[issue1065986] Fix pydoc crashing on unicode strings

[Stefano Taschini]

Stefano Taschini <taschini at ieee.org> added the comment:

Oh well, in that case I guess we'll have to work around it.

Here's the monkey patch I use to overcome this limitation in pydoc, in case others wish to add it to their PYTHONSTARTUP or sitecustomize:

def pipepager(text, cmd):
    """Page through text by feeding it to another program."""
    try:
        import locale
    except ImportError:
        encoding = "ascii"
    else:
        encoding = locale.getpreferredencoding()
    pipe = os.popen(cmd, 'w')
    try:
        pipe.write(text.encode(encoding, 'xmlcharrefreplace') if isinstance(text, unicode) else text)
        pipe.close()
    except IOError:
        pass # Ignore broken pipes caused by quitting the pager program.
import pydoc
pydoc.pipepager = pipepager
del pydoc, pipepager

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue1065986>
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