moinmoin: refactor and fix build

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

@@ -0,0 +1,32 @@
+{ lib, buildPythonPackage, fetchurl, fetchpatch
+, pytest, werkzeug, pygments
+}:
+
+buildPythonPackage rec {
+  name = "moinmoin-${ver}";
+  ver = "1.9.9";
+
+  src = fetchurl {
+    url = "http://static.moinmo.in/files/moin-${ver}.tar.gz";
+    sha256 = "197ga41qghykmir80ik17f9hjpmixslv3zjgj7bj9qvs1dvdg5s3";
+  };
+
+  patches = [
+    # Recommended to install on their download page.
+    (fetchpatch {
+      url = "https://bitbucket.org/thomaswaldmann/moin-1.9/commits/561b7a9c2bd91b61d26cd8a5f39aa36bf5c6159e/raw";
+      sha256 = "1nscnl9nspnrwyf3n95ig0ihzndryinq9kkghliph6h55cncfc65";
+    })
+    ./fix_tests.patch
+  ];
+
+  checkInputs = [ pytest werkzeug pygments ];
+
+  meta = with lib; {
+    description = "Advanced, easy to use and extensible WikiEngine";
+
+    homepage = "http://moinmo.in/";
+
+    license = licenses.gpl2Plus;
+  };
+}

pkgs/development/python-modules/moinmoin/fix_tests.patch

@@ -0,0 +1,16 @@
+diff -ru3 moin-1.9.9-old/MoinMoin/conftest.py moin-1.9.9-new/MoinMoin/conftest.py
+--- moin-1.9.9-old/MoinMoin/conftest.py	2016-10-31 23:44:02.000000000 +0300
++++ moin-1.9.9-new/MoinMoin/conftest.py	2018-02-18 12:13:19.551929093 +0300
+@@ -22,10 +22,11 @@
+ 
+ import atexit
+ import sys
++import os
+ 
+ import py
+ 
+-rootdir = py.magic.autopath().dirpath()
++rootdir = os.path.abspath(os.path.dirname(__file__))
+ moindir = rootdir.join("..")
+ sys.path.insert(0, str(moindir))
+ 

pkgs/top-level/python-packages.nix

@@ -10372,24 +10372,8 @@ in {
     };
   };
 
-  moinmoin = buildPythonPackage (rec {
+  # Needed here because moinmoin is loaded as a Python library.
-    name = "moinmoin-${ver}";
+  moinmoin = callPackage ../development/python-modules/moinmoin { };
-    disabled = isPy3k;
-    ver = "1.9.8";
-
-    src = pkgs.fetchurl {
-      url = "http://static.moinmo.in/files/moin-${ver}.tar.gz";
-      sha256 = "19hi16iy75lpx9ch799djc4hr4gai5rmvi542n29x6zhikysfjx7";
-    };
-
-    meta = {
-      description = "Advanced, easy to use and extensible WikiEngine";
-
-      homepage = http://moinmo.in/;
-
-      license = licenses.gpl2Plus;
-    };
-  });
 
   moretools = callPackage ../development/python-modules/moretools { };