mirror of
https://github.com/GNS3/gns3-server
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Adds VirtualBox API for Python3 (not official).
This commit is contained in:
parent
53ee3dc5cc
commit
9ac2716826
1276
gns3server/modules/virtualbox/vboxapi_py3/VirtualBox_constants.py
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1276
gns3server/modules/virtualbox/vboxapi_py3/VirtualBox_constants.py
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File diff suppressed because it is too large
Load Diff
612
gns3server/modules/virtualbox/vboxapi_py3/__init__.py
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612
gns3server/modules/virtualbox/vboxapi_py3/__init__.py
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"""
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Copyright (C) 2009-2012 Oracle Corporation
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This file is part of VirtualBox Open Source Edition (OSE), as
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available from http://www.virtualbox.org. This file is free software;
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you can redistribute it and/or modify it under the terms of the GNU
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General Public License (GPL) as published by the Free Software
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Foundation, in version 2 as it comes in the "COPYING" file of the
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VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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"""
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import sys,os
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import traceback
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# To set Python bitness on OSX use 'export VERSIONER_PYTHON_PREFER_32_BIT=yes'
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VboxBinDir = os.environ.get("VBOX_PROGRAM_PATH", None)
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VboxSdkDir = os.environ.get("VBOX_SDK_PATH", None)
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if VboxBinDir is None:
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# Will be set by the installer
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VboxBinDir = "C:\\Program Files\\Oracle\\VirtualBox\\"
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if VboxSdkDir is None:
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# Will be set by the installer
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VboxSdkDir = "C:\\Program Files\\Oracle\\VirtualBox\\sdk\\"
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os.environ["VBOX_PROGRAM_PATH"] = VboxBinDir
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os.environ["VBOX_SDK_PATH"] = VboxSdkDir
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sys.path.append(VboxBinDir)
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from .VirtualBox_constants import VirtualBoxReflectionInfo
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class PerfCollector:
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""" This class provides a wrapper over IPerformanceCollector in order to
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get more 'pythonic' interface.
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To begin collection of metrics use setup() method.
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To get collected data use query() method.
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It is possible to disable metric collection without changing collection
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parameters with disable() method. The enable() method resumes metric
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collection.
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"""
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def __init__(self, mgr, vbox):
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""" Initializes the instance.
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"""
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self.mgr = mgr
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self.isMscom = (mgr.type == 'MSCOM')
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self.collector = vbox.performanceCollector
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def setup(self, names, objects, period, nsamples):
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""" Discards all previously collected values for the specified
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metrics, sets the period of collection and the number of retained
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samples, enables collection.
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"""
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self.collector.setupMetrics(names, objects, period, nsamples)
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def enable(self, names, objects):
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""" Resumes metric collection for the specified metrics.
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"""
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self.collector.enableMetrics(names, objects)
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def disable(self, names, objects):
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""" Suspends metric collection for the specified metrics.
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"""
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self.collector.disableMetrics(names, objects)
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def query(self, names, objects):
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""" Retrieves collected metric values as well as some auxiliary
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information. Returns an array of dictionaries, one dictionary per
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metric. Each dictionary contains the following entries:
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'name': metric name
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'object': managed object this metric associated with
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'unit': unit of measurement
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'scale': divide 'values' by this number to get float numbers
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'values': collected data
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'values_as_string': pre-processed values ready for 'print' statement
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"""
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# Get around the problem with input arrays returned in output
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# parameters (see #3953) for MSCOM.
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if self.isMscom:
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(values, names, objects, names_out, objects_out, units, scales, sequence_numbers,
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indices, lengths) = self.collector.queryMetricsData(names, objects)
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else:
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(values, names_out, objects_out, units, scales, sequence_numbers,
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indices, lengths) = self.collector.queryMetricsData(names, objects)
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out = []
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for i in xrange(0, len(names_out)):
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scale = int(scales[i])
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if scale != 1:
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fmt = '%.2f%s'
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else:
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fmt = '%d %s'
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out.append({
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'name':str(names_out[i]),
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'object':str(objects_out[i]),
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'unit':str(units[i]),
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'scale':scale,
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'values':[int(values[j]) for j in xrange(int(indices[i]), int(indices[i])+int(lengths[i]))],
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'values_as_string':'['+', '.join([fmt % (int(values[j])/scale, units[i]) for j in xrange(int(indices[i]), int(indices[i])+int(lengths[i]))])+']'
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})
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return out
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def ComifyName(name):
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return name[0].capitalize()+name[1:]
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_COMForward = { 'getattr' : None,
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'setattr' : None}
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def CustomGetAttr(self, attr):
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# fastpath
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if self.__class__.__dict__.get(attr) != None:
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return self.__class__.__dict__.get(attr)
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# try case-insensitivity workaround for class attributes (COM methods)
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for k in self.__class__.__dict__.keys():
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if k.lower() == attr.lower():
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setattr(self.__class__, attr, self.__class__.__dict__[k])
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return getattr(self, k)
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try:
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return _COMForward['getattr'](self,ComifyName(attr))
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except AttributeError:
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return _COMForward['getattr'](self,attr)
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def CustomSetAttr(self, attr, value):
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try:
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return _COMForward['setattr'](self, ComifyName(attr), value)
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except AttributeError:
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return _COMForward['setattr'](self, attr, value)
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class PlatformMSCOM:
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# Class to fake access to constants in style of foo.bar.boo
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class ConstantFake:
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def __init__(self, parent, name):
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self.__dict__['_parent'] = parent
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self.__dict__['_name'] = name
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self.__dict__['_consts'] = {}
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try:
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self.__dict__['_depth']=parent.__dict__['_depth']+1
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except:
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self.__dict__['_depth']=0
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if self.__dict__['_depth'] > 4:
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raise AttributeError
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def __getattr__(self, attr):
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import win32com
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from win32com.client import constants
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if attr.startswith("__"):
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raise AttributeError
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consts = self.__dict__['_consts']
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fake = consts.get(attr, None)
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if fake != None:
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return fake
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try:
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name = self.__dict__['_name']
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parent = self.__dict__['_parent']
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while parent != None:
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if parent._name is not None:
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name = parent._name+'_'+name
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parent = parent._parent
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if name is not None:
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name += "_" + attr
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else:
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name = attr
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return win32com.client.constants.__getattr__(name)
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except AttributeError as e:
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fake = PlatformMSCOM.ConstantFake(self, attr)
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consts[attr] = fake
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return fake
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class InterfacesWrapper:
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def __init__(self):
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self.__dict__['_rootFake'] = PlatformMSCOM.ConstantFake(None, None)
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def __getattr__(self, a):
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import win32com
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from win32com.client import constants
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if a.startswith("__"):
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raise AttributeError
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try:
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return win32com.client.constants.__getattr__(a)
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except AttributeError as e:
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return self.__dict__['_rootFake'].__getattr__(a)
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VBOX_TLB_GUID = '{46137EEC-703B-4FE5-AFD4-7C9BBBBA0259}'
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VBOX_TLB_LCID = 0
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VBOX_TLB_MAJOR = 1
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VBOX_TLB_MINOR = 0
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def __init__(self, params):
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from win32com import universal
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from win32com.client import gencache, DispatchBaseClass
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from win32com.client import constants, getevents
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import win32com
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import pythoncom
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import win32api
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from win32con import DUPLICATE_SAME_ACCESS
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from win32api import GetCurrentThread,GetCurrentThreadId,DuplicateHandle,GetCurrentProcess
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import threading
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pid = GetCurrentProcess()
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self.tid = GetCurrentThreadId()
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handle = DuplicateHandle(pid, GetCurrentThread(), pid, 0, 0, DUPLICATE_SAME_ACCESS)
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self.handles = []
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self.handles.append(handle)
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_COMForward['getattr'] = DispatchBaseClass.__dict__['__getattr__']
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DispatchBaseClass.__getattr__ = CustomGetAttr
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_COMForward['setattr'] = DispatchBaseClass.__dict__['__setattr__']
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DispatchBaseClass.__setattr__ = CustomSetAttr
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win32com.client.gencache.EnsureDispatch('VirtualBox.Session')
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win32com.client.gencache.EnsureDispatch('VirtualBox.VirtualBox')
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self.oIntCv = threading.Condition()
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self.fInterrupted = False;
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def getSessionObject(self, vbox):
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import win32com
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from win32com.client import Dispatch
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return win32com.client.Dispatch("VirtualBox.Session")
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def getVirtualBox(self):
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import win32com
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from win32com.client import Dispatch
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return win32com.client.Dispatch("VirtualBox.VirtualBox")
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def getType(self):
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return 'MSCOM'
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def getRemote(self):
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return False
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def getArray(self, obj, field):
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return obj.__getattr__(field)
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def initPerThread(self):
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import pythoncom
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pythoncom.CoInitializeEx(0)
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def deinitPerThread(self):
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import pythoncom
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pythoncom.CoUninitialize()
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def createListener(self, impl, arg):
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d = {}
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d['BaseClass'] = impl
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d['arg'] = arg
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d['tlb_guid'] = PlatformMSCOM.VBOX_TLB_GUID
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str = ""
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str += "import win32com.server.util\n"
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str += "import pythoncom\n"
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str += "class ListenerImpl(BaseClass):\n"
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str += " _com_interfaces_ = ['IEventListener']\n"
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str += " _typelib_guid_ = tlb_guid\n"
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str += " _typelib_version_ = 1, 0\n"
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str += " _reg_clsctx_ = pythoncom.CLSCTX_INPROC_SERVER\n"
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# Maybe we'd better implement Dynamic invoke policy, to be more flexible here
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str += " _reg_policy_spec_ = 'win32com.server.policy.EventHandlerPolicy'\n"
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# capitalized version of listener method
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str += " HandleEvent=BaseClass.handleEvent\n"
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str += " def __init__(self): BaseClass.__init__(self, arg)\n"
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str += "result = win32com.server.util.wrap(ListenerImpl())\n"
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exec(str,d,d)
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return d['result']
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def waitForEvents(self, timeout):
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from win32api import GetCurrentThreadId
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from win32event import INFINITE
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from win32event import MsgWaitForMultipleObjects, \
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QS_ALLINPUT, WAIT_TIMEOUT, WAIT_OBJECT_0
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from pythoncom import PumpWaitingMessages
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import types
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if not isinstance(timeout, types.IntType):
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raise TypeError("The timeout argument is not an integer")
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if (self.tid != GetCurrentThreadId()):
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raise Exception("wait for events from the same thread you inited!")
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if timeout < 0: cMsTimeout = INFINITE
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else: cMsTimeout = timeout
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rc = MsgWaitForMultipleObjects(self.handles, 0, cMsTimeout, QS_ALLINPUT)
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if rc >= WAIT_OBJECT_0 and rc < WAIT_OBJECT_0+len(self.handles):
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# is it possible?
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rc = 2;
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elif rc==WAIT_OBJECT_0 + len(self.handles):
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# Waiting messages
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PumpWaitingMessages()
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rc = 0;
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else:
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# Timeout
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rc = 1;
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# check for interruption
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self.oIntCv.acquire()
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if self.fInterrupted:
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self.fInterrupted = False
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rc = 1;
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self.oIntCv.release()
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return rc;
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def interruptWaitEvents(self):
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"""
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Basically a python implementation of EventQueue::postEvent().
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The magic value must be in sync with the C++ implementation or this
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won't work.
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Note that because of this method we cannot easily make use of a
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non-visible Window to handle the message like we would like to do.
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"""
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from win32api import PostThreadMessage
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from win32con import WM_USER
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self.oIntCv.acquire()
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self.fInterrupted = True
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self.oIntCv.release()
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try:
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PostThreadMessage(self.tid, WM_USER, None, 0xf241b819)
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except:
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return False;
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return True;
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def deinit(self):
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import pythoncom
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from win32file import CloseHandle
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for h in self.handles:
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if h is not None:
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CloseHandle(h)
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self.handles = None
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pythoncom.CoUninitialize()
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pass
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def queryInterface(self, obj, klazzName):
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from win32com.client import CastTo
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return CastTo(obj, klazzName)
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class PlatformXPCOM:
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def __init__(self, params):
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sys.path.append(VboxSdkDir+'/bindings/xpcom/python/')
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import xpcom.vboxxpcom
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import xpcom
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import xpcom.components
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def getSessionObject(self, vbox):
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import xpcom.components
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return xpcom.components.classes["@virtualbox.org/Session;1"].createInstance()
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def getVirtualBox(self):
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import xpcom.components
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return xpcom.components.classes["@virtualbox.org/VirtualBox;1"].createInstance()
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def getType(self):
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return 'XPCOM'
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def getRemote(self):
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return False
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def getArray(self, obj, field):
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return obj.__getattr__('get'+ComifyName(field))()
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def initPerThread(self):
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import xpcom
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xpcom._xpcom.AttachThread()
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def deinitPerThread(self):
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import xpcom
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xpcom._xpcom.DetachThread()
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def createListener(self, impl, arg):
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d = {}
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d['BaseClass'] = impl
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d['arg'] = arg
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str = ""
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str += "import xpcom.components\n"
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str += "class ListenerImpl(BaseClass):\n"
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str += " _com_interfaces_ = xpcom.components.interfaces.IEventListener\n"
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str += " def __init__(self): BaseClass.__init__(self, arg)\n"
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str += "result = ListenerImpl()\n"
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exec(str,d,d)
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return d['result']
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def waitForEvents(self, timeout):
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import xpcom
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return xpcom._xpcom.WaitForEvents(timeout)
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def interruptWaitEvents(self):
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import xpcom
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return xpcom._xpcom.InterruptWait()
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def deinit(self):
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import xpcom
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xpcom._xpcom.DeinitCOM()
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def queryInterface(self, obj, klazzName):
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import xpcom.components
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return obj.queryInterface(getattr(xpcom.components.interfaces, klazzName))
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class PlatformWEBSERVICE:
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def __init__(self, params):
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sys.path.append(os.path.join(VboxSdkDir,'bindings', 'webservice', 'python', 'lib'))
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#import VirtualBox_services
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import VirtualBox_wrappers
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from VirtualBox_wrappers import IWebsessionManager2
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if params is not None:
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self.user = params.get("user", "")
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self.password = params.get("password", "")
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self.url = params.get("url", "")
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else:
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self.user = ""
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self.password = ""
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self.url = None
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self.vbox = None
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||||
def getSessionObject(self, vbox):
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return self.wsmgr.getSessionObject(vbox)
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def getVirtualBox(self):
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return self.connect(self.url, self.user, self.password)
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def connect(self, url, user, passwd):
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if self.vbox is not None:
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self.disconnect()
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from VirtualBox_wrappers import IWebsessionManager2
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if url is None:
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url = ""
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self.url = url
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if user is None:
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user = ""
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self.user = user
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if passwd is None:
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passwd = ""
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self.password = passwd
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self.wsmgr = IWebsessionManager2(self.url)
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self.vbox = self.wsmgr.logon(self.user, self.password)
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if not self.vbox.handle:
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||||
raise Exception("cannot connect to '"+self.url+"' as '"+self.user+"'")
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return self.vbox
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||||
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||||
def disconnect(self):
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if self.vbox is not None and self.wsmgr is not None:
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||||
self.wsmgr.logoff(self.vbox)
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||||
self.vbox = None
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||||
self.wsmgr = None
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||||
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||||
def getType(self):
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return 'WEBSERVICE'
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||||
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||||
def getRemote(self):
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return True
|
||||
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||||
def getArray(self, obj, field):
|
||||
return obj.__getattr__(field)
|
||||
|
||||
def initPerThread(self):
|
||||
pass
|
||||
|
||||
def deinitPerThread(self):
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||||
pass
|
||||
|
||||
def createListener(self, impl, arg):
|
||||
raise Exception("no active listeners for webservices")
|
||||
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||||
def waitForEvents(self, timeout):
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||||
# Webservices cannot do that yet
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||||
return 2;
|
||||
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||||
def interruptWaitEvents(self, timeout):
|
||||
# Webservices cannot do that yet
|
||||
return False;
|
||||
|
||||
def deinit(self):
|
||||
try:
|
||||
disconnect()
|
||||
except:
|
||||
pass
|
||||
|
||||
def queryInterface(self, obj, klazzName):
|
||||
d = {}
|
||||
d['obj'] = obj
|
||||
str = ""
|
||||
str += "from VirtualBox_wrappers import "+klazzName+"\n"
|
||||
str += "result = "+klazzName+"(obj.mgr,obj.handle)\n"
|
||||
# wrong, need to test if class indeed implements this interface
|
||||
exec(str,d,d)
|
||||
return d['result']
|
||||
|
||||
class SessionManager:
|
||||
def __init__(self, mgr):
|
||||
self.mgr = mgr
|
||||
|
||||
def getSessionObject(self, vbox):
|
||||
return self.mgr.platform.getSessionObject(vbox)
|
||||
|
||||
class VirtualBoxManager:
|
||||
def __init__(self, style, platparams):
|
||||
if style is None:
|
||||
if sys.platform == 'win32':
|
||||
style = "MSCOM"
|
||||
else:
|
||||
style = "XPCOM"
|
||||
|
||||
|
||||
exec("self.platform = Platform"+style+"(platparams)")
|
||||
# for webservices, enums are symbolic
|
||||
self.constants = VirtualBoxReflectionInfo(style == "WEBSERVICE")
|
||||
self.type = self.platform.getType()
|
||||
self.remote = self.platform.getRemote()
|
||||
self.style = style
|
||||
self.mgr = SessionManager(self)
|
||||
|
||||
try:
|
||||
self.vbox = self.platform.getVirtualBox()
|
||||
except NameError as ne:
|
||||
print("Installation problem: check that appropriate libs in place")
|
||||
traceback.print_exc()
|
||||
raise ne
|
||||
except Exception as e:
|
||||
print("init exception: ",e)
|
||||
traceback.print_exc()
|
||||
if self.remote:
|
||||
self.vbox = None
|
||||
else:
|
||||
raise e
|
||||
|
||||
def getArray(self, obj, field):
|
||||
return self.platform.getArray(obj, field)
|
||||
|
||||
def getVirtualBox(self):
|
||||
return self.platform.getVirtualBox()
|
||||
|
||||
def __del__(self):
|
||||
self.deinit()
|
||||
|
||||
def deinit(self):
|
||||
if hasattr(self, "vbox"):
|
||||
del self.vbox
|
||||
self.vbox = None
|
||||
if hasattr(self, "platform"):
|
||||
self.platform.deinit()
|
||||
self.platform = None
|
||||
|
||||
def initPerThread(self):
|
||||
self.platform.initPerThread()
|
||||
|
||||
def openMachineSession(self, mach, permitSharing = True):
|
||||
session = self.mgr.getSessionObject(self.vbox)
|
||||
if permitSharing:
|
||||
type = self.constants.LockType_Shared
|
||||
else:
|
||||
type = self.constants.LockType_Write
|
||||
mach.lockMachine(session, type)
|
||||
return session
|
||||
|
||||
def closeMachineSession(self, session):
|
||||
if session is not None:
|
||||
session.unlockMachine()
|
||||
|
||||
def deinitPerThread(self):
|
||||
self.platform.deinitPerThread()
|
||||
|
||||
def createListener(self, impl, arg = None):
|
||||
return self.platform.createListener(impl, arg)
|
||||
|
||||
def waitForEvents(self, timeout):
|
||||
"""
|
||||
Wait for events to arrive and process them.
|
||||
|
||||
The timeout is in milliseconds. A negative value means waiting for
|
||||
ever, while 0 does not wait at all.
|
||||
|
||||
Returns 0 if events was processed.
|
||||
Returns 1 if timed out or interrupted in some way.
|
||||
Returns 2 on error (like not supported for web services).
|
||||
|
||||
Raises an exception if the calling thread is not the main thread (the one
|
||||
that initialized VirtualBoxManager) or if the time isn't an integer.
|
||||
"""
|
||||
return self.platform.waitForEvents(timeout)
|
||||
|
||||
def interruptWaitEvents(self):
|
||||
"""
|
||||
Interrupt a waitForEvents call.
|
||||
This is normally called from a worker thread.
|
||||
|
||||
Returns True on success, False on failure.
|
||||
"""
|
||||
return self.platform.interruptWaitEvents()
|
||||
|
||||
def getPerfCollector(self, vbox):
|
||||
return PerfCollector(self, vbox)
|
||||
|
||||
def getBinDir(self):
|
||||
global VboxBinDir
|
||||
return VboxBinDir
|
||||
|
||||
def getSdkDir(self):
|
||||
global VboxSdkDir
|
||||
return VboxSdkDir
|
||||
|
||||
def queryInterface(self, obj, klazzName):
|
||||
return self.platform.queryInterface(obj, klazzName)
|
Loading…
Reference in New Issue
Block a user