On Nov 8, 2017, at 08:24, Kurt Hindenburg wrote:

> On Jun 25, 2017, at 1:52 AM, Joshua Root wrote:
> 
>> On 2017-6-25 12:27 , Ryan Schmidt wrote:
>>> We often have this problem that we forget to specify dependencies in a 
>>> python port. Python (setuptools?) helpfully automatically downloads a 
>>> temporary copy of the dependency to use, so we may not notice this until 
>>> committing the port, at which point if we're looking at the buildbot logs 
>>> we might notice that it fails to build on older OS versions because of SSL 
>>> problems.
>>> Here's an example:
>>> https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/37372
>>> Is there a way we can tell python in the python portgroup that it should 
>>> not attempt to automatically download dependencies, so that we would 
>>> discover these problems earlier?
>> 
>> According to the setuptools docs, easy_install at least has a --no-deps 
>> flag, and if that doesn't work, there's a --allow-hosts flag to which you 
>> can pass None to prevent all downloading. Someone would have to test whether 
>> these work when passed to setup.py as well.
>> 
>> - Josh
> 
> i looked at this briefly.  I don’t think it is possible to pass easy_install 
> options through setuptools.  The only way I could get it to work was to 
> either 1) append to ports setup.cfg; 2) append/create system wide 
> distutils.cfg.  Then you’d have to somehow revert upon failure/success.  I 
> don’t see how this would work in practice.
> 
> Kurt
> 
> [easy_install]
> allow_hosts = None

These two lines are what would be appended to either of those files? What 
problems do you foresee if we would have the python portgroup automatically 
append those lines to the port's setup.cfg?



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