3.12. lf.win.shell.thumbsdb — Thumbnail cache (thumbs.db) files
This module contains classes to read Microsoft Windows thumbnail cache
(thumbs.db) files.
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class lf.win.shell.thumbsdb.ThumbsDb(cfb)
Represents a thumbs.db file.
| Parameter: | cfb (CompoundFile) – An OLE compound file that represents the thumbs.db file. |
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| Raises KeyError: |
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| | If catalog_name is not found in cfb. |
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catalog
- An instance of a Catalog object.
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thumbnails
- A dictionary of Thumbnail objects. The keys are the numeric
indices.
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class lf.win.shell.thumbsdb.Thumbnail
Represents a thumbnail in a thumbs.db file.
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size
- The total size of the entry.
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data
- The raw thumbnail data.
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from_stream(stream, offset=None):
Creates a Thumbnail object from a stream.
| Parameters: |
- stream (IStream) – A stream that contains the structure.
- offset (int) – The start of the structure in stream.
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| Return type: | Thumbnail
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| Returns: | The corresponding Thumbnail object.
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class lf.win.shell.thumbsdb.Catalog
Represents the catalog of information in a thumbs.db file.
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width
- The width (in pixels) of the thumbnails.
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height
- The height (in pixels) of the thumbnails.
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item_count
- The number of catalog entries. (extracted)
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entries
- A list of CatalogEntry objects describing the thumbnails.
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from_stream(stream, offset=None):
Creates a Catalog object from a stream.
| Parameters: |
- stream (IStream) – A stream that contains the structure.
- offset (int) – The start of the structure in stream.
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| Return type: | Catalog
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| Returns: | The corresponding Catalog object.
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class lf.win.shell.thumbsdb.CatalogEntry
Represents an entry in a Catalog.
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size
- The total size of the catalog entry.
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id
- The numeric identifier of the thumbnail, used to determine the
corresponding stream name. Sometimes called the index.
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mtime
- The time the thumbnail was last modified.
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file_name
- The name of the file the thumbnail is associated with.
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stream_name
- The name of the corresponding OLE stream. (computed)
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from_stream(stream, offset=None):
Creates a CatalogEntry object from a stream.
| Parameters: |
- stream (IStream) – A stream that contains the structure.
- offset (int) – The start of the structure in stream.
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| Return type: | CatalogEntry
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| Returns: | The corresponding CatalogEntry object.
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