我们从Python开源项目中，提取了以下6个代码示例，用于说明如何使用pythoncom.IID_IPropertySetStorage()。
def _get_properties(self, properties): """ Use OLE property sets to get base properties """ try: pss = self.stg.QueryInterface(pythoncom.IID_IPropertySetStorage ) except pythoncom.com_error, e: self._trace('No Property information could be retrieved', e) return ps = pss.Open(PSGUID_SUMMARYINFORMATION) props = (PIDSI_TITLE, PIDSI_SUBJECT, PIDSI_AUTHOR, PIDSI_KEYWORDS, PIDSI_COMMENTS) title, subject, author, keywords, comments = ps.ReadMultiple(props) if title is not None: properties['title'] = title if subject is not None: properties['description'] = subject if author is not None: properties['author'] = author if keywords is not None: properties['keywords'] = keywords if comments is not None: properties['comments'] = comments
def _get_properties(self, properties): """ Use OLE property sets to get base properties """ try: pss = self.stg.QueryInterface(pythoncom.IID_IPropertySetStorage ) except pythoncom.com_error as e: self._trace('No Property information could be retrieved', e) return ps = pss.Open(PSGUID_SUMMARYINFORMATION) props = (PIDSI_TITLE, PIDSI_SUBJECT, PIDSI_AUTHOR, PIDSI_KEYWORDS, PIDSI_COMMENTS) title, subject, author, keywords, comments = ps.ReadMultiple(props) if title is not None: properties['title'] = title if subject is not None: properties['description'] = subject if author is not None: properties['author'] = author if keywords is not None: properties['keywords'] = keywords if comments is not None: properties['comments'] = comments
def testit(self): fname, tmp = win32api.GetTempFileName(win32api.GetTempPath(),'stg') m=storagecon.STGM_READWRITE | storagecon.STGM_SHARE_EXCLUSIVE ## file, mode, format, attrs (always 0), IID (IStorage or IPropertySetStorage, storage options(only used with STGFMT_DOCFILE) pss=pythoncom.StgOpenStorageEx(fname, m, storagecon.STGFMT_FILE, 0 , pythoncom.IID_IPropertySetStorage) ### {"Version":2,"reserved":0,"SectorSize":512,"TemplateFile":u'somefilename'}) ## FMTID_SummaryInformation FMTID_DocSummaryInformation FMTID_UserDefinedProperties psuser=pss.Create(pythoncom.FMTID_UserDefinedProperties, pythoncom.IID_IPropertySetStorage, storagecon.PROPSETFLAG_DEFAULT, storagecon.STGM_READWRITE|storagecon.STGM_CREATE|storagecon.STGM_SHARE_EXCLUSIVE) ## its very picky about flag combinations! psuser.WriteMultiple((3,4),('hey','bubba')) psuser.WritePropertyNames((3,4),('property3','property4')) expected_summaries = [] expected_summaries.append( ('property3', 3, pythoncom.VT_BSTR)) expected_summaries.append( ('property4', 4, pythoncom.VT_BSTR)) psuser=None pssum=pss.Create(pythoncom.FMTID_SummaryInformation, pythoncom.IID_IPropertySetStorage, storagecon.PROPSETFLAG_DEFAULT, storagecon.STGM_READWRITE|storagecon.STGM_CREATE|storagecon.STGM_SHARE_EXCLUSIVE) pssum.WriteMultiple((storagecon.PIDSI_AUTHOR,storagecon.PIDSI_COMMENTS),('me', 'comment')) pssum=None pss=None ## doesn't seem to be a close or release method, and you can't even reopen it from the same process until previous object is gone pssread=pythoncom.StgOpenStorageEx(fname, storagecon.STGM_READ|storagecon.STGM_SHARE_EXCLUSIVE, storagecon.STGFMT_FILE, 0 , pythoncom.IID_IPropertySetStorage) found_summaries = [] for psstat in pssread: ps=pssread.Open(psstat[0],storagecon.STGM_READ|storagecon.STGM_SHARE_EXCLUSIVE) for p in ps: p_val = ps.ReadMultiple((p[1],))[0] if (p[1]==storagecon.PIDSI_AUTHOR and p_val=='me') or \ (p[1]==storagecon.PIDSI_COMMENTS and p_val=='comment'): pass else: self.fail("Uxexpected property %s/%s" % (p, p_val)) ps=None ## FMTID_UserDefinedProperties can't exist without FMTID_DocSummaryInformation, and isn't returned independently from Enum ## also can't be open at same time if psstat[0]==pythoncom.FMTID_DocSummaryInformation: ps=pssread.Open(pythoncom.FMTID_UserDefinedProperties,storagecon.STGM_READ|storagecon.STGM_SHARE_EXCLUSIVE) for p in ps: found_summaries.append(p) ps=None psread=None expected_summaries.sort() found_summaries.sort() self.assertEqual(expected_summaries, found_summaries)
