hachoir

Python framework to parse and edit binary files

Description

Hachoir is a Python library used to represent of a binary file as a tree of Python objects. Each object has a type, a value, an address, etc. The goal is to be able to know the meaning of each bit in a file.

Why using slow Python code instead of fast hardcoded C code? Hachoir has many interesting features:

* Autofix: Hachoir is able to open invalid / truncated files

* Lazy: Open a file is very fast since no information is read from file,

data are read and/or computed when the user ask for it

* Types: Hachoir has many predefined field types (integer, bit, string, etc.)

and supports string with charset (ISO-8859-1, UTF-8, UTF-16, ...)

* Addresses and sizes are stored in bit, so flags are stored as classic fields

* Endian: You have to set endian once, and then number are converted in the

right endian

* Editor: Using Hachoir representation of data, you can edit, insert, remove

data and then save in a new file.

Hachoir provides command-line tools using its parsers:

* hachoir-grep: find a text pattern in a binary file

* hachoir-metadata: get metadata from binary files

* hachoir-strip: modify a file to remove metadata

* hachoir-urwid: display the content of a binary file in text mode

* hachoir-wx: display the content of a binary file in a GUI

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Homepage

https://github.com/vstinner/hachoir

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