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default_scheme in urlparse.urlparse() useless #46821

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pk mannequin opened this issue Apr 7, 2008 · 4 comments
Closed

default_scheme in urlparse.urlparse() useless #46821

pk mannequin opened this issue Apr 7, 2008 · 4 comments
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stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error

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@pk
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Mannequin

pk mannequin commented Apr 7, 2008

BPO 2569
Nosy @facundobatista

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 = <Date 2008-06-21.17:38:08.467>
created_at = <Date 2008-04-07.08:37:55.294>
labels = ['type-bug', 'library']
title = 'default_scheme in urlparse.urlparse() useless'
updated_at = <Date 2008-06-21.17:38:08.466>
user = 'https://bugs.python.org/pk'

bugs.python.org fields:

activity = <Date 2008-06-21.17:38:08.466>
actor = 'facundobatista'
assignee = 'none'
closed = True
closed_date = <Date 2008-06-21.17:38:08.467>
closer = 'facundobatista'
components = ['Library (Lib)']
creation = <Date 2008-04-07.08:37:55.294>
creator = 'pk'
dependencies = []
files = []
hgrepos = []
issue_num = 2569
keywords = []
message_count = 4.0
messages = ['65071', '65072', '68520', '68522']
nosy_count = 3.0
nosy_names = ['facundobatista', 'elachuni', 'pk']
pr_nums = []
priority = 'normal'
resolution = 'duplicate'
stage = None
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue2569'
versions = ['Python 2.5']
@pk
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Mannequin Author

pk mannequin commented Apr 7, 2008

Hello,

the urlparse() function accepts a parameter default_scheme, to be used
if the address given does not contain one, but I cannot make
use of it, because I would expect these two returning
identical values:

>>> from urlparse import urlparse
>>> urlparse("www","http")
('http', '', 'www', '', '', '')
>>> urlparse("http://www","http")
('http', 'www', '', '', '', '')

This has been reported about six years ago but apparently
the behaviour hasn't changed. I cannot imagine that this
really is the intended behaviour.

Regards,

pk

@pk pk mannequin added stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error labels Apr 7, 2008
@pk
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pk mannequin commented Apr 7, 2008

and this is the url to the old report:

http://mail.python.org/pipermail/python-list/2002-August/157171.html

@elachuni
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Mannequin

elachuni mannequin commented Jun 21, 2008

In http://bugs.python.org/issue754016 there's already a discussion about
this.
The RFC that urlparse is following (rfc 1808) requires the net_loc
component to start with // even if the scheme component is missing,
which is why urlparse("www","http") puts the 'www' in to the path
component instead of net_loc.

It seems that this is indeed the intended behavior, and the patch for
bpo-754016 adds a docfix clarifying this.

@facundobatista
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Thanks (pk) and Anthony!

@ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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