scripts/chg-len.py
changeset 784 1a7fe3bef514
parent 422 62c1ed05e83f
     1.1 --- a/scripts/chg-len.py	Fri Oct 16 10:21:37 2009 +0200
     1.2 +++ b/scripts/chg-len.py	Thu Nov 05 15:50:01 2009 +0100
     1.3 @@ -1,7 +1,25 @@
     1.4  #! /usr/bin/env python
     1.5 +#
     1.6 +# This file is a part of LEMON, a generic C++ optimization library.
     1.7 +#
     1.8 +# Copyright (C) 2003-2009
     1.9 +# Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
    1.10 +# (Egervary Research Group on Combinatorial Optimization, EGRES).
    1.11 +#
    1.12 +# Permission to use, modify and distribute this software is granted
    1.13 +# provided that this copyright notice appears in all copies. For
    1.14 +# precise terms see the accompanying LICENSE file.
    1.15 +#
    1.16 +# This software is provided "AS IS" with no warranty of any kind,
    1.17 +# express or implied, and with no claim as to its suitability for any
    1.18 +# purpose.
    1.19  
    1.20  import sys
    1.21 -import os
    1.22 +
    1.23 +from mercurial import ui, hg
    1.24 +from mercurial import util
    1.25 +
    1.26 +util.rcpath = lambda : []
    1.27  
    1.28  if len(sys.argv)>1 and sys.argv[1] in ["-h","--help"]:
    1.29      print """
    1.30 @@ -9,32 +27,20 @@
    1.31  in the revision graph from revison 0 to the current one.
    1.32  """
    1.33      exit(0)
    1.34 -plist = os.popen("HGRCPATH='' hg parents --template='{rev}\n'").readlines()
    1.35 -if len(plist)>1:
    1.36 -    print "You are in the process of merging"
    1.37 -    exit(1)
    1.38 -PAR = int(plist[0])
    1.39  
    1.40 -f = os.popen("HGRCPATH='' hg log -r 0:tip --template='{rev} {parents}\n'").\
    1.41 -    readlines()
    1.42 -REV = -1
    1.43 -lengths=[]
    1.44 -for l in f:
    1.45 -    REV+=1
    1.46 -    s = l.split()
    1.47 -    rev = int(s[0])
    1.48 -    if REV != rev:
    1.49 -        print "Something is seriously wrong"
    1.50 -        exit(1)
    1.51 -    if len(s) == 1:
    1.52 -        par1 = par2 = rev - 1
    1.53 -    elif len(s) == 2:
    1.54 -        par1 = par2 = int(s[1].split(":")[0])
    1.55 +u = ui.ui()
    1.56 +r = hg.repository(u, ".")
    1.57 +N = r.changectx(".").rev()
    1.58 +lengths=[0]*(N+1)
    1.59 +for i in range(N+1):
    1.60 +    p=r.changectx(i).parents()
    1.61 +    if p[0]:
    1.62 +        p0=lengths[p[0].rev()]
    1.63      else:
    1.64 -        par1 = int(s[1].split(":")[0])
    1.65 -        par2 = int(s[2].split(":")[0])
    1.66 -    if rev == 0:
    1.67 -        lengths.append(0)
    1.68 +        p0=-1
    1.69 +    if len(p)>1 and p[1]:
    1.70 +        p1=lengths[p[1].rev()]
    1.71      else:
    1.72 -        lengths.append(max(lengths[par1],lengths[par2])+1)
    1.73 -print lengths[PAR]
    1.74 +        p1=-1
    1.75 +    lengths[i]=max(p0,p1)+1
    1.76 +print lengths[N]