[issue23792] help crash leaves terminal in raw mode

[Berker Peksag]

Berker Peksag added the comment:

This looks like a duplicate of issue 21398. I can reproduce it with Python 3.4.1 (compiled myself) on Ubuntu 12.04.

>>> help(str)

Ctrl-C

:Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python3.4/_sitebuiltins.py", line 103, in __call__
    return pydoc.help(*args, **kwds)
  File "/usr/local/lib/python3.4/pydoc.py", line 1817, in __call__
    self.help(request)
  File "/usr/local/lib/python3.4/pydoc.py", line 1867, in help
    else: doc(request, 'Help on %s:', output=self._output)
  File "/usr/local/lib/python3.4/pydoc.py", line 1603, in doc
    pager(render_doc(thing, title, forceload))
  File "/usr/local/lib/python3.4/pydoc.py", line 1411, in pager
    pager(text)
  File "/usr/local/lib/python3.4/pydoc.py", line 1431, in <lambda>
    return lambda text: pipepager(text, 'less')
  File "/usr/local/lib/python3.4/pydoc.py", line 1453, in pipepager
    pipe.close()
  File "/usr/local/lib/python3.4/os.py", line 957, in close
    returncode = self._proc.wait()
  File "/usr/local/lib/python3.4/subprocess.py", line 1565, in wait
    (pid, sts) = self._try_wait(0)
  File "/usr/local/lib/python3.4/subprocess.py", line 1513, in _try_wait
    (pid, sts) = _eintr_retry_call(os.waitpid, self.pid, wait_flags)
  File "/usr/local/lib/python3.4/subprocess.py", line 491, in _eintr_retry_call
    return func(*args)
KeyboardInterrupt

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nosy: +berker.peksag

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<http://bugs.python.org/issue23792>
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