From 4db381faddee6e951aa76d5a64073d22fe23f314 Mon Sep 17 00:00:00 2001
From: Naoki Pross <np@0hm.ch>
Date: Wed, 20 Oct 2021 00:56:43 +0200
Subject: Prepare nix env for video

---
 video/manimgl/default.nix       | 30 ++++++++++++++++++++++++++++++
 video/manimgl/mapbox-earcut.nix | 25 +++++++++++++++++++++++++
 video/manimpango/default.nix    | 22 ++++++++++++++++++++++
 video/qam.py                    | 14 ++++++++++++++
 video/shell.nix                 | 27 +++++++++++++++++++++++++++
 5 files changed, 118 insertions(+)
 create mode 100644 video/manimgl/default.nix
 create mode 100644 video/manimgl/mapbox-earcut.nix
 create mode 100644 video/manimpango/default.nix
 create mode 100644 video/qam.py
 create mode 100644 video/shell.nix

diff --git a/video/manimgl/default.nix b/video/manimgl/default.nix
new file mode 100644
index 0000000..cdab07e
--- /dev/null
+++ b/video/manimgl/default.nix
@@ -0,0 +1,30 @@
+{ lib, pkgs, buildPythonApplication, buildPythonPackage, fetchPypi, pythonOlder,
+  manimpango, mapbox-earcut }:
+
+buildPythonApplication rec {
+  pname = "manimgl";
+  version = "1.2.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1bsrn72vjzfz3ldh3cjn9r2gxr18408ja2shz50qwh7jnwi8alyb";
+  };
+
+  preConfigure = ''
+  sed -i '/argparse/d' manimgl.egg-info/requires.txt
+  sed -i '/argparse/d' setup.cfg
+  '';
+
+  doCheck = false;
+
+  propagatedBuildInputs = [ manimpango mapbox-earcut ] ++ (with pkgs; [
+    texlive.combined.scheme-full ffmpeg
+  ]) ++ (with pkgs.python3Packages; [
+    cython sympy numpy pydub scipy pyyaml pyopengl pyopengl-accelerate moderngl moderngl-window
+    matplotlib colour rich screeninfo tqdm validators
+  ]);
+
+  disabled = pythonOlder "3.7";
+
+  meta = { };
+}
diff --git a/video/manimgl/mapbox-earcut.nix b/video/manimgl/mapbox-earcut.nix
new file mode 100644
index 0000000..d325401
--- /dev/null
+++ b/video/manimgl/mapbox-earcut.nix
@@ -0,0 +1,25 @@
+{ lib, pkgs, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  pname = "mapbox_earcut";
+  version = "0.12.10";
+  src = fetchPypi {
+    inherit pname version;
+    format = "setuptools";
+    sha256 = "0ly48lijgd9inq07x42pfp9c24fn16vn9axpmfwqrkn979krbnah";
+  };
+
+  dontUseCmakeConfigure = true;
+
+  nativeBuildInputs = with pkgs; [ cmake ];
+
+  buildInputs = with pkgs.python3Packages; [
+    setuptools_scm pybind11
+  ];
+
+  propagatedBuildInputs = with pkgs.python3Packages; [
+    numpy
+  ];
+
+  meta = with lib; {};
+}
diff --git a/video/manimpango/default.nix b/video/manimpango/default.nix
new file mode 100644
index 0000000..97b5e97
--- /dev/null
+++ b/video/manimpango/default.nix
@@ -0,0 +1,22 @@
+{ lib, pkgs, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  pname = "ManimPango";
+  version = "0.3.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "09fc7zv953ni7pilv869ldbjgz59j41a8vbz637rqzjh2yjfb9x3";
+  };
+
+  nativeBuildInputs = with pkgs; [
+    gcc pkgconfig
+  ];
+
+  propagatedBuildInputs = with pkgs; [ pango ]
+  ++ (with pkgs.python3Packages; [
+    cython pytest numpy pillow
+  ]);
+
+  meta = with lib; {};
+}
diff --git a/video/qam.py b/video/qam.py
new file mode 100644
index 0000000..917fdeb
--- /dev/null
+++ b/video/qam.py
@@ -0,0 +1,14 @@
+from manimlib import *
+
+class QamModulation(Scene):
+    CONFIG = {
+        "camera_class": ThreeDCamera,
+    }
+
+    def construct(self):
+        circle = Circle()
+        self.play(FadeIn(circle))
+        self.wait(3)
+
+        # open an interactive IPython shell here
+        self.embed()
diff --git a/video/shell.nix b/video/shell.nix
new file mode 100644
index 0000000..bdb2575
--- /dev/null
+++ b/video/shell.nix
@@ -0,0 +1,27 @@
+with import <nixpkgs> {};
+let
+  manimpango = callPackage manimpango/default.nix {
+    buildPythonPackage = pkgs.python3Packages.buildPythonPackage;
+    fetchPypi = pkgs.python3Packages.fetchPypi;
+  };
+
+  mapbox-earcut = callPackage manimgl/mapbox-earcut.nix {
+    buildPythonPackage = pkgs.python3Packages.buildPythonPackage;
+    fetchPypi = pkgs.python3Packages.fetchPypi;
+  };
+
+  manimgl = callPackage manimgl/default.nix {
+    buildPythonApplication = pkgs.python3Packages.buildPythonApplication;
+    buildPythonPackage = pkgs.python3Packages.buildPythonPackage;
+    fetchPypi = pkgs.python3Packages.fetchPypi;
+    pythonOlder = pkgs.python3Packages.pythonOlder;
+    manimpango = manimpango;
+    mapbox-earcut = mapbox-earcut;
+  };
+
+in mkShell {
+  buildInputs = [ manimpango manimgl ];
+  shellHook = ''
+  manimgl qam.py
+  '';
+}
-- 
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