feat(python-pdm): iterate

modules/dream2nix/WIP-python-pdm/default.nix

@@ -4,24 +4,33 @@
   dream2nix,
   ...
 }: let
-  t = lib.types;
-  pyproject-nix = import (dream2nix.inputs.pyproject-nix + "/lib") {inherit lib;};
-  interpreterVersion = config.pythonInterpreter.pythonVersion;
+  libpdm = ./lib.nix {
+    inherit lib libpyproject;
+  };
+
+  libpyproject = import (dream2nix.inputs.pyproject-nix + "/lib") {inherit lib;};
+
+  lock-data = libpdm.parseLockData {
+    lock-data = lib.importTOML config.pdm.lock-file;
+    environ = libpyproject.pep508.mkEnviron config.deps.python3;
+    selector = libpdm.preferWheelSelector;
+  };
 
-  lock-data = lib.importTOML config.pdm.lock-file;
   pyproject-data = lib.importTOML config.pdm.pyproject;
 
-  pyproject-parsed = pyproject-nix.project.loadPyproject {
+  pyprojectLoaded = libpyproject.project.loadPyproject {
     pyproject = pyproject-data;
   };
+
+  build-systems = pyprojectLoaded.build-systems;
+  dependencies = pyprojectLoaded.dependencies;
 in {
   imports = [
-    dream2nix.modules.groups
+    dream2nix.modules.dream2nix.groups
     ./interface.nix
   ];
-  pdm.debugData = pyproject-parsed;
   commonModule = {
-    options.sourceSelector = import ./sourceSeelctorOption.nix {};
+    options.sourceSelector = import ./sourceSelectorOption.nix {};
     config.sourceSelector = lib.mkOptionDefault config.pdm.sourceSelector;
   };
 }

modules/dream2nix/WIP-python-pdm/interface.nix

@@ -18,10 +18,6 @@ in {
       type = t.package;
     };
 
-    debugData = l.mkOption {
-      type = t.raw;
-    };
-
     sourceSelector = import ./sourceSelectorOption.nix {inherit lib;};
   };
 }

modules/dream2nix/WIP-python-pdm/lib.nix

@@ -4,6 +4,14 @@
 }: rec {
   getFilename = url: lib.lists.last (lib.splitString "/" url);
 
+  getPdmPackages = {lock-data}:
+    lib.listToAttrs (
+      lib.forEach lock-data.package (
+        pkg:
+          lib.nameValuePair pkg.name pkg
+      )
+    );
+
   # Convert sources to mapping with filename as key.
   sourcesToAttrs = sources:
     lib.listToAttrs (
@@ -130,7 +138,18 @@
             isUsableFilename {inherit environ filename;}
         )
         sources;
+      evalDep = dep:
+        libpyproject.pep508.evalMarkers
+        environ
+        (libpyproject.pep508.parseString dep);
+      dependencies =
+        map
+        (dep: {
+          inherit (dep) name;
+        })
+        (lib.filter evalDep item.dependencies);
       value = {
+        inherit dependencies;
         inherit (item) version;
         source = sources.${selector (lib.attrNames compatibleSources)};
         # In the future we could add additional meta data fields

tests/nix-unit/test_python-pdm-lib/default.nix

@@ -160,7 +160,8 @@
         (parsed ? "certifi")
         && (parsed.certifi.version == version)
         && (parsed.certifi ? source)
-        && (parsed.certifi.source.url == "https://files.pythonhosted.org/packages/4c/dd/2234eab22353ffc7d94e8d13177aaa050113286e93e7b40eae01fbf7c3d9/certifi-2023.7.22-py3-none-any.whl");
+        && (parsed.certifi.source.url == "https://files.pythonhosted.org/packages/4c/dd/2234eab22353ffc7d94e8d13177aaa050113286e93e7b40eae01fbf7c3d9/certifi-2023.7.22-py3-none-any.whl")
+        && (parsed.certifi.dependencies == []);
       expected = true;
     };
   };

tests/nix-unit/test_python-pdm/default.nix

@@ -24,8 +24,7 @@ in {
       # groups.my-group.packages.hello = {...}: fixtures.basic-derivation;
     };
   in {
-    expr = true;
-    # expr = config.groups.my-group.public.hello ? drvPath;
+    expr = config.groups.default.public.certifi ? drvPath;
     expected = true;
   };
 }