Deletes BLOB converter on close

Author: FraserChapman

addon.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<addon id="script.module.cache" name="cache" version="1.0.1" provider-name="fraser">
+<addon id="script.module.cache" name="cache" version="1.0.2" provider-name="fraser">
     <requires>
         <import addon="xbmc.python" version="2.26.0"/>
     </requires>
@@ -14,6 +14,6 @@ Can be used as a generic key/blob data store when used without directives
         <platform>all</platform>
         <email>fraser.chapman@gmail.com</email>
         <source>https://github.com/FraserChapman/script.module.cache</source>
-        <news>v1.0.1 (6-7-19) - Small bug-fix with Store class retrieve</news>
+        <news>v1.0.2 (14-7-19) - Deletes BLOB converter on close</news>
     </extension>
 </addon>

changelog.txt

@@ -1,2 +1,3 @@
+v1.0.2 - Deletes BLOB converter on close
 v1.0.1 - Small bug-fix with Store class retrieve
 v1.0.0 - Initial version

lib/cache.py

@@ -55,7 +55,7 @@ def datetime_to_httpdate(input_date):
 
 def conditional_headers(row):
     # type: (sqlite3.Row) -> dict
-    """Creates dict of conditional request headers based on row etag and last_modified"""
+    """Creates conditional request header dict based on etag and last_modified"""
     headers = {}
     if row["etag"] is not None:
         headers["If-None-Match"] = row["etag"]
@@ -92,7 +92,7 @@ def _save(self, data):
         # type: (set) -> None
         """Saves set of strings"""
         with Cache(self.db) as c:
-            if type(data) is set:
+            if isinstance(data, set):
                 c.set(self.key, data)
 
     def append(self, item):
@@ -267,9 +267,7 @@ def _open(self, name):
         sqlite3.enable_callback_tracebacks(True)
         sqlite3.register_converter("BLOB", Blob.deserialise)
         try:
-            self.connection = sqlite3.connect(name,
-                                              timeout=1,
-                                              detect_types=sqlite3.PARSE_DECLTYPES)
+            self.connection = sqlite3.connect(name, timeout=1, detect_types=sqlite3.PARSE_DECLTYPES)
         except sqlite3.Error as e:
             logger.debug(e)
             return
@@ -281,6 +279,9 @@ def _open(self, name):
     def _close(self):
         # type: () -> None
         """Closes any open connection and cursor"""
+        # remove module level register_converter 
+        # see: https://github.com/jdf76/plugin.video.youtube/issues/640
+        del sqlite3.converters["BLOB"]  
         if self.connection:
             self.connection.cursor().close()
             self.connection.close()