shell.nix

with (import <nixpkgs> {});
let
  python3 = python3.override {
    packageOverrides = python-self: python-super: {
      plotly = python-super.plotly.overrideAttrs (oldAttrs: {
        pname = "plotly";
        version = "3.10.0";
        src = fetchPypi {
          inherit pname version;
          sha256 = "20df14f7883807f57d96ac245841e086a1799f2c2778462a7f3bca704e369c00";
        };
      });
    };
  };

  quantmod = python3.pkgs.buildPythonPackage rec {
    pname = "quantmod";
    version = "0.0.0";

    src = ./.;
    propagatedBuildInputs = with self; with python3.pkgs; [ numpy pandas pandas-datareader plotly ];
    doCheck = false;
  };

in mkShell {
  buildInputs = with python3.pkgs; [ python3 quantmod numpy pandas pandas-datareader plotly ];
  shellHook = ''
    # Tells pip to put packages into $PIP_PREFIX instead of the usual locations.
    # See https://pip.pypa.io/en/stable/user_guide/#environment-variables.
    export PIP_PREFIX=$(pwd)/_build/pip_packages
    export PYTHONPATH="$PIP_PREFIX/${pkgs.python3.sitePackages}:$PYTHONPATH"
    export PATH="$PIP_PREFIX/bin:$PATH"
    unset SOURCE_DATE_EPOCH
  '';
}