Specifying semver-like version ranges on environment.yml

[Pedro Santa]

Hello,

I haven't been using Python and hadn't had contact with the eco system for some years now—last years I've been mostly on Node, JS Front-end, PHP and WP eco systems.

I want to pin a version on my environment.yml file but in a way that, considering semantic versioning, updates patch and minors, but doesn't update major version—similar to what I would accomplish with a caret range on NodeJS/npm package.json, as such: https://github.com/npm/node-semver#caret-ranges-123-025-004

I know we can use wildcard on environment.yml, but it's not working as such. How can I achieve the same as a Node/npm caret like range on the dependencies?

Cheers, all the best.

Pedro Machado Santa

[Chris Barker]

Not sure what npm does, but is this what you want?

package<4

or

package<4.2

or

package>3,<4

(I'm not totally sure about the last one's syntax, but you can certainly do this kind of thing one way or another.

- CHB

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[Shaun Walbridge]

The package specifications should be of help:

https://docs.conda.io/projects/conda/en/latest/user-guide/concepts/pkg-specs.html#id5

You can achieve the desired contstraint a few ways, with the requirements more aligned with PEP 440 and Python versioning.

Cheers,

Shaun

To view this discussion on the web visit https://groups.google.com/a/anaconda.com/d/msgid/conda/CALGmxEJhwLNfXWkeGy72Va9RoWmiOfLf%3DwfpAFnbn_ENMz7Suw%40mail.gmail.com.

[Chris Barker]

On Sat, Dec 4, 2021 at 11:41 AM Shaun Walbridge <shaun.w...@gmail.com> wrote:

The package specifications should be of help:

https://docs.conda.io/projects/conda/en/latest/user-guide/concepts/pkg-specs.html#id5

Thanks -- somehow I never found that in the past. And here's the direct link to the relevant section:

https://docs.conda.io/projects/conda/en/latest/user-guide/concepts/pkg-specs.html#package-match-specifications

-CHB

[Pedro Santa]

Thanks for the link Shaun, exactly what I was looking for.

Cheers.

Pedro MS