How to decompile an exe file compiled by py2exe?

[Leo Jay]

Dear All,

I lost my source code because of my incaution.
so anyone can tell me how to decompile the exe file compiled by py2exe?

Thanks.

 

[Thomas Jollans]

Dear All,

I lost my source code because of my incaution.
so anyone can tell me how to decompile the exe file compiled by py2exe?

Thanks.

If you find a program that de-compiles exe to python, it will most
likely use very ugly, c-like python because a microchip is no python
interpreter. This is based on the assumption that py2exe really
generates a pure exe and not an exe that interprets bytecode python.
be that the case, it may yield decent results, but ugly nontheless.

It might better to re-write it...

 

[Ivan Voras]

interpreter. This is based on the assumption that py2exe really
generates a pure exe and not an exe that interprets bytecode python.
be that the case, it may yield decent results, but ugly nontheless.

It is - py2exe embeds python bytecodes. It seems it does it in the
"library.zip" file (if I'm reading
http://starship.python.net/crew/theller/moin.cgi/Py2Exe correctly).
Bytecode files extracted should be decompilable to something resembling
original python code by a python decompiler (quick Googling finds
"decompyle": http://www.crazy-compilers.com/).

 

[A.B., Khalid]

Dear All,

I lost my source code because of my incaution.
so anyone can tell me how to decompile the exe file compiled by py2exe?

Thanks.

In older versions of py2exe (haven't tried it for new ones) I only had
to drag the py2exe created file to my zip archiever program window.
That somehow got the program to treat the py2exe application as a zip
archieve effectively decompressing it right there in the window of the
program. This enabled me to extract the files if I wish to do so to any
place I want.

This is also valid, I noted, for the binary distributions created for
windows by the distutils.

 

[=?ISO-8859-1?Q?Jean-Fran=E7ois_Doyon?=]

Last I looked, py2exe only kept the byte-compiiled versions of your
files, and not the raw source.

py2exe is just an archive, you can open it up in WinZip for example
and see your .pyc/pyo files.

That gets you part of the way there ... Then you would need to find a
way to "disassemble" the byte-code.

There's this:

http://docs.python.org/lib/module-dis.html

and

http://users.cs.cf.ac.uk/J.P.Giddy/python/decompiler/decompiler.html

for inspiration ...

Doesn't look easy though.

J.F.