diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/python-2.6.1/Tools/freeze/makefreeze.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/python-2.6.1/Tools/freeze/makefreeze.py Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,90 @@ +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 = dict.keys() + mods.sort() + 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 prozen 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_. + +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 str[i:i+16]: + outfp.write('%d,' % ord(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('"')))))