69 lines
2.3 KiB
Python
69 lines
2.3 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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import os
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import sys
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import pythoncom
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from win32com.shell import shell, shellcon
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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(
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template_pidl,
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"Shell",
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shellcon.SHGVSPB_FOLDERNODEFAULTS,
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pythoncom.IID_IPropertyBag,
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)
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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(
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pidl,
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"Shell",
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shellcon.SHGVSPB_FOLDERNODEFAULTS,
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pythoncom.IID_IPropertyBag,
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)
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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 (
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"Address",
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"Buttons",
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"Col",
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"Vid",
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"WFlags",
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"FFlags",
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"Sort",
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"SortDir",
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"ShowCmd",
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"FolderType",
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"Mode",
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"Rev",
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):
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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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