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I'm not going to pretend it is graceful... but is there a situation
where _" isn't correct?

$ cat setup.py
#!/usr/bin/env python

from distutils.core import setup as _setup
import os

def new_setup(**attrs):
        if "pip" not in os.environ.get("_"):
            raise SystemExit("Please use pip to install")
        else:
            _setup(**attrs)

setup = new_setup

setup(name='foobar',
      version='1.0',
      description='Foobar',
     )


--
Kind Regards,
Dave Walker


On 25 April 2015 at 15:27, Monty Taylor <mordred at inaugust.com> wrote:
> On 04/25/2015 09:49 AM, Jeremy Stanley wrote:
>> On 2015-04-25 12:12:15 +1200 (+1200), Robert Collins wrote:
>> [...]
>>> I'd like to make that a little more official:
>>>  - put it in our docs
>>>  - stop testing python setup.py install.
>> [...]
>>
>> And emit a clear error message? (Even if that just means updating the
>> setup.py boilerplate in the cookiecutter repo and encouraging
>> projects to adopt the function.)
>>
>
> Unfortunately there is no way to detect that you're being run via
> setup.py install instead of pip. What will happen though is that
> easy_install will get triggered  instead of egg_info/pip install ... so
> we _could_ just do something to try to emit a warning around one of the
> easy_install classes ...
>
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