python310Packages.cloudflare-dyndns: relax attrs constraint

- switch to poetry-core

pkgs/applications/networking/cloudflare-dyndns/default.nix

@@ -1,10 +1,11 @@
-{ buildPythonApplication
+{ lib
+, buildPythonApplication
 , attrs
 , click
 , cloudflare
 , fetchFromGitHub
-, lib
-, poetry
+, fetchpatch
+, poetry-core
 , pydantic
 , pytestCheckHook
 , requests
@@ -13,6 +14,7 @@
 buildPythonApplication rec {
   pname = "cloudflare-dyndns";
   version = "4.1";
+  format = "pyproject";
 
   src = fetchFromGitHub {
     owner = "kissgyorgy";
@@ -21,9 +23,9 @@ buildPythonApplication rec {
     hash = "sha256-6Q5fpJ+HuQ+hc3xTtB5tR43pn9WZ0nZZR723iLAkpis=";
   };
 
-  format = "pyproject";
-
-  nativeBuildInputs = [ poetry ];
+  nativeBuildInputs = [
+    poetry-core
+  ];
 
   propagatedBuildInputs = [
     attrs
@@ -33,13 +35,25 @@ buildPythonApplication rec {
     requests
   ];
 
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  patches = [
+    # Switch to poetry-core, https://github.com/kissgyorgy/cloudflare-dyndns/pull/22
+    (fetchpatch {
+      name = "switch-to-poetry-core.patch";
+      url = "https://github.com/kissgyorgy/cloudflare-dyndns/commit/741ed1ccb3373071ce15683a3b8ddc78d64866f8.patch";
+      sha256 = "sha256-mjSah0DWptZB6cjhP6dJg10BpJylPSQ2K4TKda7VmHw=";
+    })
+  ];
+
   postPatch = ''
     substituteInPlace pyproject.toml \
-      --replace 'click = "^7.0"' 'click = "*"'
+      --replace 'click = "^7.0"' 'click = "*"' \
+      --replace 'attrs = "^21.1.0"' 'attrs = "*"'
   '';
 
-  checkInputs = [ pytestCheckHook ];
-
   disabledTests = [
     "test_get_ipv4"
   ];