Paul Moore

> To my knowledge, there is no other way than using an egg fragment to specify an extra Just to clarify, extras are allowed in (URL specifiers)[https://packaging.python.org/en/latest/specifications/dependency-specifiers/]: ``` url_req =...

For some context here, I'd point out #2754, #4857 and #5557. The history of additional VCS plugins is not very encouraging here - it's very difficult to justify supporting additional...

We still need some indication as to how we're supposed to implement the required method. From a brief look at the documentation, it seems that it would be quite a...

> I'm unaware of the internals of pip so am unsure why these Distribution objects exist or what users expect from them. But isn't the point here that the stdlib...

I'm very confused here. This issue talks about creating `Version` objects, which was reported to `packaging` but they rejected the proposed fix. But @notatallshaw is talking about the `path_to_url` function,...

You'd need to take that up with Anaconda. Pip doesn't support Python 2.7 any more.

Another approach which *might* have helped here (and might be of use to others hitting similar issues) is to use `--only-binary :all:`. This will stop pip from using anything but...

I still don't see the logic here. A constraint of `app-a` says "if you ask for `app-a` to be installed, it must satisfy the constraint `app-a`". Or to put it...

I fail to see why. Having `app-a` in the constraints file won't result in `app-a` being installed - constraints are solely to restrict the list of versions visible to the...

+1 for at least updating the error message to suggest manually upgrading pkginfo.