Display card images and local image caching for faster loading times

util.py

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+import os
+import gi
+
+import config
+
+gi.require_version('Gtk', '3.0')
+from gi.repository import GdkPixbuf
+from PIL import Image as PImage
+from urllib import request
+
+# Loacally stored images for faster loading times
+imagecache = []
+
+
+def reload_image_cache():
+    if not os.path.exists(config.cachepath):
+        os.makedirs(config.cachepath)
+
+    # return array of images
+    imageslist = os.listdir(config.cachepath)
+    loadedimages = []
+    for image in imageslist:
+        img = PImage.open(config.cachepath + image)
+        loadedimages.append(img)
+    return loadedimages
+
+
+def add_test_image():
+    return GdkPixbuf.Pixbuf.new_from_file_at_size('./resources/images/demo.jpg', 63 * 2, 88 * 2)
+
+
+def load_card_image_online(card):
+    url = card.image_url
+    if url is None:
+        print("No Image URL provided")
+        return add_test_image()
+    filename = ".cache/" + card.multiverse_id.__str__() + ".PNG"
+    print("Loading image from: " + url)
+    response = request.urlretrieve(url, filename)
+    return GdkPixbuf.Pixbuf.new_from_file_at_size(filename, 63 * 2, 88 * 2)
+
+
+def load_card_image(card):
+    # Try loading from disk, if file exists
+    for image in imagecache:
+        filename = os.path.basename(image.filename)
+        if filename == card.multiverse_id.__str__() + ".PNG":
+            print("Using local file: " + filename)
+            return GdkPixbuf.Pixbuf.new_from_file_at_size(image.filename, 63 * 2, 88 * 2)
+
+    # No file in local cache found
+    return load_card_image_online(card)