/usr/lib/python2.7/dist-packages/pyVmomi/Differ.py is in python-pyvmomi 5.5.0-2014.1.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 | # VMware vSphere Python SDK
# Copyright (c) 2008-2014 VMware, Inc. 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.
## Diff any two objects
from six import text_type
from six import u
from pyVmomi import VmomiSupport, types
import itertools
import logging
from VmomiSupport import GetWsdlName, Type
__Log__ = logging.getLogger('ObjDiffer')
def LogIf(condition, message):
"""Log a message if the condition is met"""
if condition:
__Log__.debug(message)
def IsPrimitiveType(obj):
"""See if the passed in type is a Primitive Type"""
return (isinstance(obj, types.bool) or isinstance(obj, types.byte) or
isinstance(obj, types.short) or isinstance(obj, types.int) or
isinstance(obj, types.double) or isinstance(obj, types.float) or
isinstance(obj, types.long) or isinstance(obj, types.str) or
isinstance(obj, text_type) or
isinstance(obj, types.PropertyPath) or
isinstance(obj, types.ManagedMethod) or
isinstance(obj, types.datetime) or
isinstance(obj, types.URI) or isinstance(obj, type))
class Differ:
"""Class for comparing two Objects"""
def __init__(self, looseMatch=False, ignoreArrayOrder=True):
self._looseMatch = looseMatch
self._ignoreArrayOrder = ignoreArrayOrder
def DiffAnyObjects(self, oldObj, newObj, isObjLink=False):
"""Diff any two Objects"""
if oldObj == newObj:
return True
if not oldObj or not newObj:
__Log__.debug('DiffAnyObjects: One of the objects is unset.')
return self._looseMatch
oldObjInstance = oldObj
newObjInstance = newObj
if isinstance(oldObj, list):
oldObjInstance = oldObj[0]
if isinstance(newObj, list):
newObjInstance = newObj[0]
# Need to see if it is a primitive type first since type information
# will not be available for them.
if (IsPrimitiveType(oldObj) and IsPrimitiveType(newObj)
and oldObj.__class__.__name__ == newObj.__class__.__name__):
if oldObj == newObj:
return True
elif oldObj == None or newObj == None:
__Log__.debug('DiffAnyObjects: One of the objects in None')
return False
oldType = Type(oldObjInstance)
newType = Type(newObjInstance)
if oldType != newType:
__Log__.debug('DiffAnyObjects: Types do not match %s != %s' %
(repr(GetWsdlName(oldObjInstance.__class__)),
repr(GetWsdlName(newObjInstance.__class__))))
return False
elif isinstance(oldObj, list):
return self.DiffArrayObjects(oldObj, newObj, isObjLink)
elif isinstance(oldObjInstance, types.ManagedObject):
return (not oldObj and not newObj) or (oldObj and newObj
and oldObj._moId == newObj._moId)
elif isinstance(oldObjInstance, types.DataObject):
if isObjLink:
bMatch = oldObj.GetKey() == newObj.GetKey()
LogIf(not bMatch, 'DiffAnyObjects: Keys do not match %s != %s'
% (oldObj.GetKey(), newObj.GetKey()))
return bMatch
return self.DiffDataObjects(oldObj, newObj)
else:
raise TypeError("Unknown type: "+repr(GetWsdlName(oldObj.__class__)))
def DiffDoArrays(self, oldObj, newObj, isElementLinks):
"""Diff two DataObject arrays"""
if len(oldObj) != len(newObj):
__Log__.debug('DiffDoArrays: Array lengths do not match %d != %d'
% (len(oldObj), len(newObj)))
return False
for i, j in itertools.izip(oldObj, newObj):
if isElementLinks:
if i.GetKey() != j.GetKey():
__Log__.debug('DiffDoArrays: Keys do not match %s != %s'
% (i.GetKey(), j.GetKey()))
return False
else:
if not self.DiffDataObjects(i, j):
__Log__.debug(
'DiffDoArrays: one of the elements do not match')
return False
return True
def DiffAnyArrays(self, oldObj, newObj, isElementLinks):
"""Diff two arrays which contain Any objects"""
if len(oldObj) != len(newObj):
__Log__.debug('DiffAnyArrays: Array lengths do not match. %d != %d'
% (len(oldObj), len(newObj)))
return False
for i, j in itertools.izip(oldObj, newObj):
if not self.DiffAnyObjects(i, j, isElementLinks):
__Log__.debug('DiffAnyArrays: One of the elements do not match.')
return False
return True
def DiffPrimitiveArrays(self, oldObj, newObj):
"""Diff two primitive arrays"""
if len(oldObj) != len(newObj):
__Log__.debug('DiffDoArrays: Array lengths do not match %d != %d'
% (len(oldObj), len(newObj)))
return False
match = True
if self._ignoreArrayOrder:
oldSet = oldObj and frozenset(oldObj) or frozenset()
newSet = newObj and frozenset(newObj) or frozenset()
match = (oldSet == newSet)
else:
for i, j in itertools.izip(oldObj, newObj):
if i != j:
match = False
break
if not match:
__Log__.debug(
'DiffPrimitiveArrays: One of the elements do not match.')
return False
return True
def DiffArrayObjects(self, oldObj, newObj, isElementLinks=False):
"""Method which deligates the diffing of arrays based on the type"""
if oldObj == newObj:
return True
if not oldObj or not newObj:
return False
if len(oldObj) != len(newObj):
__Log__.debug('DiffArrayObjects: Array lengths do not match %d != %d'
% (len(oldObj), len(newObj)))
return False
firstObj = oldObj[0]
if IsPrimitiveType(firstObj):
return self.DiffPrimitiveArrays(oldObj, newObj)
elif isinstance(firstObj, types.ManagedObject):
return self.DiffAnyArrays(oldObj, newObj, isElementLinks)
elif isinstance(firstObj, types.DataObject):
return self.DiffDoArrays(oldObj, newObj, isElementLinks)
else:
raise TypeError("Unknown type: %s" % oldObj.__class__)
def DiffDataObjects(self, oldObj, newObj):
"""Diff Data Objects"""
if oldObj == newObj:
return True
if not oldObj or not newObj:
__Log__.debug('DiffDataObjects: One of the objects in None')
return False
oldType = Type(oldObj)
newType = Type(newObj)
if oldType != newType:
__Log__.debug(
'DiffDataObjects: Types do not match for dataobjects. %s != %s'
% (oldObj._wsdlName, newObj._wsdlName))
return False
for prop in oldObj._GetPropertyList():
oldProp = getattr(oldObj, prop.name)
newProp = getattr(newObj, prop.name)
propType = oldObj._GetPropertyInfo(prop.name).type
if not oldProp and not newProp:
continue
elif ((prop.flags & VmomiSupport.F_OPTIONAL) and
self._looseMatch and (not newProp or not oldProp)):
continue
elif not oldProp or not newProp:
__Log__.debug(
'DiffDataObjects: One of the objects has property %s unset'
% prop.name)
return False
bMatch = True
if IsPrimitiveType(oldProp):
bMatch = oldProp == newProp
elif isinstance(oldProp, types.ManagedObject):
bMatch = self.DiffAnyObjects(oldProp, newProp, prop.flags
& VmomiSupport.F_LINK)
elif isinstance(oldProp, types.DataObject):
if prop.flags & VmomiSupport.F_LINK:
bMatch = oldObj.GetKey() == newObj.GetKey()
LogIf(not bMatch, 'DiffDataObjects: Key match failed %s != %s'
% (oldObj.GetKey(), newObj.GetKey()))
else:
bMatch = self.DiffAnyObjects(oldProp, newProp, prop.flags
& VmomiSupport.F_LINK)
elif isinstance(oldProp, list):
bMatch = self.DiffArrayObjects(oldProp, newProp, prop.flags
& VmomiSupport.F_LINK)
else:
raise TypeError("Unknown type: "+repr(propType))
if not bMatch:
__Log__.debug('DiffDataObjects: Objects differ in property %s'
% prop.name)
return False
return True
def DiffAnys(obj1, obj2, looseMatch=False, ignoreArrayOrder=True):
"""Diff any two objects. Objects can either be primitive type
or DataObjects"""
differ = Differ(looseMatch = looseMatch, ignoreArrayOrder = ignoreArrayOrder)
return differ.DiffAnyObjects(obj1, obj2)
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