<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Thu, May 5, 2016 at 2:47 AM, Nathaniel Smith <span dir="ltr"><<a href="mailto:njs@pobox.com" target="_blank">njs@pobox.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">> When you introduce isolation, the build will only have the standard<br>
> library + whatever is declared as a dep: and pyqt5 has no source on<br>
> PyPI.<br></span></blockquote><div><br></div><div>so build isolation isolates you from arbitrary system libs? now you NEED to ship all your non-trivial dependent libs. which I guess is the point, but again, we're re-implementing conda here.</div><div><br></div><div>And the only time where it makes sense to force this build requirement is when you are building binary wheels to put up on PyPi. So maybe part of bdist_wheel??</div><div><br></div><div>OH -- and you need to make sure there is an isolated test environment too -- which is a bit of pain, particularly when the tests aren't installed as part of the package.</div><div><br></div><div>And, of course this means a version of virtualenv that isolates you from system libs -- that might be quite hard to do, actually.</div><div><br></div><div>and again, conda :-)</div><div><br></div><div>-CHB</div><div><br></div><div><br></div><div> </div><div> </div></div><div><br></div>-- <br><div class="gmail_signature"><br>Christopher Barker, Ph.D.<br>Oceanographer<br><br>Emergency Response Division<br>NOAA/NOS/OR&R (206) 526-6959 voice<br>7600 Sand Point Way NE (206) 526-6329 fax<br>Seattle, WA 98115 (206) 526-6317 main reception<br><br><a href="mailto:Chris.Barker@noaa.gov" target="_blank">Chris.Barker@noaa.gov</a></div>
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