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CHANGES.txt
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CHANGES.txt
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Revision history
----------------
0.14.5, 2018-10-14
* Fix #137, deprecation warnings in Python 3.7. Thanks @thombashi for this!
* Fix #129, building via setuptools and setup.py. Thanks @galuszkak for this!
0.14.4, 2018-07-08
* Fix #133, minor Python 3.7 compatibility issue. Pyrsistent is now officially Python 3.7 compliant!
v0.14.3, 2018-06-11
* Fix #123 regression where type names break sequence fields. Thanks @doozr for this!
* Fix #124 using the class name to make AttributeError on __getattr__ more informative for PRecords.
Thanks @neilvyas for this!
* Fix #125 how fields handle type arguments. Thanks @neilvyas for this!
v0.14.2, 2017-12-06
* Fix #121, regression in PClass.set() introduced in 0.14.1.
v0.14.1, 2017-11-27
* Equality check performance improvements for pvectors and pmaps. Thanks @dtomas for this!
* Avoid calling factories multiple times for fields that do not change, see PR #120 for for
details. Thanks @teepark for this!
v0.14.0, 2017-10-08
* Fix #117, pmap now accepts iterators as input to constructor. Thanks @Julian for this!
* Drop support for Python 2.6. Nothing has been done in this release that will explicitly
break pyrsistent for 2.6 but it will not be considered moving forward. Dropping 2.6
support is the reason for stepping the second decimal instead of the third.
v0.13.0, 2017-09-01
* Fix #113, Skip field factories when loading pickled objects. There is a
minor backwards incompatibilty in the behaviour because of this. Thanks
@teepark for fi this!
* Fix #116, negative indexing for pdeques. Thanks @Julian for this!
v0.12.3, 2017-06-04
* Fix #83, make it possible to use Python 3 enums as field type without having to wrap it in
a list or tuple. Thanks @douglas-treadwell for this!
v0.12.2, 2017-05-30
* Fix #108, now possible to use the values in predicates to transform. Thanks @exarkus for this!
* Fix #107, support multiple level of __invariant__ inheritance. Thanks @exarkus for this!
v0.12.1, 2017-02-26
* Fix #97, initialize CheckedPVector from iterator-
* Fix #97, cache hash value on PMap. Thanks @sarum90 for this!
v0.12.0, 2017-01-06
* Fix #87, add function get_in() for access to elements in deeply nested structures.
* Fix #91, add method update() to pset and pbag.
* Fix #92, incorrect discard of elements in transform on pvector
* This is a release candidate for 1.0 as I now consider pyrsistent fairly stable.
v0.11.13, 2016-04-03
* Fix #84, pvector segfault in CPython 3 when repr of contained object raises Exception.
* Update README to cover for issue described in #83.
v0.11.12, 2016-02-06
* Minor modifications of tests to allow testing as requested in #79 and #80.
* Also run CI tests under python 3.5
v0.11.11, 2016-01-31
* #78, include tests in pypi dist.
v0.11.10, 2015-12-27, NOTE! This release contains a backwards incompatible change
despite only stepping the patch version number. See below.
* Implement #74, attribute access on PClass evolver
* Implement #75, lazily evaluated invariant messages by providing a
callable with no arguments.
* Initial values on fields can now be evaluated on object creation
by providing a callable with no arguments.
NOTE! If you previously had callables as initial values this change means that those
will be called upon object creation which may not be what you want. As
a temporary workaround a callable returning a callable can be used. This
feature and the concept of initial values will likely change slightly in the future.
See #77 and and #76 for more information.
v0.11.9, 2015-11-01
* Added PVector.remove(), thanks @radix for initiating this!
v0.11.8, 2015-10-18
* Fix #66, UnicodeDecodeError when doing pip install in environments with ascii encoding as default.
Thanks @foolswood!
* Implement support for multiple types in pmap_field(), pvector_field() and pset_field(). Thanks @itamarst!
v0.11.7, 2015-10-03
* Fix #52, occasional SEGFAULTs due to misplaced call to PyObject_GC_Track. Thanks @jkbjh for this!
* Fix #42, complete support for delete. Now also on the C-implementation of the PVectorEvolver.
Thanks @itamarst for contributing a whole bunch of Hypothesis test cases covering the evolver operations!
v0.11.6, 2015-09-30
* Add +, -, & and | operations to PBag. Thanks @Futrell for this!
v0.11.5, 2015-09-29
* Fix bug introduced in 0.11.4 that prevented multi level inheritance from PClass.
* Make PClassMeta public for friendlier subclassing
v0.11.4, 2015-09-28
* Fix #59, make it possible to create weakrefs to all collection types.
Thanks @itamarst for reporting it.
* Fix #58, add __str__ to InvariantException. Thanks @tomprince for reporting it.
v0.11.3, 2015-09-15
* Fix #57, support pickling of PClasses and PRecords using pmap_field, pvector_field, and pset_field.
Thanks @radix for reporting this and submitting a fix for it!
v0.11.2, 2015-09-09
* Fix bug causing potential element loss when reallocating PMap. Thanks to @jml for finding
this and submitting a PR with a fix!
* Removed python 3.2 test build from Travis. There is nothing breaking 3.2 compatibility in this
release but there will be no effort moving forward to keep the 3.2 compatibility.
v0.11.1, 2015-08-24
* Fix #51, PClass.set() broken when used with string+value argument.
* #50, make it possible to specify more than one assertion in an invariant
* #48, make it possible to make recursive type references by using a string
as type specification.
v0.11.0, 2015-07-11
* #42, delete() function added to PVector to allow deletion of elements by index
and range. Will perform a full copy of the vector, no structural sharing.
Thanks @radix for helping out with this one!
* Fix #39, explicitly disallow ordering for PMap and PBag, Python 3 style
* Fix #37, PMap.values()/keys()/items() now returns PVectors instead of lists
v0.10.3, 2015-06-13
* Fix #40, make it possible to disable the C extension by setting the
PYRSISTENT_NO_C_EXTENSION environment variable.
v0.10.2, 2015-06-07
* Fix #38, construction from serialized object for pvector/pset/pmap fields.
v0.10.1, 2015-04-27
* Fix broken README.rst
v10.0.0, 2015-04-27
* New type PClass, a persistent version of a Python object. Related to issues #30 and #32.
Thanks @exarkun and @radix for input on this one!
* Rename PRecordTypeError -> PTypeError, it is now also raised by PClass
* New convenience functions, pvector_field, pmap_field and pset_field to create PRecord/PClass
fields for checked collections. Issues #26 and #36. Thanks to @itamarst for this!
* Removed deprecated function set_in() on PMap and PVector.
* Removed deprecated factory function pclass.
* Major internal restructuring breaking pyrsistent.py into multiple files. This should
not affect those only using the public interface but if you experience problems please
let me know.
v0.9.4, 2015-04-20
* Fix #34, PVector now compares against built in list type
v0.9.3, 2015-04-06
* Rename pclass back to immutable and deprecate the usage of the pclass function. PClass will be used by
a new, different type in upcoming releases.
* Documentation strings for the exceptions introduced in 0.9.2.
v0.9.2, 2015-04-03
* More informative type errors from checked types, issue #30
* Support multiple optional types, issue #28
v0.9.1, 2015-02-25
* Multi level serialization for checked types
v0.9.0, 2015-02-25, Lots of new stuff in this release!
* Checked types, checked versions of PVector, PMap, PSet that support type and invariant specification.
Currently lacking proper documentation but I'm working on it.
* set_in() on PVector and PMap are now deprecated and will be removed in the next release.
Use transform() instead. set_in() has been updated to use transform() for this release
this means that some corner error cases behave slightly different than before.
* Refactoring of the PVector to unify the type. Should not have any user impact as long as
only the public interface of pyrsistent has been used. PVector is now an abstract base class
with which the different implementations are registered.
* Evolvers have been updated to return themselves for evolving operations to allow function chaining.
* Richer exception messages for KeyErrors and IndexErrors specifying the key/index that caused the failure.
Thanks @radix for this.
* Missing attribute on PMaps when accessing with dot-notation now raises an AttributeError instead of a
KeyError. Issue #21.
* New function decorator @mutant that freezes all input arguments to a function and the return value.
* Add __version__ to pyrsistent.py. Issue #23.
* Fix pickling for pset. Issue #24.
v0.8.0, 2015-01-21
* New type PRecord. Subtype of PMap that allows explicit, declarative field specification. Thanks @boxed
for inspiration!
* Efficient transformations of arbitrary complexity on PMap and PVector. Thanks @boxed for inspiration!
* Breaking change to the evolver interface. What used to be .pvector(), .pmap() and .pset()
on the different evolvers has now been unified so that all evolvers have one method .persistent()
to produce the persistent counterpart. Sorry for any inconvenience.
* Removed the tests directory from the package.
* PMap and PSet now contains a copy-function to closer mimic the interface of the dict and set. These
functions will simply return a reference to self.
* Removed deprecated alias 'immutable' from pclass.
v0.7.1, 2015-01-17
* Fixes #14 where a file executed (unexpectedly) during installation was not python 3 compatible.
v0.7.0, 2015-01-04, No 1.0, instead a bunch of new stuff and one API breaking change to PMap.remove().
* Evolvers for pvector, pmap and pset to allow simple and efficient updates of multiple elements
in the collection. See the documentation for a closer description.
* New method mset on pvector to update multiple values in one operation
* Remove deprecated methods merge and merge_with on PMap
* Change behavior of PMap.remove, it will now raise a KeyError if the element is not present.
New method PMap.discard will instead return the original pmap if the element is not present.
This aligns the PMap with how things are done in the PSet and is closer to the behavior of the
built in counterparts.
v0.6.3, 2014-11-27
* Python 2.6 support, thanks @wrmsr!
* PMap.merge/merge_with renamed to update/update_with. merge/merge_with remains but will be
removed for 1.0.
* This is a release candidate for 1.0! Please be aware that PMap.merge/merge_with and immutable()
will be removed for 1.0.
v0.6.2, 2014-11-03
* Fix typo causing the pure python vector to be used even if the C implementation was
available. Thanks @zerc for finding it!
v0.6.1, 2014-10-31
* Renamed 'immutable' to 'pclass' for consistency but left immutable for compatibility.
v0.6.0, 2014-10-25
* New data structure, persistent linked list
* New data structure, persistent double ended queue
v0.5.0, 2014-09-24
* New data structure, persistent bag / multiset
* New functions freeze and thaw to recursively convert between python
built in data types and corresponding pyrsistent data types.
* All data structures can now be pickled
* New function merge_in on persistent map which allows a user
supplied function to implement the merge strategy.
v0.4.0, 2014-09-20
* Full Python 3 support.
* Immutable object implemented.
* Bug fixes in PVector.__repr__() and PMap.__hash__() and index check of PVector.
* Repr changed to be fully cut and paste compatible
* Changed assoc() -> set(), assoc_in() -> set_in(), massoc() -> mset().
Sorry for the API breaking change but I think those names are more pythonic.
* Improved documentation.
v0.3.1, 2014-06-29
* assoc() on PSet renamed back to add()
v0.3.0, 2014-06-28
* Full Sequence protocol support for PVector
* Full Mapping protocol support for PMap
* Full Set protocol support for PSet
* assoc_in() support for both PMap and PVector
* merge() support for PMap
* Performance improvements to the PVector C extension speed up allocation
v0.2.1, 2014-06-21
* Supply the tests with the distribution
v0.2.0, 2014-06-21
* New C extension with an optimized version of the persistent vector
* Updated API slightly
v0.1.0, 2013-11-10
* Initial release.
TODO (in no particular order)
-----------------------------
- Versioned data structure where the different versions can be accessed by index?
- Ordered sets and maps
- A good performance measurement suite