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gh-47798: Add a <code>subprocess.run_pipeline()</code> API
stdlib
Standard Library Python modules in the Lib/ directory
Standard Library Python modules in the Lib/ directory
topic-subprocess
Subprocess issues.
Subprocess issues.
type-feature
A feature request or enhancement
A feature request or enhancement
Status: Draft (not ready).
python/cpython
number 142080
#142080
In python/cpython;
·
gpshead
opened
on Nov 29, 2025
<code>test_subprocess</code> is flaky under <code>PYTHONWARNINGS=ignore</code>
tests
Tests in the Lib/test dir
Tests in the Lib/test dir
topic-subprocess
Subprocess issues.
Subprocess issues.
type-bug
An unexpected behavior, bug, or error
An unexpected behavior, bug, or error
Status: Open.
#138636
In python/cpython;
·
yihong0618
opened
on Sep 8, 2025
Windows shell subprocess fails to execute when PATH is sufficiently long and first argument is not a full path
OS-windows
topic-subprocess
Subprocess issues.
Subprocess issues.
type-bug
An unexpected behavior, bug, or error
An unexpected behavior, bug, or error
Status: Open.
#137254
In python/cpython;
·
boimart1
opened
on Jul 30, 2025
subprocess.Popen doesn't properly escape < or > for windows batch files
OS-windows
stdlib
Standard Library Python modules in the Lib/ directory
Standard Library Python modules in the Lib/ directory
topic-subprocess
Subprocess issues.
Subprocess issues.
type-bug
An unexpected behavior, bug, or error
An unexpected behavior, bug, or error
Status: Open.
#133545
In python/cpython;
·
jefsayshi
opened
on May 7, 2025
subprocess.Popen on windows cannot use default handles for stdin/stdout/stderr when some of them are redirected
OS-windows
topic-subprocess
Subprocess issues.
Subprocess issues.
type-bug
An unexpected behavior, bug, or error
An unexpected behavior, bug, or error
Status: Open.
#128424
In python/cpython;
·
panda-34
opened
on Jan 2, 2025
subprocess.run timeout does not function if shell=True and capture_output=True
stdlib
Standard Library Python modules in the Lib/ directory
Standard Library Python modules in the Lib/ directory
topic-subprocess
Subprocess issues.
Subprocess issues.
type-bug
An unexpected behavior, bug, or error
An unexpected behavior, bug, or error
Status: Open.
#121157
In python/cpython;
·
Mabeeck
opened
on Jun 29, 2024
subprocess.Popen() hangs: parent process hangs at os.read(errpipe_read) and child hangs at _posixsubprocess.fork_exec()
topic-subprocess
Subprocess issues.
Subprocess issues.
type-bug
An unexpected behavior, bug, or error
An unexpected behavior, bug, or error
Status: Open.
#120998
In python/cpython;
·
EricLin89
opened
on Jun 25, 2024
<code>subprocess.run</code> docs should recommend copying <code>os.environ</code> on Windows
docs
Documentation in the Doc dir
Documentation in the Doc dir
topic-subprocess
Subprocess issues.
Subprocess issues.
Status: Open.
#120836
In python/cpython;
·
ncoghlan
opened
on Jun 21, 2024
Cryptic <code>WinError</code> reported when subprocess execution fails with WSL path
OS-windows
topic-subprocess
Subprocess issues.
Subprocess issues.
type-bug
An unexpected behavior, bug, or error
An unexpected behavior, bug, or error
Status: Open.
#119646
In python/cpython;
·
ncoghlan
opened
on May 28, 2024
subprocess.run() defaults to the wrong text encoding under Windows
OS-windows
topic-subprocess
Subprocess issues.
Subprocess issues.
type-bug
An unexpected behavior, bug, or error
An unexpected behavior, bug, or error
Status: Open.
#105312
In python/cpython;
·
kunom
opened
on Jun 5, 2023
subprocess.check_call's <code>stdout=</code> write to the underlying file opened by bz2.open
stdlib
Standard Library Python modules in the Lib/ directory
Standard Library Python modules in the Lib/ directory
topic-subprocess
Subprocess issues.
Subprocess issues.
type-bug
An unexpected behavior, bug, or error
An unexpected behavior, bug, or error
Status: Open.
#105309
In python/cpython;
·
grapland0
opened
on Jun 5, 2023
posix subprocess should support timeout when waiting on the errpipe_read pipe
stdlib
Standard Library Python modules in the Lib/ directory
Standard Library Python modules in the Lib/ directory
topic-subprocess
Subprocess issues.
Subprocess issues.
type-bug
An unexpected behavior, bug, or error
An unexpected behavior, bug, or error
Status: Open.
#103911
In python/cpython;
·
gpshead
opened
on Apr 27, 2023
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