python.pkgs.sqlalchemy: support sqlite 3.30

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

@@ -1,7 +1,8 @@
 { lib, fetchPypi, buildPythonPackage, isPy3k, isPy35
 , mock
 , pysqlite
-, pytest
+, fetchpatch
+, pytestCheckHook
 }:
 
 buildPythonPackage rec {
@@ -14,7 +15,7 @@ buildPythonPackage rec {
   };
 
   checkInputs = [
-    pytest
+    pytestCheckHook
     mock
   ] ++ lib.optional (!isPy3k) pysqlite;
 
@@ -22,11 +23,23 @@ buildPythonPackage rec {
     sed -e 's:--max-worker-restart=5::g' -i setup.cfg
   '';
 
-  checkPhase = if isPy35 then ''
-    pytest test -k 'not exception_persistent_flush_py3k'
-  '' else ''
-    pytest test
-  '';
+  dontUseSetuptoolsCheck = true;
+
+  disabledTests = lib.optionals isPy35 [ "exception_persistent_flush_py3k "];
+
+  patches = [
+    # Two patches for sqlite 3.30 compatibility.
+    # https://github.com/sqlalchemy/sqlalchemy/pull/4921
+    (fetchpatch {
+      url = https://github.com/sqlalchemy/sqlalchemy/commit/8b35ba54ab31aab13a34c360a31d014da1f5c809.patch;
+      sha256 = "065csr6pd7j1fjnv72wbz8s6xhydi5f161gj7nyqq86rxkh0nl0n";
+    })
+    (fetchpatch {
+      url = https://github.com/sqlalchemy/sqlalchemy/commit/e18534a9045786efdaf4963515222838c62e0300.patch;
+      sha256 = "0bwfwp5gmgg12qilvwdd2a5xi76bllzzapb23ybh1k34c5pla195";
+    })
+
+  ];
 
   meta = with lib; {
     homepage = http://www.sqlalchemy.org/;