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alpar (Alpar Juttner)
alpar@cs.elte.hu
chg-len.py uses the Mercurial API directly This makes chg-len.py much faster.
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1 file changed with 16 insertions and 27 deletions:
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#! /usr/bin/env python
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import sys
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import os
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from mercurial import ui, hg
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if len(sys.argv)>1 and sys.argv[1] in ["-h","--help"]:
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    print """
... ...
@@ -9,32 +10,20 @@
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in the revision graph from revison 0 to the current one.
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"""
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    exit(0)
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plist = os.popen("HGRCPATH='' hg parents --template='{rev}\n'").readlines()
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if len(plist)>1:
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    print "You are in the process of merging"
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    exit(1)
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PAR = int(plist[0])
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f = os.popen("HGRCPATH='' hg log -r 0:tip --template='{rev} {parents}\n'").\
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    readlines()
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REV = -1
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lengths=[]
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for l in f:
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    REV+=1
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    s = l.split()
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    rev = int(s[0])
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    if REV != rev:
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        print "Something is seriously wrong"
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        exit(1)
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    if len(s) == 1:
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        par1 = par2 = rev - 1
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    elif len(s) == 2:
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        par1 = par2 = int(s[1].split(":")[0])
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u = ui.ui()
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r = hg.repository(u, ".")
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N = r.changectx(".").rev()
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lengths=[0]*(N+1)
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for i in range(N+1):
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    p=r.changectx(i).parents()
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    if p[0]:
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        p0=lengths[p[0].rev()]
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    else:
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        par1 = int(s[1].split(":")[0])
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        par2 = int(s[2].split(":")[0])
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    if rev == 0:
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        lengths.append(0)
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        p0=-1
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    if len(p)>1 and p[1]:
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        p1=lengths[p[1].rev()]
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    else:
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        lengths.append(max(lengths[par1],lengths[par2])+1)
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print lengths[PAR]
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        p1=-1
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    lengths[i]=max(p0,p1)+1
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print lengths[N]
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