mirror of https://github.com/python/cpython.git
92 lines
1.9 KiB
Python
92 lines
1.9 KiB
Python
import marshal
|
|
|
|
|
|
# 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 */
|
|
};
|
|
|
|
struct _frozen *PyImport_FrozenModules = _PyImport_FrozenModules;
|
|
"""
|
|
|
|
def makefreeze(outfp, dict):
|
|
done = []
|
|
mods = dict.keys()
|
|
mods.sort()
|
|
for mod in mods:
|
|
modfn = dict[mod]
|
|
try:
|
|
str = makecode(modfn)
|
|
except IOError, msg:
|
|
sys.stderr.write("%s: %s\n" % (modfn, str(msg)))
|
|
continue
|
|
if str:
|
|
done.append(mod, len(str))
|
|
writecode(outfp, mod, str)
|
|
outfp.write(header)
|
|
for mod, size in done:
|
|
outfp.write('\t{"%s", M_%s, %d},\n' % (mod, mod, size))
|
|
outfp.write(trailer)
|
|
|
|
|
|
# Return code string for a given module -- either a .py or a .pyc
|
|
# file. Return either a string or None (if it's not Python code).
|
|
# May raise IOError.
|
|
|
|
def makecode(filename):
|
|
if filename[-3:] == '.py':
|
|
f = open(filename, 'r')
|
|
try:
|
|
text = f.read()
|
|
code = compile(text, filename, 'exec')
|
|
finally:
|
|
f.close()
|
|
return marshal.dumps(code)
|
|
if filename[-4:] == '.pyc':
|
|
f = open(filename, 'rb')
|
|
try:
|
|
f.seek(8)
|
|
str = f.read()
|
|
finally:
|
|
f.close()
|
|
return str
|
|
# Can't generate code for this extension
|
|
return None
|
|
|
|
|
|
# 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('static unsigned char M_%s[] = {' % mod)
|
|
for i in range(0, len(str), 16):
|
|
outfp.write('\n\t')
|
|
for c in str[i:i+16]:
|
|
outfp.write('%d,' % ord(c))
|
|
outfp.write('\n};\n')
|
|
|
|
|
|
# Test for the above functions.
|
|
|
|
def test():
|
|
import os
|
|
import sys
|
|
if not sys.argv[1:]:
|
|
print 'usage: python freezepython.py file.py(c) ...'
|
|
sys.exit(2)
|
|
dict = {}
|
|
for arg in sys.argv[1:]:
|
|
base = os.path.basename(arg)
|
|
mod, ext = os.path.splitext(base)
|
|
dict[mod] = arg
|
|
makefreeze(sys.stdout, dict)
|
|
|
|
if __name__ == '__main__':
|
|
test()
|