python获取文件版本信息、公司名和产品名的方法

 def _getCompanyNameAndProductName(self, file_path): 
 """ 
 Read all properties of the given file return them as a dictionary. 
 """ 
 propNames = ('Comments', 'InternalName', 'ProductName', 
 'CompanyName', 'LegalCopyright', 'ProductVersion', 
 'FileDescription', 'LegalTrademarks', 'PrivateBuild', 
 'FileVersion', 'OriginalFilename', 'SpecialBuild') 
 
 props = {'FixedFileInfo': None, 'StringFileInfo': None, 'FileVersion': None} 
 
 try: 
 # backslash as parm returns dictionary of numeric info corresponding to VS_FIXEDFILEINFO struc 
 fixedInfo = win32api.GetFileVersionInfo(file_path, '\') 
 props['FixedFileInfo'] = fixedInfo 
 props['FileVersion'] = "%d.%d.%d.%d" % (fixedInfo['FileVersionMS'] / 65536, 
 fixedInfo['FileVersionMS'] % 65536, fixedInfo['FileVersionLS'] / 65536, 
 fixedInfo['FileVersionLS'] % 65536) 
 
 # VarFileInfoTranslation returns list of available (language, codepage) 
 # pairs that can be used to retreive string info. We are using only the first pair. 
 lang, codepage = win32api.GetFileVersionInfo(file_path, '\VarFileInfo\Translation')[0] 
 
 # any other must be of the form StringfileInfo\%04X%04Xparm_name, middle 
 # two are language/codepage pair returned from above 
 
 strInfo = {} 
 for propName in propNames: 
 strInfoPath = u'\StringFileInfo\%04X%04X\%s' % (lang, codepage, propName) 
 ## print str_info 
 strInfo[propName] = win32api.GetFileVersionInfo(file_path, strInfoPath) 
 
 props['StringFileInfo'] = strInfo 
 except: 
 pass 
 if not props["StringFileInfo"]: 
 return (None, None) 
 else: 
 return (props["StringFileInfo"]["CompanName"], props["StringFileInfo"]["ProductName"])