add parsers to clean track titles .ie. remove remaster info

+ use getters to read flags
+ use the largest limit to get recent favorites
+ misc

app/periodic_scan.py

@@ -0,0 +1,42 @@
+"""
+This module contains functions for the server
+"""
+import time
+from requests import ReadTimeout
+from requests import ConnectionError as RequestConnectionError
+
+from app.logger import log
+from app.lib.artistlib import CheckArtistImages
+from app.lib.populate import Populate, PopulateCancelledError
+
+from app.utils.generators import get_random_str
+from app.utils.network import Ping
+from app.utils.threading import background
+
+from app.settings import ParserFlags, get_flag, get_scan_sleep_time
+
+
+@background
+def run_periodic_scans():
+    """
+    Runs periodic scans.
+    """
+    # ValidateAlbumThumbs()
+    # ValidatePlaylistThumbs()
+
+    while get_flag(ParserFlags.DO_PERIODIC_SCANS):
+        try:
+            Populate(key=get_random_str())
+        except PopulateCancelledError:
+            pass
+
+        if Ping()():
+            try:
+                CheckArtistImages()
+            except (RequestConnectionError, ReadTimeout):
+                log.error(
+                    "Internet connection lost. Downloading artist images stopped."
+                )
+
+        sleep_time = get_scan_sleep_time()
+        time.sleep(sleep_time)