minor bug fixes

Dockerfile

@@ -18,4 +18,4 @@ WORKDIR "/app"
 
 COPY . .
 
-CMD ["./main.py"]
+ENTRYPOINT ["./main.py"]

card.py

@@ -66,7 +66,11 @@ class Card:
 
     # download and resize card image
     def get_image(self, resolution):
+        try:
             response = requests.get(self._iurl)
+        except:
+            return False
+
         im = Image.open(BytesIO(response.content))
         im = im.convert("RGB")
         im = im.resize(resolution, Image.BICUBIC)

main.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import argparse
 import json

opus.py

@@ -27,9 +27,12 @@ class imageLoader(threading.Thread):
             # take next card
             i, card = self.__queue.get()
 
-            # fetch card image
+            # fetch card image (retry on fail)
+            while True:
                 logger.info("get image for card {}".format(card))
                 im = card.get_image(self.__resolution)
+                if im:
+                    break
 
             # paste image in correct position
             self.__lock.acquire()