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Re: "from module import data; print(data)" vs "import module; print(module.data)"

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On 02/24/2016 07:39 PM, Steven D'Aprano wrote:

> (2) import module
>
> (a) Mutation is no different from (1)(a) above. No change.
>
> (b) Rebinding `module.data = []` affects the imported module, and therefore
> everything that relies on it.

More accurate: and therefore everything that has not already done a 
`from module import data` as those will be unaffected by the rebinding.

--
~Ethan~

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"from module import data; print(data)" vs "import module; print(module.data)" Dan Stromberg <drsalists@gmail.com> - 2016-02-24 17:07 -0800
  Re: "from module import data; print(data)" vs "import module; print(module.data)" Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-02-25 14:39 +1100
    Re: "from module import data; print(data)" vs "import module; print(module.data)" Dan Stromberg <drsalists@gmail.com> - 2016-02-25 08:15 -0800
    Re: "from module import data; print(data)" vs "import module; print(module.data)" Dan Stromberg <drsalists@gmail.com> - 2016-02-25 08:20 -0800
    Re: "from module import data; print(data)" vs "import module; print(module.data)" Ethan Furman <ethan@stoneleaf.us> - 2016-02-25 08:35 -0800
    Re: "from module import data; print(data)" vs "import module; print(module.data)" Ethan Furman <ethan@stoneleaf.us> - 2016-02-25 08:51 -0800
  Re: "from module import data; print(data)" vs "import module; print(module.data)" sohcahtoa82@gmail.com - 2016-02-25 12:00 -0800
    Re: "from module import data; print(data)" vs "import module; print(module.data)" Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-02-26 11:20 +1300
      Re: "from module import data; print(data)" vs "import module; print(module.data)" Ben Finney <ben+python@benfinney.id.au> - 2016-02-26 10:38 +1100
        Re: "from module import data; print(data)" vs "import module; print(module.data)" Steven D'Aprano <steve@pearwood.info> - 2016-02-26 11:40 +1100
          Re: "from module import data; print(data)" vs "import module; print(module.data)" Ian Kelly <ian.g.kelly@gmail.com> - 2016-02-25 20:56 -0700
          Re: "from module import data; print(data)" vs "import module; print(module.data)" Chris Angelico <rosuav@gmail.com> - 2016-02-26 15:11 +1100
          Re: "from module import data; print(data)" vs "import module; print(module.data)" Ben Finney <ben+python@benfinney.id.au> - 2016-02-26 15:37 +1100

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