https://github.com/python/cpython/commit/7f8fc07e850d7b27a220c815db8c8abd545286c3
commit: 7f8fc07e850d7b27a220c815db8c8abd545286c3
branch: main
author: Jonathan Dung <[email protected]>
committer: kumaraditya303 <[email protected]>
date: 2026-07-18T17:40:37+05:30
summary:
gh-149319: Make `asyncio` REPL respect `-I` and `-E` options (#149405)
files:
A Misc/NEWS.d/next/Library/2026-05-06-23-13-40.gh-issue-149319.PLM93t.rst
M Lib/asyncio/__main__.py
diff --git a/Lib/asyncio/__main__.py b/Lib/asyncio/__main__.py
index 7f0565d0b8ddc76..708fdd595971e85 100644
--- a/Lib/asyncio/__main__.py
+++ b/Lib/asyncio/__main__.py
@@ -99,7 +99,7 @@ def run(self):
console.write(banner)
- if not sys.flags.isolated and (startup_path :=
os.getenv("PYTHONSTARTUP")):
+ if not sys.flags.ignore_environment and (startup_path :=
os.getenv("PYTHONSTARTUP")):
sys.audit("cpython.run_startup", startup_path)
try:
import tokenize
@@ -200,7 +200,7 @@ def interrupt(self) -> None:
sys.audit("cpython.run_stdin")
- if os.getenv('PYTHON_BASIC_REPL'):
+ if not sys.flags.ignore_environment and os.getenv('PYTHON_BASIC_REPL'):
CAN_USE_PYREPL = False
else:
try:
diff --git
a/Misc/NEWS.d/next/Library/2026-05-06-23-13-40.gh-issue-149319.PLM93t.rst
b/Misc/NEWS.d/next/Library/2026-05-06-23-13-40.gh-issue-149319.PLM93t.rst
new file mode 100644
index 000000000000000..4018ec43f5a47d9
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2026-05-06-23-13-40.gh-issue-149319.PLM93t.rst
@@ -0,0 +1 @@
+The :mod:`asyncio` REPL now ignores :envvar:`PYTHONSTARTUP` and
:envvar:`PYTHON_BASIC_REPL` when :option:`-E` or :option:`-I` is used. Patch by
Jonathan Dung.
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