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NotImplementedError: pseudo-class is not implemented - how to Update Python to solve - apollo - May-16-2021 hello dear Python-experts, first of all: many many thanks for this awesome forum: this is one of the best places for Python. I am glad to be part of this great forum. on anaconda which runs on MX-Linux i have runned a parser and got back some errorlogs: Traceback (most recent call last): File "/home/martin/dev/europe_volun_with_pandas.py", line 57, in <module> soup.select_one('td:-soup-contains("Receiving") ~ td'), File "/home/martin/anaconda3/lib/python3.7/site-packages/bs4/element.py", line 1749, in select_one value = self.select(selector, namespaces, 1, **kwargs) File "/home/martin/anaconda3/lib/python3.7/site-packages/bs4/element.py", line 1784, in select results = soupsieve.select(selector, self, namespaces, limit, **kwargs) File "/home/martin/anaconda3/lib/python3.7/site-packages/soupsieve/__init__.py", line 114, in select return compile(select, namespaces, flags, **kwargs).select(tag, limit) File "/home/martin/anaconda3/lib/python3.7/site-packages/soupsieve/__init__.py", line 63, in compile return cp._cached_css_compile(pattern, namespaces, custom, flags) File "/home/martin/anaconda3/lib/python3.7/site-packages/soupsieve/css_parser.py", line 206, in _cached_css_compile CSSParser(pattern, custom=custom_selectors, flags=flags).process_selectors(), File "/home/martin/anaconda3/lib/python3.7/site-packages/soupsieve/css_parser.py", line 1062, in process_selectors return self.parse_selectors(self.selector_iter(self.pattern), index, flags) File "/home/martin/anaconda3/lib/python3.7/site-packages/soupsieve/css_parser.py", line 919, in parse_selectors has_selector, is_html = self.parse_pseudo_class(sel, m, has_selector, iselector, is_html) File "/home/martin/anaconda3/lib/python3.7/site-packages/soupsieve/css_parser.py", line 657, in parse_pseudo_class "'{}' pseudo-class is not implemented at this time".format(pseudo)generally spoken: NotImplementedError: ':-soup-contains' pseudo-class is not implemented at this time well i guess ( i suppose) that this error-log i get because i run older versions of python; see what i have got at the moment - and yes: i guess i have to update python to be up to date - and to get rid of these errorlogs - is this true!? see here the Anaconda system (version) and all the "ingredients" - like Python, VScode and Spyder... and its versions. conda-base Python 3.7.6 Python 3.7.6 default, Jan 8 2020, 19:59:22) Type "copyright", "credits" or "license" for more information. IPython 7.12.0 -- An enhanced Interactive Python. Spyder 4.0.1 The Scientific Python Development Environment | Spyder-IDE.org Copyright © 2009-2019 Spyder Project Contributors and others. Distributed under the terms of the MIT License. Python 3.7.6 64-bit | Qt 5.9.6 | PyQt5 5.9.2 | Linux 4.19.0-6-amd64 VSCode 1.56.2 well - to avoid any issues (like the Nonimplemented-ones see above - i need to update python. what do you say - !? How to update at least python. Can i do this via commandline!? i guess - i found this: https://stackoverflow.com/questions/61601747/how-to-update-python-version-to-3-8 Quote:Step 1: First install the Ubuntu software properties package if it’s not already installed on your system. see below what i have got back $ python -m pip install pip Requirement already satisfied: pip in ./anaconda3/lib/python3.7/site-packages (20.0.2) (base) martin@mx:~ $ python -m pip install –upgrade pip ERROR: Invalid requirement: '–upgrade' (base) martin@mx:~ $ python -m pip install --upgrade pip Collecting pip Downloading pip-21.1.1-py3-none-any.whl (1.5 MB) |████████████████████████████████| 1.5 MB 439 kB/s Installing collected packages: pip Attempting uninstall: pip Found existing installation: pip 20.0.2 Uninstalling pip-20.0.2: Successfully uninstalled pip-20.0.2 Successfully installed pip-21.1.1 (base) martin@mx:~ $i saw another method - here: https://levelup.gitconnected.com/a-guide-to-upgrade-your-python-to-3-9-44ccb3eae31a Quote:In LINUX, you may use the following commands: sudo apt update gives back here the folllowing: (base) root@mx:/home/martin# sudo apt update OK:1 http://deb.debian.org/debian buster-updates InRelease OK:2 http://deb.debian.org/debian buster InRelease OK:3 http://deb.debian.org/debian-security buster/updates InRelease OK:4 http://dl.google.com/linux/chrome/deb stable InRelease OK:5 http://ftp.halifax.rwth-aachen.de/mxlinux/packages/mx/repo buster InRelease 0% [Verbunden mit packagecloud.io (54.183.38.243)] [Warten auf Kopfzeilen] [Verbunden mit packages. OK:6 https://packages.microsoft.com/repos/vscode stable InRelease Ign:7 http://repo.vivaldi.com/stable/deb stable InRelease OK:8 http://repo.vivaldi.com/stable/deb stable Release OK:9 https://packagecloud.io/AtomEditor/atom/any any InRelease Paketlisten werden gelesen... Fertig Abhängigkeitsbaum wird aufgebaut. Statusinformationen werden eingelesen.... Fertig Alle Pakete sind aktuell. (base) root@mx:/home/martin# (base) root@mx:/home/martin# RE: NotImplementedError: pseudo-class is not implemented - how to Update Python to solve - buran - May-16-2021 this is not about python version it's about soupsiеve and beautiful soup. Also note that it may be specific to site you try to parse and soupsieve not handling it, eg. see https://github.com/facelessuser/soupsieve/issues/215 |