Microsoft Compound File Binary File Format IO
CfbIO provides access to internal structure of Microsoft Compound File Binary File Format.
Module operates with input file like standard IO module in Python. You can seek, read and maybe one day write those files, like all other file-like objects. Also module grants access to internal directory structure containing Entries, which are also standard readable/seekable objects.
So, your work with this module is very simple:
from cfb import CfbIO from cfb.directory.entry import SEEK_END doc = CfbIO("tests/data/simple.doc") root = doc.root print(root.read()) # Read whole root entry buffer some_entry = doc.directory.left some_entry.seek(100, whence=SEEK_END) print(some_entry.read(100)) # Read last 100 bytes from left sibling
All classes are lazy, so you can read really big files without memory leaks. All data will be read only, when you will want it.
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