https://github.com/python/cpython/commit/c83d3d789eec9db1fc5ce00d1a320afe20d725fa
commit: c83d3d789eec9db1fc5ce00d1a320afe20d725fa
branch: main
author: Hood Chatham <[email protected]>
committer: freakboy3742 <[email protected]>
date: 2026-06-05T13:59:43+08:00
summary:
gh-145177: Bump emscripten version to 4.0.19 (#150926)
Bumpts the emscripten version to 4.0.19.
files:
M Lib/test/test_platform.py
M Platforms/emscripten/config.toml
M Platforms/emscripten/streams.mjs
diff --git a/Lib/test/test_platform.py b/Lib/test/test_platform.py
index 9ee97b922ad48e..63c130813ec497 100644
--- a/Lib/test/test_platform.py
+++ b/Lib/test/test_platform.py
@@ -534,7 +534,7 @@ def test_ios_ver(self):
def test_libc_ver(self):
if support.is_emscripten:
- assert platform.libc_ver() == ("emscripten", "4.0.12")
+ assert platform.libc_ver() == ("emscripten", "4.0.19")
return
# check that libc_ver(executable) doesn't raise an exception
if os.path.isdir(sys.executable) and \
diff --git a/Platforms/emscripten/config.toml b/Platforms/emscripten/config.toml
index ba2dc8f4a482bf..401e9396ddbb00 100644
--- a/Platforms/emscripten/config.toml
+++ b/Platforms/emscripten/config.toml
@@ -1,7 +1,7 @@
# Any data that can vary between Python versions is to be kept in this file.
# This allows for blanket copying of the Emscripten build code between
supported
# Python versions.
-emscripten-version = "4.0.12"
+emscripten-version = "4.0.19"
node-version = "24"
test-args = [
"-m", "test",
diff --git a/Platforms/emscripten/streams.mjs b/Platforms/emscripten/streams.mjs
index 76ad79f9247f4c..1b121d48d4e76c 100644
--- a/Platforms/emscripten/streams.mjs
+++ b/Platforms/emscripten/streams.mjs
@@ -112,7 +112,7 @@ const prepareBuffer = (buffer, offset, length) =>
const TTY_OPS = {
ioctl_tiocgwinsz(tty) {
- return tty.devops.ioctl_tiocgwinsz?.();
+ return tty.devops.ioctl_tiocgwinsz?.() ?? [24, 80];
},
};
@@ -188,6 +188,10 @@ class NodeReader {
fsync() {
nodeFsync(this.nodeStream.fd);
}
+
+ ioctl_tiocgwinsz() {
+ return [this.nodeStream.rows ?? 24, this.nodeStream.columns ?? 80];
+ }
}
class NodeWriter {
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