special.py 文件源码

def Call_new(t, x):
    """Translate ``Foo(...)`` to ``new Foo(...)`` if function name starts
    with a capital letter.
    """
    def getNameString(x):
        if isinstance(x, ast.Name):
            return x.id
        elif isinstance(x, ast.Attribute):
            return str(x.attr)
        elif isinstance(x, ast.Subscript):
            if isinstance(x.slice, ast.Index):
                return str(x.slice.value)

    NAME_STRING = getNameString(x.func)

    if (NAME_STRING and re.search(r'^[A-Z]', NAME_STRING)):
        # TODO: generalize args mangling and apply here
        # assert not any([x.keywords, x.starargs, x.kwargs])
        subj = x
    elif isinstance(x.func, ast.Name) and x.func.id == 'new':
        subj = x.args[0]
    else:
        subj = None
    if subj:
        return Call_default(t, subj, operator='new ')