author | Matt Mackall <mpm@selenic.com> |
Mon, 12 May 2008 11:37:08 -0500 | |
changeset 6591 | eda3fd322a7f |
parent 5081 | ea7b982b6c08 |
child 8527 | f9a80054dd3c |
permissions | -rwxr-xr-x |
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#!/usr/bin/env python |
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import os, sys, struct, stat |
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import difflib |
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import re |
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from optparse import OptionParser |
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from mercurial.bdiff import bdiff, blocks |
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from mercurial.mdiff import bunidiff, diffopts |
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VERSION="0.3" |
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usage = "usage: %prog [options] file1 file2" |
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parser = OptionParser(usage=usage) |
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parser.add_option("-d", "--difflib", action="store_true", default=False) |
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parser.add_option('-x', '--count', default=1) |
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parser.add_option('-c', '--context', type="int", default=3) |
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parser.add_option('-p', '--show-c-function', action="store_true", default=False) |
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parser.add_option('-w', '--ignore-all-space', action="store_true", |
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default=False) |
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(options, args) = parser.parse_args() |
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if not args: |
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parser.print_help() |
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sys.exit(1) |
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# simple utility function to put all the |
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# files from a directory tree into a dict |
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def buildlist(names, top): |
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tlen = len(top) |
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for root, dirs, files in os.walk(top): |
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l = root[tlen + 1:] |
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for x in files: |
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p = os.path.join(root, x) |
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st = os.lstat(p) |
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if stat.S_ISREG(st.st_mode): |
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names[os.path.join(l, x)] = (st.st_dev, st.st_ino) |
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def diff_files(file1, file2): |
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if file1 == None: |
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b = file(file2).read().splitlines(1) |
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l1 = "--- %s\n" % (file2) |
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l2 = "+++ %s\n" % (file2) |
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l3 = "@@ -0,0 +1,%d @@\n" % len(b) |
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l = [l1, l2, l3] + ["+" + e for e in b] |
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elif file2 == None: |
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a = file(file1).read().splitlines(1) |
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l1 = "--- %s\n" % (file1) |
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l2 = "+++ %s\n" % (file1) |
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l3 = "@@ -1,%d +0,0 @@\n" % len(a) |
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l = [l1, l2, l3] + ["-" + e for e in a] |
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else: |
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t1 = file(file1).read() |
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t2 = file(file2).read() |
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l1 = t1.splitlines(1) |
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l2 = t2.splitlines(1) |
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if options.difflib: |
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l = difflib.unified_diff(l1, l2, file1, file2) |
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else: |
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l = bunidiff(t1, t2, l1, l2, file1, file2, |
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diffopts(context=options.context, |
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showfunc=options.show_c_function, |
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ignorews=options.ignore_all_space)) |
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for x in l: |
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if x[-1] != '\n': |
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x += "\n\ No newline at end of file\n" |
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print x, |
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file1 = args[0] |
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file2 = args[1] |
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if os.path.isfile(file1) and os.path.isfile(file2): |
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diff_files(file1, file2) |
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elif os.path.isdir(file1): |
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if not os.path.isdir(file2): |
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sys.stderr.write("file types don't match\n") |
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sys.exit(1) |
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d1 = {} |
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d2 = {} |
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buildlist(d1, file1) |
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buildlist(d2, file2) |
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keys = d1.keys() |
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keys.sort() |
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for x in keys: |
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if x not in d2: |
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f2 = None |
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else: |
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f2 = os.path.join(file2, x) |
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st1 = d1[x] |
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st2 = d2[x] |
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del d2[x] |
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if st1[0] == st2[0] and st1[1] == st2[1]: |
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sys.stderr.write("%s is a hard link\n" % x) |
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continue |
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x = os.path.join(file1, x) |
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diff_files(x, f2) |
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keys = d2.keys() |
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keys.sort() |
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for x in keys: |
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f1 = None |
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x = os.path.join(file2, x) |
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diff_files(f1, x) |
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