0xbe7a

Proposal: Introduction of Feature Sets

Objective

The aim is to introduce a feature set mechanism in the pixi package manager. This mechanism will enable clear, conflict-free management of dependencies tailored to specific environments, while also maintaining the integrity of fixed lockfiles.

Motivating Example: Test Dependencies and Multiple Python Versions

Consider a scenario where a project needs to be tested across multiple Python versions, each requiring a different set of dependencies. In this case, defining separate feature sets for each Python version (like py39, py310, etc.) allows for easy switching between environments without conflicts. Similarly, for development purposes, a test feature set can include dependencies necessary for testing and linting, which are not required in the production environment.

Design Considerations

1. Non-Combinatorial: To ensure the dependency resolution process remains manageable, the solution should avoid a combinatorial explosion of dependen

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#cloud-config

apt_update: true

packages:
  - wget
  - curl
  - bzip2
  - git

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extern crate regex;

use regex::Regex;

fn main() {
  let r = match Regex::new(&regex::escape(r"\/[a-z]{3}\/[0-9]{4}")) {
    Ok(r) => r,
    Err(e) => {
      println!("Could not compile regex: {}", e);
      return;

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Keybase proof

I hereby claim:

• I am 0xbe7a on github.
• I am bela (https://keybase.io/bela) on keybase.
• I have a public key whose fingerprint is 2536 9E86 1AA5 9EB7 4C47 B138 6510 870A 77F4 9A99

To claim this, I am signing this object:

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/**
 * Created by bela on 17.06.16.
 */
module.exports.cookie = "your cookie hear. You can find it at any XHR Request under Cookie: "Whatever""

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var Twit = require('twit')
var config = require('./config')
var later = require('later');


var msgs = ["Miss You Fox",
    "Rly miss you fox <3",
    "Miss ya <3",
    "Miss you"
]