sbmlmath 0.0.3

SBML Math <-> SymPy

sbmlmath - a Python library for handling SBML MathML

This is Python library for interconverting SymPy expressions and SBML MathML. SBML uses a subset of MathML that this library tries to support. This is not (intended to be) a general MathML parser.

Main functionality:

• sympy -> SBML MathML
• SBML MathML -> sympy
  • in particular for cases where sympy.sympify(libsbml.formulaToL3String(...)) won't do the job
  • retaining unit annotations and other <ci> attributes

NOTE: This is under development and the API is to be considered unstable

Python support policy: sbmlmath follows NEP 29.

Usage

from sbmlmath import SBMLMathMLPrinter, SBMLMathMLParser
import sympy as sp

sympy_expr = sp.sympify("A ** B + exp(C) * D")
mathml = SBMLMathMLPrinter().doprint(sympy_expr)
print(mathml)

cycled_sympy = SBMLMathMLParser().parse_str(mathml)
print(cycled_sympy)
assert sympy_expr == cycled_sympy