Python 判斷目前的 DLL or EXE 是32bit 還是 64bit

第一種為使用 win32file 裡面的 method，GetBinaryType 這個 method 在ms 的官方文件也有提到

第二種方法為 直接讀取binary判斷byte 裡面的資料....

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# -*- coding: utf-8 -*- #source page:#http://stackoverflow.com/questions/1345632/determine-if-an-executable-or-library-is-32-or-64-bits-on-windowsimport win32file if __name__ == "__main__":    spath = r"C:\Temp\somewher\Your_File64_or_32.exe"    SCS_64BIT_BINARY = 6#在這裡特別定義這個constant 原因就是因為 win32file 裡面沒有定義這個(我是使用 python2.5.2.2 32bit)     type = win32file.GetBinaryType(spath)    print "type", type    if type == win32file.SCS_32BIT_BINARY:        print "A 32-bit Windows-based application"    elif type == SCS_64BIT_BINARY:        print "A 64-bit Windows-based application."    elif type == win32file.SCS_DOS_BINARY:        print "An MS-DOS – based application"    elif type == win32file.SCS_OS216_BINARY:        print "A 16-bit OS/2-based application"    elif type == win32file.SCS_PIF_BINARY:        print "A PIF file that executes an MS-DOS – based application"    elif type == win32file.SCS_POSIX_BINARY:        print "A POSIX – based application"    elif type == win32file.SCS_WOW_BINARY:        print "A 16-bit Windows-based application"

ConstantValueMeaningSCS_32BIT_BINARY0A 32-bit Windows-based applicationSCS_64BIT_BINARY6A 64-bit Windows-based application.SCS_DOS_BINARY1An MS-DOS – based applicationSCS_OS216_BINARY5A 16-bit OS/2-based applicationSCS_PIF_BINARY3A PIF file that executes an MS-DOS – based applicationSCS_POSIX_BINARY4A POSIX – based applicationSCS_WOW_BINARY2A 16-bit Windows-based application
ConstantValueMeaningSCS_32BIT_BINARY0A 32-bit Windows-based applicationSCS_64BIT_BINARY6A 64-bit Windows-based application.SCS_DOS_BINARY1An MS-DOS – based applicationSCS_OS216_BINARY5A 16-bit OS/2-based applicationSCS_PIF_BINARY3A PIF file that executes an MS-DOS – based applicationSCS_POSIX_BINARY4A POSIX – based applicationSCS_WOW_BINARY2A 16-bit Windows-based application

http://msdn.microsoft.com/en-us/library/aa364819(VS.85).aspx

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import struct  IMAGE_FILE_MACHINE_I386=332 IMAGE_FILE_MACHINE_IA64=512 IMAGE_FILE_MACHINE_AMD64=34404  f=open("c:\windows\explorer.exe", "rb")  s=f.read(2) if s!="MZ":     print "Not an EXE file" else:     f.seek(60)     s=f.read(4)     header_offset=struct.unpack("<L", s)[0]     f.seek(header_offset+4)     s=f.read(2)     machine=struct.unpack("<H", s)[0]      if machine==IMAGE_FILE_MACHINE_I386:         print "IA-32 (32-bit x86)"     elif machine==IMAGE_FILE_MACHINE_IA64:         print "IA-64 (Itanium)"     elif machine==IMAGE_FILE_MACHINE_AMD64:         print "AMD64 (64-bit x86)"     else:         print "Unknown architecture"  f.close()

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