Replace utils method with oslo.utils reflection provided one

Change-Id: Ife14a6acd01a16c4b1092b43fb94942db0e03036

oslo_db/sqlalchemy/test_base.py

@@ -25,12 +25,13 @@
 
 
 import os
+
+from oslo_utils import reflection
 import six
 
 from oslo_db import exception
 from oslo_db.sqlalchemy import provision
 from oslo_db.sqlalchemy import session
-from oslo_db.sqlalchemy import utils
 
 
 class DbFixture(fixtures.Fixture):
@@ -192,7 +193,7 @@ def ins_wrap(self):
             if self.engine.name not in dialects:
                 msg = ('The test "%s" can be run '
                        'only on %s. Current engine is %s.')
-                args = (utils.get_callable_name(f), ' '.join(dialects),
+                args = (reflection.get_callable_name(f), ' '.join(dialects),
                         self.engine.name)
                 self.skip(msg % args)
             else:

oslo_db/sqlalchemy/utils.py

@@ -54,31 +54,6 @@
 _DBURL_REGEX = re.compile(r"[^:]+://([^:]+):([^@]+)@.+")
 
 
-def get_callable_name(function):
-    # TODO(harlowja): Replace this once
-    # it is possible to use https://review.openstack.org/#/c/122495/ which is
-    # a more complete and expansive module that does a similar thing...
-    try:
-        method_self = six.get_method_self(function)
-    except AttributeError:
-        method_self = None
-    if method_self is not None:
-        if isinstance(method_self, six.class_types):
-            im_class = method_self
-        else:
-            im_class = type(method_self)
-        try:
-            parts = (im_class.__module__, function.__qualname__)
-        except AttributeError:
-            parts = (im_class.__module__, im_class.__name__, function.__name__)
-    else:
-        try:
-            parts = (function.__module__, function.__qualname__)
-        except AttributeError:
-            parts = (function.__module__, function.__name__)
-    return '.'.join(parts)
-
-
 def sanitize_db_url(url):
     match = _DBURL_REGEX.match(url)
     if match: