Convert to Nix Flake (#1)

Author: donn

default.nix

@@ -0,0 +1,45 @@
+{
+  python3,
+  buildPythonPackage,
+  lib,
+  pytest,
+  nix-gitignore,
+  clang,
+  swig4,
+}:
+
+let
+  yosys = builtins.fetchTarball {
+    url = "https://github.com/yosyshq/yosys/archive/73cb4977b2e493b840b23419919a63be7c83e6df.tar.gz";
+    sha256 = "sha256:0rhhx08dia0rd51rp3922vnqzi2fjarz1mrzp27s79k9y5k0mhzk";
+  };
+in
+buildPythonPackage rec {
+  name = "libparse";
+
+  version_file = builtins.readFile ./libparse/__version__.py;
+  version_list = builtins.match ''.+''\n__version__ = "([^"]+)"''\n.+''$'' version_file;
+  version = builtins.head version_list;
+  
+  prePatch = ''
+    cp -r ${yosys} ./yosys
+  '';
+
+  src = (nix-gitignore.gitignoreSourcePure ./.gitignore ./.);
+
+  checkPhase = ''
+    python3 ./test/test.py
+  '';
+
+  nativeBuildInputs = [
+    clang
+    swig4
+  ];
+  
+  meta = with lib; {
+    description = "Python wrapper around Yosys's libparse";
+    license = with licenses; [asl20];
+    homepage = "https://github.com/efabless/libpaprse-python";
+    platforms = platforms.linux ++ platforms.darwin;
+  };
+}

flake.lock

@@ -0,0 +1,49 @@
+# Copyright 2024 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+{
+  inputs = {
+    nixpkgs.url = github:nixos/nixpkgs/nixos-23.11;
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    ...
+  }: {
+    # Helper functions
+    forAllSystems = function:
+      nixpkgs.lib.genAttrs [
+        "x86_64-linux"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "aarch64-darwin"
+      ] (
+        system:
+          function (import nixpkgs {
+            inherit system;
+          })
+      );
+
+    # Outputs
+    packages = self.forAllSystems (pkgs: let
+      callPackage = pkgs.lib.callPackageWith (pkgs // self.packages.${pkgs.system});
+      callPythonPackage = pkgs.lib.callPackageWith (pkgs // pkgs.python3.pkgs // self.packages.${pkgs.system});
+    in
+      rec {
+        libparse = callPythonPackage ./default.nix {};
+        default = libparse;
+      }
+    );
+  };
+}

flake.nix

@@ -1,3 +1,16 @@
+# Copyright 2024 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 __version__ = "0.3.1"
 
 if __name__ == "__main__":