python.pkgs.apsw: move to separate expression

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

@@ -0,0 +1,25 @@
+{ stdenv, buildPythonPackage, fetchurl
+, sqlite, isPyPy }:
+
+buildPythonPackage rec {
+  pname = "apsw";
+  version = "3.7.6.2-r1";
+  name = "${pname}-${version}";
+
+  disabled = isPyPy;
+
+  src = fetchurl {
+    url = "http://apsw.googlecode.com/files/${name}.zip";
+    sha256 = "cb121b2bce052609570a2f6def914c0aa526ede07b7096dddb78624d77f013eb";
+  };
+
+  buildInputs = [ sqlite ];
+
+  # python: double free or corruption (fasttop): 0x0000000002fd4660 ***
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "A Python wrapper for the SQLite embedded relational database engine";
+    homepage = http://code.google.com/p/apsw/;
+  };
+}

pkgs/top-level/python-packages.nix

@@ -588,25 +588,7 @@ in {
     };
   };
 
-  apsw = buildPythonPackage rec {
+  apsw = callPackage ../development/python-modules/apsw {};
-    name = "apsw-3.7.6.2-r1";
-    disabled = isPyPy;
-
-    src = pkgs.fetchurl {
-      url = "http://apsw.googlecode.com/files/${name}.zip";
-      sha256 = "cb121b2bce052609570a2f6def914c0aa526ede07b7096dddb78624d77f013eb";
-    };
-
-    buildInputs = with self; [ pkgs.sqlite ];
-
-    # python: double free or corruption (fasttop): 0x0000000002fd4660 ***
-    doCheck = false;
-
-    meta = {
-      description = "A Python wrapper for the SQLite embedded relational database engine";
-      homepage = http://code.google.com/p/apsw/;
-    };
-  };
 
   astor = buildPythonPackage rec {
     name = "astor-${version}";