now chunk length is a parameter

src/servicex_did_finder_lib/servicex_adaptor.py

@@ -32,7 +32,6 @@
 
 
 MAX_RETRIES = 3
-CH_LEN = 30
 
 
 class ServiceXAdapter:
@@ -92,10 +91,10 @@ def put_file_add(self, file_info):
             self.logger.error(f'After {attempts} tries, failed to send ServiceX App a put_file '
                               f'message: {str(file_info)} - Ignoring error.')
 
-    def put_file_add_bulk(self, file_list):
+    def put_file_add_bulk(self, file_list, chunk_length=30):
         # we first chunk up file_list as it can be very large in
         # case there are a lot of replicas and a lot of files.
-        chunks = [file_list[i:i + CH_LEN] for i in range(0, len(file_list), CH_LEN)]
+        chunks = [file_list[i:i + chunk_length] for i in range(0, len(file_list), chunk_length)]
         for chunk in chunks:
             success = False
             attempts = 0