rework project structure for more logical filenames and code separation

mcg/utils.py

@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+
+
+import gi
+gi.require_version('Gtk', '3.0')
+import os
+import urllib
+
+from gi.repository import GdkPixbuf
+
+
+
+
+class Utils:
+    def load_cover(url):
+        if not url:
+            return None
+        if url.startswith('/'):
+            try:
+                return GdkPixbuf.Pixbuf.new_from_file(url)
+            except Exception as e:
+                print(e)
+                return None
+        else:
+            try:
+                response = urllib.request.urlopen(url)
+                loader = GdkPixbuf.PixbufLoader()
+                loader.write(response.read())
+                loader.close()
+                return loader.get_pixbuf()
+            except Exception as e:
+                print(e)
+                return None
+
+
+    def load_thumbnail(cache, album, size):
+        cache_url = cache.create_filename(album)
+        pixbuf = None
+
+        if os.path.isfile(cache_url):
+            try:
+                pixbuf = GdkPixbuf.Pixbuf.new_from_file(cache_url)
+            except Exception as e:
+                print(e)
+        else:
+            url = album.get_cover()
+            pixbuf = Utils.load_cover(url)
+            if pixbuf is not None:
+                pixbuf = pixbuf.scale_simple(size, size, GdkPixbuf.InterpType.HYPER)
+                filetype = os.path.splitext(url)[1][1:]
+                if filetype == 'jpg':
+                    filetype = 'jpeg'
+                pixbuf.savev(cache.create_filename(album), filetype, [], [])
+        return pixbuf