Building Py2Exe from source

Kylotan

I need to be able to build Py2Exe from the source code as I am making
a Windows executable where I wish to preprocess the modules before
importing them.It looks like I can do this by adding lines to
Load_Module() in py2exe's start.c. However problem I have is that I
can't build Py2Exe using the instructions provided. Using the
designated command of "python setup.py install" I get this error:
Traceback (most recent call last):
File "setup.py", line 340, in ?
raise RuntimeError, msg
RuntimeError: PYWIN32DIR invalid.

To build py2exe from source, you must either:

- Download and build Mark Hammond's pywin32 source code
from http://starship.python.net/crew/mhammond, and set
the PYWIN32DIR variable to point to this directory

- or change this setup script to not build run_svc target,
then you will not be able to build Windows NT services
with py2exe.
The main problem I encountered is that the 2nd option appears
misleading: removing run_svc from the list of targets does no good as
it still attempts to find some sort of "win32" directory before it
even gets that far. Or maybe I'm missing something.

If option 1 requires following these arduous-looking instructions:
<http://starship.python .net/crew/mhammond/win32/BuildingExtensi ons.html>
then I'd rather bypass that if at all possible. :) I only need to
build standard executables, not DLLs, NT services, or anything to do
with COM.

Any help getting around this problem would be much appreciated.

(Platform: Win98SE, Python 2.3.3.)

--
Ben Sizer

Jul 18 '05 #1

Subscribe Reply

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Thomas Heller

ky*****@hotmail .com (Kylotan) writes:

I need to be able to build Py2Exe from the source code as I am making
a Windows executable where I wish to preprocess the modules before
importing them.
Hm, is this really a good idea? py2exe includes the .pyc (or .pyo)
files, not the sources itself. Can't you preprocess them while building
the exe? This way you would only have to hack python-code, not C code...
It looks like I can do this by adding lines to
Load_Module() in py2exe's start.c. However problem I have is that I
can't build Py2Exe using the instructions provided. Using the
designated command of "python setup.py install" I get this error:
Traceback (most recent call last):
File "setup.py", line 340, in ?
raise RuntimeError, msg
RuntimeError: PYWIN32DIR invalid.

To build py2exe from source, you must either:

- Download and build Mark Hammond's pywin32 source code
from http://starship.python.net/crew/mhammond, and set
the PYWIN32DIR variable to point to this directory

- or change this setup script to not build run_svc target,
then you will not be able to build Windows NT services
with py2exe.
The main problem I encountered is that the 2nd option appears
misleading: removing run_svc from the list of targets does no good as
it still attempts to find some sort of "win32" directory before it
even gets that far. Or maybe I'm missing something.
You *should* be able to hack the py2exe setup-script to do this, only
removing run_svc from the list is certainly not enough.
Any help getting around this problem would be much appreciated.

(Platform: Win98SE, Python 2.3.3.)

Normally I would recommend the upcoming py2exe 0.5 for this, although it
does not yet run on Win98, but I'm working on it.

Thomas

Jul 18 '05 #2

Kylotan

Thomas Heller <th*****@python .net> wrote in message news:<oe******* ***@python.net> ...

ky*****@hotmail .com (Kylotan) writes:
I need to be able to build Py2Exe from the source code as I am making
a Windows executable where I wish to preprocess the modules before
importing them.
Hm, is this really a good idea? py2exe includes the .pyc (or .pyo)
files, not the sources itself. Can't you preprocess them while building
the exe? This way you would only have to hack python-code, not C code...

One of my requirements is encryption of the pyc files. (I need -some-
degree of basic protection against decompyle and the like.) The file
in the archive needs to be encrypted and only decrypted when it comes
to be imported. This looks like only being about 3 or 4 lines of extra
C code (given a standalone encryption library) if put in the correct
place.
You *should* be able to hack the py2exe setup-script to do this, only
removing run_svc from the list is certainly not enough.
Sadly Python is my 2nd language, and these distutils scripts in
general are possibly the most complex (or at least idiosyncratic) code
that I've seen. I understand very little of it. :) And wouldn't know
where to start altering it.
Normally I would recommend the upcoming py2exe 0.5 for this, although it
does not yet run on Win98, but I'm working on it.

Ok. I don't need to do this urgently, but Win98SE is going to be both
a key development and deployment platform for me.

--
Ben Sizer

Jul 18 '05 #3

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