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#!/usr/bin/env python
#
# USAGE: blame.py [-r REV] repos-path file
#
import sys
import os
import getopt
try:
my_getopt = getopt.gnu_getopt
except AttributeError:
my_getopt = getopt.getopt
import difflib
from svn import fs, core, repos
CHUNK_SIZE = 100000
def blame(path, filename, rev=None):
annotresult = {}
path = core.svn_path_canonicalize(path)
repos_ptr = repos.open(path)
fsob = repos.fs(repos_ptr)
if rev is None:
rev = fs.youngest_rev(fsob)
filedata = ''
for i in xrange(0, rev+1):
root = fs.revision_root(fsob, i)
if fs.check_path(root, filename) != core.svn_node_none:
first = i
break
print "First revision is %d" % first
print "Last revision is %d" % rev
for i in xrange(first, rev+1):
previousroot = root
root = fs.revision_root(fsob, i)
if i != first:
if not fs.contents_changed(root, filename, previousroot, filename):
continue
file = fs.file_contents(root, filename)
previousdata = filedata
filedata = ''
while 1:
data = core.svn_stream_read(file, CHUNK_SIZE)
if not data:
break
filedata = filedata + data
print "Current revision is %d" % i
diffresult = difflib.ndiff(previousdata.splitlines(1),
filedata.splitlines(1))
# print ''.join(diffresult)
k = 0
for j in diffresult:
if j[0] == ' ':
if annotresult.has_key (k):
k = k + 1
continue
else:
annotresult[k] = (i, j[2:])
k = k + 1
continue
elif j[0] == '?':
continue
annotresult[k] = (i, j[2:])
if j[0] != '-':
k = k + 1
# print ''.join(diffresult)
# print annotresult
for x in xrange(len(annotresult.keys())):
sys.stdout.write("Line %d (rev %d):%s" % (x,
annotresult[x][0],
annotresult[x][1]))
def usage():
print "USAGE: blame.py [-r REV] repos-path file"
sys.exit(1)
def main():
opts, args = getopt.getopt(sys.argv[1:], 'r:')
if len(args) != 2:
usage()
rev = None
for name, value in opts:
if name == '-r':
rev = int(value)
blame(args[0], args[1], rev)
if __name__ == '__main__':
main()
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