Standardize exception message prefix

desktop_client.py

@@ -176,7 +176,7 @@ def _mark_post_as_read(actor: str, post_id: str, post_category: str) -> None:
                     read_file.seek(0, 0)
                     read_file.write(post_id + content)
         except Exception as ex:
-            print('WARN: Failed to mark post as read' + str(ex))
+            print('EX: Failed to mark post as read' + str(ex))
     else:
         with open(read_posts_filename, 'w+') as read_file:
             read_file.write(post_id + '\n')

newsdaemon.py

@@ -54,8 +54,8 @@ def _update_feeds_outbox_index(base_dir: str, domain: str,
                         feeds_file.seek(0, 0)
                         feeds_file.write(post_id + '\n' + content)
                         print('DEBUG: feeds post added to index')
-            except Exception as ex:
-                print('WARN: Failed to write entry to feeds posts index ' +
+            except BaseException as ex:
+                print('EX: Failed to write entry to feeds posts index ' +
                       index_filename + ' ' + str(ex))
     else:
         try:

newswire.py

@@ -1213,7 +1213,7 @@ def get_rs_sfrom_dict(base_dir: str, newswire: {},
             published = published_with_offset.strftime("%Y-%m-%dT%H:%M:%SZ")
         try:
             pub_date = datetime.strptime(published, "%Y-%m-%dT%H:%M:%SZ")
-        except Exception as ex:
+        except BaseException as ex:
             print('WARN: Unable to convert date ' + published + ' ' + str(ex))
             continue
         rss_str += \