From 506d542df87991ac7454566546fc315eec040467 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Domen=20Ko=C5=BEar?= <domen@dev.si>
Date: Thu, 13 May 2021 19:45:03 +0200
Subject: [PATCH] pypi2nix -> mach-nix

---
 live                      |   3 +-
 requirements.nix          | 588 --------------------------------------
 requirements.txt          |   5 +-
 requirements_override.nix |   5 -
 shell.nix                 |  12 +
 source/conf.py            |   6 +-
 6 files changed, 20 insertions(+), 599 deletions(-)
 delete mode 100644 requirements.nix
 delete mode 100644 requirements_override.nix
 create mode 100644 shell.nix

diff --git a/live b/live
index 3e91c54..a3cd512 100755
--- a/live
+++ b/live
@@ -1,2 +1 @@
-# TODO: https://github.com/nix-community/pypi2nix/issues/432
-PATH=$PATH:$(nix-build requirements.nix)/bin nix-shell requirements.nix --run "python live.py"
\ No newline at end of file
+nix-shell --run "python live.py"
diff --git a/requirements.nix b/requirements.nix
deleted file mode 100644
index da95199..0000000
--- a/requirements.nix
+++ /dev/null
@@ -1,588 +0,0 @@
-# generated using pypi2nix tool (version: 2.0.4)
-# See more at: https://github.com/nix-community/pypi2nix
-#
-# COMMAND:
-#   pypi2nix -r requirements.txt
-#
-
-{ pkgs ? import <nixpkgs> {},
-  overrides ? ({ pkgs, python }: self: super: {})
-}:
-
-let
-
-  inherit (pkgs) makeWrapper;
-  inherit (pkgs.stdenv.lib) fix' extends inNixShell;
-
-  pythonPackages =
-  import "${toString pkgs.path}/pkgs/top-level/python-packages.nix" {
-    inherit pkgs;
-    inherit (pkgs) stdenv;
-    python = pkgs.python3;
-  };
-
-  commonBuildInputs = [];
-  commonDoCheck = false;
-
-  withPackages = pkgs':
-    let
-      pkgs = builtins.removeAttrs pkgs' ["__unfix__"];
-      interpreterWithPackages = selectPkgsFn: pythonPackages.buildPythonPackage {
-        name = "python3-interpreter";
-        buildInputs = [ makeWrapper ] ++ (selectPkgsFn pkgs);
-        buildCommand = ''
-          mkdir -p $out/bin
-          ln -s ${pythonPackages.python.interpreter} \
-              $out/bin/${pythonPackages.python.executable}
-          for dep in ${builtins.concatStringsSep " "
-              (selectPkgsFn pkgs)}; do
-            if [ -d "$dep/bin" ]; then
-              for prog in "$dep/bin/"*; do
-                if [ -x "$prog" ] && [ -f "$prog" ]; then
-                  ln -s $prog $out/bin/`basename $prog`
-                fi
-              done
-            fi
-          done
-          for prog in "$out/bin/"*; do
-            wrapProgram "$prog" --prefix PYTHONPATH : "$PYTHONPATH"
-          done
-          pushd $out/bin
-          ln -s ${pythonPackages.python.executable} python
-          ln -s ${pythonPackages.python.executable} \
-              python3
-          popd
-        '';
-        passthru.interpreter = pythonPackages.python;
-      };
-
-      interpreter = interpreterWithPackages builtins.attrValues;
-    in {
-      __old = pythonPackages;
-      inherit interpreter;
-      inherit interpreterWithPackages;
-      mkDerivation = args: pythonPackages.buildPythonPackage (args // {
-        nativeBuildInputs = (args.nativeBuildInputs or []) ++ args.buildInputs;
-      });
-      packages = pkgs;
-      overrideDerivation = drv: f:
-        pythonPackages.buildPythonPackage (
-          drv.drvAttrs // f drv.drvAttrs // { meta = drv.meta; }
-        );
-      withPackages = pkgs'':
-        withPackages (pkgs // pkgs'');
-    };
-
-  python = withPackages {};
-
-  generated = self: {
-    "alabaster" = python.mkDerivation {
-      name = "alabaster-0.7.12";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/cc/b4/ed8dcb0d67d5cfb7f83c4d5463a7614cb1d078ad7ae890c9143edebbf072/alabaster-0.7.12.tar.gz";
-        sha256 = "a661d72d58e6ea8a57f7a86e37d86716863ee5e92788398526d58b26a4e4dc02";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "https://alabaster.readthedocs.io";
-        license = licenses.bsdOriginal;
-        description = "A configurable sidebar-enabled Sphinx theme";
-      };
-    };
-
-    "babel" = python.mkDerivation {
-      name = "babel-2.8.0";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/34/18/8706cfa5b2c73f5a549fdc0ef2e24db71812a2685959cff31cbdfc010136/Babel-2.8.0.tar.gz";
-        sha256 = "1aac2ae2d0d8ea368fa90906567f5c08463d98ade155c0c4bfedd6a0f7160e38";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [
-        self."pytz"
-      ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "http://babel.pocoo.org/";
-        license = licenses.bsdOriginal;
-        description = "Internationalization utilities";
-      };
-    };
-
-    "certifi" = python.mkDerivation {
-      name = "certifi-2020.6.20";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/40/a7/ded59fa294b85ca206082306bba75469a38ea1c7d44ea7e1d64f5443d67a/certifi-2020.6.20.tar.gz";
-        sha256 = "5930595817496dd21bb8dc35dad090f1c2cd0adfaf21204bf6732ca5d8ee34d3";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "https://certifiio.readthedocs.io/en/latest/";
-        license = licenses.mpl20;
-        description = "Python package for providing Mozilla's CA Bundle.";
-      };
-    };
-
-    "chardet" = python.mkDerivation {
-      name = "chardet-3.0.4";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/fc/bb/a5768c230f9ddb03acc9ef3f0d4a3cf93462473795d18e9535498c8f929d/chardet-3.0.4.tar.gz";
-        sha256 = "84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "https://github.com/chardet/chardet";
-        license = licenses.lgpl2;
-        description = "Universal encoding detector for Python 2 and 3";
-      };
-    };
-
-    "docutils" = python.mkDerivation {
-      name = "docutils-0.16";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/2f/e0/3d435b34abd2d62e8206171892f174b180cd37b09d57b924ca5c2ef2219d/docutils-0.16.tar.gz";
-        sha256 = "c2de3a60e9e7d07be26b7f2b00ca0309c207e06c100f9cc2a94931fc75a478fc";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "http://docutils.sourceforge.net/";
-        license = licenses.publicDomain;
-        description = "Docutils -- Python Documentation Utilities";
-      };
-    };
-
-    "idna" = python.mkDerivation {
-      name = "idna-2.10";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/ea/b7/e0e3c1c467636186c39925827be42f16fee389dc404ac29e930e9136be70/idna-2.10.tar.gz";
-        sha256 = "b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "https://github.com/kjd/idna";
-        license = licenses.bsdOriginal;
-        description = "Internationalized Domain Names in Applications (IDNA)";
-      };
-    };
-
-    "imagesize" = python.mkDerivation {
-      name = "imagesize-1.2.0";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/e4/9f/0452b459c8ba97e07c3cd2bd243783936a992006cf4cd1353c314a927028/imagesize-1.2.0.tar.gz";
-        sha256 = "b1f6b5a4eab1f73479a50fb79fcf729514a900c341d8503d62a62dbc4127a2b1";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "https://github.com/shibukawa/imagesize_py";
-        license = licenses.mit;
-        description = "Getting image size from png/jpeg/jpeg2000/gif file";
-      };
-    };
-
-    "jinja2" = python.mkDerivation {
-      name = "jinja2-2.11.2";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/64/a7/45e11eebf2f15bf987c3bc11d37dcc838d9dc81250e67e4c5968f6008b6c/Jinja2-2.11.2.tar.gz";
-        sha256 = "89aab215427ef59c34ad58735269eb58b1a5808103067f7bb9d5836c651b3bb0";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [
-        self."markupsafe"
-      ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "https://palletsprojects.com/p/jinja/";
-        license = licenses.bsdOriginal;
-        description = "A very fast and expressive template engine.";
-      };
-    };
-
-    "livereload" = python.mkDerivation {
-      name = "livereload-2.6.2";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/b5/a2/a36af515c73fac8d596b5e0f1f9b38b83a9366facb3959dd8428727cc650/livereload-2.6.2.tar.gz";
-        sha256 = "d1eddcb5c5eb8d2ca1fa1f750e580da624c0f7fcb734aa5780dc81b7dcbd89be";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [
-        self."six"
-        self."tornado"
-      ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "https://github.com/lepture/python-livereload";
-        license = licenses.bsdOriginal;
-        description = "Python LiveReload is an awesome tool for web developers";
-      };
-    };
-
-    "markupsafe" = python.mkDerivation {
-      name = "markupsafe-1.1.1";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/b9/2e/64db92e53b86efccfaea71321f597fa2e1b2bd3853d8ce658568f7a13094/MarkupSafe-1.1.1.tar.gz";
-        sha256 = "29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "https://palletsprojects.com/p/markupsafe/";
-        license = licenses.bsdOriginal;
-        description = "Safely add untrusted strings to HTML/XML markup.";
-      };
-    };
-
-    "packaging" = python.mkDerivation {
-      name = "packaging-20.4";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/55/fd/fc1aca9cf51ed2f2c11748fa797370027babd82f87829c7a8e6dbe720145/packaging-20.4.tar.gz";
-        sha256 = "4357f74f47b9c12db93624a82154e9b120fa8293699949152b22065d556079f8";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [
-        self."pyparsing"
-        self."six"
-      ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "https://github.com/pypa/packaging";
-        license = licenses.asl20;
-        description = "Core utilities for Python packages";
-      };
-    };
-
-    "pygments" = python.mkDerivation {
-      name = "pygments-2.6.1";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/6e/4d/4d2fe93a35dfba417311a4ff627489a947b01dc0cc377a3673c00cf7e4b2/Pygments-2.6.1.tar.gz";
-        sha256 = "647344a061c249a3b74e230c739f434d7ea4d8b1d5f3721bc0f3558049b38f44";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "https://pygments.org/";
-        license = licenses.bsdOriginal;
-        description = "Pygments is a syntax highlighting package written in Python.";
-      };
-    };
-
-    "pyparsing" = python.mkDerivation {
-      name = "pyparsing-2.4.7";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/c1/47/dfc9c342c9842bbe0036c7f763d2d6686bcf5eb1808ba3e170afdb282210/pyparsing-2.4.7.tar.gz";
-        sha256 = "c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "https://github.com/pyparsing/pyparsing/";
-        license = licenses.mit;
-        description = "Python parsing module";
-      };
-    };
-
-    "pytz" = python.mkDerivation {
-      name = "pytz-2020.1";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/f4/f6/94fee50f4d54f58637d4b9987a1b862aeb6cd969e73623e02c5c00755577/pytz-2020.1.tar.gz";
-        sha256 = "c35965d010ce31b23eeb663ed3cc8c906275d6be1a34393a1d73a41febf4a048";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "http://pythonhosted.org/pytz";
-        license = licenses.mit;
-        description = "World timezone definitions, modern and historical";
-      };
-    };
-
-    "requests" = python.mkDerivation {
-      name = "requests-2.24.0";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/da/67/672b422d9daf07365259958912ba533a0ecab839d4084c487a5fe9a5405f/requests-2.24.0.tar.gz";
-        sha256 = "b3559a131db72c33ee969480840fff4bb6dd111de7dd27c8ee1f820f4f00231b";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [
-        self."certifi"
-        self."chardet"
-        self."idna"
-        self."urllib3"
-      ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "https://requests.readthedocs.io";
-        license = licenses.asl20;
-        description = "Python HTTP for Humans.";
-      };
-    };
-
-    "setuptools" = python.mkDerivation {
-      name = "setuptools-49.1.0";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/8b/0f/5f135746c4d0c95fcc3c9a30ac942330bbdf092879ccaae7e3dcba6ea214/setuptools-49.1.0.zip";
-        sha256 = "60351853f8c093ef57224695ee989d5d074168f6b93dae000fa9996072adaba3";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "https://github.com/pypa/setuptools";
-        license = licenses.mit;
-        description = "Easily download, build, install, upgrade, and uninstall Python packages";
-      };
-    };
-
-    "six" = python.mkDerivation {
-      name = "six-1.15.0";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/6b/34/415834bfdafca3c5f451532e8a8d9ba89a21c9743a0c59fbd0205c7f9426/six-1.15.0.tar.gz";
-        sha256 = "30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "https://github.com/benjaminp/six";
-        license = licenses.mit;
-        description = "Python 2 and 3 compatibility utilities";
-      };
-    };
-
-    "snowballstemmer" = python.mkDerivation {
-      name = "snowballstemmer-2.0.0";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/21/1b/6b8bbee253195c61aeaa61181bb41d646363bdaa691d0b94b304d4901193/snowballstemmer-2.0.0.tar.gz";
-        sha256 = "df3bac3df4c2c01363f3dd2cfa78cce2840a79b9f1c2d2de9ce8d31683992f52";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "https://github.com/snowballstem/snowball";
-        license = licenses.bsdOriginal;
-        description = "This package provides 26 stemmers for 25 languages generated from Snowball algorithms.";
-      };
-    };
-
-    "sphinx" = python.mkDerivation {
-      name = "sphinx-3.1.2";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/4b/2b/84e00ab4c6103ebe38b3c1f0d574d46a7b8fb1dccb4d41a6ec0b9d15aacd/Sphinx-3.1.2.tar.gz";
-        sha256 = "b9daeb9b39aa1ffefc2809b43604109825300300b987a24f45976c001ba1a8fd";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [
-        self."alabaster"
-        self."babel"
-        self."docutils"
-        self."imagesize"
-        self."jinja2"
-        self."packaging"
-        self."pygments"
-        self."requests"
-        self."setuptools"
-        self."snowballstemmer"
-        self."sphinxcontrib-applehelp"
-        self."sphinxcontrib-devhelp"
-        self."sphinxcontrib-htmlhelp"
-        self."sphinxcontrib-jsmath"
-        self."sphinxcontrib-qthelp"
-        self."sphinxcontrib-serializinghtml"
-      ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "http://sphinx-doc.org/";
-        license = licenses.bsdOriginal;
-        description = "Python documentation generator";
-      };
-    };
-
-    "sphinxcontrib-applehelp" = python.mkDerivation {
-      name = "sphinxcontrib-applehelp-1.0.2";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/9f/01/ad9d4ebbceddbed9979ab4a89ddb78c9760e74e6757b1880f1b2760e8295/sphinxcontrib-applehelp-1.0.2.tar.gz";
-        sha256 = "a072735ec80e7675e3f432fcae8610ecf509c5f1869d17e2eecff44389cdbc58";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "http://sphinx-doc.org/";
-        license = licenses.bsdOriginal;
-        description = "sphinxcontrib-applehelp is a sphinx extension which outputs Apple help books";
-      };
-    };
-
-    "sphinxcontrib-devhelp" = python.mkDerivation {
-      name = "sphinxcontrib-devhelp-1.0.2";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/98/33/dc28393f16385f722c893cb55539c641c9aaec8d1bc1c15b69ce0ac2dbb3/sphinxcontrib-devhelp-1.0.2.tar.gz";
-        sha256 = "ff7f1afa7b9642e7060379360a67e9c41e8f3121f2ce9164266f61b9f4b338e4";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "http://sphinx-doc.org/";
-        license = licenses.bsdOriginal;
-        description = "sphinxcontrib-devhelp is a sphinx extension which outputs Devhelp document.";
-      };
-    };
-
-    "sphinxcontrib-htmlhelp" = python.mkDerivation {
-      name = "sphinxcontrib-htmlhelp-1.0.3";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/c9/2e/a7a5fef38327b7f643ed13646321d19903a2f54b0a05868e4bc34d729e1f/sphinxcontrib-htmlhelp-1.0.3.tar.gz";
-        sha256 = "e8f5bb7e31b2dbb25b9cc435c8ab7a79787ebf7f906155729338f3156d93659b";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "http://sphinx-doc.org/";
-        license = licenses.bsdOriginal;
-        description = "sphinxcontrib-htmlhelp is a sphinx extension which renders HTML help files";
-      };
-    };
-
-    "sphinxcontrib-jsmath" = python.mkDerivation {
-      name = "sphinxcontrib-jsmath-1.0.1";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/b2/e8/9ed3830aeed71f17c026a07a5097edcf44b692850ef215b161b8ad875729/sphinxcontrib-jsmath-1.0.1.tar.gz";
-        sha256 = "a9925e4a4587247ed2191a22df5f6970656cb8ca2bd6284309578f2153e0c4b8";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "http://sphinx-doc.org/";
-        license = licenses.bsdOriginal;
-        description = "A sphinx extension which renders display math in HTML via JavaScript";
-      };
-    };
-
-    "sphinxcontrib-qthelp" = python.mkDerivation {
-      name = "sphinxcontrib-qthelp-1.0.3";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/b1/8e/c4846e59f38a5f2b4a0e3b27af38f2fcf904d4bfd82095bf92de0b114ebd/sphinxcontrib-qthelp-1.0.3.tar.gz";
-        sha256 = "4c33767ee058b70dba89a6fc5c1892c0d57a54be67ddd3e7875a18d14cba5a72";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "http://sphinx-doc.org/";
-        license = licenses.bsdOriginal;
-        description = "sphinxcontrib-qthelp is a sphinx extension which outputs QtHelp document.";
-      };
-    };
-
-    "sphinxcontrib-serializinghtml" = python.mkDerivation {
-      name = "sphinxcontrib-serializinghtml-1.1.4";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/ac/86/021876a9dd4eac9dae0b1d454d848acbd56d5574d350d0f835043b5ac2cd/sphinxcontrib-serializinghtml-1.1.4.tar.gz";
-        sha256 = "eaa0eccc86e982a9b939b2b82d12cc5d013385ba5eadcc7e4fed23f4405f77bc";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "http://sphinx-doc.org/";
-        license = licenses.bsdOriginal;
-        description = "sphinxcontrib-serializinghtml is a sphinx extension which outputs "serialized" HTML files (json and pickle).";
-      };
-    };
-
-    "tornado" = python.mkDerivation {
-      name = "tornado-6.0.4";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/95/84/119a46d494f008969bf0c775cb2c6b3579d3c4cc1bb1b41a022aa93ee242/tornado-6.0.4.tar.gz";
-        sha256 = "0fe2d45ba43b00a41cd73f8be321a44936dc1aba233dee979f17a042b83eb6dc";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "http://www.tornadoweb.org/";
-        license = licenses.asl20;
-        description = "Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed.";
-      };
-    };
-
-    "urllib3" = python.mkDerivation {
-      name = "urllib3-1.25.9";
-      src = pkgs.fetchurl {
-        url = "https://files.pythonhosted.org/packages/05/8c/40cd6949373e23081b3ea20d5594ae523e681b6f472e600fbc95ed046a36/urllib3-1.25.9.tar.gz";
-        sha256 = "3018294ebefce6572a474f0604c2021e33b3fd8006ecd11d62107a5d2a963527";
-};
-      doCheck = commonDoCheck;
-      format = "setuptools";
-      buildInputs = commonBuildInputs ++ [ ];
-      propagatedBuildInputs = [ ];
-      meta = with pkgs.stdenv.lib; {
-        homepage = "https://urllib3.readthedocs.io/";
-        license = licenses.mit;
-        description = "HTTP library with thread-safe connection pooling, file post, and more.";
-      };
-    };
-  };
-  localOverridesFile = ./requirements_override.nix;
-  localOverrides = import localOverridesFile { inherit pkgs python; };
-  commonOverrides = [
-        (let src = pkgs.fetchFromGitHub { owner = "nix-community"; repo = "pypi2nix-overrides"; rev = "90e891e83ffd9e55917c48d24624454620d112f0"; sha256 = "0cl1r3sxibgn1ks9xyf5n3rdawq4hlcw4n6xfhg3s1kknz54jp9y"; } ; in import "${src}/overrides.nix" { inherit pkgs python; })
-  ];
-  paramOverrides = [
-    (overrides { inherit pkgs python; })
-  ];
-  allOverrides =
-    (if (builtins.pathExists localOverridesFile)
-     then [localOverrides] else [] ) ++ commonOverrides ++ paramOverrides;
-
-in python.withPackages
-   (fix' (pkgs.lib.fold
-            extends
-            generated
-            allOverrides
-         )
-   )
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index f9ebc28..ba37179 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,4 @@
-# After updating run:
-# nix-shell -p pypi2nix --run "pypi2nix -r requirements.txt"
 sphinx==4.0.1
 alabaster==0.7.12
-livereload==2.6.3
\ No newline at end of file
+livereload==2.6.3
+sphinx-copybutton==0.3.1
diff --git a/requirements_override.nix b/requirements_override.nix
deleted file mode 100644
index 3b704ef..0000000
--- a/requirements_override.nix
+++ /dev/null
@@ -1,5 +0,0 @@
-{ pkgs, python }:
-
-self: super: {
-
-}
\ No newline at end of file
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..3469cc8
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,12 @@
+let
+  mach-nix = import (builtins.fetchGit {
+    url = "https://github.com/DavHau/mach-nix/";
+    ref = "refs/tags/3.2.0";
+  }) {
+    pypiDataRev = "15175225c8295e08e5b95b2965892820a64e9746";
+    pypiDataSha256 = "00f87qsdg312iy5f47vr3jjw1jd3d0j89n6zmja536im5f1qzrs9";
+  };
+in
+mach-nix.mkPythonShell {
+  requirements = builtins.readFile ./requirements.txt;
+}
diff --git a/source/conf.py b/source/conf.py
index 576f914..9433455 100644
--- a/source/conf.py
+++ b/source/conf.py
@@ -32,9 +32,13 @@ from datetime import date
 # ones.
 extensions = [
     'sphinx.ext.intersphinx',
-    'sphinx.ext.todo'
+    'sphinx.ext.todo',
+    'sphinx_copybutton'
 ]
 
+copybutton_prompt_text = r"# |\$ "
+copybutton_prompt_is_regexp = True
+
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']