Cleaner history suffix handling

changedetectionio/fetch_processor/__init__.py

@@ -1,6 +1,7 @@
 class fetch_processor():
     contents = b''
     screenshot = None
+    history_artifact_suffix = 'txt'
 
     """
     base class for all fetch processors

changedetectionio/model/Watch.py

@@ -148,9 +148,7 @@ class model(dict):
         bump = self.history
         return self.__newest_history_key
 
-    # Save some text file to the appropriate path and bump the history
-    # result_obj from fetch_site_status.run()
-    def save_history_text(self, contents, timestamp):
+    def save_history_artifact(self, contents: bytes, timestamp, suffix='txt'):
         import uuid
         import logging
 
@@ -158,8 +156,8 @@ class model(dict):
 
         self.ensure_data_dir_exists()
 
-        snapshot_fname = "{}/{}.stripped.txt".format(output_path, uuid.uuid4())
-        logging.debug("Saving history text {}".format(snapshot_fname))
+        snapshot_fname = "{}/{}.{}".format(output_path, uuid.uuid4(), suffix)
+        logging.debug("Saving history artifact {}".format(snapshot_fname))
 
         with open(snapshot_fname, 'wb') as f:
             f.write(contents)

changedetectionio/update_worker.py

@@ -250,12 +250,11 @@ class update_worker(threading.Thread):
                     if process_changedetection_results:
                         try:
                             watch = self.datastore.data['watching'][uuid]
-                            fname = "" # Saved history text filename
 
                             # For the FIRST time we check a site, or a change detected, save the snapshot.
                             if changed_detected or not watch['last_checked']:
                                 # A change was detected
-                                watch.save_history_text(contents=update_handler.contents, timestamp=str(round(time.time())))
+                                watch.save_history_artifact(contents=update_handler.contents, timestamp=str(round(time.time())), suffix=update_handler.history_artifact_suffix)
 
                             self.datastore.update_watch(uuid=uuid, update_obj=update_obj)