Catch exceptions raised in pstats add (repl)

[llllllllll]

BPO	27241
Nosy	@birkenfeld, @skrah, @llllllllll
Files	catch-pstats-add.patch

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = 'https://github.com/skrah'
closed_at = <Date 2016-08-02.20:35:42.767>
created_at = <Date 2016-06-06.17:46:56.997>
labels = ['type-feature']
title = 'Catch exceptions raised in pstats add (repl)'
updated_at = <Date 2016-08-02.20:35:42.766>
user = 'https://github.com/llllllllll'

bugs.python.org fields:

activity = <Date 2016-08-02.20:35:42.766>
actor = 'skrah'
assignee = 'skrah'
closed = True
closed_date = <Date 2016-08-02.20:35:42.767>
closer = 'skrah'
components = ['Demos and Tools']
creation = <Date 2016-06-06.17:46:56.997>
creator = 'llllllllll'
dependencies = []
files = ['43262']
hgrepos = []
issue_num = 27241
keywords = ['patch']
message_count = 4.0
messages = ['267542', '271840', '271848', '271849']
nosy_count = 4.0
nosy_names = ['georg.brandl', 'skrah', 'python-dev', 'llllllllll']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue27241'
versions = ['Python 3.5', 'Python 3.6']

[llllllllll]

I was trying to add a file and accidently mistyped the name which crashed the repl session. I think it would be nicer to report the failure but bring me back to the prompt so I can decide what I would like to do.

This patch catches any IOErrors that can be raised when adding a file in the repl, reports it to the user, and then returns them to the repl.

[llllllllll]

bump

[python-dev]

New changeset d9e25fe35f46 by Stefan Krah in branch '3.5':
Issue bpo-27241: Catch exception when running pstats as main.
https://hg.python.org/cpython/rev/d9e25fe35f46

[skrah]

Yes, I agree this is nicer. Thanks for the patch.