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| -rw-r--r-- | Doc/library/subprocess.rst | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst index 5988bd3..e37cc98 100644 --- a/Doc/library/subprocess.rst +++ b/Doc/library/subprocess.rst @@ -738,10 +738,11 @@ Instances of the :class:`Popen` class have the following methods: .. method:: Popen.communicate(input=None, timeout=None) Interact with process: Send data to stdin. Read data from stdout and stderr, - until end-of-file is reached. Wait for process to terminate. The optional - *input* argument should be data to be sent to the child process, or - ``None``, if no data should be sent to the child. If streams were opened in - text mode, *input* must be a string. Otherwise, it must be bytes. + until end-of-file is reached. Wait for process to terminate and set the + :attr:`~Popen.returncode` attribute. The optional *input* argument should be + data to be sent to the child process, or ``None``, if no data should be sent + to the child. If streams were opened in text mode, *input* must be a string. + Otherwise, it must be bytes. :meth:`communicate` returns a tuple ``(stdout_data, stderr_data)``. The data will be strings if streams were opened in text mode; otherwise, |