Remove unused file: safe_utils.py

The file safe_utils.py is unused. Remove it.

Change-Id: I177caf78ccffd7be654712ea891b10652860ec91

ironic/common/safe_utils.py

@@ -1,53 +0,0 @@
-# Copyright 2010 United States Government as represented by the
-# Administrator of the National Aeronautics and Space Administration.
-# Copyright 2011 Justin Santa Barbara
-# All Rights Reserved.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-"""Utilities and helper functions that won't produce circular imports."""
-
-import inspect
-
-
-def getcallargs(function, *args, **kwargs):
-    """This is a simplified inspect.getcallargs (2.7+).
-
-    It should be replaced when python >= 2.7 is standard.
-    """
-    keyed_args = {}
-    argnames, varargs, keywords, defaults = inspect.getargspec(function)
-
-    keyed_args.update(kwargs)
-
-    # NOTE(alaski) the implicit 'self' or 'cls' argument shows up in
-    # argnames but not in args or kwargs.  Uses 'in' rather than '==' because
-    # some tests use 'self2'.
-    if 'self' in argnames[0] or 'cls' == argnames[0]:
-        # The function may not actually be a method or have __self__.
-        # Typically seen when it's stubbed with mox.
-        if inspect.ismethod(function) and hasattr(function, '__self__'):
-            keyed_args[argnames[0]] = function.__self__
-        else:
-            keyed_args[argnames[0]] = None
-
-    remaining_argnames = filter(lambda x: x not in keyed_args, argnames)
-    keyed_args.update(dict(zip(remaining_argnames, args)))
-
-    if defaults:
-        num_defaults = len(defaults)
-        for argname, value in zip(argnames[-num_defaults:], defaults):
-            if argname not in keyed_args:
-                keyed_args[argname] = value
-
-    return keyed_args