Quite a few other large packages have already dropped Python 2 support for over a year. matplotlib and Jupyter already dropped it. I'm not aware of many issues.
Aaron Meurer On Sat, Dec 14, 2019 at 4:47 PM Isuru Fernando <[email protected]> wrote: > > FYI, NumPy has already dropped python 2.7 support in 1.17.0 in July. They are > supporting 1.16.x until January, 1 2020 and 1.16.x will no longer be > supported. > > Isuru > > On Sat, Dec 14, 2019 at 5:36 PM Oscar Benjamin <[email protected]> > wrote: >> >> I don't see why anything dramatic will happen when NumPy drops support >> for Python 2.7. The current releases of both NumPy and SymPy will >> still be available for Python 2.7. Gradually over time more new >> releases will emerge that can't be installed on Python 2.7 but nothing >> will immediately break for people who continue to use 2.7 with NumPy >> and/or SymPy. Those users will just be stuck with the current versions >> of 3rd party packages as well as an old version of the interpreter. >> >> On Sat, 14 Dec 2019 at 23:28, Jason Moore <[email protected]> wrote: >> > >> > I'd like for us to hang on to Py27 until we see what happens when NumPy >> > drops it. I personally feel like shit might hit the fan. >> > >> > Jason >> > moorepants.info >> > +01 530-601-9791 >> > >> > >> > >> > On Sat, Dec 14, 2019 at 3:05 PM Aaron Meurer <[email protected]> wrote: >> >> >> >> >> >> >> >> On Sat, Dec 14, 2019 at 2:31 PM Oscar Benjamin >> >> <[email protected]> wrote: >> >>> >> >>> Python 2.7 support can be dropped in SymPy 1.6 (the next release). We >> >>> don't yet know though if we will need a 1.5.1 bugfix release though so >> >>> I'd prefer to give it a few weeks before dropping Python 2.7 from >> >>> Travis. I think that as soon as Python 2.7 is not tested SymPy will >> >>> stop working on it because it will become unimportable within a few >> >>> PRs. >> >> >> >> >> >> We should make sure __init__.py stays importable so we can give an error >> >> message about Python 2 not being supported. >> >> >> >>> >> >>> >> >>> Once 2.7 is removed from Travis there are a number of places in the >> >>> codebase that can be cleaned up (noted with the "dropping Python 2" >> >>> label) and a bunch of compat code that can be removed. >> >>> >> >>> SymPy's current Python version support policy is here >> >>> https://github.com/sympy/sympy/wiki/Python-version-support-policy >> >>> and says that a version of Python is supported until it reaches EOL. >> >>> For Python 3.5 that is September 2020 according to the table here: >> >>> https://devguide.python.org/#status-of-python-branches >> >>> >> >>> Dropping 3.5 before then wouldn't match the support policy but if >> >>> there are strong advantages then it can be discussed. >> >> >> >> >> >> We might need to become more aggressive at some point. Python is planning >> >> on speeding up their release cadence so with the current policy there >> >> will be more Python versions for us to support. >> >> >> >> Aaron Meurer >> >> >> >>> >> >>> >> >>> -- >> >>> Oscar >> >>> >> >>> On Sat, 14 Dec 2019 at 15:26, Francesco Bonazzi >> >>> <[email protected]> wrote: >> >>> > >> >>> > Great new! >> >>> > >> >>> > Are we going to drop Python 2.7 and 3.4 support? >> >>> > >> >>> > There are two nice things to have: >> >>> > >> >>> > support for type annotations with enforcement in testing. >> >>> > integration of MatchPy into SymPy (unfortunately this step requires to >> >>> > drop Python 3.5 support as well, as MatchPy is Python 3.6+ only). >> >>> > >> >>> > >> >>> > On Saturday, 14 December 2019 02:38:23 UTC+1, Oscar wrote: >> >>> >> >> >>> >> On Fri, 13 Dec 2019 at 21:41, Oscar Benjamin <[email protected]> >> >>> >> wrote: >> >>> >> > >> >>> >> > Hi all, >> >>> >> > >> >>> >> > It is my pleasure to announce the release of SymPy 1.5 today. I have >> >>> >> > uploaded the release files to for this release to PyPI so you should >> >>> >> > be able to install or upgrade with >> >>> >> > >> >>> >> > $ pip install -U sympy >> >>> >> >> >>> >> I just realised I didn't give the hashes for the release files which >> >>> >> are >> >>> >> >> >>> >> 8ae4a95378304ed4081921767fe46f0adf5921bf471c9f5df425abf2c655d751 >> >>> >> sympy-1.5-py2.py3-none-any.whl >> >>> >> 31567dc010bff0967ef7a87210acf3f938c6ab24481581fc143536fb103e9ce8 >> >>> >> sympy-1.5.tar.gz >> >>> >> b880a0819efac35661e59ec4341e3df7667e51f952033b12a91361f792458639 >> >>> >> sympy-docs-html-1.5.zip >> >>> >> 2f366888c0efc86bf031e1db4dd988463c26583a8582e33b4bc85eb6b14d4ea1 >> >>> >> sympy-docs-pdf-1.5.pdf >> >>> >> >> >>> >> I'm interested to know: does anyone check these? >> >>> >> >> >>> >> -- >> >>> >> Oscar >> >>> > >> >>> > -- >> >>> > You received this message because you are subscribed to the Google >> >>> > Groups "sympy" group. >> >>> > To unsubscribe from this group and stop receiving emails from it, send >> >>> > an email to [email protected]. >> >>> > To view this discussion on the web visit >> >>> > https://groups.google.com/d/msgid/sympy/b17bed68-2653-4bb9-8b54-fa19eaeb18e3%40googlegroups.com. >> >>> >> >>> -- >> >>> You received this message because you are subscribed to the Google >> >>> Groups "sympy" group. >> >>> To unsubscribe from this group and stop receiving emails from it, send >> >>> an email to [email protected]. >> >>> To view this discussion on the web visit >> >>> https://groups.google.com/d/msgid/sympy/CAHVvXxTr0NMn5w2ZKbbCTRdtZHp0Fq4H18vrHCFr8%2BK5KbO%2BbA%40mail.gmail.com. >> >> >> >> -- >> >> You received this message because you are subscribed to the Google Groups >> >> "sympy" group. >> >> To unsubscribe from this group and stop receiving emails from it, send an >> >> email to [email protected]. >> >> To view this discussion on the web visit >> >> https://groups.google.com/d/msgid/sympy/CAKgW%3D6JgEuAWSX%2B37dfDkRvxGJYd23NFHAvy%2BaCD59VShLFqQg%40mail.gmail.com. >> > >> > -- >> > You received this message because you are subscribed to the Google Groups >> > "sympy" group. >> > To unsubscribe from this group and stop receiving emails from it, send an >> > email to [email protected]. >> > To view this discussion on the web visit >> > https://groups.google.com/d/msgid/sympy/CAP7f1AiJqLahHrRVk%3D3UiYCvh5ERVrKqwLAOS0GZyUEi9CYCbA%40mail.gmail.com. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "sympy" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/sympy/CAHVvXxSJy7ufBPOYh1Gx%3DY9UQ_YmXThO0aRtkY5wd5RMi8%3D5ig%40mail.gmail.com. > > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/CA%2B01voPuK1Y8gDxJNot6ik%3D71D40x8CohQOTnT1_x2krBosWxw%40mail.gmail.com. -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CAKgW%3D6K8ucOVy%3Dew2bd3Mjatq99h59wAiwMrYhuARKWR9ThXFw%40mail.gmail.com.
