/usr/lib/python2.7/dist-packages/pyVmomi/DynamicTypeManagerHelper.py is in python-pyvmomi 5.5.0-2014.1.1-3.
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# 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.
"""
This module is a converter from dynamic type to pyVmomi type
"""
__author__ = "VMware, Inc."
from pyVmomi import VmomiSupport, vmodl
from Cache import Cache
## Dynamic type importer
#
class DynamicTypeImporter:
""" Dynamic type importer """
## Constructor
#
# @param stub Server stub
def __init__(self, stub, hostSystem=None):
self.stub = stub
self.hostSystem = hostSystem
## Get dynamic type manager
#
# @return moRef to dynamic type manager
@Cache
def GetTypeManager(self):
""" Get dynamic type manager """
dynTypeMgr = None
if self.hostSystem:
try:
dynTypeMgr = self.hostSystem.RetrieveDynamicTypeManager()
except vmodl.fault.MethodNotFound as err:
pass
if not dynTypeMgr:
# Older host not support RetrieveDynamicTypeManager
cmdlineTypesMoId = "ha-dynamic-type-manager"
dynTypeMgr = vmodl.reflect.DynamicTypeManager(cmdlineTypesMoId,
self.stub)
return dynTypeMgr
## Import dynamic types
#
# @param prefix Only types with the specified prefix are imported
# @return dynamic types
@Cache
def ImportTypes(self, prefix=''):
""" Build dynamic types """
# Use QueryTypeInfo to get all types
dynTypeMgr = self.GetTypeManager()
filterSpec = None
if prefix != '':
filterSpec = vmodl.reflect.DynamicTypeManager.TypeFilterSpec(
typeSubstr=prefix)
allTypes = dynTypeMgr.QueryTypeInfo(filterSpec)
## Convert dynamic types to pyVmomi types
#
DynamicTypeConstructor().CreateTypes(allTypes)
return allTypes
## Construct pyVmomi types from dynamic types definition
#
class DynamicTypeConstructor:
""" Dynamic type constructor """
_mapFlags = { "optional": VmomiSupport.F_OPTIONAL,
"linkable": VmomiSupport.F_LINKABLE,
"link": VmomiSupport.F_LINK }
## Constructor
#
def __init__(self):
""" Constructor """
pass
## Create pyVmomi types from vmodl.reflect.DynamicTypeManager.AllTypeInfo
#
# @param allTypes vmodl.reflect.DynamicTypeManager.AllTypeInfo
def CreateTypes(self, allTypes):
"""
Create pyVmomi types from vmodl.reflect.DynamicTypeManager.AllTypeInfo
"""
enumTypes, dataTypes, managedTypes = self._ConvertAllTypes(allTypes)
self._CreateAllTypes(enumTypes, dataTypes, managedTypes)
## Convert all dynamic types to pyVmomi type definitions
#
# @param allTypes vmodl.reflect.DynamicTypeManager.AllTypeInfo
# @return a tuple of (enumTypes, dataTypes, managedTypes)
def _ConvertAllTypes(self, allTypes):
""" Convert all dynamic types to pyVmomi type definitions """
# Generate lists good for VmomiSupport.CreateXYZType
enumTypes = self._Filter(self._ConvertEnumType, allTypes.enumTypeInfo)
dataTypes = self._Filter(self._ConvertDataType, allTypes.dataTypeInfo)
managedTypes = self._Filter(self._ConvertManagedType,
allTypes.managedTypeInfo)
retAllTypes = (enumTypes, dataTypes, managedTypes)
return retAllTypes
## Create pyVmomi types from pyVmomi type definitions
#
# @param enumTypes pyVmomi enum type definitions
# @param dataTypes pyVmomi data type definitions
# @param managedTypes pyVmomi managed type definitions
def _CreateAllTypes(self, enumTypes, dataTypes, managedTypes):
""" Create pyVmomi types from pyVmomi type definitions """
# Create versions
for typeInfo in managedTypes:
name = typeInfo[0]
version = typeInfo[3]
VmomiSupport.AddVersion(version, '', '1.0', 0, name)
VmomiSupport.AddVersionParent(version, 'vmodl.version.version0')
VmomiSupport.AddVersionParent(version, 'vmodl.version.version1')
VmomiSupport.AddVersionParent(version, version)
# Create partial types
for fn, infos in (VmomiSupport.CreateEnumType, enumTypes), \
(VmomiSupport.CreateDataType, dataTypes), \
(VmomiSupport.CreateManagedType, managedTypes):
for typeInfo in infos:
try:
fn(*typeInfo)
except Exception as err:
#Ignore errors due to duplicate importing
pass
def _ConvertAnnotations(self, annotations):
""" Convert annotations to pyVmomi flags """
flags = 0
if annotations:
for annotation in annotations:
flags |= self._mapFlags.get(annotation.name, 0)
return flags
@staticmethod
def _Filter(fn, types):
""" Call fn for each non null element in types. Similiar to filter """
if types:
return [fn(prop) for prop in types if prop is not None]
else:
return []
def _ConvertParamType(self, paramType):
"""
Convert vmodl.reflect.DynamicTypeManager.ParamTypeInfo to pyVmomi param
definition
"""
if paramType:
name = paramType.name
version = paramType.version
aType = paramType.type
flags = self._ConvertAnnotations(paramType.annotation)
privId = paramType.privId
param = (name, aType, version, flags, privId)
else:
param = None
return param
def _ConvertMethodType(self, methodType):
"""
Convert vmodl.reflect.DynamicTypeManager.MethodTypeInfo to pyVmomi method
definition
"""
if methodType:
name = methodType.name
wsdlName = methodType.wsdlName
version = methodType.version
params = self._Filter(self._ConvertParamType, methodType.paramTypeInfo)
privId = methodType.privId
faults = methodType.fault
# Figure out reture info
if methodType.returnTypeInfo:
returnTypeInfo = methodType.returnTypeInfo
retFlags = self._ConvertAnnotations(returnTypeInfo.annotation)
methodRetType = returnTypeInfo.type
else:
retFlags = 0
methodRetType = "void"
if wsdlName.endswith("_Task"):
# TODO: Need a seperate task return type for task, instead of
# hardcode vim.Task as return type
retType = "vim.Task"
else:
retType = methodRetType
retInfo = (retFlags, retType, methodRetType)
method = (name, wsdlName, version, params, retInfo, privId, faults)
else:
method = None
return method
def _ConvertManagedPropertyType(self, propType):
"""
Convert vmodl.reflect.DynamicTypeManager.PropertyTypeInfo to pyVmomi
managed property definition
"""
if propType:
name = propType.name
version = propType.version
aType = propType.type
flags = self._ConvertAnnotations(propType.annotation)
privId = propType.privId
prop = (name, aType, version, flags, privId)
else:
prop = None
return prop
def _ConvertManagedType(self, managedType):
"""
Convert vmodl.reflect.DynamicTypeManager.ManagedTypeInfo to pyVmomi
managed type definition
"""
if managedType:
vmodlName = managedType.name
wsdlName = managedType.wsdlName
version = managedType.version
parent = managedType.base[0]
props = self._Filter(self._ConvertManagedPropertyType, managedType.property)
methods = self._Filter(self._ConvertMethodType, managedType.method)
moType = (vmodlName, wsdlName, parent, version, props, methods)
else:
moType = None
return moType
def _ConvertDataPropertyType(self, propType):
"""
Convert vmodl.reflect.DynamicTypeManager.PropertyTypeInfo to pyVmomi
data property definition
"""
if propType:
name = propType.name
version = propType.version
aType = propType.type
flags = self._ConvertAnnotations(propType.annotation)
prop = (name, aType, version, flags)
else:
prop = None
return prop
def _ConvertDataType(self, dataType):
"""
Convert vmodl.reflect.DynamicTypeManager.DataTypeInfo to pyVmomi data
type definition
"""
if dataType:
vmodlName = dataType.name
wsdlName = dataType.wsdlName
version = dataType.version
parent = dataType.base[0]
props = self._Filter(self._ConvertDataPropertyType, dataType.property)
doType = (vmodlName, wsdlName, parent, version, props)
else:
doType = None
return doType
def _ConvertEnumType(self, enumType):
"""
Convert vmodl.reflect.DynamicTypeManager.EnumTypeInfo to pyVmomi enum
type definition
"""
if enumType:
vmodlName = enumType.name
wsdlName = enumType.wsdlName
version = enumType.version
values = enumType.value
enumType = (vmodlName, wsdlName, version, values)
else:
enumType = None
return enumType
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