https://github.com/python/cpython/commit/dcd27aace180737adaddc79c00c181816fc6e162
commit: dcd27aace180737adaddc79c00c181816fc6e162
branch: main
author: Hood Chatham <[email protected]>
committer: freakboy3742 <[email protected]>
date: 2025-07-16T17:53:47+02:00
summary:

gh-127146: Emscripten: Don't need to avoid unpaired surrogate anymore (#136707)

This might have been fixed by gh-136624, or by some Emscripten change.
In any case, it no longer seems to be needed.

files:
M Lib/test/test_warnings/__init__.py

diff --git a/Lib/test/test_warnings/__init__.py 
b/Lib/test/test_warnings/__init__.py
index 5c3b1250ceb045..f89e94449b3031 100644
--- a/Lib/test/test_warnings/__init__.py
+++ b/Lib/test/test_warnings/__init__.py
@@ -555,13 +555,7 @@ def test_warn_explicit_non_ascii_filename(self):
         with self.module.catch_warnings(record=True) as w:
             self.module.resetwarnings()
             self.module.filterwarnings("always", category=UserWarning)
-            filenames = ["nonascii\xe9\u20ac"]
-            if not support.is_emscripten:
-                # JavaScript does not like surrogates.
-                # Invalid UTF-8 leading byte 0x80 encountered when
-                # deserializing a UTF-8 string in wasm memory to a JS
-                # string!
-                filenames.append("surrogate\udc80")
+            filenames = ["nonascii\xe9\u20ac", "surrogate\udc80"]
             for filename in filenames:
                 try:
                     os.fsencode(filename)

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