Create flake.nix

flake.nix

@@ -0,0 +1,89 @@
+{
+  description = "Python flake for MIREA desktop";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
+  };
+
+  outputs = { self, nixpkgs, ... }:
+    let
+      pkgs = import nixpkgs { system = "x86_64-linux"; };
+
+      ultralyticsThop = pkgs.python3.pkgs.buildPythonPackage rec {
+        pname = "ultralytics-thop";
+        version = "2.0.5";
+        format = "pyproject";
+        src = pkgs.fetchFromGitHub {
+		      owner = "ultralytics";
+		      repo = "thop";
+		      rev = "v${version}";
+		      sha256 = "sha256-1YvEFBw37C6Q/EJmC0do7dPv7BxwP9vbRhvw178NGAE=";
+	      };  
+	      propagatedBuildInputs = with pkgs.python312Packages; [ setuptools ];
+	      buildInputs = with pkgs.python312Packages; [ torch numpy ];
+      };
+      ultralytics = pkgs.python3.pkgs.buildPythonPackage rec {
+	      pname = "ultralytics";
+       version = "8.2.82";
+       format = "pyproject";
+       src = pkgs.fetchPypi {
+         inherit pname version;
+         sha256 = "sha256-tb0Sb0Sy9iMrYl8kuKoBJZtSfXJo/LgfhOHIlyOFebY=";
+      };
+      nativeBuildInputs = [ pkgs.python312Packages.setuptools ];
+      buildInputs = with pkgs.python312Packages; [
+        numpy
+		    scipy
+		    torch
+  	  	psutil
+	    	pandas
+    		seaborn
+		    py-cpuinfo
+		    torchvision
+    		tqdm
+		    requests
+		    opencv4
+	  ] ++ [ ultralyticsThop ];
+
+  	# Patch to remove the strict version requirements that cause problems.
+	  postPatch = ''
+		cat pyproject.toml;
+		substituteInPlace pyproject.toml \
+			--replace "torchvision>=0.9.0" "torchvision" \
+			--replace "opencv-python>=4.6.0" "opencv>=4.9.0"
+	'';
+	# Include opencv4 as opencv-python
+	preBuild = "ln -s ${pkgs.python312Packages.opencv4} opencv-python";
+};
+
+mireapython = pkgs.python3.withPackages (ps: with ps; [
+		numpy
+		scipy
+		matplotlib
+		pillow
+		colorama
+		simplejson
+		python-dateutil
+		tqdm
+		beautifulsoup4
+		cytoolz
+		pandas
+		requests
+		seaborn
+		opencv4
+		django
+		django-multiselectfield
+		sorl-thumbnail
+		django-types
+		django-taggit
+		django-context-decorator
+		django-annoying
+		django-simple-captcha
+		ultralytics
+	]))
+
+  in {
+      packages.x86_64-linux.mireapython = mireapython;
+      defaultPackage.x86_64-linux = mireapython;
+    };
+}