On Wed, Feb 7, 2024 at 2:11 AM Frederic Muller <fred@xxxxxxxx> wrote:
Hi!
Installed scrapy and just trying to start the tutorial gives me that:
scrapy startproject tutorial
[...]
/home/fred/.local/lib/python3.12/site-packages/parsel/csstranslator.py",
line 8, in <module>
from cssselect.parser import Element, FunctionalPseudoElement,
PseudoElement
ImportError: cannot import name 'PseudoElement' from 'cssselect.parser'
(/usr/lib/python3.12/site-packages/cssselect/parser.py)
Traceback (most recent call last):
Any idea why it's not working?
Fedora 39 has: python-cssselect-1.1.0-6 Have a look at the https://github.com/scrapy/scrapy/issues
You should give enough details so others can reproduce the issue: how did you install scrapy, which version of Fedora, scrapy, and python-cssselect do you have?
There are problems with the Fedora package:
Available Packages
Name : python3-scrapy
Version : 2.10.1
Release : 1.fc39
Architecture : noarch
Size : 659 k
Source : python-scrapy-2.10.1-1.fc39.src.rpm
Repository : fedora
Summary : A high-level Python Screen Scraping framework
URL : https://scrapy.org
License : BSD
Description : Scrapy is a fast high-level screen scraping and web crawling
: framework, used to crawl websites and extract structured data
: from their pages. It can be used for a wide range of purposes,
: from data mining to monitoring and automated testing.
Name : python3-scrapy
Version : 2.10.1
Release : 1.fc39
Architecture : noarch
Size : 659 k
Source : python-scrapy-2.10.1-1.fc39.src.rpm
Repository : fedora
Summary : A high-level Python Screen Scraping framework
URL : https://scrapy.org
License : BSD
Description : Scrapy is a fast high-level screen scraping and web crawling
: framework, used to crawl websites and extract structured data
: from their pages. It can be used for a wide range of purposes,
: from data mining to monitoring and automated testing.
Here, on Fedora 39:
% doas dnf install python3-scrapy
doas (gnw3@imacf39) password:
Last metadata expiration check: 0:04:29 ago on Wed Feb 7 10:39:54 2024.
Error:
Problem: conflicting requests
- nothing provides (python3.12dist(twisted) < 23.8~~ with python3.12dist(twisted) >= 18.9) needed by python3-scrapy-2.10.1-1.fc39.noarch from fedora
(try to add '--skip-broken' to skip uninstallable packages)
doas (gnw3@imacf39) password:
Last metadata expiration check: 0:04:29 ago on Wed Feb 7 10:39:54 2024.
Error:
Problem: conflicting requests
- nothing provides (python3.12dist(twisted) < 23.8~~ with python3.12dist(twisted) >= 18.9) needed by python3-scrapy-2.10.1-1.fc39.noarch from fedora
(try to add '--skip-broken' to skip uninstallable packages)
twisted has https://nvd.nist.gov/vuln/detail/CVE-2023-46137 so
Many large Python systems have not been ported to python-3.12. I've had success using
fedora's python-3.11 in a conda environment. Anaconda python is also a way to run stuff that
still needs python 3.10 or 3.11.
George N. White III
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