Combining Pyrex and the Pytte Runtime (Work In Progress)

Fredrik Lundh | October 2006 | Originally posted to online.effbot.org

Some “screen captures” from a few sessions working on a Pyrex/Pytte mashup.

Yet another silly experiment

> more hello1.pyx
#
#  Hello world!
#

print "Hello world!"

> python make.py hello1.pyx
running pyrex on hello1.pyx
       fixing up hello1.c

> cl -MD -O1 -Ipytte hello1.c pytte.c
Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 12.00.8168 for 80x86
Copyright (C) Microsoft Corp 1984-1998. All rights reserved.

hello1.c
pytte.c
Generating Code...
Microsoft (R) Incremental Linker Version 6.00.8168
Copyright (C) Microsoft Corp 1992-1998. All rights reserved.

/out:hello1.exe
hello1.obj
pytte.obj

> hello1
Hello world!

> upx hello1.exe
                    Ultimate Packer for eXecutables
  Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
UPX 1.25w      Markus F.X.J. Oberhumer & Laszlo Molnar      Jun 29th 2004

        File size         Ratio      Format      Name
   --------------------   ------   -----------   -----------
     16384 ->      3584   21.88%    win32/pe     hello1.exe

Packed 1 file.

> dir hello1.exe

2006-10-23  15:58             3 584 hello1.exe
               1 File(s)          3 584 bytes

> hello1
Hello world!

Progress

> more hello2.pyx

hello = "Hello"
world = "world"

print hello, world + "!"

> python make.py hello2
hello2.pyx
...

> hello2
Hello world!

Almost There

> more hello3.pyx

def hello():
    print "Hello world!"

hello()

> python make.py hello3
hello3.pyx
...

> hello3
Hello world!

> more hello4.pyx
data = {
        "H": ["Hello"],
        "W": ["world" + "!"],
        }

data = data["H"][0], data["W"][0]

print data[0], data[1]

> python make.py hello4
hello4.pyx
...

> hello4
Hello world!

> dir *.exe
2006-10-24  22:30             4 608 hello3.exe
2006-10-24  23:02             5 120 hello4.exe

> dumpbin /dependents hello4.exe
Microsoft (R) COFF/PE Dumper Version 7.10.3077
Copyright (C) Microsoft Corporation.  All rights reserved.

Dump of file hello4.exe

File Type: EXECUTABLE IMAGE

  Image has the following dependencies:

    KERNEL32.DLL
    MSVCR71.dll

...

Closer and closer

$ more hello5.pyx

def say(hello, world):
    print hello, world

say("Hello", "world!")

$ gcc -O1 -o hello5 hello5.c pytte.c
$ strip hello5
$ ./hello5
Hello world!
$ ls -l hello5
-rwxrwxr-x    1 fredrik  fredrik      9392 Oct 25 20:27 hello5