close_listeners: rename from "cleanup listeners" internally to "close…

… listeners"

asyncpg/connection.py

@@ -46,7 +46,7 @@ class Connection(metaclass=ConnectionMeta):
                  '_listeners', '_server_version', '_server_caps',
                  '_intro_query', '_reset_query', '_proxy',
                  '_stmt_exclusive_section', '_config', '_params', '_addr',
-                 '_log_listeners', '_cleanup_listeners', '_cancellations',
+                 '_log_listeners', '_close_listeners', '_cancellations',
                  '_source_traceback', '__weakref__')
 
     def __init__(self, protocol, transport, loop,
@@ -78,7 +78,7 @@ def __init__(self, protocol, transport, loop,
         self._listeners = {}
         self._log_listeners = set()
         self._cancellations = set()
-        self._cleanup_listeners = set()
+        self._close_listeners = set()
 
         settings = self._protocol.get_settings()
         ver_string = settings.server_version
@@ -186,11 +186,11 @@ def add_close_listener(self, callback):
             A callable receiving one argument:
             **connection**: a Connection the callback is registered with.
         """
-        self._cleanup_listeners.add(callback)
+        self._close_listeners.add(callback)
 
     def remove_close_listener(self, callback):
         """Remove a listening callback for the connection closing."""
-        self._cleanup_listeners.discard(callback)
+        self._close_listeners.discard(callback)
 
     def get_server_pid(self):
         """Return the PID of the Postgres server the connection is bound to."""
@@ -1134,7 +1134,7 @@ def _abort(self):
         self._protocol = None
 
     def _cleanup(self):
-        self._call_cleanup_listeners()
+        self._call_close_listeners()
         # Free the resources associated with this connection.
         # This must be called when a connection is terminated.
 
@@ -1252,12 +1252,12 @@ def _call_log_listener(self, cb, con_ref, message):
                 'exception': ex
             })
 
-    def _call_cleanup_listeners(self):
-        if not self._cleanup_listeners:
+    def _call_close_listeners(self):
+        if not self._close_listeners:
             return
 
         con_ref = self._unwrap()
-        for cb in self._cleanup_listeners:
+        for cb in self._close_listeners:
             try:
                 cb(con_ref)
             except Exception as ex:
@@ -1267,7 +1267,7 @@ def _call_cleanup_listeners(self):
                     'exception': ex
                 })
 
-        self._cleanup_listeners.clear()
+        self._close_listeners.clear()
 
     def _process_notification(self, pid, channel, payload):
         if channel not in self._listeners: