python - Python 中的 attr_reader

Question

attr_reader在 python 中是否有一个“同义词”，就像不需要让我输入的东西一样？:

class Foo():
    def __init__(self, foo, bar, spam, spammity, spam, spam, quux, foobar, barfoo):
        self.foo = foo
        self.bar = bar
        self.spam = spam
        # And so on...

只需一行代码就可以生成 self.foo = foo, etc.，有点像 ruby​​ 的 attr_reader 会生成

@foo = foo

Answer 1

要设置所有内容，请尝试:

class Foo():
  def __init__(self, **kwargs):
    for k,v in kwargs.items():
        setattr(self, k, v)

或者只是一些属性:

class Foo():
  def __init__(self, **kwargs):
    for k in ['foo', 'bar', 'spam']:
        setattr(self, k, kwargs[k])

或者来自(一些)ctor args:

class Foo():
  def __init__(self, foo, bar, spam, bork, kevork):
    for k in ['foo', 'bar']:
        setattr(self, k, locals()[k])

或者全部:

class Foo():
  def __init__(self, foo, bar, spam, bork, kevork):
    args = dict(locals())
    for k, v in (k,v for k,v in args.items() if not k == 'self'):
        setattr(self, k, v)