uncompyle6

Python byte-code disassembler and source-code converter

Project description

uncompyle6

A native Python Byte-code Disassembler, Decompiler, and byte-code library

Introduction

uncompyle6 translates Python byte-code back into equivalent Python source code. It accepts byte-codes from Python version 2.5 to 3.4 or so and has been tested on Python 2.6, 2.7 and Python 3.4.

Why this?

What makes this different other CPython byte-code decompilers? Its ability to deparse just fragments and give source-code information around a given bytecode offset.

I using this to deparse fragments of code inside my trepan debuggers. For that, I need to record text fragements for all byte-code offsets (of interest). This purpose although largely compatible with the original intention is yet a little bit different. See this for more information.

The idea of Python fragment deparsing given an instruction offset can be used in showing stack traces or any program that wants to show a location in more detail than just a line number. It can be also used when source-code information does not exist and there is just bytecode information.

Other parts of the library can be used inside Python for various bytecode-related tasks. For example you can read in bytecode, i.e. perform a version-independent marshal.loads(), and disassemble the bytecode using version of Python different from the one used to compile the bytecode.

Installation

This uses setup.py, so it follows the standard Python routine:

python setup.py install # may need sudo
# or if you have pyenv:
python setup.py develop

A GNU makefile is also provided so make install (possibly as root or sudo) will do the steps above.

Testing

make check

A GNU makefile has been added to smooth over setting running the right command, and running tests from fastest to slowest.

If you have remake installed, you can see the list of all tasks including tests via remake –tasks

Usage

Run

./bin/uncompyle6 -h
./bin/pydisassemble -y

for usage help

Known Bugs/Restrictions

Python 3 deparsing is getting there, but not solid. Using Python 2 to deparse Python 3 is problematic, especilly for versions 3.4 and greater.

Project details

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3.9.2

Jul 21, 2024

3.9.1

Mar 16, 2024

3.9.0

Dec 23, 2022

3.8.0

Oct 30, 2021

3.7.4

Sep 5, 2020

3.7.3

Jul 25, 2020

3.7.2

Jun 28, 2020

3.7.1

Jun 13, 2020

3.7.0

May 19, 2020

3.6.7

Apr 28, 2020

3.6.6

Apr 21, 2020

3.6.5

Apr 1, 2020

3.6.4

Feb 9, 2020

3.6.3

Jan 26, 2020

3.6.2

Jan 5, 2020

3.6.1

Dec 24, 2019

3.6.0

Dec 10, 2019

3.5.1

Nov 18, 2019

3.5.0

Oct 13, 2019

3.4.1

Oct 2, 2019

3.4.0

Aug 24, 2019

3.3.5

Jul 4, 2019

3.3.4

Jun 12, 2019

3.3.3

May 19, 2019

3.3.2

May 4, 2019

3.3.1

Apr 19, 2019

3.3.0

Apr 14, 2019

3.2.6

Mar 23, 2019

3.2.5

Dec 30, 2018

3.2.4

Oct 27, 2018

3.2.3

Jun 13, 2018

3.2.2

Jun 12, 2018

3.2.1

Jun 4, 2018

3.2.0

May 19, 2018

3.1.3

Apr 16, 2018

3.1.2

Apr 8, 2018

3.1.1

Apr 1, 2018

3.1.0

Mar 22, 2018

3.0.1

Mar 7, 2018

3.0.0

Mar 2, 2018

2.16.0

Feb 17, 2018

2.15.1

Feb 5, 2018

2.15.0

Jan 27, 2018

2.14.3

Jan 19, 2018

2.14.2

Jan 9, 2018

2.14.1

Dec 10, 2017

2.14.0

Nov 26, 2017

2.13.3

Nov 13, 2017

2.13.2

Oct 12, 2017

2.13.1

Oct 11, 2017

2.13.0

Oct 11, 2017

2.12.0

Sep 26, 2017

2.11.5

Aug 31, 2017

2.11.4

Aug 15, 2017

2.11.3

Aug 10, 2017

2.11.2

Jul 9, 2017

2.11.1

Jun 25, 2017

2.11.0

Jun 18, 2017

2.10.1

Jun 3, 2017

2.10.0

May 30, 2017

2.9.11

May 6, 2017

2.9.10

Feb 26, 2017

2.9.9

Dec 31, 2016

2.9.8

Dec 17, 2016

2.9.7

Dec 4, 2016

2.9.6

Nov 21, 2016

2.9.5

Nov 13, 2016

2.9.4

Nov 3, 2016

2.9.3

Oct 26, 2016

2.8.4

Oct 8, 2016

2.8.3

Sep 11, 2016

2.8.2

Aug 30, 2016

2.8.1

Aug 21, 2016

2.8.0

Aug 3, 2016

2.7.1

Jul 26, 2016

2.7.0

Jul 15, 2016

2.6.2

Jul 11, 2016

2.6.1

Jul 8, 2016

2.6.0

Jul 7, 2016

2.5.0

Jun 23, 2016

2.4.0

May 18, 2016

2.3.6

May 14, 2016

2.3.5

May 14, 2016

2.3.4

May 5, 2016

2.3.3

May 3, 2016

2.3.2

May 2, 2016

2.3.1

Apr 30, 2016

2.3.0

Apr 30, 2016

2.2.0

Apr 19, 2016

2.1.3

Jan 3, 2016

2.1.2

Dec 31, 2015

2.1.1

Dec 27, 2015

2.1.0

Dec 27, 2015

This version

2.0.0

Dec 25, 2015

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uncompyle6 2.0.0

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