Treat LOG.warning and LOG.warn same

8510d3aaee removed N331
checking, so now we need treat LOG.warn and LOG.warning
same, so this patch adds the same checking to LOG.warn.

Change-Id: Ifb3addfe116f8f7abb8750826b0217dfbd766439

HACKING.rst

@@ -39,7 +39,7 @@ Nova Specific Commandments
 - [N326] Translated messages cannot be concatenated.  String should be included in translated message.
 - [N328] Validate that LOG.info messages use _LI.
 - [N329] Validate that LOG.exception messages use _LE.
-- [N330] Validate that LOG.warning messages use _LW.
+- [N330] Validate that LOG.warning and LOG.warn messages use _LW.
 - [N332] Check that the api_version decorator is the first decorator on a method
 - [N333] Check for oslo library imports use the non-namespaced packages
 - [N334] Change assertTrue/False(A in/not in B, message) to the more specific

nova/hacking/checks.py

@@ -79,9 +79,7 @@ log_translation_info = re.compile(
 log_translation_exception = re.compile(
     r"(.)*LOG\.(exception)\(\s*(_\(|'|\")")
 log_translation_LW = re.compile(
-    r"(.)*LOG\.(warning)\(\s*(_\(|'|\")")
-log_warn = re.compile(
-    r"(.)*LOG\.(warn)\(\s*('|\"|_)")
+    r"(.)*LOG\.(warning|warn)\(\s*(_\(|'|\")")
 translated_log = re.compile(
     r"(.)*LOG\.(audit|error|info|critical|exception)"
     "\(\s*_\(\s*('|\")")
@@ -345,7 +343,7 @@ def validate_log_translations(logical_line, physical_line, filename):
     msg = "N329: LOG.exception messages require translations `_LE()`!"
     if log_translation_exception.match(logical_line):
         yield (0, msg)
-    msg = "N330: LOG.warning messages require translations `_LW()`!"
+    msg = "N330: LOG.warning, LOG.warn messages require translations `_LW()`!"
     if log_translation_LW.match(logical_line):
         yield (0, msg)
     msg = "N321: Log messages require translations!"

nova/tests/unit/test_hacking.py

@@ -211,7 +211,7 @@ class HackingTestCase(test.NoDBTestCase):
             "CONF.option = 1", "nova/compute/foo.py"))), 0)
 
     def test_log_translations(self):
-        logs = ['audit', 'error', 'info', 'warning', 'critical',
+        logs = ['audit', 'error', 'info', 'warning', 'critical', 'warn',
                 'exception']
         levels = ['_LI', '_LW', '_LE', '_LC']
         debug = "LOG.debug('OK')"