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Title: Fix/sqlalchemy 2.0 compatibility - chapter6 UoW by rickywesker · Pull Request #110 · cosmicpython/code · GitHub

Open Graph Title: Fix/sqlalchemy 2.0 compatibility - chapter6 UoW by rickywesker · Pull Request #110 · cosmicpython/code

X Title: Fix/sqlalchemy 2.0 compatibility - chapter6 UoW by rickywesker · Pull Request #110 · cosmicpython/code

Description: Hi Harry! 👋 I'm a reader following along with the Cosmic Python book, and I really enjoyed Chapter 6 on the Unit of Work pattern! While working through the exercises on the chapter_06_uow_exercise branch, I noticed the code wasn't compatible with SQLAlchemy 2.0, which caused some errors when running tests. So I made the necessary updates to get everything working smoothly. Changes orm.py: Replace deprecated mapper() with registry.map_imperatively() repository.py: Replace session.query() with session.scalars(select()) conftest.py: Replace clear_mappers() with mapper_registry.dispose() test_*.py: Wrap raw SQL strings with text() requirements.txt: Require sqlalchemy>=2.0 Test Results All existing tests pass (20 passed, 3 skipped, 4 failed). The 4 failed tests are expected - they are exercise-related tests designed to fail until the reader implements the UnitOfWork pattern. I hope this PR can help other readers who encounter the same issue, and save them some debugging time! 🙏 Thank you for writing such a great book! 📚

Open Graph Description: Hi Harry! 👋 I'm a reader following along with the Cosmic Python book, and I really enjoyed Chapter 6 on the Unit of Work pattern! While working through the exercises on the chapter_06_uow_exerc...

X Description: Hi Harry! 👋 I'm a reader following along with the Cosmic Python book, and I really enjoyed Chapter 6 on the Unit of Work pattern! While working through the exercises on the chapter_06_uow_e...

Opengraph URL: https://github.com/cosmicpython/code/pull/110

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Fix/sqlalchemy 2.0 compatibility - chapter6 UoW https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/files#top
Show all changes 67 commits https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/files
9a74b16 makefile for running stuff hjwp Feb 8, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/9a74b16d719d09af7614b84324eefe96a52bfc56
5be7bcf first test [first_test] hjwp Mar 8, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/5be7bcfc0763133b384388c160c1ce308eb304ba
fc5811e first stab at a model [domain_model_1] hjwp Mar 8, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/fc5811e40bae2de7a8f444a6d54f8da72ce4b654
108a74c more tests for can_allocate [test_can_allocate] hjwp Mar 8, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/108a74c665b3e9a7d63b21abc7b632063834b54b
d817ecd can_allocate fn [can_allocate] hjwp Mar 8, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/d817ecd359fd83654a0c594873a6b3a34805e92c
bd0e75e simple deallocate test hjwp Mar 8, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/bd0e75edc611d0a236b89a7d95b1c4cd4bf62234
8ad3236 simple deallocate function hjwp Mar 8, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/8ad3236e9231b00daad74d27df9499d947a3162f
bebd0fd test deallocate not allocated [test_deallocate_unallocated] hjwp Mar 8, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/bebd0fd3601cc08d49cac74ea4a2c3251cbfa0f2
b2d618a model now tracks allocations [domain_model_complete] hjwp Mar 8, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/b2d618aa5f763380ca04d5711f4c738cf3eaa6b5
ad26a08 test allocate twice [last_test] hjwp Mar 8, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/ad26a0882372502a822d639c7339e02fe346d3ce
235e121 equality and hash operators [equality_on_batches] hjwp Mar 8, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/235e121b9fc0a4b87d7a3cfa7ba7239be7ab1b44
d1dda70 new tests for allocate domain service [test_allocate] hjwp Mar 9, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/d1dda7015c2d7715f18f089df9018d92bdb8a166
8a6ec0e allocate fn, domain service [domain_service] hjwp Mar 9, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/8a6ec0eec07a9185da3a57e5fc49f8f421214b26
ff0a15c fixup a batchref hjwp Jul 18, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/ff0a15c3a7a5ef1a91f68f2ad1138323f35f2543
0c3b87e change tests add one for return hjwp Mar 20, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/0c3b87eaa91902b8102d6b521c4de50dae8a4d2f
07dd382 make Batches sortable [dunder_gt] hjwp Mar 9, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/07dd3822787071d95da09a966010b42dee9dca6c
18aa3b4 fixup a sku hjwp Jul 18, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/18aa3b4c76b4e5b51c99ed452558208229c4b9e7
d75eaf7 test out of stock exception [test_out_of_stock] hjwp Mar 11, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/d75eaf755a3d3659e090e2b28c3e7280178ff45e
184d90d raising out of stock exception [out_of_stock] hjwp Mar 11, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/184d90df0ff57f4d30c6b8955ff3f436acf93aa9
73dae3f add readme from master hjwp Jul 1, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/73dae3f6cef8a13c308bed69a03059e670beef7f
5b77fc4 Wrong path in venv creation line karolpawlowski Feb 1, 2021 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/5b77fc47363292cfc715df644d508dc88f74472c
3e9871d travis config. [chapter_01_domain_model_ends] hjwp Mar 26, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/3e9871d62fb813d5206c0698974bdb54339fad6a
58d05e4 first cut of orm, orderlines only [sqlalchemy_classical_mapper] hjwp Mar 10, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/58d05e4c3017cb14ab48d5e4a8fc8809750431c4
ef7a621 first tests of orm [orm_tests] hjwp Mar 10, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/ef7a621a80b4f956c874ec67bcf10dec6016c7d0
527b320 unfortunate hack on dataclass in model hjwp Mar 10, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/527b3200a4e35ebfefe675f728e5ccf3cedd972d
26b997e batches with no allocations hjwp Mar 10, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/26b997ef18cb39e5c01c0b55702b12f131cd6840
fff68bd ORM for _allocations set on Batch hjwp Mar 11, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/fff68bd217c066d2d79c50a029c64aac63391f28
8dae126 repository tests hjwp Mar 11, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/8dae12639c6247185877d199e3055d0cacb126ea
b635a15 repository for batches [chapter_02_repository_ends] hjwp Mar 11, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/b635a154d8ddf58a3bbf40a1d5c96c65430bc49d
fda077d first api tests [first_api_test] hjwp Mar 11, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/fda077db691e09e69eb54e7fbf29feb732da37b5
15902a6 all the dockerfile gubbins hjwp Mar 19, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/15902a6f69b914015c5d5a4b90cc4d04c5e046d7
8fc086e first cut of flask app [first_cut_flask_app] hjwp Mar 11, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/8fc086ef836fd5fcf726d37e285e0e9d4ace49f4
158e760 test persistence by double-allocating. [second_api_test] hjwp Mar 19, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/158e760fed9a7d530d34b3acf4e4159477eac73d
d0ee7ad need to commit [flask_commit] hjwp Mar 19, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/d0ee7ada3dbb034dbe5fce7a06e209486e88cccc
f20c479 test some 400 error cases [test_error_cases] hjwp Mar 19, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/f20c4792525ee9b138bd6586eb88359d1d70a8db
80dece9 flask now does error handling [flask_error_handling] hjwp Mar 19, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/80dece9d1736a3abf2ae605af25606c85b39bccb
a1903fa first tests for the services layer [first_services_tests] hjwp Mar 19, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/a1903fad959426a0d7bee8c186b0bfb73a2755d2
9fe9a3d FakeRepository [fake_repo] hjwp Jan 3, 2020 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/9fe9a3de7ea0afabf652bacf035e86b39ac02d6c
15b9bf7 FakeSession [fake_session] hjwp Jan 3, 2020 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/15b9bf79d134384a1cac645eba4b055f9bf4ac1d
eded7eb test commmits [second_services_test] hjwp Apr 23, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/eded7ebf6cc5f0fb05dc547af6daee6549e171ca
d1e2e6e services layer with valid-sku check [service_function] hjwp Mar 19, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/d1e2e6e59fb8fe4020bec8425bdbd30b9648ff08
cf2f52b modify flask app to use service layer [flask_app_using_service_layer] hjwp Mar 19, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/cf2f52ba9696b7fa2336b46a55c6f11f180fa203
b537364 strip out unecessary tests from e2e layer [fewer_e2e_tests] hjwp Mar 19, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/b537364dcb7b22e0348fda4b66219e3bfe4d259b
952a3d2 fix conftest waits and travis config [chapter_04_service_layer_ends] hjwp Mar 26, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/952a3d2f53ec56ca320b8415097350799f38de10
bdf8fe9 move to a more nested folder structure hjwp Dec 23, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/bdf8fe94baffb69097e727135b0c6ce77ac87674
1bb572a nest the tests too hjwp Dec 31, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/1bb572af7f8fce0a5236fc005c4d5bc305464c94
db89218 get all tests passing hjwp Dec 31, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/db8921818a5aaeb3495f0405fa089648ade4b306
c5822aa rewrite service layer to take primitives [service_takes_primitives] hjwp Apr 23, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/c5822aa764b767efabc4975060b9533cef094fbf
f341bee services tests partially converted to primitives [tests_call_with_pri… hjwp Apr 23, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/f341bee916afc28fbc23d50be2d1979dadc9978d
1e1f238 fixture function for batches [services_factory_function] hjwp Apr 23, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/1e1f2381e348b29e04a9812114feb8ca6f92bbc9
5c953da new service to add a batch [add_batch_service] hjwp Apr 23, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/5c953dada5e1a136ec21f8eaf15a588e32d4b858
262eec0 service-layer test for add batch [test_add_batch] hjwp Apr 23, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/262eec06146958ed6b8a47d700f9c32fd92638ce
c8fbb60 all service-layer tests now services [services_tests_all_services] hjwp Apr 23, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/c8fbb60a7bbc918e5ea9a3f7ea70d35118c41620
96301d2 modify flask app to use new service layer api [api_uses_modified_serv… hjwp Apr 23, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/96301d2ca4aeb0f884906a500d2044821839dab5
6b404b5 add api endpoint for add_batch [api_for_add_batch] hjwp Apr 24, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/6b404b52471786fccd439875e311985cecf35ea8
fd45a6f api tests no longer need hardcoded sql fixture [chapter_05_high_gear_… hjwp Apr 24, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/fd45a6ff9e0ef20fc4dc698d169139f4f830c775
d9c340c start moving files into src folder and add setup.py hjwp Feb 27, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/d9c340c26624145c4114f7b2b6f7bf963999885f
c843a10 fix all the imports, get it all working hjwp Feb 27, 2019 https://patch-diff.githubusercontent.com/cosmicpython/code/pull/110/commits/c843a10031e471cfd019bbf6f090afa95a251085
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