diff options
| -rw-r--r-- | Doc/library/subprocess.rst | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst index 9f2f82d..4acbaa7 100644 --- a/Doc/library/subprocess.rst +++ b/Doc/library/subprocess.rst @@ -705,21 +705,29 @@ The following attributes are also available: .. attribute:: Popen.stdin - If the *stdin* argument was :data:`PIPE`, this attribute is a :term:`file - object` that provides input to the child process. Otherwise, it is ``None``. + If the *stdin* argument was :data:`PIPE`, this attribute is a writeable + stream object as returned by :func:`open`. If 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``. .. attribute:: Popen.stdout - If the *stdout* argument was :data:`PIPE`, this attribute is a :term:`file - object` that provides output from the child process. Otherwise, it is ``None``. - + 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 *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 - If the *stderr* argument was :data:`PIPE`, this attribute is a :term:`file - object` that provides error output from the child process. Otherwise, it is - ``None``. + 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 *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``. .. attribute:: Popen.pid |