When loading a dll in Python does the dir function shows its methods?

Does this code shows the methods from a dll?

from ctypes import *
x = cdll.LoadLibrary("olari.dll")
dir(x)

if not, how can we see the .d开发者_如何学Pythonll methods in python?

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No, it doesn't. But It can cache when you call, and will show in dir after that.

You could take a look this SO Thread, even in Win32, seems like need to parse PE Header. I think python need to do similar way.

UPDATE:

I found pefile read/write module written in python, there you can find exported entries.

for entry in pe.DIRECTORY_ENTRY_IMPORT:
  print entry.dll
  for imp in entry.imports:
    print '\t', hex(imp.address), imp.name
Output
comdlg32.dll
        0x10012A0L PageSetupDlgW
        0x10012A4L FindTextW
        0x10012A8L PrintDlgExW
[snip]
SHELL32.dll
        0x1001154L DragFinish
        0x1001158L DragQueryFileW

imp.name will be the one you are looking for. You could use that name in ctypes like

>>> ctypes.windll.comdlg32.PageSetupDlgW
<_FuncPtr object at 0x00A97210>
>>> ctypes.windll.comdlg32.FindTextW
<_FuncPtr object at 0x00A97288>
...