COM makepy broken in ActivePython 2.3.2?

Mark Hammond mhammond at skippinet.com.au
Sat Nov 22 01:28:13 CET 2003


Gerson Kurz wrote:

> I have problems getting "COM makepy" working in ActivePython 2.3.2.
> This is what happens when I start "COM makepy" from the Pythonwin
> Menu:
> 
> PythonWin 2.3.2 (#49, Nov  6 2003, 10:18:20) [MSC v.1200 32 bit
> (Intel)] on win32.
> Portions Copyright 1994-2001 Mark Hammond (mhammond at skippinet.com.au)
> - see 'Help/About PythonWin' for further copyright information.
> 
>>>>Failed to execute command:
> 
> from win32com.client import makepy;makepy.main()
> Traceback (most recent call last):
>   File
> "C:\Python23\Lib\site-packages\Pythonwin\pywin\framework\toolmenu.py",
> line 103, in HandleToolCommand
>     exec "%s\n" % pyCmd
>   File "<string>", line 1, in ?
>   File "C:\Python23\Lib\site-packages\win32com\client\__init__.py",
> line 12, in ?
>     import dynamic, gencache, pythoncom
>   File "C:\Python23\Lib\site-packages\win32com\client\gencache.py",
> line 623, in ?
>     __init__()
>   File "C:\Python23\Lib\site-packages\win32com\client\gencache.py",
> line 52, in __init__
>     Rebuild()
>   File "C:\Python23\Lib\site-packages\win32com\client\gencache.py",
> line 610, in Rebuild
>     _SaveDicts()
>   File "C:\Python23\Lib\site-packages\win32com\client\gencache.py",
> line 57, in _SaveDicts
>     raise RuntimeError, "Trying to write to a readonly gencache
> ('%s')!" \
> RuntimeError: Trying to write to a readonly gencache
> ('C:\TEMP\gen_py\2.3')!
> ---------------------------------------------------
> 
> OK, so I figure it wants to write to C:\TEMP\gen_py (why? IIRC this
> used to be buried somewhere along the site-packages). I create the
> directory & import a class. This is what happens:
> 
> Generating to
> C:\TEMP\gen_py\2.3\08EF934A-521D-4E29-A92F-0FDE92DDE9D6x0x1x0.py
> Failed to execute command:
> from win32com.client import makepy;makepy.main()
> Traceback (most recent call last):
>   File
> "C:\Python23\Lib\site-packages\Pythonwin\pywin\framework\toolmenu.py",
> line 103, in HandleToolCommand
>     exec "%s\n" % pyCmd
>   File "<string>", line 1, in ?
>   File "C:\Python23\Lib\site-packages\win32com\client\makepy.py", line
> 362, in main
>     GenerateFromTypeLibSpec(arg, f, verboseLevel = verboseLevel,
> bForDemand = bForDemand, bBuildHidden = hiddenSpec)
>   File "C:\Python23\Lib\site-packages\win32com\client\makepy.py", line
> 273, in GenerateFromTypeLibSpec
>     gencache.AddModuleToCache(info.clsid, info.lcid, info.major,
> info.minor)
>   File "C:\Python23\Lib\site-packages\win32com\client\gencache.py",
> line 514, in AddModuleToCache
>     mod = _GetModule(fname)
>   File "C:\Python23\Lib\site-packages\win32com\client\gencache.py",
> line 590, in _GetModule
>     mod = __import__(mod_name)
>   File
> "C:\TEMP\gen_py\2.3\08EF934A-521D-4E29-A92F-0FDE92DDE9D6x0x1x0.py",
> line 12, in ?
>     from win32com.client import Dispatch
> ImportError: cannot import name Dispatch
> ---------------------------------------------------
> 
> Now when I try this:
> 
> import win32com.client
> instance = win32com.client.Dispatch("...")
> 
> it tells me that Dispatch is not found ???? I restart pythonwin &
> python2.3.2 & win32all "out of the box" before and didn't have any of
> these problems. So, is "COM makepy" broken in AP232? 

Try creating a "gen_py" directory under the installed win32com 
directory.  The directory need only exist, not contain anything.  This 
should make it start working.  I'm not sure if the recent APy update 
fixed that...

Mark.





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