Index: dev/snapcraft.yaml
==================================================================
--- dev/snapcraft.yaml
+++ dev/snapcraft.yaml
@@ -1,11 +1,13 @@
 # Terrible idea. Snap isn't very fit to harbour python desktop apps.
 # Bloats up the whole package to 65MB (from 450K). The pyz→zip roundtrip
-# is also fairly redundant.
+# is also fairly redundant. (But the pyz is more relocatable than using
+# the plain deb / make install setup.)
+
 
 name: streamtuner2
-version: 2.2.1+2020-05
+version: 2.2.2-rc1
 summary: Directory browser for internet radio, audio and video streams
 description: |
  Streamtuner2 is a GUI for browsing internet radio directories,
  music collections, and video services - grouped by genres or
  categories. It runs your preferred audio player or streamripper
@@ -14,19 +16,19 @@
  This SNAP package is just for testing. The DEB or PYZ are significantly
  smaller and faster to install.
 icon: ./icon.png
 grade: stable
 base: core18
-confinement: strict
+confinement: classic   # `strict` wouldn't allow exec of audacious/vlc/etc., which kinda defeats the purpose of st2
+
 
 parts:
-
   # pull in python2 + libs
   python:
     plugin: python
     python-version: python2
-    python-packages: [requests,pyquery,lxml,six,urllib3,pillow]
+    python-packages: [requests,pyquery,lxml,six,"urllib3[secure]",pillow]
     after: [desktop-gtk2]
     stage-packages:
       - python-gtk2
 
   # use prepared pyz in zip
@@ -54,25 +56,37 @@
       - build-essential
       - libgtk2.0-dev
     stage-packages:
       - libxkbcommon0  # XKB_CONFIG_ROOT
       - ttf-ubuntu-font-family
-      - dmz-cursor-theme
+      #- dmz-cursor-theme
       - light-themes
       - adwaita-icon-theme
       - gnome-themes-standard
       - shared-mime-info
       - libgtk2.0-0
       - libgdk-pixbuf2.0-0
       - libglib2.0-bin
       - libgtk2.0-bin
       - unity-gtk2-module
-      - locales-all
+      #- locales-all
       - libappindicator1
       - xdg-user-dirs
       - ibus-gtk
       - libibus-1.0-5
+
+  # https://forum.snapcraft.io/t/simple-trick-to-reduce-size-and-startup-time-of-gnome-based-snaps/12006
+  cleanup:
+    after: [ python, st2, desktop-gtk2 ]
+    plugin: nil
+    build-snaps: [ gnome-3-28-1804 ]
+    override-prime: |
+      set -eux
+      cd /snap/gnome-3-28-1804/current
+      find . -type f,l -exec rm -f $SNAPCRAFT_PRIME/{} \;
+      #cd $SNAPCRAFT_PRIME/usr/lib/locale
+      #find . -type f,l -exec rm -f $SNAPCRAFT_PRIME/{} \;
 
 apps:
   pyz:
     command: desktop-launch $SNAP/streamtuner2.pyz
     plugs:
@@ -79,10 +93,13 @@
     - x11
     - home
     - network
     - desktop # needed for a lot of gtk3 and glib interaction with the host system
     - desktop-legacy # needed for accessibility tools IIRC
+    - gtk-2-engines
+    - gtk-2-themes
+    #- gnome-3-28-1804
 
 plugs:
   gtk-2-engines:
     interface: content
     target: $SNAP/lib/gtk-2.0
@@ -97,5 +114,9 @@
     default-provider: gtk-common-themes
   sound-themes:
     interface: content
     target: $SNAP/data-dir/sounds
     default-provider: gtk-common-themes
+#  gnome-3-28-1804:
+#    interface: content
+#    target: $SNAP/gnome-platform
+#    default-provider: gnome-3-28-1804

Index: st2.py
==================================================================
--- st2.py
+++ st2.py
@@ -1,21 +1,22 @@
 #!/usr/bin/env python
-# encoding: UTF-8
+# encoding: utf-8
 # api: python
 # type: application
 # title: streamtuner2
 # description: Directory browser for internet radio, audio and video streams
-# version: 2.2.1+2020-05
+# version: 2.2.2-rc1
 # state: stable
 # author: Mario Salzer <mario@include-once.org>
 # license: Public Domain
 # url: http://freshcode.club/projects/streamtuner2
 # config:  
 #   { type: env, name: HTTP_PROXY, description: proxy for HTTP access }
 #   { type: env, name: XDG_CONFIG_HOME, description: relocates user .config subdirectory }
 # category: sound
-# depends: pygtk | gi, threading, requests, pyquery, lxml
+# depends: python (>= 2.7) | python3 (>= 3.2), python:pygtk | python:gobject,
+#   python:requests (>= 1.1), python:pyquery, python:pillow, python:xdg
 # alias: streamtuner2, main
 # id: st2
 # pack: *.py, gtk3.xml.gz, bin, channels/__init__.py, bundle/*.py, CREDITS, help/index.page,
 #   streamtuner2.desktop, README, help/streamtuner2.1=/usr/share/man/man1/,
 #   NEWS=/usr/share/doc/streamtuner2/, icon.png=/usr/share/pixmaps/streamtuner2.png
@@ -30,12 +31,12 @@
 # Python, can be more easily extended and fixed. The mix of
 # JSON APIs, regex or PyQuery extraction simplifies collecting
 # station lists.
 #
 # Primarily radio stations are displayed, some channels however
-# are music collections. Commercial and sign-up services are not
-# an objective.
+# are music collections or video platforms. Commercial and sign-up
+# services are not an objective.
 
 
 # standard modules
 import sys
 import os