core.py 文件源码

def is_simple_assign(expr):
    if not isinstance(expr, Assign):
        return False

    assignable  = [Variable, IndexedVariable, IndexedElement]
    assignable += [sp_Integer, sp_Float]
    assignable = tuple(assignable)
    if isinstance(expr.rhs, assignable):
        return True
    else:
        return False