A quick and dirty way would be: $ nix run "(import <nixpkgs> {}).python37.withPa... | Hacker News

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soraminazuki on Nov 12, 2019 | parent | context | favorite | on: My Python Development Environment, 2020 Edition

A quick and dirty way would be:

$ nix run "(import <nixpkgs> {}).python37.withPackages([ pandas statsmodels ])"

This would drop you into a shell with Python 3.7, pandas, and statsmodels installed.

For more complex use cases, you should specify your dependencies in a shell.nix file or write your own nix package.

whateveracct on Nov 13, 2019 [–]

And then to expand, if you wish to pin one of those packages to a specific rev, the easiest way is to create an "overlay" (it's a Nix design pattern) that you apply to nixpkgs to override whatever version is in your nixpkgs version.

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