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29 Commits

Author SHA1 Message Date
Simon Charette 2faeb21d2f Moved _get_model_tuple() to the base Operation class. 
This allows field and special operations to use this logic.
 2017-12-30 14:50:43 -05:00
Anton Samarchyan 60e52a047e Refs #27656 -- Updated django.db docstring verbs according to PEP 257. 2017-02-28 09:17:27 -05:00
Simon Charette cecc079168 Refs #23919 -- Stopped inheriting from object to define new style classes. 2017-01-19 08:39:46 +01:00
Claude Paroz d7b9aaa366 Refs #23919 -- Removed encoding preambles and future imports 2017-01-18 09:55:19 +01:00
Simon Charette 729e0b086d Fixed #24109 -- Allowed RunSQL and RunPython operations to be elided. 
Thanks to Markus Holtermann and Tim Graham for their review.
 2016-01-23 14:19:03 -05:00
Simon Charette 49f4c9f4c6 Fixed #26064 -- Moved operation reduction logic to their own class. 
Thanks to Markus Holtermann and Tim Graham for their review.
 2016-01-23 14:19:02 -05:00
Claude Paroz 8097e54832 Fixed #23879 -- Allowed model migration skip based on feature/vendor 
Thanks Carl Meyer for the report and review, and Tim Graham for the
review.
 2015-04-18 15:17:49 +02:00
Loic Bistuer bed504d70b Fixed #24351, #24346 -- Changed the signature of allow_migrate(). 
The new signature enables better support for routing RunPython and
RunSQL operations, especially w.r.t. reusable and third-party apps.

This commit also takes advantage of the deprecation cycle for the old
signature to remove the backward incompatibility introduced in #22583;
RunPython and RunSQL won't call allow_migrate() when when the router
has the old signature.

Thanks Aymeric Augustin and Tim Graham for helping shape up the patch.

Refs 22583.
 2015-02-20 21:34:09 +07:00
Tim Graham 0ed7d15563 Sorted imports with isort; refs #23860. 2015-02-06 08:16:28 -05:00
Loic Bistuer 8f4877c89d Fixed #22583 -- Allowed RunPython and RunSQL to provide hints to the db router. 
Thanks Markus Holtermann and Tim Graham for the review.
 2015-01-10 00:30:48 +07:00
Carl Meyer bcb693ebd4 Revert "Fixed #23892 -- Made deconstructible classes forwards compatible" 
This reverts commit f36151ed16.

Adding kwargs to deconstructed objects does not achieve useful
forward-compatibility in general, since additional arguments are silently
dropped rather than having their intended effect. In fact, it can make the
failure more difficult to diagnose. Thanks Shai Berger for discussion.
 2014-11-22 22:29:23 -07:00
Carl Meyer f36151ed16 Fixed #23892 -- Made deconstructible classes forwards compatible 2014-11-22 14:30:14 -07:00
Patryk Zawadzki 21e21c7bc2 Fixed #23844 -- Used topological sort for migration operation dependency resolution. 
This removes the concept of equality between operations to guarantee
compatilibity with Python 3.

Python 3 requires equality to result in identical object hashes. It's
impossible to implement a unique hash that preserves equality as
operations such as field creation depend on being able to accept
arbitrary dicts that cannot be hashed reliably.

Thanks Klaas van Schelven for the original patch in
13d613f800.
 2014-11-20 12:49:49 -05:00
twidi 82aca216e1 Reordered condition to avoid calling allow_migrate() if unneeded. 2014-11-17 18:32:42 +01:00
Andrew Godwin 8f9862cd4d Fixed #23275: Unmanaged models kept by autodetector, ignored by ops 2014-08-12 12:49:20 -07:00
Andrew Godwin 8d2ac948a9 Fixed #22853: Swapped models are now ignored for migration operations. 2014-06-17 17:45:38 -07:00
Andrew Godwin 5a917cfef3 Fixed #22496: Data migrations get transactions again! 2014-05-07 14:28:34 -07:00
Claude Paroz 12474dacef Added a bunch of missing unicode_literals 
Refs #22564.
 2014-05-06 09:13:07 +02:00
Loic Bistuer 374faa4721 Fixed #21323 -- Improved readability of serialized Operation. 2014-01-20 00:16:07 +07:00
Alex Gaynor e5b7045422 flake8 fixes 2013-11-06 20:00:48 -08:00
Andrew Godwin 106b019dc9 Massive migration optimiser improvements + RenameModel opn 2013-11-06 13:47:58 +00:00
Andrew Godwin 42f8666f6a Improve migration optimizer to be able to optimize through other ops 2013-10-16 11:09:33 +01:00
Andrew Godwin a80d9ab0fe Initial version of MigrationOptimizer and tests 2013-10-02 17:34:22 +01:00
Andrew Godwin 3b810c5656 Add RunPython migration operation and tests 2013-09-25 13:58:07 +01:00
Gregor MacGregor b2b763448f Fixed #20841 -- Added messages to NotImplementedErrors 
Thanks joseph at vertstudios.com for the suggestion.
 2013-09-10 11:09:59 -04:00
Andrew Godwin f25a385a5e Makemigration command now works 2013-06-19 16:23:52 +01:00
Andrew Godwin 4492f06408 A bit of an autodetector and a bit of a writer 2013-06-07 15:28:38 +01:00
Andrew Godwin d0ecefc2c9 Start adding operations that work and tests for them 2013-05-29 17:47:10 +01:00
Andrew Godwin 76d93a52cd Make a start on operations and state (not sure if final layout) 2013-05-10 17:07:13 +01:00