Python win32api 模块，GetFileVersionInfo() 实例源码

def get_file_ver(fname):
    # see: http://pywin32.hg.sourceforge.net/hgweb/pywin32/pywin32/file/tip/win32/Demos/getfilever.py
    result = []
    try:
        ver_strings = ('ProductVersion', 'FileVersion')
        pairs = win32api.GetFileVersionInfo(fname, '\\VarFileInfo\\Translation')
        ## \VarFileInfo\Translation returns list of available (language, codepage) pairs that can be used to retreive string info
        ## any other must be of the form \StringfileInfo\%04X%04X\parm_name, middle two are language/codepage pair returned from above
        for lang, codepage in pairs:
            #print 'lang: ', lang, 'codepage:', codepage
            for ver_string in ver_strings:
                str_info = u'\\StringFileInfo\\%04X%04X\\%s' % (lang, codepage, ver_string)
                result.append('%s %s' % (ver_string, win32api.GetFileVersionInfo(fname, str_info).strip()))
    except:
        pass
    return result

def _get_version_number (filename):
    from win32api import GetFileVersionInfo, LOWORD, HIWORD
    try:
        info = GetFileVersionInfo (filename, "\\")
        ms = info['FileVersionMS']
        ls = info['FileVersionLS']
        return HIWORD (ms), LOWORD (ms), HIWORD (ls), LOWORD (ls)
    except:
        return 0,0,0,0

def fileVersion(program=None):
    ver = '?'
    if program == None:
        check = sys.argv[0]
    else:
        s = program.rfind('.')
        if s > 0 and program[s:] == '.html':
            check = program
        elif s < len(program) - 4:
            check = program + sys.argv[0][sys.argv[0].rfind('.'):]
        else:
            check = program
    if check[-3:] == '.py':
        try:
            modtime = datetime.fromtimestamp(os.path.getmtime(check))
            ver = '1.0.%04d.%d%02d' % (modtime.year, modtime.month, modtime.day)
        except:
            pass
    elif check[-5:] == '.html':
        try:
            modtime = datetime.fromtimestamp(os.path.getmtime(check))
            ver = '1.0.%04d.%d%02d' % (modtime.year, modtime.month, modtime.day)
        except:
            pass
    else:
        if sys.platform == 'win32' or sys.platform == 'cygwin':
            try:
                if check.find('\\') >= 0:  # if full path
                    info = GetFileVersionInfo(check, '\\')
                else:
                    info = GetFileVersionInfo(os.getcwd() + '\\' + check, '\\')
                ms = info['ProductVersionMS']
              #  ls = info['FileVersionLS']
                ls = info['ProductVersionLS']
                ver = str(HIWORD(ms)) + '.' + str(LOWORD(ms)) + '.' + str(HIWORD(ls)) + '.' + str(LOWORD(ls))
            except:
                try:
                    info = os.path.getmtime(os.getcwd() + '\\' + check)
                    ver = '1.0.' + datetime.datetime.fromtimestamp(info).strftime('%Y.%m%d')
                    if ver[9] == '0':
                        ver = ver[:9] + ver[10:]
                except:
                    pass
    return ver