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Date: Fri, 08 Nov 2013 17:51:52 +0000
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To: python-list@python.org
Subject: Re: pywin32 programming error on Win7 with shell.SHGetDesktopFolder, desktop.BindToObject, desktop.GetDisplayNameOf
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Xref: csiph.com comp.lang.python:58825

On 08/11/2013 03:30, iMath wrote:
>
> When running the following code on WinXP , all is fine ,
> --------------------------------------------------------------
> from win32com.shell import shell
>
> def launch_file_explorer(path, files):
>
>      folder_pidl = shell.SHILCreateFromPath(path,0)[0]
>      desktop = shell.SHGetDesktopFolder()
>      shell_folder = desktop.BindToObject(folder_pidl, None,shell.IID_IShellFolder)
>      name_to_item_mapping = dict([(desktop.GetDisplayNameOf(item, 0), item) for item in shell_folder])
>      to_show = []
>      for file in files:
>          if file not in name_to_item_mapping:
>              raise Exception('File: "{}" not found in "{}"'.format(file, path))
>          to_show.append(name_to_item_mapping[file])
>      shell.SHOpenFolderAndSelectItems(folder_pidl, to_show, 0)
> import os
>
>
> p=r'E:\aa'
> print(os.listdir(p))
> launch_file_explorer(p, os.listdir(p))
> --------------------------------------------------------------
>
> however ,when tested on Win7,I got the following error
>
> --------------------------------------------------------------
>
> ['b1', 'b2', 't.txt']
> Traceback (most recent call last):
>    File "D:\g.py", line 21, in <module>
>      launch_file_explorer(p, os.listdir(p))
>    File "D:\g.py", line 13, in launch_file_explorer
>      raise Exception('File: "{}" not found in "{}"'.format(file, path))
> Exception: File: "t.txt" not found in "E:\aa"
> --------------------------------------------------------------
> I nearly have no experience on pywin32 programming ,the above code is googled,anyone can help me fix this error ?thanks in advance !
>
It's building a dict where the key is the result of
desktop.GetDisplayNameOf(item, 0), and it's then not finding a given
name in that dict.

Try printing the keys to see what's there. It might be that
desktop.GetDisplayNameOf(item, 0) returns different strings in Win7
from those in WinXP.