Improve the backup logic and add log file

qml/Icon.qml

@@ -68,7 +68,9 @@ Page {
         anchors.topMargin: 10
         text: "Save"
         onClicked: {
-            iconEditor.attrs.old_icon = iconEditor.attrs.Icon.toString()
+            if(iconEditor.attrs.old_icon === undefined) {
+                iconEditor.attrs.old_icon = iconEditor.attrs.Icon.toString()
+            }
             iconEditor.attrs.Icon = icon.source.toString()
             py.importModule("main", function(){
                 py.call("main.save_icon", [iconEditor.attrs], function(result){

src/main.py

@@ -1,13 +1,29 @@
 import pyotherside
-from PIL import Image, ImageOps, ImageDraw, ImageChops
+from PIL import Image, ImageDraw, ImageChops
+from PIL.Image import Image as ImageType
 from io import BytesIO
 from glob import glob
 from collections import Counter
+import requests
 import base64
 import os
 import shutil
+import logging
 
-def base64_to_img(base64_bytes: bytes) -> Image:
+logging_filename = os.path.join(os.getenv("HOME"),
+                                ".local",
+                                "share",
+                                "org.git.kirbylife.harbour-muchkin",
+                                "muchkin.log")
+logging.basicConfig(filename=logging_filename, filemode="w", level=logging.DEBUG)
+
+def download_icon(url) -> ImageType:
+    response = requests.get(url)
+    img = Image.open(BytesIO(response.content))
+    img = img.convert("RGBA")
+    return img
+
+def base64_to_img(base64_bytes: bytes) -> ImageType:
     img_bytes = base64.b64decode(base64_bytes)
     img_buffer = BytesIO(img_bytes)
     img = Image.open(img_buffer)
@@ -24,7 +40,7 @@ def avg_colors(img):
                 counter[pixel] += 1
     return counter.most_common(1)[0][0]
 
-def add_background(img: Image, bg_tuple: tuple) -> Image:
+def add_background(img: ImageType, bg_tuple: tuple) -> ImageType:
     bg = Image.new("RGBA", img.size, bg_tuple)
     bg.paste(img, (0, 0), img)
     return bg
@@ -80,8 +96,18 @@ def get_web_icons():
     return list(map(parse_file, apps))
 
 def sailify(raw_str, pattern):
-    base64_bytes = raw_str.replace("data:image/png;base64,", "", 1).encode()
-    img = base64_to_img(base64_bytes)
+    try:
+        # New versions of Sailfish has the url on the icons
+        img = download_icon(raw_str)
+        logging.info("Downloaded from url: " + raw_str)
+    except requests.exceptions.InvalidSchema:
+        # The old ones converted the icon to base64
+        base64_bytes = raw_str.replace("data:image/png;base64,", "", 1).encode()
+        img = base64_to_img(base64_bytes)
+        logging.info("Converted from base64")
+    except Exception as e:
+        logging.error(e)
+        raise e
     bg_tuple = avg_colors(img)
     img = add_background(img, bg_tuple)
     img = crop_to_circle(img, pattern)
@@ -93,12 +119,17 @@ def sailify(raw_str, pattern):
 
 def backup_icon(app):
     if not os.path.exists(app["path"] + "backup"):
-        shutil.copyfile(app["path"], app["path"] + "_backup")
+        backup_path = app["path"] + "_backup"
+        shutil.copyfile(app["path"], backup_path)
+        logging.info("Icon backed up on: " + backup_path)
+    else:
+        logging.info("Backup already exists")
 
 def save_icon(app):
     new_content = deparse_file(app)
     with open(app["path"], "w") as f:
         f.write(new_content)
+    logging.info("Icon saved on: " + app["path"])
     return True
 
 def main():