[issue45466] Simple curl/wget-like download functionality in urllib (like http offers server)

[Tom Pohl]

Change by Tom Pohl :


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nosy:  -tom.pohl

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[issue45466] Simple curl/wget-like download functionality in urllib (like http offers server)

[STINNER Victor]

STINNER Victor  added the comment:

I don't think that urllib.request is a great library. There are better 
replacements like https://www.python-httpx.org/ or 
https://urllib3.readthedocs.io/

urllib.request API is not great and it doesn't support HTTP2 (nor HTTP3).

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[issue45466] Simple curl/wget-like download functionality in urllib (like http offers server)

[Eric V. Smith]

Eric V. Smith  added the comment:

The core devs have decided to reject this. Basically for a few reasons:

- the possibility of introducing security vulnerabilities
- the ongoing maintenance burden

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nosy: +eric.smith
resolution:  -> rejected
stage: patch review -> resolved
status: open -> closed

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[issue45466] Simple curl/wget-like download functionality in urllib (like http offers server)

[Raymond Hettinger]

Raymond Hettinger  added the comment:

> If curl/wget are available, great, but often slim images 
> don't offer that.

I concur with Christian.  For the most part, the standard library aims to be a 
collection of resources helpful for building applications like curl and wget.  
The applications themselves should live on the Python Package Index (PyPI).  
Also, as Christian points out, this is a non-trivial project with a large scope.


> The urllib could provide a very simple download functionality
> (like http offers a simple server):
>
>from urllib.request import urlopen
>data = urlopen('https://.../install-poetry.py').read()
># print or save data

This is a simpler request and is within our scope; however, I not sure how it 
differs from the existing functionality in urllib.request.urlretrieve().  Can 
you clarify what extra functionality is being requested?

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nosy: +rhettinger

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[issue45466] Simple curl/wget-like download functionality in urllib (like http offers server)

[Christian Heimes]

Christian Heimes  added the comment:

I fear that you underestimate both the complexity of this feature request and 
the amount of demand from users this feature is going to create. Once we start 
to offer a command line client for urllib, users **will** ask for more options, 
e.g. POST requests, custom headers, various TLS/SSL options and so on. There is 
a ton of hidden complexity in a download tool. curl has over 240 (!) command 
line options for a reason.

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[issue45466] Simple curl/wget-like download functionality in urllib (like http offers server)

[Tom Pohl]

Tom Pohl  added the comment:

Thanks, Terry, for the hint.

The idea got some support on python-ideas, so I thought it is worthwhile to do 
a PR. As a first-time contributor, I now have to wait for approval for the 
pipeline to run...

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[issue45466] Simple curl/wget-like download functionality in urllib (like http offers server)

[Terry J. Reedy]

Change by Terry J. Reedy :


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nosy:  -terry.reedy

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[issue45466] Simple curl/wget-like download functionality in urllib (like http offers server)

[Roundup Robot]

Change by Roundup Robot :


--
keywords: +patch
nosy: +python-dev
nosy_count: 2.0 -> 3.0
pull_requests: +27479
stage: test needed -> patch review
pull_request: https://github.com/python/cpython/pull/29217

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[issue45466] Simple curl/wget-like download functionality in urllib (like http offers server)

[Terry J. Reedy]

Terry J. Reedy  added the comment:

Posting the idea to python-ideas list might generate interest and ideas.

--
nosy: +terry.reedy
stage:  -> test needed
versions: +Python 3.11

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[issue45466] Simple curl/wget-like download functionality in urllib (like http offers server)

[Tom Pohl]

New submission from Tom Pohl :

In the context of building Docker images, it is often required to download 
stuff. If curl/wget are available, great, but often slim images don't offer 
that.

The urllib could provide a very simple download functionality (like http offers 
a simple server):

from urllib.request import urlopen
data = urlopen('https://.../install-poetry.py').read()
# print or save data

If there's some interest, I could open a PR.

--
components: Library (Lib)
messages: 403888
nosy: tom.pohl
priority: normal
severity: normal
status: open
title: Simple curl/wget-like download functionality in urllib (like http offers 
server)
type: enhancement

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