pydoc -p 0 says the server is available at localhost:0

[mineo]

BPO	18905
Nosy	@berkerpeksag, @serhiy-storchaka, @mineo
Files	pydoc-port.patch pydoc_port_2.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/serhiy-storchaka'
closed_at = <Date 2014-11-27.22:54:39.273>
created_at = <Date 2013-09-02.16:49:20.249>
labels = ['type-bug', 'library']
title = 'pydoc -p 0 says the server is available at localhost:0'
updated_at = <Date 2014-11-27.22:54:39.272>
user = 'https://github.com/mineo'

bugs.python.org fields:

activity = <Date 2014-11-27.22:54:39.272>
actor = 'serhiy.storchaka'
assignee = 'serhiy.storchaka'
closed = True
closed_date = <Date 2014-11-27.22:54:39.273>
closer = 'serhiy.storchaka'
components = ['Library (Lib)']
creation = <Date 2013-09-02.16:49:20.249>
creator = 'Wieland.Hoffmann'
dependencies = []
files = ['31556', '37225']
hgrepos = []
issue_num = 18905
keywords = ['patch']
message_count = 4.0
messages = ['196789', '231356', '231784', '231787']
nosy_count = 4.0
nosy_names = ['python-dev', 'berker.peksag', 'serhiy.storchaka', 'Wieland.Hoffmann']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue18905'
versions = ['Python 2.7']

[mineo]

In Python 3 one can use pydoc -p 0 to start a pydoc HTTP server on an arbitrary unused port. This works (somewhat) in Python 2 as well, except that pydoc doesn't tell you which port it's listening on. Applying the attached patch makes pydoc print the correct port.

[serhiy-storchaka]

With the patch resolved address 127.0.0.1 is printed instead of localhost. self.address[0] can be used to match current behavior of 2.7 and 3.x.

And why not just initialize the url attribute in server_activate()?

[python-dev]

New changeset ac7f3161aa53 by Serhiy Storchaka in branch '2.7':
Issue bpo-18905: "pydoc -p 0" now outputs actually used port. Based on patch by
https://hg.python.org/cpython/rev/ac7f3161aa53

[serhiy-storchaka]

Thank you for your patch Wieland.