2022-12-03 22:34:11 +00:00
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Sat Dec 3 21:52:31 UTC 2022 - Yogalakshmi Arunachalam <yarunachalam@suse.com>
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- Update to v0.9.0
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Features
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* A new reporter hook rejecting_candidate is added, replacing backtracking. The hook is called every time the resolver
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rejects a conflicting candidate before trying out the next one in line. #101
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Bug Fixes
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* Some valid states that were previously rejected are now accepted. This affects states where multiple candidates for the
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same dependency conflict with each other. The information argument passed to AbstractProvider.get_preference may now contain
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empty iterators. This has always been allowed by the method definition but it was previously not possible in practice. #91
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2022-07-17 08:26:53 +00:00
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Sun Jul 17 08:24:27 UTC 2022 - Dirk Müller <dmueller@suse.com>
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- update to 0.8.1:
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* A new reporter hook ``resolving_conflicts`` is added. The resolver triggers
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* this hook when it detects conflicts in the dependency tree, and before it
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* attempts to fix them. The hook accepts one single argument ``causes``, which
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* is a list of ``(requirement, parent)`` 2-tuples that represents all the
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* edges that lead to the detected conflicts.
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- update to 0.8.0:
* Add ``backtrack_causes`` to ``get_preference``, which contains information
about the requirements involved in the most recent backtrack. This allows
the provider to utilise this information to tweak the ordering as well as
for recording/reporting conflicts.
* When merging a candidate's dependencies, make sure the merge target is
up-to-date within the loop, so the merge does not lose information when a
candidate returns multiple dependency specifications under one identifier
(e.g. specifyiung two dependencies ``a>1`` and ``a<2``, instead of one single
``a>1,<2`` dependency). `#80 <https://github.com/sarugaku/resolvelib/issues/80>`_
* Redesign ``get_preference()`` to include resolution state on dependencies
other than the currently working one, to allow the provider to better take
account of the global resolver knowledge and determine the best strategy. The
provider now can, for example, correctly calculate how far a dependency is
from the root node in the graph. `#74 <https://github.com/sarugaku/resolvelib/issues/74>`_
* A new argument ``incompatibilities`` is now passed to the ``find_matches()``
hook, which the provider must use to exclude matches from the return value.
* Redesign ``find_matches()`` to include resolution state on dependencies other
than the currently working one, to handle usages that need to return candidates
based on non-local states. One such example is PEP 508 direct URLs specified
on a package, which need to be available to the same package specified with
extras (which would have a different identifier).
* The resolver no longer relies on implicit candidate equality to detect
incompatibilities. This is done by an additional ``find_matches()`` argument;
see the *Features* section to learn more.
* Provide type stubs for most classes.
* Fix a state management bug that causes the resolver to enter an infinite loop
in certain backtracking cases.
* Fix a performance regression if ``find_matches()`` returns a non-built-in sequence instance.
* ``find_matches()`` now may return a ``Callable[[], Iterator[Candidate]]`` to
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-resolvelib?expand=0&rev=7
2021-11-07 18:30:29 +00:00
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-------------------------------------------------------------------
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Sun Nov 7 18:26:54 UTC 2021 - Dirk Müller <dmueller@suse.com>
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- update to 0.8.0:
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* Add ``backtrack_causes`` to ``get_preference``, which contains information
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about the requirements involved in the most recent backtrack. This allows
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the provider to utilise this information to tweak the ordering as well as
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for recording/reporting conflicts.
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* When merging a candidate's dependencies, make sure the merge target is
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up-to-date within the loop, so the merge does not lose information when a
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candidate returns multiple dependency specifications under one identifier
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(e.g. specifyiung two dependencies ``a>1`` and ``a<2``, instead of one single
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``a>1,<2`` dependency). `#80 <https://github.com/sarugaku/resolvelib/issues/80>`_
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* Redesign ``get_preference()`` to include resolution state on dependencies
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other than the currently working one, to allow the provider to better take
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account of the global resolver knowledge and determine the best strategy. The
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provider now can, for example, correctly calculate how far a dependency is
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from the root node in the graph. `#74 <https://github.com/sarugaku/resolvelib/issues/74>`_
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* A new argument ``incompatibilities`` is now passed to the ``find_matches()``
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hook, which the provider must use to exclude matches from the return value.
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* Redesign ``find_matches()`` to include resolution state on dependencies other
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than the currently working one, to handle usages that need to return candidates
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based on non-local states. One such example is PEP 508 direct URLs specified
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on a package, which need to be available to the same package specified with
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extras (which would have a different identifier).
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* The resolver no longer relies on implicit candidate equality to detect
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incompatibilities. This is done by an additional ``find_matches()`` argument;
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see the *Features* section to learn more.
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* Provide type stubs for most classes.
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* Fix a state management bug that causes the resolver to enter an infinite loop
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in certain backtracking cases.
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* Fix a performance regression if ``find_matches()`` returns a non-built-in sequence instance.
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* ``find_matches()`` now may return a ``Callable[[], Iterator[Candidate]]`` to
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avoid needing to provide all candidates eagerly for the resolver. This
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improves performance when fetching candidates is costly, but not always
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required.
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* Add ``parent`` argument to the ``add_requirement()`` reporter hook.
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* Redesign ``find_matches()`` to support a requirement "adding" candidates to
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the set, and nudge the provider away from implementing ``find_matches()`` and
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``is_satisfied_by()`` with incorrect set properties.
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2020-04-16 10:26:01 +00:00
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-------------------------------------------------------------------
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Wed Apr 15 15:49:52 UTC 2020 - Marketa Calabkova <mcalabkova@suse.com>
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- Update to 0.3.0
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* Provide both the requirements and their parents as exceptiondata for the
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``ResolutionImpossible`` exception, via a ``causes`` attribute that replaces
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the previous ``requirements`` attribute.
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* Make resolver backtrack when none of the candidates requested for a package
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are able to resolve due to them requesting unworkable requirements, or a
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package has no candidates at all. Previously the resolver would give up on the
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spot.
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* Ensure the result returned by the resolver only contains candidates that are
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actually needed. This is done by tracing the graph after resolution completes,
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snipping nodes that don’t have a route to the root.
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2019-03-17 15:30:33 +00:00
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-------------------------------------------------------------------
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Sat Mar 16 17:27:15 UTC 2019 - Jan Engelhardt <jengelh@inai.de>
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- Use noun phrase in descriptions.
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2019-03-07 12:49:53 +00:00
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-------------------------------------------------------------------
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Fri Mar 1 01:57:24 PM UTC 2019 - John Vandenberg <jayvdb@gmail.com>
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- Initial spec for v0.2.2
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