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importlib_metadata NEWS
=========================
v2.1.0
======
* #253: When querying for package metadata, the lookup
now honors
`package normalization rules <https://packaging.python.org/specifications/recording-installed-packages/>`_.
v2.0.0
======
* ``importlib_metadata`` no longer presents a
``__version__`` attribute. Consumers wishing to
resolve the version of the package should query it
directly with
``importlib_metadata.version('importlib-metadata')``.
Closes #71.
v1.7.0
======
* ``PathNotFoundError`` now has a custom ``__str__``
mentioning "package metadata" being missing to help
guide users to the cause when the package is installed
but no metadata is present. Closes #124.
v1.6.1
======
* Added ``Distribution._local()`` as a provisional
demonstration of how to load metadata for a local
package. Implicitly requires that
installed. Ref #42.
* Ensure inputs to FastPath are Unicode. Closes #121.
* Tests now rely on ``importlib.resources.files`` (and
backport) instead of the older ``path`` function.
* Support any iterable from ``find_distributions``.
Closes #122.
v1.6.0
======
* Added ``module`` and ``attr`` attributes to ``EntryPoint``
v1.5.2
======
* Fix redundant entries from ``FastPath.zip_children``.
Closes #117.
v1.5.1
======
* Improve reliability and consistency of compatibility
imports for contextlib and pathlib when running tests.
Closes #116.
v1.5.0
======
* Additional performance optimizations in FastPath now
saves an additional 20% on a typical call.
* Correct for issue where PyOxidizer finder has no
``__module__`` attribute. Closes #110.
v1.4.0
======
* Through careful optimization, ``distribution()`` is
3-4x faster. Thanks to Antony Lee for the
contribution. Closes #95.
* When searching through ``sys.path``, if any error
occurs attempting to list a path entry, that entry
is skipped, making the system much more lenient
to errors. Closes #94.
v1.3.0
======
* Improve custom finders documentation. Closes #105.
v1.2.0
======
* Once again, drop support for Python 3.4. Ref #104.
v1.1.3
======
* Restored support for Python 3.4 due to improper version
compatibility declarations in the v1.1.0 and v1.1.1
releases. Closes #104.
v1.1.2
======
* Repaired project metadata to correctly declare the
``python_requires`` directive. Closes #103.
v1.1.1
======
* Fixed ``repr(EntryPoint)`` on PyPy 3 also. Closes #102.
v1.1.0
======
* Dropped support for Python 3.4.
* EntryPoints are now pickleable. Closes #96.
* Fixed ``repr(EntryPoint)`` on PyPy 2. Closes #97.
v1.0.0
======
* Project adopts semver for versioning.
* Removed compatibility shim introduced in 0.23.
* For better compatibility with the stdlib implementation and to
avoid the same distributions being discovered by the stdlib and
backport implementations, the backport now disables the
stdlib DistributionFinder during initialization (import time).
Closes #91 and closes #100.
0.23
====
* Added a compatibility shim to prevent failures on beta releases
of Python before the signature changed to accept the
"context" parameter on find_distributions. This workaround
will have a limited lifespan, not to extend beyond release of
Python 3.8 final.
0.22
====
* Renamed ``package`` parameter to ``distribution_name``
in the following functions: ``distribution``, ``metadata``,
``version``, ``files``, and ``requires``. This
backward-incompatible change is expected to have little impact
as these functions are assumed to be primarily used with
positional parameters.
0.21
====
* ``importlib.metadata`` now exposes the ``DistributionFinder``
metaclass and references it in the docs for extending the
search algorithm.
* Add ``Distribution.at`` for constructing a Distribution object
from a known metadata directory on the file system. Closes #80.
* Distribution finders now receive a context object that
supplies ``.path`` and ``.name`` properties. This change
introduces a fundamental backward incompatibility for
any projects implementing a ``find_distributions`` method
on a ``MetaPathFinder``. This new layer of abstraction
allows this context to be supplied directly or constructed
on demand and opens the opportunity for a
``find_distributions`` method to solicit additional
context from the caller. Closes #85.
0.20
====
* Clarify in the docs that calls to ``.files`` could return
``None`` when the metadata is not present. Closes #69.
* Return all requirements and not just the first for dist-info
packages. Closes #67.
0.19
====
* Restrain over-eager egg metadata resolution.
* Add support for entry points with colons in the name. Closes #75.
0.18
====
* Parse entry points case sensitively. Closes #68
* Add a version constraint on the backport configparser package. Closes #66
0.17
====
* Fix a permission problem in the tests on Windows.
0.16
====
* Don't crash if there exists an EGG-INFO directory on sys.path.
0.15
====
* Fix documentation.
0.14
====
* Removed ``local_distribution`` function from the API.
**This backward-incompatible change removes this
behavior summarily**. Projects should remove their
reliance on this behavior. A replacement behavior is
under review in the `pep517 project
0.13
====
* Update docstrings to match PEP 8. Closes #63.
* Merged modules into one module. Closes #62.
0.12
====
* Add support for eggs. !65; Closes #19.
0.11
====
* Support generic zip files (not just wheels). Closes #59
* Support zip files with multiple distributions in them. Closes #60
* Fully expose the public API in ``importlib_metadata.__all__``.
0.10
====
* The ``Distribution`` ABC is now officially part of the public API.
Closes #37.
* Fixed support for older single file egg-info formats. Closes #43.
* Fixed a testing bug when ``$CWD`` has spaces in the path. Closes #50.
* Add Python 3.8 to the ``tox`` testing matrix.
0.9
===
* Fixed issue where entry points without an attribute would raise an
Exception. Closes #40.
* Removed unused ``name`` parameter from ``entry_points()``. Closes #44.
* ``DistributionFinder`` classes must now be instantiated before
being placed on ``sys.meta_path``.
0.8
===
* This library can now discover/enumerate all installed packages. **This
backward-incompatible change alters the protocol finders must
implement to support distribution package discovery.** Closes #24.
* The signature of ``find_distributions()`` on custom installer finders
should now accept two parameters, ``name`` and ``path`` and
these parameters must supply defaults.
* The ``entry_points()`` method no longer accepts a package name
but instead returns all entry points in a dictionary keyed by the
``EntryPoint.group``. The ``resolve`` method has been removed. Instead,
call ``EntryPoint.load()``, which has the same semantics as
``pkg_resources`` and ``entrypoints``. **This is a backward incompatible
change.**
* Metadata is now always returned as Unicode text regardless of
Python version. Closes #29.
* This library can now discover metadata for a 'local' package (found
in the current-working directory). Closes #27.
* Added ``files()`` function for resolving files from a distribution.
* Added a new ``requires()`` function, which returns the requirements
for a package suitable for parsing by
``packaging.requirements.Requirement``. Closes #18.
* The top-level ``read_text()`` function has been removed. Use
``PackagePath.read_text()`` on instances returned by the ``files()``
function. **This is a backward incompatible change.**
* Release dates are now automatically injected into the changelog
based on SCM tags.
0.7
===
* Fixed issue where packages with dashes in their names would
not be discovered. Closes #21.
* Distribution lookup is now case-insensitive. Closes #20.
* Wheel distributions can no longer be discovered by their module
name. Like Path distributions, they must be indicated by their
distribution package name.
0.6
===
* Removed ``importlib_metadata.distribution`` function. Now
the public interface is primarily the utility functions exposed
in ``importlib_metadata.__all__``. Closes #14.
* Added two new utility functions ``read_text`` and
``metadata``.
0.5
===
* Updated README and removed details about Distribution
class, now considered private. Closes #15.
* Added test suite support for Python 3.4+.
* Fixed SyntaxErrors on Python 3.4 and 3.5. !12
* Fixed errors on Windows joining Path elements. !15
0.4
===
* Housekeeping.
0.3
===
* Added usage documentation. Closes #8
* Add support for getting metadata from wheels on ``sys.path``. Closes #9
0.2
===
* Added ``importlib_metadata.entry_points()``. Closes #1
* Added ``importlib_metadata.resolve()``. Closes #12
* Add support for Python 2.7. Closes #4
0.1
===
* Initial release.
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