The things you get from pip download should be order independent. It won’t include build dependencies though.
> On Jul 23, 2018, at 5:48 AM, Thomas Kluyver <tho...@kluyver.me.uk> wrote: > > Hi all, > > Do we know of any tool that can, given the name of one or more packages, > follow dependency chains and produce a list of packages in the order they > need to be installed, assuming every package needed will be built from source? > > Running "pip download --no-binary :all: ipython" gets me a set of sdists to > be installed, but I lose any information about the order. I assume some > packages will fail to build if their dependencies are not installed first, so > the order is significant. > > Pip appears to keep track of the ordering internally: if I run "pip install > --no-binary :all: ipython", all the dependencies are downloaded, and then the > collected packages are installed starting from those with no dependencies and > finishing with the package I requested. But I don't know of any way to get > this information out of pip. Is there an option that I'm overlooking? Or some > other tool that can do this? > > The use case I'm thinking about is to automatically generate instructions for > a build system which separates the downloading and installing steps, so for > each step it expects one or more URLs to download, along with instructions > for how to install that piece. The installation steps shouldn't download > further data. I could work around the issue by telling it to download all the > sdists in a single step and then install in one shot with --no-index and > --find-links. But it's more elegant - and better for caching - if we can > install each package as a single step. > > Thanks, > Thomas > -- > Distutils-SIG mailing list -- distutils-sig@python.org > To unsubscribe send an email to distutils-sig-le...@python.org > https://mail.python.org/mm3/mailman3/lists/distutils-sig.python.org/ > Message archived at > https://mail.python.org/mm3/archives/list/distutils-sig@python.org/message/LGTH3IYBMVKBS4PYGFJ6A7N5GW5ZKFUY/ -- Distutils-SIG mailing list -- distutils-sig@python.org To unsubscribe send an email to distutils-sig-le...@python.org https://mail.python.org/mm3/mailman3/lists/distutils-sig.python.org/ Message archived at https://mail.python.org/mm3/archives/list/distutils-sig@python.org/message/FSPNQDWKZW4FBIWYJECW67PMCJFCE4NH/
