diff options
| -rw-r--r-- | Doc/library/subprocess.rst | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst index 785251afdf2..a87369a2461 100644 --- a/Doc/library/subprocess.rst +++ b/Doc/library/subprocess.rst @@ -457,7 +457,7 @@ functions. - :const:`0` means unbuffered (read and write are one system call and can return short) - :const:`1` means line buffered - (only usable if ``universal_newlines=True`` i.e., in a text mode) + (only usable if ``text=True`` or ``universal_newlines=True``) - any other positive value means use a buffer of approximately that size - negative bufsize (the default) means the system default of @@ -847,7 +847,8 @@ Instances of the :class:`Popen` class have the following methods: On Windows :meth:`kill` is an alias for :meth:`terminate`. -The following attributes are also available: +The following attributes are also set by the class for you to access. +Reassigning them to new values is unsupported: .. attribute:: Popen.args @@ -860,9 +861,9 @@ The following attributes are also available: If the *stdin* argument was :data:`PIPE`, this attribute is a writeable stream object as returned by :func:`open`. If the *encoding* or *errors* - arguments were specified or the *universal_newlines* argument was ``True``, - the stream is a text stream, otherwise it is a byte stream. If the *stdin* - argument was not :data:`PIPE`, this attribute is ``None``. + arguments were specified or the *text* or *universal_newlines* argument + was ``True``, the stream is a text stream, otherwise it is a byte stream. + If the *stdin* argument was not :data:`PIPE`, this attribute is ``None``. .. attribute:: Popen.stdout @@ -870,9 +871,9 @@ The following attributes are also available: If the *stdout* argument was :data:`PIPE`, this attribute is a readable stream object as returned by :func:`open`. Reading from the stream provides output from the child process. If the *encoding* or *errors* arguments were - specified or the *universal_newlines* argument was ``True``, the stream is a - text stream, otherwise it is a byte stream. If the *stdout* argument was not - :data:`PIPE`, this attribute is ``None``. + specified or the *text* or *universal_newlines* argument was ``True``, the + stream is a text stream, otherwise it is a byte stream. If the *stdout* + argument was not :data:`PIPE`, this attribute is ``None``. .. attribute:: Popen.stderr @@ -880,9 +881,9 @@ The following attributes are also available: If the *stderr* argument was :data:`PIPE`, this attribute is a readable stream object as returned by :func:`open`. Reading from the stream provides error output from the child process. If the *encoding* or *errors* arguments - were specified or the *universal_newlines* argument was ``True``, the stream - is a text stream, otherwise it is a byte stream. If the *stderr* argument was - not :data:`PIPE`, this attribute is ``None``. + were specified or the *text* or *universal_newlines* argument was ``True``, the + stream is a text stream, otherwise it is a byte stream. If the *stderr* argument + was not :data:`PIPE`, this attribute is ``None``. .. warning:: |