fix: Use whoosh AsyncWriter to prevent write locks

frappe/search/full_text_search.py

@@ -8,6 +8,8 @@ from whoosh.index import create_in, open_dir, EmptyIndexError
 from whoosh.fields import TEXT, ID, Schema
 from whoosh.qparser import MultifieldParser, FieldsPlugin, WildcardPlugin
 from whoosh.query import Prefix
+from whoosh.writing import AsyncWriter
+
 
 class FullTextSearch:
 	""" Frappe Wrapper for Whoosh """
@@ -75,7 +77,7 @@ class FullTextSearch:
 		ix = self.get_index()
 
 		with ix.searcher():
-			writer = ix.writer()
+			writer = AsyncWriter(ix)
 			writer.delete_by_term(self.id, document[self.id])
 			writer.add_document(**document)
 			writer.commit(optimize=True)
@@ -135,4 +137,4 @@ class FullTextSearch:
 		return out
 
 def get_index_path(index_name):
-	return frappe.get_site_path("indexes", index_name)
+	return frappe.get_site_path("indexes", index_name)