Provider progress animation when downloading files > 100 KiB.

av98.py

@@ -645,8 +645,22 @@ Slow internet connection?  Use 'set timeout' to be more patient.""")
         return status, meta, address, f
 
     def _write_response_to_file(self, mime, mime_options, f, destination):
+        spinner_seq = ["|", "/", "-", "\\"]
         # Read the response body over the network
-        body = f.read()
+        body = bytearray([])
+        chunk_count = 0
+        while True:
+            chunk = f.read(100*1024)
+            chunk_count += 1
+            if not chunk:
+                break
+            body.extend(chunk)
+            if chunk_count > 1:
+                spinner = spinner_seq[chunk_count % 4]
+                if chunk_count < 10:
+                    print("{} Received {} KiB...".format(spinner, chunk_count*100), end="\r")
+                else:
+                    print("{} Received {} MiB...".format(spinner, chunk_count/10.0), end="\r")
 
         # Save the result to a temporary file