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Update subprocess.Popen documentation wrt universal_newlines arg (GH-10337) 

* universal_newlines defaulting to False would suggest, that not
  specifying universal_newlines explicitly and setting text to True
  should cause an error, which is not the case.
* The run function didn't have the universal_newlines parameter
  documented
* The check_output function didn't have its text parameter documented
(cherry picked from commit 7432f0929f)

Co-authored-by: Jakub Stasiak <jakub@stasiak.at>
This commit is contained in:
Miss Islington (bot) 2018-11-11 19:48:09 -08:00 committed by GitHub
parent aa493b5c18
commit 7a90504261
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1 changed files with 8 additions and 3 deletions
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Doc/library/subprocess.rst
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@ -39,7 +39,8 @@ compatibility with older versions, see the :ref:`call-function-trio` section.
.. function:: run(args, *, stdin=None, input=None, stdout=None, stderr=None,\
capture_output=False, shell=False, cwd=None, timeout=None, \
check=False, encoding=None, errors=None, text=None, env=None)
check=False, encoding=None, errors=None, text=None, env=None, \
universal_newlines=None)
Run the command described by *args*. Wait for command to complete, then
return a :class:`CompletedProcess` instance.
@ -334,7 +335,7 @@ functions.
.. class:: Popen(args, bufsize=-1, executable=None, stdin=None, stdout=None, \
stderr=None, preexec_fn=None, close_fds=True, shell=False, \
cwd=None, env=None, universal_newlines=False, \
cwd=None, env=None, universal_newlines=None, \
startupinfo=None, creationflags=0, restore_signals=True, \
start_new_session=False, pass_fds=(), *, \
encoding=None, errors=None, text=None)
@ -1055,7 +1056,7 @@ calls these functions.
.. function:: check_output(args, *, stdin=None, stderr=None, shell=False, \
cwd=None, encoding=None, errors=None, \
universal_newlines=False, timeout=None)
universal_newlines=None, timeout=None, text=None)
Run command with arguments and return its output.
@ -1101,6 +1102,10 @@ calls these functions.
.. versionchanged:: 3.6
*encoding* and *errors* were added. See :func:`run` for details.
.. versionadded:: 3.7
*text* was added as a more readable alias for *universal_newlines*.
.. _subprocess-replacements:
Replacing Older Functions with the :mod:`subprocess` Module