42 lines
1.8 KiB
Python
42 lines
1.8 KiB
Python
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"""
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Demonstrates how to propagate a folder's view state to all its subfolders
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The format of the ColInfo stream is apparently undocumented, but
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it can be read raw from one folder and copied to another's view state.
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"""
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from win32com.shell import shell, shellcon
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import pythoncom
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import os, sys
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template_folder=os.path.split(sys.executable)[0]
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print('Template folder:', template_folder)
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template_pidl=shell.SHILCreateFromPath(template_folder,0)[0]
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template_pb=shell.SHGetViewStatePropertyBag(template_pidl, "Shell", shellcon.SHGVSPB_FOLDERNODEFAULTS, pythoncom.IID_IPropertyBag)
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# Column info has to be read as a stream
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# This may blow up if folder has never been opened in Explorer and has no ColInfo yet
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template_iunk=template_pb.Read('ColInfo',pythoncom.VT_UNKNOWN)
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template_stream=template_iunk.QueryInterface(pythoncom.IID_IStream)
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streamsize=template_stream.Stat()[2]
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template_colinfo=template_stream.Read(streamsize)
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def update_colinfo(not_used, dir_name, fnames):
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for fname in fnames:
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full_fname=os.path.join(dir_name,fname)
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if os.path.isdir(full_fname):
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print(full_fname)
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pidl=shell.SHILCreateFromPath(full_fname,0)[0]
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pb=shell.SHGetViewStatePropertyBag(pidl, "Shell", shellcon.SHGVSPB_FOLDERNODEFAULTS, pythoncom.IID_IPropertyBag)
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## not all folders already have column info, and we're replacing it anyway
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pb.Write('ColInfo', template_stream)
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iunk=pb.Read('ColInfo',pythoncom.VT_UNKNOWN)
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s=iunk.QueryInterface(pythoncom.IID_IStream)
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s.Write(template_colinfo)
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s=None
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## attribute names read from registry, can't find any way to enumerate IPropertyBag
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for attr in ('Address','Buttons','Col','Vid','WFlags','FFlags','Sort','SortDir','ShowCmd','FolderType','Mode','Rev'):
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pb.Write(attr, template_pb.Read(attr))
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pb=None
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os.path.walk(template_folder,update_colinfo,None)
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