From 59a633d3e2071d65aa6638da5cf767a5c1310271 Mon Sep 17 00:00:00 2001
From: Graham Inggs <ginggs@debian.org>
Date: Fri, 15 Oct 2021 11:38:55 +0200
Subject: [PATCH] bpo-45428: Fix reading filenames from stdin in py_compile
 (GH-28848)

Strip trailing '\n'.
---
 Lib/py_compile.py                                               | 2 +-
 .../next/Library/2021-10-14-18-04-17.bpo-45428.mM2War.rst       | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)
 create mode 100644 Misc/NEWS.d/next/Library/2021-10-14-18-04-17.bpo-45428.mM2War.rst

diff --git a/Lib/py_compile.py b/Lib/py_compile.py
index 0f9b59025ce..388614e51b1 100644
--- a/Lib/py_compile.py
+++ b/Lib/py_compile.py
@@ -190,7 +190,7 @@ def main():
     )
     args = parser.parse_args()
     if args.filenames == ['-']:
-        filenames = sys.stdin.readlines()
+        filenames = [filename.rstrip('\n') for filename in sys.stdin.readlines()]
     else:
         filenames = args.filenames
     for filename in filenames:
diff --git a/Misc/NEWS.d/next/Library/2021-10-14-18-04-17.bpo-45428.mM2War.rst b/Misc/NEWS.d/next/Library/2021-10-14-18-04-17.bpo-45428.mM2War.rst
new file mode 100644
index 00000000000..556eca43ed3
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2021-10-14-18-04-17.bpo-45428.mM2War.rst
@@ -0,0 +1 @@
+Fix a regression in py_compile when reading filenames from standard input.
\ No newline at end of file