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#!/usr/bin/env python
##
## @file translateMath.py
## @brief Translates infix formulas into MathML and vice-versa
## @author Sarah Keating
## @author Ben Bornstein
##
##
## <!--------------------------------------------------------------------------
## This sample program is distributed under a different license than the rest
## of libSBML. This program uses the open-source MIT license, as follows:
##
## Copyright (c) 2013-2014 by the California Institute of Technology
## (California, USA), the European Bioinformatics Institute (EMBL-EBI, UK)
## and the University of Heidelberg (Germany), with support from the National
## Institutes of Health (USA) under grant R01GM070923. All rights reserved.
##
## Permission is hereby granted, free of charge, to any person obtaining a
## copy of this software and associated documentation files (the "Software"),
## to deal in the Software without restriction, including without limitation
## the rights to use, copy, modify, merge, publish, distribute, sublicense,
## and/or sell copies of the Software, and to permit persons to whom the
## Software is furnished to do so, subject to the following conditions:
##
## The above copyright notice and this permission notice shall be included in
## all copies or substantial portions of the Software.
##
## THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
## IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
## FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
## THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
## LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
## FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
## DEALINGS IN THE SOFTWARE.
##
## Neither the name of the California Institute of Technology (Caltech), nor
## of the European Bioinformatics Institute (EMBL-EBI), nor of the University
## of Heidelberg, nor the names of any contributors, may be used to endorse
## or promote products derived from this software without specific prior
## written permission.
## ------------------------------------------------------------------------ -->
##
import sys
import time
import os
import os.path
from libsbml import *
#
#Translates the given infix formula into MathML.
#
#@return the MathML as a string. The caller owns the memory and is
#responsible for freeing it.
#
def translateInfix(formula):
math = parseFormula(formula);
return writeMathMLToString(math);
#
# Translates the given MathML into an infix formula. The MathML must
# contain no leading whitespace, but an XML header is optional.
#
# @return the infix formula as a string. The caller owns the memory and
# is responsible for freeing it.
#
def translateMathML(xml):
math = readMathMLFromString(xml);
return formulaToString(math);
def main (args):
"""Usage: readSBML filename
"""
print("This program translates infix formulas into MathML and");
print("vice-versa. Enter or return on an empty line triggers");
print("translation. Ctrl-C quits");
sb = ""
try:
while True:
print("Enter infix formula or MathML expression (Ctrl-C to quit):");
print "> ",
line = sys.stdin.readline()
while line != None:
trimmed = line.strip();
length = len(trimmed);
if (length > 0):
sb = sb + trimmed;
else:
str = sb;
result = ""
if (str[0] == '<'):
result = translateMathML(str)
else:
result = translateInfix(str)
print("Result:\n\n" + result + "\n\n");
sb = "";
break;
line = sys.stdin.readline()
except:
return 0;
return 0;
if __name__ == '__main__':
main(sys.argv)
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