我们从Python开源项目中，提取了以下24个代码示例，用于说明如何使用pythoncom.IID_NULL。
def GetCategoryForSCID(self, scid): if scid==PKEY_ItemNameDisplay: guid = CAT_GUID_NAME elif scid == PKEY_Sample_AreaSize: guid = CAT_GUID_SIZE elif scid == PKEY_Sample_NumberOfSides: guid = CAT_GUID_SIDES elif scid == PKEY_Sample_DirectoryLevel: guid = CAT_GUID_LEVEL elif scid == pythoncom.IID_NULL: # This can be called with a NULL # format ID. This will happen if you have a category, # not based on a column, that gets stored in the # property bag. When a return is made to this item, # it will call this function with a NULL format id. guid = CAT_GUID_VALUE else: raise COMException(hresult=winerror.E_INVALIDARG) return guid # Retrieves the name of the specified category. This is where # additional categories that appear under the column # related categories in the UI, get their display names.
def GetObjectInformation(self): """Identifies object whose security will be modified, and determines options available to the end user""" flags=SI_ADVANCED|SI_EDIT_ALL|SI_PAGE_TITLE|SI_RESET if os.path.isdir(self.FileName): flags|=SI_CONTAINER hinstance=0 ## handle to module containing string resources servername='' ## name of authenticating server if not local machine objectname=os.path.split(self.FileName)[1] pagetitle='Python ACL Editor' if os.path.isdir(self.FileName): pagetitle+=' (dir)' else: pagetitle+=' (file)' objecttype=IID_NULL return flags, hinstance, servername, objectname, pagetitle, objecttype
def GetDefaultCategory(self): return CAT_GUID_LEVEL, (pythoncom.IID_NULL, 0) # end of sample's Category.cpp port # start of sample's ContextMenu.cpp port
def __init__(self, desc_or_id, names=None, doc=None, resultCLSID=pythoncom.IID_NULL, resultDoc = None, hidden=0): if type(desc_or_id)==type(0): self.dispid = desc_or_id self.desc = None else: self.dispid = desc_or_id[0] self.desc = desc_or_id self.names = names self.doc = doc self.resultCLSID = resultCLSID self.resultDocumentation = resultDoc self.wasProperty = 0 # Have I been transformed into a function so I can pass args? self.hidden = hidden
def GetResultCLSID(self): rc = self.resultCLSID if rc == pythoncom.IID_NULL: return None return rc # Return a string, suitable for output - either "'{...}'" or "None"
def GetAccessRights(self, objecttype, flags): """Returns a tuple of (AccessRights, DefaultAccess), where AccessRights is a sequence of tuples representing SI_ACCESS structs, containing (guid, access mask, Name, flags). DefaultAccess indicates which of the AccessRights will be used initially when a new ACE is added (zero based). Flags can contain SI_ACCESS_SPECIFIC,SI_ACCESS_GENERAL,SI_ACCESS_CONTAINER,SI_ACCESS_PROPERTY, CONTAINER_INHERIT_ACE,INHERIT_ONLY_ACE,OBJECT_INHERIT_ACE """ ## input flags: SI_ADVANCED,SI_EDIT_AUDITS,SI_EDIT_PROPERTIES indicating which property sheet is requesting the rights if (objecttype is not None) and (objecttype!=IID_NULL): ## Should not be true for file objects. Usually only used with DS objects that support security for ## their properties raise NotImplementedError("Object type is not supported") if os.path.isdir(self.FileName): file_append_data_desc='Create subfolders' file_write_data_desc='Create Files' else: file_append_data_desc='Append data' file_write_data_desc='Write data' accessrights=[(IID_NULL, FILE_GENERIC_READ, 'Generic read', SI_ACCESS_GENERAL|SI_ACCESS_SPECIFIC|OBJECT_INHERIT_ACE|CONTAINER_INHERIT_ACE), (IID_NULL, FILE_GENERIC_WRITE, 'Generic write', SI_ACCESS_GENERAL|SI_ACCESS_SPECIFIC|OBJECT_INHERIT_ACE|CONTAINER_INHERIT_ACE), (IID_NULL, win32con.DELETE, 'Delete', SI_ACCESS_SPECIFIC|OBJECT_INHERIT_ACE|CONTAINER_INHERIT_ACE), (IID_NULL, WRITE_OWNER, 'Change owner', SI_ACCESS_SPECIFIC|OBJECT_INHERIT_ACE|CONTAINER_INHERIT_ACE), (IID_NULL, READ_CONTROL,'Read Permissions', SI_ACCESS_SPECIFIC|OBJECT_INHERIT_ACE|CONTAINER_INHERIT_ACE), (IID_NULL, WRITE_DAC, 'Change permissions', SI_ACCESS_SPECIFIC|OBJECT_INHERIT_ACE|CONTAINER_INHERIT_ACE), (IID_NULL, FILE_APPEND_DATA, file_append_data_desc, SI_ACCESS_SPECIFIC|OBJECT_INHERIT_ACE|CONTAINER_INHERIT_ACE), (IID_NULL, FILE_WRITE_DATA, file_write_data_desc, SI_ACCESS_SPECIFIC|OBJECT_INHERIT_ACE|CONTAINER_INHERIT_ACE) ] return (accessrights, 0)
def GetInheritTypes(self): """Specifies which types of ACE inheritance are supported. Returns a sequence of tuples representing SI_INHERIT_TYPE structs, containing (object type guid, inheritance flags, display name). Guid is usually only used with Directory Service objects. """ return ((IID_NULL, 0, 'Only current object'), (IID_NULL, OBJECT_INHERIT_ACE, 'Files inherit permissions'), (IID_NULL, CONTAINER_INHERIT_ACE, 'Sub Folders inherit permissions'), (IID_NULL, CONTAINER_INHERIT_ACE|OBJECT_INHERIT_ACE, 'Files and subfolders'), )
def GetObjectInformation(self): """Identifies object whose security will be modified, and determines options available to the end user""" flags=SI_ADVANCED|SI_EDIT_ALL|SI_PAGE_TITLE|SI_RESET hinstance=0 ## handle to module containing string resources servername='' ## name of authenticating server if not local machine ## service name can contain remote machine name of the form \\Server\ServiceName objectname=os.path.split(self.ServiceName)[1] pagetitle='Service Permissions for '+self.ServiceName objecttype=IID_NULL return flags, hinstance, servername, objectname, pagetitle, objecttype
def GetAccessRights(self, objecttype, flags): """Returns a tuple of (AccessRights, DefaultAccess), where AccessRights is a sequence of tuples representing SI_ACCESS structs, containing (guid, access mask, Name, flags). DefaultAccess indicates which of the AccessRights will be used initially when a new ACE is added (zero based). Flags can contain SI_ACCESS_SPECIFIC,SI_ACCESS_GENERAL,SI_ACCESS_CONTAINER,SI_ACCESS_PROPERTY, CONTAINER_INHERIT_ACE,INHERIT_ONLY_ACE,OBJECT_INHERIT_ACE """ ## input flags: SI_ADVANCED,SI_EDIT_AUDITS,SI_EDIT_PROPERTIES indicating which property sheet is requesting the rights if (objecttype is not None) and (objecttype!=IID_NULL): ## Not relevent for services raise NotImplementedError("Object type is not supported") ## ???? for some reason, the DACL for a service will not retain ACCESS_SYSTEM_SECURITY in an ACE ???? ## (IID_NULL, win32con.ACCESS_SYSTEM_SECURITY, 'View/change audit settings', SI_ACCESS_SPECIFIC), accessrights=[ (IID_NULL, win32service.SERVICE_ALL_ACCESS, 'Full control', SI_ACCESS_GENERAL), (IID_NULL, SERVICE_GENERIC_READ, 'Generic read', SI_ACCESS_GENERAL), (IID_NULL, SERVICE_GENERIC_WRITE, 'Generic write', SI_ACCESS_GENERAL), (IID_NULL, SERVICE_GENERIC_EXECUTE, 'Start/Stop/Pause service', SI_ACCESS_GENERAL), (IID_NULL, READ_CONTROL, 'Read Permissions', SI_ACCESS_GENERAL), (IID_NULL, WRITE_DAC, 'Change permissions', SI_ACCESS_GENERAL), (IID_NULL, WRITE_OWNER, 'Change owner', SI_ACCESS_GENERAL), (IID_NULL, win32con.DELETE, 'Delete service', SI_ACCESS_GENERAL), (IID_NULL, win32service.SERVICE_START, 'Start service', SI_ACCESS_SPECIFIC), (IID_NULL, win32service.SERVICE_STOP, 'Stop service', SI_ACCESS_SPECIFIC), (IID_NULL, win32service.SERVICE_PAUSE_CONTINUE, 'Pause/unpause service', SI_ACCESS_SPECIFIC), (IID_NULL, win32service.SERVICE_USER_DEFINED_CONTROL, 'Execute user defined operations', SI_ACCESS_SPECIFIC), (IID_NULL, win32service.SERVICE_QUERY_CONFIG, 'Read configuration', SI_ACCESS_SPECIFIC), (IID_NULL, win32service.SERVICE_CHANGE_CONFIG, 'Change configuration', SI_ACCESS_SPECIFIC), (IID_NULL, win32service.SERVICE_ENUMERATE_DEPENDENTS, 'List dependent services', SI_ACCESS_SPECIFIC), (IID_NULL, win32service.SERVICE_QUERY_STATUS, 'Query status', SI_ACCESS_SPECIFIC), (IID_NULL, win32service.SERVICE_INTERROGATE, 'Query status (immediate)', SI_ACCESS_SPECIFIC), ] return (accessrights, 0)
