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gh-47937: Note that Popen attributes are read-only #93070

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merged 3 commits into from
Feb 8, 2023

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slateny
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@slateny slateny commented May 22, 2022

#47937

https://docs.python.org/3/library/subprocess.html#subprocess.Popen.args

Couldn't find the mentioned __setattr__, but for example, Popen's stdin is set by p2cwrite, which is given by the argument's stdin, which gets set by _get_handles by platform. All this seems to imply that the attributes are not intended to be set other than from the constructor.

@bedevere-bot bedevere-bot added docs Documentation in the Doc dir awaiting review labels May 22, 2022
@kumaraditya303 kumaraditya303 added needs backport to 3.10 only security fixes needs backport to 3.11 only security fixes labels Oct 18, 2022
@gpshead gpshead merged commit 027adf4 into python:main Feb 8, 2023
@miss-islington
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Thanks @slateny for the PR, and @gpshead for merging it 🌮🎉.. I'm working now to backport this PR to: 3.10, 3.11.
🐍🍒⛏🤖

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Sorry @slateny and @gpshead, I had trouble checking out the 3.11 backport branch.
Please retry by removing and re-adding the "needs backport to 3.11" label.
Alternatively, you can backport using cherry_picker on the command line.
cherry_picker 027adf42cd85db41fee05b0a40d89ef822876c97 3.11

@gpshead gpshead removed the needs backport to 3.11 only security fixes label Feb 8, 2023
miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Feb 8, 2023
)

* Note that Popen attributes aren't meant to be set by users by rewording the text about the attributes.
* Also update some universal_newlines references to mention the modern text parameter name while in the area.

(cherry picked from commit 027adf4)

Co-authored-by: Stanley <46876382+slateny@users.noreply.github.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
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GH-101683 is a backport of this pull request to the 3.10 branch.

@bedevere-bot bedevere-bot removed the needs backport to 3.10 only security fixes label Feb 8, 2023
@gpshead gpshead added needs backport to 3.10 only security fixes needs backport to 3.11 only security fixes labels Feb 8, 2023
@miss-islington
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Thanks @slateny for the PR, and @gpshead for merging it 🌮🎉.. I'm working now to backport this PR to: 3.10.
🐍🍒⛏🤖

@miss-islington
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Thanks @slateny for the PR, and @gpshead for merging it 🌮🎉.. I'm working now to backport this PR to: 3.11.
🐍🍒⛏🤖

miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Feb 8, 2023
)

* Note that Popen attributes aren't meant to be set by users by rewording the text about the attributes.
* Also update some universal_newlines references to mention the modern text parameter name while in the area.

(cherry picked from commit 027adf4)

Co-authored-by: Stanley <46876382+slateny@users.noreply.github.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Feb 8, 2023
)

* Note that Popen attributes aren't meant to be set by users by rewording the text about the attributes.
* Also update some universal_newlines references to mention the modern text parameter name while in the area.

(cherry picked from commit 027adf4)

Co-authored-by: Stanley <46876382+slateny@users.noreply.github.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
@bedevere-bot
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GH-101684 is a backport of this pull request to the 3.11 branch.

@bedevere-bot bedevere-bot removed the needs backport to 3.11 only security fixes label Feb 8, 2023
ambv pushed a commit that referenced this pull request Feb 8, 2023
…101684)

* Note that Popen attributes aren't meant to be set by users by rewording the text about the attributes.
* Also update some universal_newlines references to mention the modern text parameter name while in the area.

(cherry picked from commit 027adf4)

Co-authored-by: Stanley <46876382+slateny@users.noreply.github.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
ambv pushed a commit that referenced this pull request Feb 8, 2023
…101683)

* Note that Popen attributes aren't meant to be set by users by rewording the text about the attributes.
* Also update some universal_newlines references to mention the modern text parameter name while in the area.

(cherry picked from commit 027adf4)

Co-authored-by: Stanley <46876382+slateny@users.noreply.github.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
carljm added a commit to carljm/cpython that referenced this pull request Feb 9, 2023
* main: (82 commits)
  pythongh-101670: typo fix in PyImport_ExtendInittab() (python#101723)
  pythonGH-99293: Document that `Py_TPFLAGS_VALID_VERSION_TAG` shouldn't be used. (#pythonGH-101736)
  no-issue: Add Dong-hee Na as the cjkcodecs codeowner (pythongh-101731)
  pythongh-101678: Merge math_1_to_whatever() and math_1() (python#101730)
  pythongh-101678: refactor the math module to use special functions from c11 (pythonGH-101679)
  pythongh-85984: Remove legacy Lib/pty.py code. (python#92365)
  pythongh-98831: Use opcode metadata for stack_effect() (python#101704)
  pythongh-101283: Version was just released, so should be changed in 3.11.3 (pythonGH-101719)
  pythongh-101283: Fix use of unbound variable (pythonGH-101712)
  pythongh-101283: Improved fallback logic for subprocess with shell=True on Windows (pythonGH-101286)
  pythongh-101277: Port more itertools static types to heap types (python#101304)
  pythongh-98831: Modernize CALL and family (python#101508)
  pythonGH-101696: invalidate type version tag in `_PyStaticType_Dealloc` (python#101697)
  pythongh-100221: Fix creating dirs in `make sharedinstall` (pythonGH-100329)
  pythongh-101670: typo fix in PyImport_AppendInittab() (pythonGH-101672)
  pythongh-101196: Make isdir/isfile/exists faster on Windows (pythonGH-101324)
  pythongh-101614: Don't treat python3_d.dll as a Python DLL when checking extension modules for incompatibility (pythonGH-101615)
  pythongh-100933: Improve `check_element` helper in `test_xml_etree` (python#100934)
  pythonGH-101578: Normalize the current exception (pythonGH-101607)
  pythongh-47937: Note that Popen attributes are read-only (python#93070)
  ...
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6 participants