Issue proper warning if old 'edbob.config' setting is found

tailbone/app.py

@@ -27,7 +27,7 @@ Application Entry Point
 from __future__ import unicode_literals, absolute_import
 
 import os
-import logging
+import warnings
 
 import sqlalchemy as sa
 
@@ -49,9 +49,6 @@ from tailbone.auth import TailboneAuthorizationPolicy
 from tailbone.forms import renderers
 
 
-log = logging.getLogger(__name__)
-
-
 def make_rattail_config(settings):
     """
     Make a Rattail config object from the given settings.
@@ -67,8 +64,9 @@ def make_rattail_config(settings):
             if not path or not os.path.exists(path):
                 raise ConfigurationError("Please set 'rattail.config' in [app:main] section of config "
                                          "to the path of your config file.  Lame, but necessary.")
-            log.warning("using fallback 'edbob.config' setting, but would prefer the "
-                        "'rattail.config' setting under [app:main] if possible...")
+            warnings.warn("[app:main] setting 'edbob.config' is deprecated; "
+                          "please use 'rattail.config' setting instead",
+                          DeprecationWarning)
         rattail_config = make_config(path)
         settings['rattail_config'] = rattail_config
     rattail_config.configure_logging()