Remove unused methods from cinder.utils

These methods were left over from the split from Nova and are unused still.

Remove methods:
	is_valid_ipv4()
	make_dev_path()
	convert_to_list_dict()
	partition_dict()
	subset_dict()

Change-Id: Icb36aa6a2d1f607c440a2d524d3480de23d1cb7a

diff --git a/cinder/utils.py b/cinder/utils.py
index 8942c273d6db188df16dbdcecb6a64041d8f7611..4822dae2964f9cdc6c43a3c6ea1ce83ee6884831 100644 (file)
--- a/cinder/utils.py
+++ b/cinder/utils.py
@@ -730,18 +730,6 @@ def flatten_dict(dict_, flattened=None):
     return flattened
 
 
-def partition_dict(dict_, keys):
-    """Return two dicts, one with `keys` the other with everything else."""
-    intersection = {}
-    difference = {}
-    for key, value in dict_.iteritems():
-        if key in keys:
-            intersection[key] = value
-        else:
-            difference[key] = value
-    return intersection, difference
-
-
 def map_dict_keys(dict_, key_map):
     """Return a dict in which the dictionaries keys are mapped to new keys."""
     mapped = {}
@@ -751,12 +739,6 @@ def map_dict_keys(dict_, key_map):
     return mapped
 
 
-def subset_dict(dict_, keys):
-    """Return a dict that only contains a subset of keys."""
-    subset = partition_dict(dict_, keys)[0]
-    return subset
-
-
 def check_isinstance(obj, cls):
     """Checks that obj is of type cls, and lets PyLint infer types."""
     if isinstance(obj, cls):
@@ -775,22 +757,6 @@ def is_valid_boolstr(val):
             val == '1' or val == '0')
 
 
-def is_valid_ipv4(address):
-    """valid the address strictly as per format xxx.xxx.xxx.xxx.
-    where xxx is a value between 0 and 255.
-    """
-    parts = address.split(".")
-    if len(parts) != 4:
-        return False
-    for item in parts:
-        try:
-            if not 0 <= int(item) <= 255:
-                return False
-        except ValueError:
-            return False
-    return True
-
-
 def monkey_patch():
     """If the CONF.monkey_patch set as True,
     this function patches a decorator
@@ -834,15 +800,6 @@ def monkey_patch():
                         decorator("%s.%s" % (module, key), func))
 
 
-def convert_to_list_dict(lst, label):
-    """Convert a value or list into a list of dicts"""
-    if not lst:
-        return None
-    if not isinstance(lst, list):
-        lst = [lst]
-    return [{label: x} for x in lst]
-
-
 def timefunc(func):
     """Decorator that logs how long a particular function took to execute"""
     @functools.wraps(func)
@@ -877,21 +834,6 @@ def logging_error(message):
             LOG.exception(message)
 
 
-def make_dev_path(dev, partition=None, base='/dev'):
-    """Return a path to a particular device.
-
-    >>> make_dev_path('xvdc')
-    /dev/xvdc
-
-    >>> make_dev_path('xvdc', 1)
-    /dev/xvdc1
-    """
-    path = os.path.join(base, dev)
-    if partition:
-        path += str(partition)
-    return path
-
-
 def total_seconds(td):
     """Local total_seconds implementation for compatibility with python 2.6"""
     if hasattr(td, 'total_seconds'):