mathml.py 文件源码

def print_mathml(expr, **settings):
    """
    Prints a pretty representation of the MathML code for expr

    Examples
    ========

    >>> ##
    >>> from sympy.printing.mathml import print_mathml
    >>> from sympy.abc import x
    >>> print_mathml(x+1) #doctest: +NORMALIZE_WHITESPACE
    <apply>
        <plus/>
        <ci>x</ci>
        <cn>1</cn>
    </apply>

    """
    s = MathMLPrinter(settings)
    xml = s._print(sympify(expr))
    s.apply_patch()
    pretty_xml = xml.toprettyxml()
    s.restore_patch()

    print(pretty_xml)