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#!/usr/bin/env python
# Copyright (c) Michael Sharpe, 2014
# This is free software, subject to the LATEX Project Public License.
import sys
filename=sys.argv[1]
with open(filename,'r') as f:
tmp=f.read().splitlines()
s='\n'.join(tmp)
tmp=s.split("%Repetitions=")
if len(tmp) != 2:
print "Bailing! The file does not contain exactly one '%Repetitions='"
sys.exit()
ss=tmp[1]
tmp2=ss.split('\n')
numrep=int(tmp2[0])
#get variable names
tmp=s.split("%Variables=")
if len(tmp) != 2:
print "Bailing! The file does not contain exactly one '%Variables='"
sys.exit()
ss=tmp[1]
tmp2=ss.split('\n')
vbllst=tmp2[0].strip() #like {nnn,0:1+1,1:3+-2}
vbllst3=vbllst[1:-1]
vbles=vbllst3.split(',') #line {nnn,0:1+1,1:3+-2}
n=len(vbles)
root=vbles[0].strip()
vlst=[]
vinit=[]
vinc=[]
valt=[]
for j in range(1,n):
vbles[j]=vbles[j].strip().replace("+",":")
x=vbles[j].split(":")
if len(x) != 3:
print "Bad variable descriptor-- " + vbles[j]
sys.exit
vlst.append(x[0])
nnn=0
hasp=0
if x[2][-1:] == ")":
hasp=1
nnn=int(x[2][-2])
x[2]=x[2][:-3]
else:
if x[1][0] == "[":
nnn=-100
if x[2][-2:]=="/2":
x[2]=x[2][:-2]
if hasp == 1:
nnn=-nnn
else:
nnn=-10
valt.append(nnn)
if nnn == -100:
vinit.append(x[1][1:])
vinc.append(x[2][:-1])
else:
vinit.append(x[1])
vinc.append(x[2])
viniti=[]
vinci=[]
kk=len(vinit)
for j in range(kk):
try:
viniti.append(int(vinit[j]))
except:
viniti.append(0)
try:
vinci.append(int(vinc[j]))
except:
vinci.append(0)
tmp=s.split('\n')
m=len(tmp)
tmp2=[]
for j in range(2,m):
t=tmp[j]
if len(t) > 1:
t=t[1:]
else:
t=""
tmp2.append(t)
body='\n'.join(tmp2)
repl=[s,]
for p in range(numrep):
newbody=body
for k in range(kk):
v=""
alt=valt[k]
if alt == -100:
if (p % 2) == 1:
v=vinc[k]
else:
v=vinit[k]
else:
v=viniti[k]
if (alt < 0):
v=v//2
alt=-alt
if (alt!=10) and (alt!= 0):
v =str(v).zfill(alt)
else:
v=str(v)
newbody=newbody.replace(root+vlst[k],v)
viniti[k] =int(viniti[k]) + vinci[k]
repl.append(newbody)
with open(filename,'w') as f:
for j in range(len(repl)):
f.write(repl[j]+'\n\n')
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