4710c53dca
These files are a subset of the python-2.7.2.tgz distribution from python.org. Changed files from PyMod-2.7.2 have been copied into the corresponding directories of this tree, replacing the original files in the distribution. Signed-off-by: daryl.mcdaniel@intel.com git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13197 6f19259b-4bc3-4df7-8a09-765794883524
91 lines
2.7 KiB
Python
91 lines
2.7 KiB
Python
import marshal
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import bkfile
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# Write a file containing frozen code for the modules in the dictionary.
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header = """
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#include "Python.h"
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static struct _frozen _PyImport_FrozenModules[] = {
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"""
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trailer = """\
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{0, 0, 0} /* sentinel */
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};
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"""
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# if __debug__ == 0 (i.e. -O option given), set Py_OptimizeFlag in frozen app.
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default_entry_point = """
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int
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main(int argc, char **argv)
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{
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extern int Py_FrozenMain(int, char **);
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""" + ((not __debug__ and """
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Py_OptimizeFlag++;
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""") or "") + """
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PyImport_FrozenModules = _PyImport_FrozenModules;
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return Py_FrozenMain(argc, argv);
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}
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"""
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def makefreeze(base, dict, debug=0, entry_point=None, fail_import=()):
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if entry_point is None: entry_point = default_entry_point
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done = []
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files = []
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mods = dict.keys()
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mods.sort()
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for mod in mods:
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m = dict[mod]
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mangled = "__".join(mod.split("."))
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if m.__code__:
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file = 'M_' + mangled + '.c'
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outfp = bkfile.open(base + file, 'w')
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files.append(file)
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if debug:
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print "freezing", mod, "..."
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str = marshal.dumps(m.__code__)
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size = len(str)
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if m.__path__:
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# Indicate package by negative size
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size = -size
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done.append((mod, mangled, size))
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writecode(outfp, mangled, str)
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outfp.close()
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if debug:
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print "generating table of frozen modules"
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outfp = bkfile.open(base + 'frozen.c', 'w')
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for mod, mangled, size in done:
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outfp.write('extern unsigned char M_%s[];\n' % mangled)
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outfp.write(header)
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for mod, mangled, size in done:
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outfp.write('\t{"%s", M_%s, %d},\n' % (mod, mangled, size))
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outfp.write('\n')
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# The following modules have a NULL code pointer, indicating
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# that the prozen program should not search for them on the host
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# system. Importing them will *always* raise an ImportError.
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# The zero value size is never used.
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for mod in fail_import:
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outfp.write('\t{"%s", NULL, 0},\n' % (mod,))
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outfp.write(trailer)
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outfp.write(entry_point)
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outfp.close()
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return files
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# Write a C initializer for a module containing the frozen python code.
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# The array is called M_<mod>.
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def writecode(outfp, mod, str):
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outfp.write('unsigned char M_%s[] = {' % mod)
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for i in range(0, len(str), 16):
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outfp.write('\n\t')
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for c in str[i:i+16]:
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outfp.write('%d,' % ord(c))
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outfp.write('\n};\n')
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## def writecode(outfp, mod, str):
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## outfp.write('unsigned char M_%s[%d] = "%s";\n' % (mod, len(str),
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## '\\"'.join(map(lambda s: repr(s)[1:-1], str.split('"')))))
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