maxima.py 文件源码

def parse_maxima(str, globals=None, name_dict={}):
    str = str.strip()
    str = str.rstrip('; ')

    for k, v in sub_dict.items():
        str = v.sub(k, str)

    assign_var = None
    var_match = var_name.search(str)
    if var_match:
        assign_var = var_match.group(1)
        str = str[var_match.end():].strip()

    dct = MaximaHelpers.__dict__.copy()
    dct.update(name_dict)
    obj = sympify(str, locals=dct)

    if assign_var and globals:
        globals[assign_var] = obj

    return obj