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* Accommodate column-based naming conventions for pk constraintMike Bayer2021-02-041-1/+7
| | | | | | | | | | | | | | Repaired / implemented support for primary key constraint naming conventions that use column names/keys/etc as part of the convention. In particular, this includes that the :class:`.PrimaryKeyConstraint` object that's automatically associated with a :class:`.schema.Table` will update its name as new primary key :class:`_schema.Column` objects are added to the table and then to the constraint. Internal failure modes related to this constraint construction process including no columns present, no name present or blank name present are now accommodated. Fixes: #5919 Change-Id: Ic2800b50f4a4cd5978bec48cefea0a2e198e0123
* happy new yearMike Bayer2021-01-041-1/+1
| | | | Change-Id: Ic5bb19ca8be3cb47c95a0d3315d84cb484bac47c
* generalize scoped_session proxying and apply to asyncio elementsMike Bayer2020-10-101-2/+33
| | | | | | | | | | | | | | | | | | | | Reworked the proxy creation used by scoped_session() to be based on fully copied code with augmented docstrings and moved it into langhelpers. asyncio session, engine, connection can now take advantage of it so that all non-async methods are availble. Overall implementation of most important accessors / methods on AsyncConnection, etc. , including awaitable versions of invalidate, execution_options, etc. In order to support an event dispatcher on the async classes while still allowing them to hold __slots__, make some adjustments to the event system to allow that to be present, at least rudimentally. Fixes: #5628 Change-Id: I5eb6929fc1e4fdac99e4b767dcfd49672d56e2b2
* upgrade to black 20.8b1Mike Bayer2020-09-281-1/+1
| | | | | | | It's better, the majority of these changes look more readable to me. also found some docstrings that had formatting / quoting issues. Change-Id: I582a45fde3a5648b2f36bab96bad56881321899b
* Adapt event exec_once_mutex to asyncioMike Bayer2020-09-141-2/+11
| | | | | | | | | The pool makes use of a threading.Lock() for the "first_connect" event. if the pool is async make sure this is a greenlet-adapted asyncio lock. Fixes: #5581 Change-Id: If52415839c7ed82135465f1fe93b95d86c305820
* Fix a wide variety of typos and broken linksaplatkouski2020-06-251-1/+1
| | | | | | | | | | | | Note the PR has a few remaining doc linking issues listed in the comment that must be addressed separately. Signed-off-by: aplatkouski <5857672+aplatkouski@users.noreply.github.com> Closes: #5371 Pull-request: https://github.com/sqlalchemy/sqlalchemy/pull/5371 Pull-request-sha: 7e7d233cf3a0c66980c27db0fcdb3c7d93bc2510 Change-Id: I9c36e8d8804483950db4b42c38ee456e384c59e3
* Remove return statement in __init__.Heckad2020-01-041-1/+1
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* happy new yearMike Bayer2020-01-011-1/+1
| | | | Change-Id: I08440dc25e40ea1ccea1778f6ee9e28a00808235
* Add deprecation warnings to all deprecated APIsMike Bayer2019-01-231-0/+4
| | | | | | | | | | | | | | | A large change throughout the library has ensured that all objects, parameters, and behaviors which have been noted as deprecated or legacy now emit ``DeprecationWarning`` warnings when invoked. As the Python 3 interpreter now defaults to displaying deprecation warnings, as well as that modern test suites based on tools like tox and pytest tend to display deprecation warnings, this change should make it easier to note what API features are obsolete. See the notes added to the changelog and migration notes for further details. Fixes: #4393 Change-Id: If0ea11a1fc24f9a8029352eeadfc49a7a54c0a1b
* happy new yearMike Bayer2019-01-111-1/+1
| | | | Change-Id: I6a71f4924d046cf306961c58dffccf21e9c03911
* Post black reformattingMike Bayer2019-01-061-1/+4
| | | | | | | | | | | | | Applied on top of a pure run of black -l 79 in I7eda77fed3d8e73df84b3651fd6cfcfe858d4dc9, this set of changes resolves all remaining flake8 conditions for those codes we have enabled in setup.cfg. Included are resolutions for all remaining flake8 issues including shadowed builtins, long lines, import order, unused imports, duplicate imports, and docstring issues. Change-Id: I4f72d3ba1380dd601610ff80b8fb06a2aff8b0fe
* Run black -l 79 against all source filesMike Bayer2019-01-061-19/+26
| | | | | | | | | | | | | | This is a straight reformat run using black as is, with no edits applied at all. The black run will format code consistently, however in some cases that are prevalent in SQLAlchemy code it produces too-long lines. The too-long lines will be resolved in the following commit that will resolve all remaining flake8 issues including shadowed builtins, long lines, import order, unused imports, duplicate imports, and docstring issues. Change-Id: I7eda77fed3d8e73df84b3651fd6cfcfe858d4dc9
* Tweak code-style and readability in `events/base.py`Iwo Herka2018-11-021-42/+38
| | | | | | | | | This includes a few low-key, syntax-level tweaks and: 1. Rewrite of the if-statment in `Events._accept_with`. 2. Property name change, i.e. from `dispatcher.dispatch_cls` to `dispatcher.dispatch`. In this case postfix `_cls` is confusing as the property is not a class, but an instance of one.
* happy new yearMike Bayer2018-01-121-1/+1
| | | | Change-Id: I3ef36bfd0cb0ba62b3123c8cf92370a43156cf8f
* update for 2017 copyrightMike Bayer2017-01-041-1/+1
| | | | Change-Id: I4e8c2aa8fe817bb2af8707410fa0201f938781de
* - happy new yearMike Bayer2016-01-291-1/+1
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* - copyright 2015Mike Bayer2015-03-101-1/+1
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* - scale back _Dispatch and _JoinedDispatcher to use a __getitem__ schemeMike Bayer2015-01-041-12/+29
| | | | | | to start up listener collections; this pulls the overhead off of construction and makes performance much like the descriptor version, while still allowing slots. Fix up some profiles.
* - wip - start factoring events so that we aren't using descriptors for dispatch,Mike Bayer2015-01-041-48/+98
| | | | allowing us to move to __slots__
* - start trying to move things into __slots__. This seems to reduce theslotsMike Bayer2015-01-041-0/+2
| | | | | size of the many per-column objects we're hitting, but somehow the overall memory is hardly being reduced at all in initial testing
* - apply pep8 formatting to sqlalchemy/sql, sqlalchemy/util, sqlalchemy/dialects,Brian Jarrett2014-07-201-11/+13
| | | | sqlalchemy/orm, sqlalchemy/event, sqlalchemy/testing
* - break up the <authors> copyright comment as part of a passMike Bayer2014-07-091-1/+2
| | | | to get all flake8 passing
* Documentation fix-up: "its" vs. "it's"pr/91Matthias Urlichs2014-05-111-1/+1
| | | | | | | | | Removed ungrammatical apostrophes from documentation, replacing "it's" with "its" where appropriate (but in a few cases with "it is" when that read better). While doing that, I also fixed a couple of minor typos etc. as I noticed them.
* - happy new yearMike Bayer2014-01-051-1/+1
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* - add copyright to source files missing itMike Bayer2013-10-261-0/+6
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* - apply an import refactoring to the ORM as wellMike Bayer2013-08-141-2/+42
| | | | | | | | | - rework the event system so that event modules load after their targets, dependencies are reversed - create an improved strategy lookup system for the ORM - rework the ORM to have very few import cycles - move out "importlater" to just util.dependency - other tricks to cross-populate modules in as clear a way as possible
* - Removal of event listeners is now implemented. The feature isMike Bayer2013-07-261-0/+171
provided via the :func:`.event.remove` function. [ticket:2268] - reorganization of event.py module into a package; with the addition of the docstring work as well as the new registry for removal, there's a lot more code now. the package separates concerns and provides a top-level doc for each subsection of functionality - the remove feature works by providing the EventKey object which associates the user-provided arguments to listen() with a global, weak-referencing registry. This registry stores a collection of _ListenerCollection and _DispatchDescriptor objects associated with each set of arguments, as well as the wrapped function which was applied to that collection. The EventKey can then be recreated for a removal, all the _ListenerCollection and _DispatchDescriptor objects are located, and the correct wrapped function is removed from each one.
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