File python-attrs.changes of Package python-attrs.18655

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File python-attrs.changes of Package python-attrs.18655

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Wed Jan  3 23:08:32 UTC 2018 - arun@gmx.de

- specfile:
  * update copyright year

- update to version 17.4.0:
  * Backward-incompatible Changes
    + The traversal of MROs when using multiple inheritance was
      backward:
      If you defined a class "C" that subclasses "A" and "B" like
      "C(A, B)", "attrs" would have collected the attributes from "B"
      *before* those of "A".
      This is now fixed and means that in classes that employ multiple
      inheritance, the output of "__repr__" and the order of
      positional arguments in "__init__" changes.
      Due to the nature of this bug, a proper deprecation cycle was
      unfortunately impossible.
      Generally speaking, it's advisable to prefer "kwargs"-based
      initialization anyways – *especially* if you employ multiple
      inheritance and diamond-shaped hierarchies.
    + The "__repr__" set by "attrs" no longer produces an
      "AttributeError" when the instance is missing some of the
      specified attributes (either through deleting or after using
      "init=False" on some attributes).
      This can break code that relied on "repr(attr_cls_instance)"
      raising "AttributeError" to check if any attr-specified members
      were unset.
      If you were using this, you can implement a custom method for
      checking this::

def has_unset_members(self):
          for field in attr.fields(type(self)):
              try:
                  getattr(self, field.name)
              except AttributeError:
                  return True
          return False
  * Deprecations
    + The "attr.ib(convert=callable)" option is now deprecated in
      favor of "attr.ib(converter=callable)".
      This is done to achieve consistency with other noun-based
      arguments like *validator*.  *convert* will keep working until
      at least January 2019 while raising a "DeprecationWarning".

* Changes
    + Generated "__hash__" methods now hash the class type along with
      the attribute values.  Until now the hashes of two classes with
      the same values were identical which was a bug.
      The generated method is also *much* faster now.
    + "attr.ib"’s "metadata" argument now defaults to a unique empty
      "dict" instance instead of sharing a common empty "dict" for
      all.  The singleton empty "dict" is still enforced.
    + "ctypes" is optional now however if it's missing, a bare
      "super()" will not work in slots classes.  This should only
      happen in special environments like Google App Engine.
    + The attribute redefinition feature introduced in 17.3.0 now
      takes into account if an attribute is redefined via multiple
      inheritance.  In that case, the definition that is closer to the
      base of the class hierarchy wins.
    + Subclasses of "auto_attribs=True" can be empty now.
    + Equality tests are *much* faster now.
    + All generated methods now have correct "__module__", "__name__",
      and (on Python 3) "__qualname__" attributes.

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Thu Dec 21 16:10:47 UTC 2017 - jmatejek@suse.com

- add test requirements, run tests conditionally
  (not BuildRequiring pytest fixes bsc#1073845)

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Thu Nov  9 18:50:46 UTC 2017 - arun@gmx.de

- update to version 17.3.0:
  * Backward-incompatible Changes
    + Attributes are not defined on the class body anymore.  This
      means that if you define a class "C" with an attribute "x", the
      class will *not* have an attribute "x" for introspection
      anymore.  Instead of "C.x", use "attr.fields(C).x" or look at
      "C.__attrs_attrs__".  The old behavior has been deprecated since
      version 16.1.  (`#253
      <https://github.com/python-attrs/attrs/issues/253>`_)
  * Changes
    + "super()" and "__class__" now work on Python 3 when
      "slots=True".  (`#102
      <https://github.com/python-attrs/attrs/issues/102>`_, `#226
      <https://github.com/python-attrs/attrs/issues/226>`_, `#269
      <https://github.com/python-attrs/attrs/issues/269>`_, `#270
      <https://github.com/python-attrs/attrs/issues/270>`_, `#272
      <https://github.com/python-attrs/attrs/issues/272>`_)- Added
      "type" argument to "attr.ib()" and corresponding "type"
      attribute to "attr.Attribute".  This change paves the way for
      automatic type checking and serialization (though as of this
      release "attrs" does not make use of it).  In Python 3.6 or
      higher, the value of "attr.Attribute.type" can alternately be
      set using variable type annotations (see `PEP 526
      <https://www.python.org/dev/peps/pep-0526/>`_). (`#151
      <https://github.com/python-attrs/attrs/issues/151>`_, `#214
      <https://github.com/python-attrs/attrs/issues/214>`_, `#215
      <https://github.com/python-attrs/attrs/issues/215>`_, `#239
      <https://github.com/python-attrs/attrs/issues/239>`_)
    + The combination of "str=True" and "slots=True" now works on
      Python 2.  (`#198
      <https://github.com/python-attrs/attrs/issues/198>`_)
    + "attr.Factory" is hashable again. (`#204
      <https://github.com/python-attrs/attrs/issues/204>`_)
    + Subclasses now can overwrite attribute definitions of their
      superclass.  That means that you can -- for example -- change
      the default value for an attribute by redefining it.  (`#221
      <https://github.com/python-attrs/attrs/issues/221>`_, `#229
      <https://github.com/python-attrs/attrs/issues/229>`_)
    + Added new option "auto_attribs" to "@attr.s" that allows to
      collect annotated fields without setting them to "attr.ib()".
      Setting a field to an "attr.ib()" is still possible to supply
      options like validators.  Setting it to any other value is
      treated like it was passed as "attr.ib(default=value)" --
      passing an instance of "attr.Factory" also works as expected.
      (`#262 <https://github.com/python-attrs/attrs/issues/262>`_,
      `#277 <https://github.com/python-attrs/attrs/issues/277>`_)
    + Instances of classes created using "attr.make_class()" can now
      be pickled.  (`#282
      <https://github.com/python-attrs/attrs/issues/282>`_)

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Tue Jul  4 05:04:08 UTC 2017 - tbechtold@suse.com

- update to 17.2.0:
  - Validators are hashable again.
  - ``attrs`` will set the ``__hash__()`` method to ``None`` by default now.
    The way hashes were handled before was in conflict with `Python's
    specification
    This *may* break some software although this breakage is most likely just
    surfacing of latent bugs.
    You can always make ``attrs`` create the ``__hash__()`` method using
    ``@attr.s(hash=True)``. See `#136`_ for the rationale of this change.
  - Correspondingly, ``attr.ib``'s ``hash`` argument is ``None`` by default too
    and mirrors the ``cmp`` argument as it should.
  - ``attr.assoc()`` is now deprecated in favor of ``attr.evolve()`` and will
    stop working in 2018.
  - Fix default hashing behavior.
    Now *hash* mirrors the value of *cmp* and classes are unhashable by default.
  - Added ``attr.evolve()`` that, given an instance of an ``attrs`` class and
    field changes as keyword arguments, will instantiate a copy of the given
    instance with the changes applied.
  - ``FrozenInstanceError`` is now raised when trying to delete an attribute
    from a frozen class.
  - Frozen-ness of classes is now inherited.
  - ``__attrs_post_init__()`` is now run if validation is disabled.
  - Added ``attr.validators.in_(options)`` that, given the allowed `options`,
    checks whether the attribute value is in it.
    This can be used to check constants, enums, mappings, etc.
  - Added ``attr.validators.and_()`` that composes multiple validators into one.
  - For convenience, the ``validator`` argument of ``@attr.s`` now can take a
    ``list`` of validators that are wrapped using ``and_()``.
  - Accordingly, ``attr.validators.optional()`` now can take a ``list`` of
    validators too.
  - Validators can now be defined conveniently inline by using the attribute as
    a decorator.
  - ``attr.Factory()`` now has a ``takes_self`` argument that makes the
    initializer to pass the partially initialized instance into the factory.
    In other words you can define attribute defaults based on other attributes.
  - Default factories can now also be defined inline using decorators.
    They are *always* passed the partially initialized instance.
  - Conversion can now be made optional using ``attr.converters.optional()``.
  - ``attr.make_class()`` now accepts the keyword argument ``bases`` which
    allows for subclassing.
  - Metaclasses are now preserved with ``slots=True``.
  - Attributes now can have user-defined metadata which greatly improves
    ``attrs``'s extensibility.
  - Allow for a ``__attrs_post_init__()`` method that -- if defined -- will get
    called at the end of the ``attrs``-generated ``__init__()`` method.
  - Added ``@attr.s(str=True)`` that will optionally create a ``__str__()``
    method that is identical to ``__repr__()``.
  - ``__name__`` is not overwritten with ``__qualname__`` for
    ``attr.s(slots=True)`` classes anymore.
  - Added ``attr.astuple()`` that -- similarly to ``attr.asdict()`` --
    returns the instance as a tuple.
  - Converts now work with frozen classes.
  - Instantiation of ``attrs`` classes with converters is now significantly
    faster.
  - Pickling now works with ``__slots__`` classes.
  - ``attr.assoc()`` now works with ``__slots__`` classes.
  - The tuple returned by ``attr.fields()`` now also allows to access the
    ``Attribute`` instances by name.
  - All instances where function arguments were called ``cl`` have been changed
    to the more Pythonic ``cls``.
  - Accessing ``Attribute`` instances on class objects is now deprecated and
    will stop working in 2017.
  - The serious business aliases ``attr.attributes`` and ``attr.attr`` have been
    deprecated in favor of ``attr.attrs`` and ``attr.attrib`` which are much
    more consistent and frankly obvious in hindsight.
  - ``attr.asdict()``\ 's ``dict_factory`` arguments is now propagated on
    recursion.
  - ``attr.asdict()``, ``attr.has()`` and ``attr.fields()`` are significantly
    faster.
  - Add ``attr.attrs`` and ``attr.attrib`` as a more consistent aliases for
    ``attr.s`` and ``attr.ib``.
  - Add ``frozen`` option to ``attr.s`` that will make instances best-effort
    immutable.
  - ``attr.asdict()`` now takes ``retain_collection_types`` as an argument.

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Sat Jul  1 14:53:33 UTC 2017 - okurz@suse.com

- Convert to singlespec

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Tue Jul  5 17:20:56 UTC 2016 - hpj@urpla.net

- update to 16.0.0
  Backward-incompatible changes:
  * Python 3.3 and 2.6 aren’t supported anymore. They may work by chance but
    any effort to keep them working has ceased.
    The last Python 2.6 release was on October 29, 2013 and isn’t supported by
    the CPython core team anymore. Major Python packages like Django and Twisted
    dropped Python 2.6 a while ago already.
    Python 3.3 never had a significant user base and wasn’t part of any
    distribution’s LTS release.
  Changes:
  * __slots__ have arrived! Classes now can automatically be slots-style (and
    save your precious memory) just by passing slots=True. #35
  * Allow the case of initializing attributes that are set to init=False. This
    allows for clean initializer parameter lists while being able to initialize
    attributes to default values. #32
  * attr.asdict can now produce arbitrary mappings instead of Python dicts when
    provided with a dict_factory argument. #40 Multiple performance improvements.

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Thu Jun  2 07:58:54 UTC 2016 - tbechtold@suse.com

- fix Source url

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Thu Jun  2 07:10:13 UTC 2016 - jacobwinski@gmail.com

- Initial version

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