From 8ba22b90cafdf83d26318905a021311c6932d2c0 Mon Sep 17 00:00:00 2001
From: Dennis Sweeney <36520290+sweeneyde@users.noreply.github.com>
Date: Tue, 30 Aug 2022 21:39:51 -0400
Subject: gh-95865: Speed up urllib.parse.quote_from_bytes() (GH-95872)

---
 Lib/urllib/parse.py                                                    | 2 +-
 Misc/NEWS.d/next/Library/2022-08-11-03-16-48.gh-issue-95865.0IOkFP.rst | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)
 create mode 100644 Misc/NEWS.d/next/Library/2022-08-11-03-16-48.gh-issue-95865.0IOkFP.rst

diff --git a/Lib/urllib/parse.py b/Lib/urllib/parse.py
index fd6d9f4..f25c770 100644
--- a/Lib/urllib/parse.py
+++ b/Lib/urllib/parse.py
@@ -906,7 +906,7 @@ def quote_from_bytes(bs, safe='/'):
     if not bs.rstrip(_ALWAYS_SAFE_BYTES + safe):
         return bs.decode()
     quoter = _byte_quoter_factory(safe)
-    return ''.join([quoter(char) for char in bs])
+    return ''.join(map(quoter, bs))
 
 def urlencode(query, doseq=False, safe='', encoding=None, errors=None,
               quote_via=quote_plus):
diff --git a/Misc/NEWS.d/next/Library/2022-08-11-03-16-48.gh-issue-95865.0IOkFP.rst b/Misc/NEWS.d/next/Library/2022-08-11-03-16-48.gh-issue-95865.0IOkFP.rst
new file mode 100644
index 0000000..aa7c73f
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2022-08-11-03-16-48.gh-issue-95865.0IOkFP.rst
@@ -0,0 +1 @@
+Speed up :func:`urllib.parse.quote_from_bytes` by replacing a list comprehension with ``map()``.
-- 
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