Sqlalchemy 1.4 has asyncio support for postgresql using asyncpg. Not sure how feasible it is to replace that library for you.
On Wed, 14 Jul 2021, 17:10 Marat Sharafutdinov, <deca...@gmail.com> wrote: > The problem is the part of my code base depends on third party library > (aiopg) which should be compatible with SQLAlchemy 1.4 too but there some > problems with it ( > https://github.com/aio-libs/aiopg/issues/798#issuecomment-879815102 ) > which make migration from 1.3 to 1.4 impossible for now =/ > > On Thursday, June 10, 2021 at 3:57:08 PM UTC+3 Mike Bayer wrote: > >> >> >> On Wed, Jun 9, 2021, at 7:21 PM, Marat Sharafutdinov wrote: >> >> The problem is that currently only the entire codebase can be migrated >> from 1.3 to 1.4, even though it can be extremely difficult or too long to >> do. >> >> I suggest the following way of pinning dependencies: >> sqlalchemy==1.3 >> sqlalchemy2==1.4 or sqlalchemy2==2.0 >> >> Then current codebase will continue to work because "sqlalchemy" package >> stays at version 1.3 but it will be possible to use SQLAlchemy 1.4 / 2.0 >> additionally to migrate not whole codebase but part by part by importing >> "sqlalchemy2" package. >> >> >> the entire migration process was designed around not having to do it like >> this, and I spent months thinking about it. It would not be feasible for >> two versions of sqlalchemy to exist at the same time because then the >> entire import space would have to become "sqlalchemy2" and this is too >> drastic of a change which would heavily impede migration. >> >> I think your assessment that "only the entire codebase can be migrated >> from 1.3 to 1.4" is not true, most applications that run on 1.3 will run on >> 1.4 with little to no changes and hundreds of users have already done so. >> The 1.3-> 1.4 change is roughly comparable to the change that it has been >> for other releases, like 1.0->1.1, 1.1->1.2 etc. >> >> >> >> On Thursday, June 10, 2021 at 2:10:48 AM UTC+3 Mike Bayer wrote: >> >> >> hi there - >> >> having a separate project name on pypi doesn't solve any issue that isn't >> already solved by using version pinning - the "sqlalchemy" name on pypi is >> already at 1.4. the only way to install 1.3 is by requesting "pip install >> sqlalchemy < 1.4". >> >> As you've probably seen, SQLAlchemy 1.4 /2.0 includes a very specific >> upgrade path with step-by-step instructions at >> https://docs.sqlalchemy.org/en/14/changelog/migration_20.html . >> >> >> >> On Wed, Jun 9, 2021, at 4:15 PM, Marat Sharafutdinov wrote: >> >> Currently I'm on SQLAlchemy 1.3 and there is a lot of work I have to do >> to migrate to 1.4 / 2.0. I think it's good idea to distribute 1.4 / 2.0 >> versions not only as "SQLAlchemy" project but as additional separate >> "SQLAlchemy2" project too with initial 1.4 version and then 2.0. This will >> give opportunity to have 1.3 and earlier version of SQLAlchemy which is >> already in use and latest SQLAlchemy2 version to migrate gradually step by >> step, in case of Flask for example, - one API method by another. Just one >> additional way to migrate painlessly. >> >> >> -- >> SQLAlchemy - >> The Python SQL Toolkit and Object Relational Mapper >> >> http://www.sqlalchemy.org/ >> >> To post example code, please provide an MCVE: Minimal, Complete, and >> Verifiable Example. See http://stackoverflow.com/help/mcve for a full >> description. >> --- >> You received this message because you are subscribed to the Google Groups >> "sqlalchemy" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to sqlalchemy+...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/sqlalchemy/730e4079-1751-4a9f-8f4a-f5fd7dde30f7n%40googlegroups.com >> <https://groups.google.com/d/msgid/sqlalchemy/730e4079-1751-4a9f-8f4a-f5fd7dde30f7n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> >> >> >> -- >> SQLAlchemy - >> The Python SQL Toolkit and Object Relational Mapper >> >> http://www.sqlalchemy.org/ >> >> To post example code, please provide an MCVE: Minimal, Complete, and >> Verifiable Example. See http://stackoverflow.com/help/mcve for a full >> description. >> --- >> You received this message because you are subscribed to the Google Groups >> "sqlalchemy" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to sqlalchemy+...@googlegroups.com. >> >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/sqlalchemy/fa4b7c8f-ab62-466f-94f5-572ff6397328n%40googlegroups.com >> <https://groups.google.com/d/msgid/sqlalchemy/fa4b7c8f-ab62-466f-94f5-572ff6397328n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> >> >> -- > SQLAlchemy - > The Python SQL Toolkit and Object Relational Mapper > > http://www.sqlalchemy.org/ > > To post example code, please provide an MCVE: Minimal, Complete, and > Verifiable Example. See http://stackoverflow.com/help/mcve for a full > description. > --- > You received this message because you are subscribed to a topic in the > Google Groups "sqlalchemy" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/sqlalchemy/BZPzqwnqwnU/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > sqlalchemy+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sqlalchemy/203f42c9-29e2-4aed-bdbd-25abd717b1f3n%40googlegroups.com > <https://groups.google.com/d/msgid/sqlalchemy/203f42c9-29e2-4aed-bdbd-25abd717b1f3n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- SQLAlchemy - The Python SQL Toolkit and Object Relational Mapper http://www.sqlalchemy.org/ To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. --- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy/CAN19dyeKaCUp30Y162MLY1fdoNwgCWr7gWmOY77WVovTxNWHFQ%40mail.gmail.com.
