construct

Instead of writing imperative code to parse a piece of data, you declaratively define a data structure that describes your data. As this data structure is not code, you can use it in one direction to parse data into Pythonic objects, and in the other direction, convert ("build") objects into binary data.

The library provides both simple, atomic constructs (such as integers of various sizes), as well as composite ones which allow you form hierarchical structures of increasing complexity. Construct features bit and byte granularity, easy debugging and testing, an easy-to-extend subclass system, and lots of primitive constructs to make your work easier:

Fields: raw bytes or numerical types
Structs and Sequences: combine simpler constructs into more complex ones
Adapters: change how data is represented
Arrays/Ranges: duplicate constructs
Meta-constructs: use the context (history) to compute the size of data
If/Switch: branch the computational path based on the context
On-demand (lazy) parsing: read only what you require
Pointers: jump from here to there in the data stream

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Source Files (show merged sources derived from linked package)
Filename Size Changed Actions
python-construct.changes 0000003319 3.24 KB 4 days
python-construct.spec 0000002387 2.33 KB 4 days
split_debug.patch 0000001045 1.02 KB 9 months
v2.9.45.tar.gz 0001042299 1020 KB 10 months
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