nix shell for python dev

shell.nix

{ pkgs ? import <nixpkgs> {} }:

  with pkgs;

  let
    inherit (lib) optional optionals;
    proxy = "<your proxy if you need one>";
  in

  mkShell {
    buildInputs = [
      python36Full
      jupyter
      python36Packages.virtualenv
      python36Packages.pip
      python36Packages.dask
      python36Packages.pandas
      python36Packages.scikitlearn
      python36Packages.kafka-python
      python36Packages.paho-mqtt
      python36Packages.ipython
      python36Packages.ipdb
      python36Packages.jinja2
      python36Packages.pamqp
      python36Packages.rabbitpy
      python36Packages.toolz
      python36Packages.more-itertools
      python36Packages.joblib
      python36Packages.tqdm
      git
      timescaledb
      glibcLocales
      inotify-tools
      jetbrains.pycharm-community
    ];

    HTTP_PROXY          = "${proxy}";
    HTTPS_PROXY         = "${proxy}";
    http_proxy          = "${proxy}";
    https_proxy         = "${proxy}";

    # Put the PostgreSQL databases in the project diretory.
    LOCALE_ARCHIVE = "${pkgs.glibcLocales}/lib/locale/locale-archive";
    shellHook = ''
      export LANG=en_US.UTF-8
      export PGDATA="$PWD/db"
    '';
  }