Hacking: do not translate log messages

Log messages are no longer being translated.

See:
http://lists.openstack.org/pipermail/openstack-i18n/2016-November/002574.htmli
http://lists.openstack.org/pipermail/openstack-dev/2017-March/113365.html

Change-Id: I422fa934b27da1c252f72ac3bf94ef468f0d7ef6

HACKING.rst

@@ -12,7 +12,6 @@ Manila Specific Commandments
 - [M310] Check for improper use of logging format arguments.
 - [M312] Use assertIsNone(...) instead of assertEqual(None, ...).
 - [M313] Use assertTrue(...) rather than assertEqual(True, ...).
-- [M319] Validate that debug level logs are not translated.
 - [M323] Ensure that the _() function is explicitly imported to ensure proper translations.
 - [M325] str() and unicode() cannot be used on an exception. Remove or use six.text_type().
 - [M326] Translated messages cannot be concatenated.  String should be
@@ -23,6 +22,7 @@ Manila Specific Commandments
 - [M337] Ensure to not use xrange().
 - [M354] Use oslo_utils.uuidutils to generate UUID instead of uuid4().
 - [M338] Ensure to not use LOG.warn().
+- [M359] Validate that log messages are not translated.
 
 LOG Translations
 ----------------

manila/hacking/checks.py

@@ -37,8 +37,11 @@ Guidelines for writing new hacking checks
 UNDERSCORE_IMPORT_FILES = []
 
 translated_log = re.compile(
-    r"(.)*LOG\.(audit|error|info|warn|warning|critical|exception)"
-    "\(\s*_\(\s*('|\")")
+    r"(.)*LOG\."
+    r"(audit|debug|error|info|warn|warning|critical|exception)"
+    r"\("
+    r"(_|_LE|_LI|_LW)"
+    r"\(")
 string_translation = re.compile(r"[^_]*_\(\s*('|\")")
 underscore_import_check = re.compile(r"(.)*import _$")
 underscore_import_check_multi = re.compile(r"(.)*import (.)*_, (.)*")
@@ -97,21 +100,9 @@ class BaseASTChecker(ast.NodeVisitor):
         return False
 
 
-def no_translate_debug_logs(logical_line, filename):
-    """Check for 'LOG.debug(_('
-
-    As per our translation policy,
-    https://wiki.openstack.org/wiki/LoggingStandards#Log_Translation
-    we shouldn't translate debug level logs.
-
-    * This check assumes that 'LOG' is a logger.
-    * Use filename so we can start enforcing this in specific folders instead
-      of needing to do so all at once.
-
-    M319
-    """
-    if logical_line.startswith("LOG.debug(_("):
-        yield(0, "M319 Don't translate debug level logs")
+def no_translate_logs(logical_line):
+    if translated_log.match(logical_line):
+        yield(0, "M359 Don't translate log messages!")
 
 
 class CheckLoggingFormatArgs(BaseASTChecker):
@@ -196,8 +187,7 @@ def check_explicit_underscore_import(logical_line, filename):
           underscore_import_check_multi.match(logical_line) or
           custom_underscore_check.match(logical_line)):
         UNDERSCORE_IMPORT_FILES.append(filename)
-    elif (translated_log.match(logical_line) or
-          string_translation.match(logical_line)):
+    elif string_translation.match(logical_line):
         yield(0, "M323: Found use of _() without explicit import of _ !")
 
 
@@ -340,7 +330,7 @@ def no_log_warn_check(logical_line):
 
 def factory(register):
     register(check_explicit_underscore_import)
-    register(no_translate_debug_logs)
+    register(no_translate_logs)
     register(CheckForStrUnicodeExc)
     register(CheckLoggingFormatArgs)
     register(CheckForTransAdd)

manila/tests/test_hacking.py

@@ -12,6 +12,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import itertools
 import sys
 import textwrap
 
@@ -57,15 +58,18 @@ class HackingTestCase(test.TestCase):
     should pass.
     """
 
-    def test_no_translate_debug_logs(self):
-        self.assertEqual(1, len(list(checks.no_translate_debug_logs(
-            "LOG.debug(_('foo'))", "manila/scheduler/foo.py"))))
+    @ddt.data(*itertools.product(
+        ('', '_', '_LE', '_LI', '_LW'),
+        ('audit', 'debug', 'error', 'info', 'warn', 'warning', 'critical',
+         'exception',)))
+    @ddt.unpack
+    def test_no_translate_logs(self, log_marker, log_method):
+        code = "LOG.{0}({1}('foo'))".format(log_method, log_marker)
 
-        self.assertEqual(0, len(list(checks.no_translate_debug_logs(
-            "LOG.debug('foo')", "manila/scheduler/foo.py"))))
-
-        self.assertEqual(0, len(list(checks.no_translate_debug_logs(
-            "LOG.info(_('foo'))", "manila/scheduler/foo.py"))))
+        if log_marker:
+            self.assertEqual(1, len(list(checks.no_translate_logs(code))))
+        else:
+            self.assertEqual(0, len(list(checks.no_translate_logs(code))))
 
     def test_check_explicit_underscore_import(self):
         self.assertEqual(1, len(list(checks.check_explicit_underscore_import(