From d229af6ddd0d06a97798f5451c77de837cca2318 Mon Sep 17 00:00:00 2001
From: Jonathan Slenders <jonathan@slenders.be>
Date: Thu, 16 May 2024 12:05:31 +0000
Subject: [PATCH] Limit number of completions to 5k (for performance).

---
 ptpython/completer.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ptpython/completer.py b/ptpython/completer.py
index 91d6647..264918e 100644
--- a/ptpython/completer.py
+++ b/ptpython/completer.py
@@ -6,6 +6,7 @@
 import keyword
 import re
 from enum import Enum
+from itertools import islice
 from typing import TYPE_CHECKING, Any, Callable, Iterable
 
 from prompt_toolkit.completion import (
@@ -617,7 +618,10 @@ def __init__(
     def get_completions(
         self, document: Document, complete_event: CompleteEvent
     ) -> Iterable[Completion]:
-        completions = list(self.completer.get_completions(document, complete_event))
+        completions = list(
+            # Limit at 5k completions for performance.
+            islice(self.completer.get_completions(document, complete_event), 0, 5000)
+        )
         complete_private_attributes = self.complete_private_attributes()
         hide_private = False