Report failing url in URLError?

[ncoghlan]

BPO	16247
Nosy	@ncoghlan, @orsenthil, @ezio-melotti, @iritkatriel

^{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 = None
closed_at = None
created_at = <Date 2012-10-16.12:31:20.745>
labels = ['type-bug', 'library']
title = 'Report failing url in URLError?'
updated_at = <Date 2021-12-13.02:07:40.861>
user = 'https://github.com/ncoghlan'

bugs.python.org fields:

activity = <Date 2021-12-13.02:07:40.861>
actor = 'orsenthil'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2012-10-16.12:31:20.745>
creator = 'ncoghlan'
dependencies = []
files = []
hgrepos = []
issue_num = 16247
keywords = []
message_count = 5.0
messages = ['173035', '173036', '173494', '407759', '408419']
nosy_count = 4.0
nosy_names = ['ncoghlan', 'orsenthil', 'ezio.melotti', 'iritkatriel']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'needs patch'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue16247'
versions = ['Python 3.3', 'Python 3.4']

[ncoghlan]

Trying to streamline the URL retrieval example in the concurrent.futures docs were severely hampered by the fact the URLError thrown by urlopen doesn't tell you *what URL* it was trying to retrieve when it failed.

This is OK in synchronous code (where you probably still have the URL around), but quite a pain in asynchronous code (such as that using concurrent.futures) where the original context may have been lost by the time the future is signalled.

[ezio-melotti]

See also bpo-10836 and msg172988.

[orsenthil]

The URLError changes gone in as part of fix for bpo-10836 should give e.filename and e.reason.

[iritkatriel]

Senthil, can this issue be closed now or is there something left to do?

[orsenthil]

It is going to take a few weeks for me to get to my alerts, I will address
this as soon as I get to it .

Thanks for the triage, Irit.

On Mon, Dec 13, 2021, 12:31 AM Irit Katriel <report@bugs.python.org> wrote:

Change by Irit Katriel <iritkatriel@gmail.com>:

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status: open -> pending

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Python tracker <report@bugs.python.org>
<https://bugs.python.org/issue16247\>

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[iritkatriel]

@orsenthil ping.

[arhadthedev]

Closing due to no feedback for four month after a last ping. Feel free to reopen if the referenced gh-55045 did not fix this issue.