
    :platform: Unix
    :synopsis: Metadata Server for Nova
-.. moduleauthor:: Vishvananda Ishaya <vishvananda@gmail.com>
 """

nova/console/__init__.py

@@ -19,5 +19,4 @@
    :platform: Unix
    :synopsis: Wrapper around console proxies such as xvp to set up
               multitenant VM console access
-.. moduleauthor:: Monsyne Dragon <mdragon@rackspace.com>
 """

nova/hacking/checks.py

@@ -37,7 +37,8 @@ virt_import_re = re.compile(
     r"^\s*(?:import|from) nova\.(?:tests\.)?virt\.(\w+)")
 virt_config_re = re.compile(
     r"CONF\.import_opt\('.*?', 'nova\.virt\.(\w+)('|.)")
-author_tag_re = re.compile("^\s*#\s*@?(a|A)uthor:")
+author_tag_re = (re.compile("^\s*#\s*@?(a|A)uthor:"),
+                 re.compile("^\.\.\s+moduleauthor::"))
 asse_trueinst_re = re.compile(
                      r"(.)*assertTrue\(isinstance\((\w|\.|\'|\"|\[|\])+, "
                      "(\w|\.|\'|\"|\[|\])+\)\)")
@@ -158,9 +159,13 @@ def no_vi_headers(physical_line, line_number, lines):
 
 
 def no_author_tags(physical_line):
-    if author_tag_re.match(physical_line):
-        pos = physical_line.find('author')
-        return pos, "N315: Don't use author tags"
+    for regex in author_tag_re:
+        if regex.match(physical_line):
+            physical_line = physical_line.lower()
+            pos = physical_line.find('moduleauthor')
+            if pos < 0:
+                pos = physical_line.find('author')
+            return pos, "N315: Don't use author tags"
 
 
 def assert_true_instance(logical_line):

nova/scheduler/__init__.py

@@ -19,7 +19,4 @@
 .. automodule:: nova.scheduler
    :platform: Unix
    :synopsis: Module that picks a compute node to run a VM instance.
-.. moduleauthor:: Sandy Walsh <sandy.walsh@rackspace.com>
-.. moduleauthor:: Ed Leafe <ed@leafe.com>
-.. moduleauthor:: Chris Behrens <cbehrens@codestud.com>
 """

nova/tests/test_hacking.py

@@ -54,7 +54,11 @@ class HackingTestCase(test.NoDBTestCase):
         self.assertTrue(checks.no_author_tags("# @author: jogo"))
         self.assertTrue(checks.no_author_tags("# @Author: jogo"))
         self.assertTrue(checks.no_author_tags("# Author: jogo"))
+        self.assertTrue(checks.no_author_tags(".. moduleauthor:: jogo"))
         self.assertFalse(checks.no_author_tags("# authorization of this"))
+        self.assertEqual(2, checks.no_author_tags("# author: jogo")[0])
+        self.assertEqual(2, checks.no_author_tags("# Author: jogo")[0])
+        self.assertEqual(3, checks.no_author_tags(".. moduleauthor:: jogo")[0])
 
     def test_assert_true_instance(self):
         self.assertEqual(len(list(checks.assert_true_instance(