python3Packages.importmagic: fix build (#356666)

pkgs/development/python-modules/importmagic/default.nix

···
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "3f7757a5b74c9a291e20e12023bb3bf71bc2fa3adfb15a08570648ab83eaf8d8";
+    hash = "sha256-P3dXpbdMmikeIOEgI7s79xvC+jrfsVoIVwZIq4Pq+Ng=";
   };
+
+  patches = [
+    # https://github.com/alecthomas/importmagic/issues/67
+    ./python-312.patch
+  ];
 
   propagatedBuildInputs = [ six ];
 
···
 
   pythonImportsCheck = [ "importmagic" ];
 
-  meta = with lib; {
+  meta = {
     description = "Python Import Magic - automagically add, remove and manage imports";
     homepage = "https://github.com/alecthomas/importmagic";
-    license = licenses.bsd0;
-    maintainers = with maintainers; [ onny ];
+    license = lib.licenses.bsd0;
+    maintainers = with lib.maintainers; [ onny ];
   };
 }

pkgs/development/python-modules/importmagic/python-312.patch

···
+--- a/importmagic/index.py
++++ b/importmagic/index.py
+@@ -8,18 +8,14 @@
+ import logging
+ import re
+ from contextlib import contextmanager
+-from distutils import sysconfig
++import sysconfig
+ 
+ from importmagic.util import parse_ast
+ 
+ 
+ LIB_LOCATIONS = sorted(set((
+-    (sysconfig.get_python_lib(standard_lib=True), 'S'),
+-    (sysconfig.get_python_lib(plat_specific=True), '3'),
+-    (sysconfig.get_python_lib(standard_lib=True, prefix=sys.prefix), 'S'),
+-    (sysconfig.get_python_lib(plat_specific=True, prefix=sys.prefix), '3'),
+-    (sysconfig.get_python_lib(standard_lib=True, prefix='/usr/local'), 'S'),
+-    (sysconfig.get_python_lib(plat_specific=True, prefix='/usr/local'), '3'),
++    (sysconfig.get_path('stdlib'), 'S'),
++    (sysconfig.get_path('platlib'), '3'),
+ )), key=lambda l: -len(l[0]))
+ 
+ # Regex matching modules that we never attempt to index.