checkRvtPython.py

import os
import os.path as op
import olefile
import re

def getfileInfo(bfi):
  msgbox = 'Version non trouvée'
  file_info_read = bfi.read() 
    for codec , regex in [['utf_16_le', r"(\d{4})..Build"], ['utf_16_be', r"Format.+?(\d{4})"]]:
      file_info = file_info_read.decode(codec, "ignore")
      if re.search(regex, file_info) is not None:
        rvt_file_version = re.search(regex, file_info).group(1)
        rvtversion = 'Fichier Revit version {}'.format(rvt_file_version)
        break
  return rvtversion, file_info         

def get_rvt_file_version(rvt_file):
  if op.exists(rvt_file):
    if olefile.isOleFile(rvt_file):
      rvt_ole = olefile.OleFileIO(rvt_file)
      bfi = rvt_ole.openstream("BasicFileInfo")
      rvtversion, file_info = getfileInfo(bfi)
      return rvtversion
    else:
      rvtversion = "le fichier n'a pas de structure OLE"
      return rvtversion
  else:
    rvtversion = "Fichier non trouvé"
    return rvtversion
  
#usage
print(get_rvt_file_version("C:\\exemple.rvt"))