New submission from David Evans:
The pager functions used by help() in StdLib's pydoc.py don't detect IronPython
correctly and the result is a lack of functionality or in some cases a hang.
This is similar to issue 8110 in that the code attempts to detect windows with
a check for "win32" from sys.platform and needs to check for "cli" as well to
detect IronPython running on mono on linux/mac os or on windows.
My naive change to workaround the problem was to add the two line test for
"cli" amidst getpager() here:
if sys.platform == 'win32' or sys.platform.startswith('os2'):
return lambda text: tempfilepager(plain(text), 'more <')
if sys.platform == 'cli':
return plainpager # IronPython
if hasattr(os, 'system') and os.system('(less) 2>/dev/null') == 0:
return lambda text: pipepager(text, 'less')
That two line addition allowed basic function and prevents the hang though
maybe there is a better pager type that would work on IronPython. In our linux
and windows tests though neither the tempfilepager nor pipepager would function
on either platform.
I submitted the report to the IronPython issues tracker and someone there
suggested posting the patch here.
----------
components: Windows
messages: 201750
nosy: owlmonkey
priority: normal
severity: normal
status: open
title: pydoc.py doesn't detect IronPython, help(foo) can hang
type: crash
versions: Python 2.7
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Python tracker <[email protected]>
<http://bugs.python.org/issue19453>
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