# fileversion.py
import dynwin.windll as windll
import dynwin.oracle as oracle
import calldll
cstring = windll.cstring
version = windll.module('version')
vs_fixed_file_info = oracle.Oracle(
'fixed file info structure',
'Nllhhhhhhhhlllllll',
('signature',
'struc_version',
'file_version_msl',
'file_version_msh',
'file_version_lsl',
'file_version_lsh',
'product_version_msl',
'product_version_msh',
'product_version_lsl',
'product_version_lsh',
'file_flags_mask',
'file_flags',
'file_os',
'file_type',
'file_subtype',
'file_date_ms',
'file_date_ls')
)
def _get_file_version_info_size(filename):
return version.GetFileVersionInfoSize(cstring(filename), 0)
def _get_file_version_info(filename, verinfosize):
buffer = windll.membuf(verinfosize)
result = version.GetFileVersionInfo(cstring(filename),
0,
buffer.size(),
buffer.address())
return result, buffer
def _ver_query_value(buffer):
verbufptr = windll.membuf(32)
verbuflen = windll.membuf(32)
result = version.VerQueryValue(buffer.address(),
cstring('\\'),
verbufptr,
verbuflen)
verbuffer = calldll.read_string(calldll.read_long(verbufptr),
calldll.read_long(verbuflen))
dict, size = vs_fixed_file_info.unpack(verbuffer)
msh = str(dict['file_version_msh'])
msl = str(dict['file_version_msl'])
lsh = str(dict['file_version_lsh'])
lsl = str(dict['file_version_lsl'])
file_version = msh + '.' + msl + '.' + lsh + '.' + lsl
return result, file_version
def get_file_version(filename):
verinfosize = _get_file_version_info_size(filename)
if not verinfosize: return None
result, buffer = _get_file_version_info(filename, verinfosize)
if not result: return None
result, file_version = _ver_query_value(buffer)
if not result: return None
return file_version
if __name__ == '__main__':
import os
for file in os.listdir('c:\\winnt\\system32'):
if not os.path.isdir(file):
file_version = get_file_version(file)
print file, file_version
