Changelog¶

This section lists the biggest changes done on each release.

Release 1.0 ¶

BACKWARD INCOMPATIBLE:: dropped support for django prior 1.6
code clean
fixes issue #54 (thanks vmspike).
fixes issue #53. updates Documentation
disable_concurrency() can now disable concurrency in any model
disable_concurrency() is now also a decorator
BACKWARD INCOMPATIBLE:: removed custom backends. TriggerVerionField can be used with standard Django
new way to create triggers (thanks Naddiseo)
new trigger code
new :method:`TriggerVersionField.check`.
new TriggerVersionField.trigger_name.
new CONCURRECY_ENABLED to fully disable concurrency
new CONCURRECY_MANUAL_TRIGGERS to disable triggers auto creation fixes issue #41 (thanks Naddiseo)

django 1.8 compatibility
python 3.4 compatibility
BACKWARD INCOMPATIBLE :function:`disable_concurrency` works differently if used with classes or instances
better support for external Models (models that are part of plugged-in applications)
fixes issue with TriggerVersioField and Proxy Models (thanx Richard Eames)

backward compatibility updates. Do not check for concurrency if 0 is passed as version value

(ie. no value provided by the form)

new concurrency.fields.TriggerVersionField
start using pytest
moved tests outside main package
new protocol see:ref:protocols
it’s now possible disable concurrency in Models that extends concurrency enabled models
fixed issue #23 (thanks matklad)
new USE_SELECT_FOR_UPDATE

new disable_concurrency() context manager
added documentation for concurrency.middleware.ConcurrencyMiddleware
BACKWARD INCOMPATIBLE Fixed typo: CONCURRECY_SANITY_CHECK now CONCURRENCY_SANITY_CHECK
added disable_sanity_check context manager
added configuration
check admin actions for concurrent deletion
added concurrency check for admin’s Handle list_editable

start deprecation of concurrency.core.VersionChangedError, concurrency.core.RecordModifiedError,

concurrency.core.InconsistencyError,moved in concurrency.exceptions
start deprecation of concurrency.core.apply_concurrency_check, concurrency.core.concurrency_check moved in concurrency.api
added CONCURRECY_SANITY_CHECK settings entry
signing of version number to avoid tampering (ConcurrentForm)
added ConcurrencyTestMixin to help test on concurrency managed models
changed way to add concurrency to exisiting models (apply_concurrency_check())
fixed issue #4 (thanks FrankBie)
removed RandomVersionField
new concurrency_check
added ConcurrentForm to mitigate some concurrency conflict
select_for_update now executed with nowait=True
removed some internal methods, to avoid unlikely but possible name clashes