From: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Date: Sun, 17 Aug 2025 16:13:57 +0000 (+0100)
Subject: GH-137841: Open tzdata/zones file with UTF-8 encoding (#137872)
X-Git-Tag: v3.15.0a1~665
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=25b97289e44414daf3c88d8e953a43360deacb73;p=thirdparty%2FPython%2Fcpython.git

GH-137841: Open tzdata/zones file with UTF-8 encoding (#137872)
---

diff --git a/Lib/zoneinfo/_tzpath.py b/Lib/zoneinfo/_tzpath.py
index 5db17bea045d..78fa6f00a859 100644
--- a/Lib/zoneinfo/_tzpath.py
+++ b/Lib/zoneinfo/_tzpath.py
@@ -124,7 +124,8 @@ def available_timezones():
     # Start with loading from the tzdata package if it exists: this has a
     # pre-assembled list of zones that only requires opening one file.
     try:
-        with resources.files("tzdata").joinpath("zones").open("r") as f:
+        zones_file = resources.files("tzdata").joinpath("zones")
+        with zones_file.open("r", encoding="utf-8") as f:
             for zone in f:
                 zone = zone.strip()
                 if zone: