Adding Radicale package and service

nixos/modules/module-list.nix

···
   ./services/networking/prayer.nix
   ./services/networking/privoxy.nix
   ./services/networking/quassel.nix
+  ./services/networking/radicale.nix
   ./services/networking/radvd.nix
   ./services/networking/rdnssd.nix
   ./services/networking/rpcbind.nix

nixos/modules/services/networking/radicale.nix

···
+{config, lib, pkgs, ...}:
+
+with lib;
+
+let
+
+  cfg = config.services.radicale;
+
+  confFile = pkgs.writeText "radicale.conf" cfg.config;
+
+in
+
+{
+
+  options = {
+
+    services.radicale.enable = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+          Enable Radicale CalDAV and CardDAV server
+      '';
+    };
+
+    services.radicale.config = mkOption {
+      type = types.string;
+      default = "";
+      description = ''
+        Radicale configuration, this will set the service
+        configuration file
+      '';
+      };
+  };
+
+  config = mkIf cfg.enable {
+
+    environment.systemPackages = [ pkgs.pythonPackages.radicale ];
+
+    jobs.radicale = {
+      description = "A Simple Calendar and Contact Server";
+      startOn = "started network-interfaces";
+      exec = "${pkgs.pythonPackages.radicale}/bin/radicale -C ${confFile} -d";
+      daemonType = "fork";
+    };
+
+  };
+
+}

pkgs/top-level/all-packages.nix

···
   gnuvd = callPackage ../tools/misc/gnuvd { };
 
   goaccess = callPackage ../tools/misc/goaccess { };
-  
+
   googleAuthenticator = callPackage ../os-specific/linux/google-authenticator { };
 
   gource = callPackage ../applications/version-management/gource {};

pkgs/top-level/python-packages.nix

···
     };
   };
 
+  radicale = buildPythonPackage rec {
+    name = "radicale-${version}";
+    namePrefix = "";
+    version = "0.9b1";
+
+    src = fetchurl {
+      url = "http://pypi.python.org/packages/source/R/Radicale/Radicale-${version}.tar.gz";
+      sha256 = "3a8451909de849f173f577ddec0a085f19040dbb6aa13d5256208a0f8e11d88d";
+    };
+
+    propagatedBuildInputs = with pythonPackages; [
+      flup
+      ldap
+      sqlalchemy
+    ];
+
+    doCheck = false;
+
+    meta = {
+      homepage = "http://www.radicale.org/";
+      longDescription = ''
+        The Radicale Project is a complete CalDAV (calendar) and CardDAV
+        (contact) server solution. Calendars and address books are available for
+        both local and remote access, possibly limited through authentication
+        policies. They can be viewed and edited by calendar and contact clients
+        on mobile phones or computers.
+      '';
+      license = stdenv.lib.licenses.gpl3Plus;
+      maintainers = [ stdenv.lib.maintainers.edwtjo ];
+    };
+  };
 
   raven = buildPythonPackage rec {
     name = "raven-3.4.1";