Remove unused methods from utils.py

Most of these methods were imported when we forked away from
python-novaclient, but over the course of time, their existence
became redundant as no file seems to be importing them. Such
methods are removed in this change.

Change-Id: Ic93fc92ce624eefaeaca6de5c8fd965e88159030

cinderclient/utils.py

@@ -17,7 +17,6 @@ from __future__ import print_function
 
 import os
 import pkg_resources
-import re
 import sys
 import uuid
 
@@ -62,45 +61,6 @@ def add_arg(f, *args, **kwargs):
         f.arguments.insert(0, (args, kwargs))
 
 
-def add_resource_manager_extra_kwargs_hook(f, hook):
-    """Adds hook to bind CLI arguments to ResourceManager calls.
-
-    The `do_foo` calls in shell.py will receive CLI args and then in turn pass
-    them through to the ResourceManager. Before passing through the args, the
-    hooks registered here will be called, giving us a chance to add extra
-    kwargs (taken from the command-line) to what's passed to the
-    ResourceManager.
-    """
-    if not hasattr(f, 'resource_manager_kwargs_hooks'):
-        f.resource_manager_kwargs_hooks = []
-
-    names = [h.__name__ for h in f.resource_manager_kwargs_hooks]
-    if hook.__name__ not in names:
-        f.resource_manager_kwargs_hooks.append(hook)
-
-
-def get_resource_manager_extra_kwargs(f, args, allow_conflicts=False):
-    """Return extra_kwargs by calling resource manager kwargs hooks."""
-    hooks = getattr(f, "resource_manager_kwargs_hooks", [])
-    extra_kwargs = {}
-    for hook in hooks:
-        hook_name = hook.__name__
-        hook_kwargs = hook(args)
-
-        conflicting_keys = set(hook_kwargs.keys()) & set(extra_kwargs.keys())
-        if conflicting_keys and not allow_conflicts:
-            msg = ("Hook '%(hook_name)s' is attempting to redefine attributes "
-                   "'%(conflicting_keys)s'" % {
-                       'hook_name': hook_name,
-                       'conflicting_keys': conflicting_keys
-                   })
-            raise Exception(msg)
-
-        extra_kwargs.update(hook_kwargs)
-
-    return extra_kwargs
-
-
 def unauthenticated(f):
     """
     Adds 'unauthenticated' attribute to decorated function.
@@ -143,10 +103,6 @@ def get_service_type(f):
     return getattr(f, 'service_type', None)
 
 
-def pretty_choice_list(l):
-    return ', '.join("'%s'" % i for i in l)
-
-
 def _print(pt, order):
     if sys.version_info >= (3, 0):
         print(pt.get_string(sortby=order))
@@ -295,23 +251,3 @@ def _load_entry_point(ep_name, name=None):
             return ep.load()
         except (ImportError, pkg_resources.UnknownExtra, AttributeError):
             continue
-
-_slugify_strip_re = re.compile(r'[^\w\s-]')
-_slugify_hyphenate_re = re.compile(r'[-\s]+')
-
-
-# http://code.activestate.com/recipes/
-#   577257-slugify-make-a-string-usable-in-a-url-or-filename/
-def slugify(value):
-    """
-    Normalizes string, converts to lowercase, removes non-alpha characters,
-    and converts spaces to hyphens.
-
-    From Django's "django/template/defaultfilters.py".
-    """
-    import unicodedata
-    if not isinstance(value, six.text_type):
-        value = six.text_type(value)
-    value = unicodedata.normalize('NFKD', value).encode('ascii', 'ignore')
-    value = six.text_type(_slugify_strip_re.sub('', value).strip().lower())
-    return _slugify_hyphenate_re.sub('-', value)