Flatpak source initial work

flatpak/hu.kramo.Cartridges.Devel.json

@@ -16,7 +16,8 @@
         "--filesystem=~/.var/app/net.lutris.Lutris/:ro",
         "--filesystem=~/.var/app/com.heroicgameslauncher.hgl/config/heroic/:ro",
         "--filesystem=~/.var/app/com.usebottles.bottles/data/bottles/:ro",
-        "--filesystem=~/.var/app/io.itch.itch/config/itch/:ro"
+        "--filesystem=~/.var/app/io.itch.itch/config/itch/:ro",
+        "--filesystem=/var/lib/flatpak:ro"
     ],
     "cleanup" : [
         "/include",
@@ -96,6 +97,20 @@
                             "sha256": "bf548479d336726d7a0eceb6e767e179fbde37833ae42794602631a070d630f1"
                         }
                     ]
+                },
+                {
+                    "name": "python3-pyxdg",
+                    "buildsystem": "simple",
+                    "build-commands": [
+                        "pip3 install --verbose --exists-action=i --no-index --find-links=\"file://${PWD}\" --prefix=${FLATPAK_DEST} \"pyxdg\" --no-build-isolation"
+                    ],
+                    "sources": [
+                        {
+                            "type": "file",
+                            "url": "https://files.pythonhosted.org/packages/e5/8d/cf41b66a8110670e3ad03dab9b759704eeed07fa96e90fdc0357b2ba70e2/pyxdg-0.28-py2.py3-none-any.whl",
+                            "sha256": "bdaf595999a0178ecea4052b7f4195569c1ff4d344567bccdc12dfdf02d545ab"
+                        }
+                    ]
                 }
             ]
         },