Commit Graph

18 Commits

Author SHA1 Message Date
Yury Selivanov 7657f6ba21 Issue #26848: Fix asyncio/subprocess.communicate() to handle empty input. 2016-05-13 15:35:28 -04:00
Victor Stinner eaf16abc68 asyncio: sync with github
* Fix ResourceWarning warnings in test_streams
* Return True from StreamReader.eof_received() to fix
  http://bugs.python.org/issue24539 (but still needs a unittest).
  Add StreamReader.__repr__() for easy debugging.
* remove unused imports
* Issue #234: Drop JoinableQueue on Python 3.5+
2015-07-25 02:40:40 +02:00
Victor Stinner 1241ecc21b Issue #23347, asyncio: Make BaseSubprocessTransport.wait() private 2015-01-30 00:16:14 +01:00
Victor Stinner 47cd10d7a9 asyncio: sync with Tulip
Issue #23347: send_signal(), kill() and terminate() methods of
BaseSubprocessTransport now check if the transport was closed and if the
process exited.

Issue #23347: Refactor creation of subprocess transports. Changes on
BaseSubprocessTransport:

* Add a wait() method to wait until the child process exit
* The constructor now accepts an optional waiter parameter. The _post_init()
  coroutine must not be called explicitly anymore. It makes subprocess
  transports closer to other transports, and it gives more freedom if we want
  later to change completly how subprocess transports are created.
* close() now kills the process instead of kindly terminate it: the child
  process may ignore SIGTERM and continue to run. Call explicitly terminate()
  and wait() if you want to kindly terminate the child process.
* close() now logs a warning in debug mode if the process is still running and
  needs to be killed
* _make_subprocess_transport() is now fully asynchronous again: if the creation
  of the transport failed, wait asynchronously for the process eixt. Before the
  wait was synchronous. This change requires close() to *kill*, and not
  terminate, the child process.
* Remove the _kill_wait() method, replaced with a more agressive close()
  method. It fixes _make_subprocess_transport() on error.
  BaseSubprocessTransport.close() calls the close() method of pipe transports,
  whereas _kill_wait() closed directly pipes of the subprocess.Popen object
  without unregistering file descriptors from the selector (which caused severe
  bugs).

These changes simplifies the code of subprocess.py.
2015-01-30 00:05:19 +01:00
Victor Stinner 791009bb89 Issue #23242: asyncio.SubprocessStreamProtocol now closes the subprocess
transport at subprocess exit.

Clear also its reference to the transport.
2015-01-15 13:16:02 +01:00
Victor Stinner f651a60407 Python issue #23173: sync with Tulip
* If an exception is raised during the creation of a subprocess, kill the
  subprocess (close pipes, kill and read the return status). Log an error in
  such case.
* Fix SubprocessStreamProtocol.connection_made() to handle cancelled waiter.
  Add unit test cancelling subprocess methods.
2015-01-14 02:10:33 +01:00
Victor Stinner c447ba04e7 Issue #23140, asyncio: Fix cancellation of Process.wait(). Check the state of
the waiter future before setting its result.
2015-01-06 01:13:49 +01:00
Victor Stinner 5ef586f25a Closes #22685, asyncio: Set the transport of stdout and stderr StreamReader
objects in the SubprocessStreamProtocol. It allows to pause the transport to
not buffer too much stdout or stderr data.
2014-11-25 17:20:33 +01:00
Victor Stinner d55b54d5c0 asyncio, tulip issue 190: Process.communicate() now ignores
ConnectionResetError too
2014-07-17 13:12:03 +02:00
Victor Stinner cc996b5789 asyncio, tulip issue 190: Process.communicate() must ignore BrokenPipeError
If you want to handle the BrokenPipeError, you can easily reimplement
communicate().

Add also a unit test to ensure that stdin.write() + stdin.drain() raises
BrokenPipeError.
2014-07-17 12:25:27 +02:00
Victor Stinner acdb782a83 asyncio: sync with Tulip
* Tulip issue #184: Log subprocess events in debug mode

  - Log stdin, stdout and stderr transports and protocols
  - Log process identifier (pid)
  - Log connection of pipes
  - Log process exit
  - Log Process.communicate() tasks: feed stdin, read stdout and stderr
  - Add __repr__() method to many classes related to subprocesses


* Add BaseSubprocessTransport._pid attribute. Store the pid so it is still
  accessible after the process exited. It's more convinient for debug.

* create_connection(): add the socket in the "connected to" debug log

* Clean up some docstrings and comments. Remove unused unimplemented
  _read_from_self().
2014-07-14 18:33:40 +02:00
Victor Stinner f951d28ac8 asyncio: sync with Tulip, add a new asyncio.coroutines module 2014-06-29 00:46:45 +02:00
Victor Stinner 8d0230b0f2 asyncio.subprocess: Fix a race condition in communicate()
Use self._loop instead of self._transport._loop, because transport._loop is set
to None at process exit.
2014-02-20 10:12:59 +01:00
Yury Selivanov 57797521bd asyncio: pep8-ify the code. 2014-02-18 22:56:15 -05:00
Victor Stinner 20e0743a56 asyncio, Tulip issue 130: Add more checks on subprocess_exec/subprocess_shell
parameters
2014-02-11 11:44:56 +01:00
Victor Stinner 0c3949c963 asyncio: Remove Process.subprocess attribute; it's too easy to get inconsistent
Process and Popen objects
2014-02-09 02:51:40 +01:00
Victor Stinner b79eb0502c asyncio.subprocess: Replace Process.get_subprocess() method with a
Process.subprocess read-only property
2014-02-03 23:08:14 +01:00
Victor Stinner 915bcb0111 Issue #20400: Merge Tulip into Python: add the new asyncio.subprocess module
* Add a new asyncio.subprocess module
* Add new create_subprocess_exec() and create_subprocess_shell() functions
* The new asyncio.subprocess.SubprocessStreamProtocol creates stream readers
  for stdout and stderr and a stream writer for stdin.
* The new asyncio.subprocess.Process class offers an API close to the
  subprocess.Popen class:

  - pid, returncode, stdin, stdout and stderr attributes
  - communicate(), wait(), send_signal(), terminate() and kill() methods

* Remove STDIN (0), STDOUT (1) and STDERR (2) constants from base_subprocess
  and unix_events, to not be confused with the symbols with the same name of
  subprocess and asyncio.subprocess modules
* _ProactorBasePipeTransport.get_write_buffer_size() now counts also the size
  of the pending write
* _ProactorBaseWritePipeTransport._loop_writing() may now pause the protocol if
  the write buffer size is greater than the high water mark (64 KB by default)
2014-02-01 22:49:59 +01:00