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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
test	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
README	12.38 KB	-rw-r--r--	2019-03-18 20:21
bkfile.py	1.55 KB	-rw-r--r--	2024-04-17 20:39
checkextensions.py	2.57 KB	-rw-r--r--	2024-04-17 20:39
checkextensions_win32.py	6.05 KB	-rw-r--r--	2024-04-17 20:39
extensions_win32.ini	3.9 KB	-rw-r--r--	2019-03-18 20:21
flag.py	41 B	-rw-r--r--	2024-04-17 20:39
freeze.py	16.68 KB	-rwxr-xr-x	2024-04-17 20:39
hello.py	24 B	-rw-r--r--	2024-04-17 20:39
makeconfig.py	1.63 KB	-rw-r--r--	2024-04-17 20:39
makefreeze.py	2.64 KB	-rw-r--r--	2024-04-17 20:39
makemakefile.py	907 B	-rw-r--r--	2024-04-17 20:39
parsesetup.py	2.94 KB	-rw-r--r--	2024-04-17 20:39
win32.html	7.01 KB	-rw-r--r--	2019-03-18 20:21
winmakemakefile.py	4.86 KB	-rw-r--r--	2024-04-17 20:39

Rename

import marshal
import bkfile

# Write a file containing frozen code for the modules in the dictionary.

header = """
#include "Python.h"

static struct _frozen _PyImport_FrozenModules[] = {
"""
trailer = """\
    {0, 0, 0} /* sentinel */
};
"""

# if __debug__ == 0 (i.e. -O option given), set Py_OptimizeFlag in frozen app.
default_entry_point = """
int
main(int argc, char **argv)
{
        extern int Py_FrozenMain(int, char **);
""" + ((not __debug__ and """
        Py_OptimizeFlag++;
""") or "")  + """
        PyImport_FrozenModules = _PyImport_FrozenModules;
        return Py_FrozenMain(argc, argv);
}

"""

def makefreeze(base, dict, debug=0, entry_point=None, fail_import=()):
    if entry_point is None: entry_point = default_entry_point
    done = []
    files = []
    mods = sorted(dict.keys())
    for mod in mods:
        m = dict[mod]
        mangled = "__".join(mod.split("."))
        if m.__code__:
            file = 'M_' + mangled + '.c'
            outfp = bkfile.open(base + file, 'w')
            files.append(file)
            if debug:
                print("freezing", mod, "...")
            str = marshal.dumps(m.__code__)
            size = len(str)
            if m.__path__:
                # Indicate package by negative size
                size = -size
            done.append((mod, mangled, size))
            writecode(outfp, mangled, str)
            outfp.close()
    if debug:
        print("generating table of frozen modules")
    outfp = bkfile.open(base + 'frozen.c', 'w')
    for mod, mangled, size in done:
        outfp.write('extern unsigned char M_%s[];\n' % mangled)
    outfp.write(header)
    for mod, mangled, size in done:
        outfp.write('\t{"%s", M_%s, %d},\n' % (mod, mangled, size))
    outfp.write('\n')
    # The following modules have a NULL code pointer, indicating
    # that the frozen program should not search for them on the host
    # system. Importing them will *always* raise an ImportError.
    # The zero value size is never used.
    for mod in fail_import:
        outfp.write('\t{"%s", NULL, 0},\n' % (mod,))
    outfp.write(trailer)
    outfp.write(entry_point)
    outfp.close()
    return files

# Write a C initializer for a module containing the frozen python code.
# The array is called M_<mod>.

def writecode(outfp, mod, str):
    outfp.write('unsigned char M_%s[] = {' % mod)
    for i in range(0, len(str), 16):
        outfp.write('\n\t')
        for c in bytes(str[i:i+16]):
            outfp.write('%d,' % c)
    outfp.write('\n};\n')

## def writecode(outfp, mod, str):
##     outfp.write('unsigned char M_%s[%d] = "%s";\n' % (mod, len(str),
##     '\\"'.join(map(lambda s: repr(s)[1:-1], str.split('"')))))