python-pkgs.nix

{ lib, pythonPackages }:

let
  pkgs = {
    area = { version = "1.1.1"; };
    dask = { version = "1.2.2"; };
    geojson = { version = "2.4.1"; };
    geopy = { version = "1.19.0"; };
    h3 = { version = "3.4.2"; };
    pandas = { version = "0.24.2"; };
    psycopg2 = { version = "2.7.6.1"; };
    pyarrow = { version = "0.12.0"; };
    pytz = { version = "2018.9"; };
    pyyaml = { version = "5.1"; };
    s3fs = { version = "0.2.2"; };
    scikitlearn = { version = "0.20.3"; };
    simple-salesforce = { version = "0.74.2"; };
    snowflake-sqlalchemy = { version = "1.1.4"; };
    sqlalchemy = { version = "1.3.3"; };
    timezonefinder = { version = "4.0.2"; };
  };

  validateVersion = name: attrs: false;

  validatedPkgs = lib.mapAttrs (n: v: assert (validateVersion n v); v) pkgs;
  parsedPkgs = map (n: pythonPackages."${n}") (builtins.attrNames validatedPkgs);

in
  parsedPkgs