pyproject.toml: set package version, fix nix package

nix/dibbler.nix

@@ -2,9 +2,12 @@
 , python3Packages
 , fetchFromGitHub
 }:
+let
+  pyproject = builtins.fromTOML (builtins.readFile ../pyproject.toml);
+in
 python3Packages.buildPythonApplication {
-  pname = "dibbler";
-  version = "unstable";
+  pname = pyproject.project.name;
+  version = pyproject.project.version;
   src = lib.cleanSource ../.;
 
   format = "pyproject";

pyproject.toml

@@ -4,6 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "dibbler"
+version = "1.0.0"
 authors = []
 description = "EDB-system for PVV"
 readme = "README.md"
@@ -18,7 +19,6 @@ dependencies = [
     "psycopg2 >= 2.8, <2.10",
     "python-barcode",
 ]
-dynamic = ["version"]
 
 [tool.setuptools.packages.find]
 include = ["dibbler*"]