On Wednesday, May 13, 2020 2:45:48 PM EDT Scott Kitterman wrote: > On Wednesday, May 13, 2020 1:14:54 PM EDT Scott Kitterman wrote: > > Package: python3-html5lib > > Version: 1.0.1-3 > > Severity: normal > > > > Currently with python3.7 or 3.8: > > DeprecationWarning: Using or importing the ABCs from 'collections' instead > > of from 'collections.abc' is deprecated, and in 3.9 it will stop working > > from collections import Mapping > > > > When we get python3.9 it'll be: > > > > Python 3.9.0a2+ (heads/master:b0d4949, Dec 20 2019, 11:38:30) > > [GCC 8.3.0] on linux > > Type "help", "copyright", "credits" or "license" for more information. > > > > >>> import html5lib > > > > Traceback (most recent call last): > > File "<stdin>", line 1, in <module> > > File > > > > "/home/pi/.pyenv/versions/3.9-dev/lib/python3.9/site-packages/html5lib/__i > > n > > it__.py", line 25, in <module> from .html5parser import HTMLParser, parse, > > parseFragment > > > > File > > > > "/home/pi/.pyenv/versions/3.9-dev/lib/python3.9/site-packages/html5lib/htm > > l > > 5parser.py", line 8, in <module> from . import _tokenizer > > > > File > > > > "/home/pi/.pyenv/versions/3.9-dev/lib/python3.9/site-packages/html5lib/_to > > k > > enizer.py", line 16, in <module> from ._trie import Trie > > > > File > > > > "/home/pi/.pyenv/versions/3.9-dev/lib/python3.9/site-packages/html5lib/_tr > > i > > e/__init__.py", line 3, in <module> from .py import Trie as PyTrie > > > > File > > > > "/home/pi/.pyenv/versions/3.9-dev/lib/python3.9/site-packages/html5lib/_tr > > i > > e/py.py", line 6, in <module> from ._base import Trie as ABCTrie > > > > File > > > > "/home/pi/.pyenv/versions/3.9-dev/lib/python3.9/site-packages/html5lib/_tr > > i > > e/_base.py", line 3, in <module> from collections import Mapping > > ImportError: cannot import name 'Mapping' from 'collections' > > (/home/pi/.pyenv/versions/3.9-dev/lib/python3.9/collections/__init__.py) > > > > I noticed this because python-bleach is looking into updating their > > vendored copy (we don't use it) [1]. This change has been in html5lib > > for some time [2], but with no release coming, I think we should fix it in > > Debian. > > It looks like there is also: > > src/pip/_vendor/html5lib/treebuilders/dom.py: from collections import > MutableMapping > > which will be a problem. > > Scott K
Here's the patch that pip is carrying in their vendor tree, which looks right to me: https://github.com/pypa/pip/blob/master/tools/automation/vendoring/patches/ html5lib.patch Scott K
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