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
|
# Copyright (c) 2008-2025 Broadcom. All Rights Reserved.
# The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
# Diff any two objects
import logging
from .five import PY3
if not PY3:
from .five import zip
from .VmomiSupport import F_LINK, F_OPTIONAL, GetWsdlName, Type, types
__Log__ = logging.getLogger('ObjDiffer')
def LogIf(condition, message):
"""Log a message if the condition is met"""
if condition:
__Log__.debug(message)
_primitive_types = (types.bool, types.byte, types.short, types.double, types.float,
types.PropertyPath, types.ManagedMethod,
types.datetime, types.URI, types.binary, type)
_primitive_types += (int, str) if PY3 else (int, long, basestring)
def IsPrimitiveType(obj):
"""See if the passed in type is a Primitive Type"""
return isinstance(obj, _primitive_types)
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 is None or newObj is 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 zip(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 zip(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 zip(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: {0}".format(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 & 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 '
'the 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
& F_LINK)
elif isinstance(oldProp, types.DataObject):
if prop.flags & 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
& F_LINK)
elif isinstance(oldProp, list):
bMatch = self.DiffArrayObjects(oldProp, newProp,
prop.flags & 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)
|
