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#! /usr/bin/python3
from __future__ import print_function
# file ReplaceValues.py
#
# This file is part of LyX, the document processor.
# Licence details can be found in the file COPYING.
#
# author: Kornel Benko, kornel@lyx.org
#
# Syntax: ReplaceValues.py [<var1>=<Subst1> [<var2>=<Subst> ...]] <Inputfile> [<Inputfile> ...]
import sys
import re
import codecs
Subst = {} # map of desired substitutions
prog = re.compile("")
def createProg():
matchingS = u"\\b|\\b".join(Subst.keys())
pattern = u"".join(["(.*)(\\b", matchingS, "\\b)(.*)"])
return re.compile(pattern)
def SubstituteDataInLine(line):
m = prog.match(line)
if m:
return "".join([SubstituteDataInLine(m.group(1)),
Subst[m.group(2)],
SubstituteDataInLine(m.group(3))])
return line
def SubstituteDataInFile(InFile):
for line in codecs.open(InFile, 'r', 'UTF-8'):
print(SubstituteDataInLine(line[:-1]))
##########################################
# ensure standard output with UTF8 encoding:
if sys.version_info < (3,0):
sys.stdout = codecs.getwriter('UTF-8')(sys.stdout)
else:
sys.stdout = codecs.getwriter('UTF-8')(sys.stdout.buffer)
for arg in sys.argv[1:]: # skip first arg (name of this script)
if sys.version_info < (3,0):
# support non-ASCII characters in arguments
arg = arg.decode(sys.stdin.encoding or 'UTF-8')
entry = arg.split("=", 1)
if len(entry) == 2:
key, val = entry
if len(key) > 0:
Subst[key] = val
else:
prog = createProg()
SubstituteDataInFile(arg)
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