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     ™ˆÑÙƒß¾× é    ™#! /usr/bin/env python
""" Command line interface to difflib.py providing diffs in four formats:

* ndiff:    lists every line and highlights interline changes.
* context:  highlights clusters of changes in a before/after format.
* unified:  highlights clusters of changes in an inline format.
* html:     generates side by side comparison with change highlights.

"""

import sys, os, time, difflib, optparse

def main():

    usage = "usage: %prog [options] fromfile tofile"
    parser = optparse.OptionParser(usage)
    parser.add_option("-c", action="store_true", default=False, help='Produce a context format diff (default)')
    parser.add_option("-u", action="store_true", default=False, help='Produce a unified format diff')
    parser.add_option("-m", action="store_true", default=False, help='Produce HTML side by side diff (can use -c and -l in conjunction)')
    parser.add_option("-n", action="store_true", default=False, help='Produce a ndiff format diff')
    parser.add_option("-l", "--lines", type="int", default=3, help='Set number of context lines (default 3)')
    (options, args) = parser.parse_args()

    if len(args) == 0:
        parser.print_help()
        sys.exit(1)
    if len(args) != 2:
        parser.error("need to specify both a fromfile and tofile")

    n = options.lines
    fromfile, tofile = args

    fromdate = time.ctime(os.stat(fromfile).st_mtime)
    todate = time.ctime(os.stat(tofile).st_mtime)
    fromlines = open(fromfile, 'U').readlines()
    tolines = open(tofile, 'U').readlines()

    if options.u:
        diff = difflib.unified_diff(fromlines, tolines, fromfile, tofile, fromdate, todate, n=n)
    elif options.n:
        diff = difflib.ndiff(fromlines, tolines)
    elif options.m:
        diff = difflib.HtmlDiff().make_file(fromlines,tolines,fromfile,tofile,context=options.c,numlines=n)
    else:
        diff = difflib.context_diff(fromlines, tolines, fromfile, tofile, fromdate, todate, n=n)

    sys.stdout.writelines(diff)

if __name__ == '__main__':
    main()
     ›ˆ¿Ùƒh¹¾×      ›2048
     ˆÔÙƒi‘?Õ¾× é    #ifndef Py_PYTHON_H
#define Py_PYTHON_H
/* Since this is a "meta-include" file, no #ifdef __cplusplus / extern "C" { */

/* Include nearly all Python header files */

#include "patchlevel.h"
#include "pyconfig.h"
#include "pymacconfig.h"

/* Cyclic gc is always enabled, starting with release 2.3a1.  Supply the
 * old symbol for the benefit of extension modules written before then
 * that may be conditionalizing on it.  The core doesn't use it anymore.
 */
#ifndef WITH_CYCLE_GC
#define WITH_CYCLE_GC 1
#endif

#include <limits.h>

#ifndef UCHAR_MAX
#error "Something's broken.  UCHAR_MAX should be defined in limits.h."
#endif

#if UCHAR_MAX != 255
#error "Python's source code assumes C's unsigned char is an 8-bit type."
#endif

#if defined(__sgi) && defined(WITH_THREAD) && !defined(_SGI_MP_SOURCE)
#define _SGI_MP_SOURCE
#endif

#include <stdio.h>
#ifndef NULL
#   error "Python.h requires that stdio.h define NULL."
#endif

#include <string.h>
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

/* For size_t? */
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif

/* CAUTION:  Build setups should ensure that NDEBUG is defined on the
 * compiler command line when building Python in release mode; else
 * assert() calls won't be removed.
 */
#include <assert.h>

#include "pyport.h"

/* pyconfig.h or pyport.h may or may not define DL_IMPORT */
#ifndef DL_IMPORT	/* declarations for DLL import/export */
#define DL_IMPORT(RTYPE) RTYPE
#endif
#ifndef DL_EXPORT	/* declarations for DLL import/export */
#define DL_EXPORT(RTYPE) RTYPE
#endif

/* Debug-mode build with pymalloc implies PYMALLOC_DEBUG.
 *  PYMALLOC_DEBUG is in error if pymalloc is not in use.
 */
#if defined(Py_DEBUG) && defined(WITH_PYMALLOC) && !defined(PYMALLOC_DEBUG)
#define PYMALLOC_DEBUG
#endif
#if defined(PYMALLOC_DEBUG) && !defined(WITH_PYMALLOC)
#error "PYMALLOC_DEBUG requires WITH_PYMALLOC"
#endif
#include "pymath.h"
#include