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Python implementation of audformat

Project description

Test status code coverage audformat's documentation audformats's supported Python versions audformat's MIT license

Specification and reference implementation of audformat.

audformat stores media data, such as audio or video, together with corresponding annotations in a pre-defined way. This makes it easy to combine or replace databases in machine learning projects.

An audformat database is a folder that contains media files together with a header YAML file and one or several files storing the annotations. The database is represented as an audformat.Database object and can be loaded with audformat.Database.load() or written to disk with audformat.Database.save().

Have a look at the installation and usage instructions and the format specifications as a starting point.

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Version 0.13.0 (2022-01-26)

Changed: audformat.utils.union() no longer sorts levels Changed: audformat.Table.save() forces pickle format 4 Changed: audformat.Table.save() loads table before saving it to CSV Changed: clean up test requirements Changed: improve documentation on time and date data types Changed: improve documentation on language Database argument Changed: require pandas < 1.4.0 Fixed: remove deprecated pandas code

Version 0.12.4 (2022-01-12)

  • Changed: the API documentation on the language argument of audformat.Database is more verbose now

  • Changed: the difference between audformat.define.DataType.TIME and audformat.define.DataType.DATE is now discussed in the API documentation

  • Fixed: saving a not loaded table to CSV when a PKL file is present

  • Fixed: pandas deprecation warnings

Version 0.12.3 (2022-01-03)

  • Removed: Python 3.6 support

Version 0.12.2 (2021-11-18)

  • Added: audformat.assert_no_duplicates()

  • Changed: audformat.assert_index() no longer checks for duplicates

Version 0.12.1 (2021-11-17)

  • Added: audformat.utils.hash()

  • Added: audformat.utils.expand_file_path()

  • Added: audformat.utils.replace_file_extension()

  • Changed: use yaml.CLoader for faster header reading

Version 0.12.0 (2021-11-10)

  • Added: as_segmented, allow_nat, root, num_workers arguments to audformat.Table.get()

  • Added: as_segmented, allow_nat, root, num_workers arguments to audformat.Column.get()

  • Added: files_duration argument to audformat.utils.to_segmented_index()

  • Added: audformat.Database.files_duration()

  • Changed: changed default value of load_data argument in audformat.Database.load() to False

  • Changed: speed up audformat.Database.files and audformat.Database.segments

  • Fixed: re-add support for pandas>=1.3

Version 0.11.6 (2021-08-20)

  • Added: support for Python 3.9

  • Fixed: speed up audformat.utils.union()

  • Fixed: audformat.Column.set() with pd.Series and np.array for a scheme with fixed labels and containing NaN values

Version 0.11.5 (2021-08-09)

  • Removed: duration scheme and column from conventions and emodb example

Version 0.11.4 (2021-08-05)

  • Added: custom BadKeyError when key is not found

  • Changed: limit to pandas <1.3 until it works again for newer pandas versions

  • Changed: remove the <1.0.0 limit for audiofile as a stable release is available and the API has not changed

Version 0.11.3 (2021-06-10)

  • Added: audformat.utils.duration

  • Fixed: description of audformat.Database.is_portable in documentation

Version 0.11.2 (2021-05-12)

  • Added: audformat.utils.join_schemes

Version 0.11.1 (2021-05-11)

  • Added: Database.is_portable

  • Added: copy_media argument to Database.update()

  • Changed: remove root argument from testing.create_audio_files() and instead use Database.root

  • Fixed: utils.concat() converts to nullable dtype

  • Fixed: utils.concat() returns DataFrame if input contains at least one DataFrame

Version 0.11.0 (2021-05-06)

Note: tables stored from this version upwards cannot be loaded with older versions

  • Added: Database.root

  • Added: utils.join_labels()

  • Added: Scheme.replace_labels()

  • Changed: set dependency to pandas>=1.1.5

  • Changed: do not compress pickled table files

Version 0.10.2 (2021-04-22)

  • Changed: allow_nat argument to utils.to_segmented_index()

Version 0.10.1 (2021-03-31)

  • Fixed: audformat.assert_index() checks for correct dtypes

Version 0.10.0 (2021-03-18)

  • Added: audformat.Database.update()

  • Added: audformat.Table.update()

  • Added: overwrite argument to audformat.utils.concat()

  • Changed: result of audformat.Table.__add__() is no longer assigned to a audformat.Database

Version 0.9.8 (2021-02-23)

  • Added: audformat.Database.license

  • Added: audformat.Database.license_url

  • Added: audformat.Database.author

  • Added: audformat.Database.organization

  • Added: audformat.utils.intersect() for index objects

  • Added: audformat.utils.union() for index objects

  • Changed: Database.load() raises error if table file missing

  • Changed: forbid duplicates in audformat conform indices

  • Fixed: audformat.Table.__add__() returned wrong values for some index combinations

Version 0.9.7 (2021-02-01)

  • Added: update_other_formats argument to audformat.Table.save() to make sure existing files in other formats are updated as well

  • Changed: use round_trip argument when loading CSV files to ensure dataframes are equal after storing and loading again

Version 0.9.6 (2021-01-28)

  • Fixed: implemented audformat.Database.__eq__ and return True for identical databases

Version 0.9.5 (2021-01-14)

  • Changed: use nullable Pandas’ type 'boolean' for bool schemes

  • Fixed: Scheme.draw() generates boolean values if scheme is bool

Version 0.9.4 (2021-01-11)

  • Changed: add arguments num_workers and verbose to audformat.Database.load()

Version 0.9.3 (2021-01-07)

  • Fixed: avoid sphinx syntax in CHANGELOG

Version 0.9.2 (2021-01-07)

  • Changed: add arguments num_workers and verbose to audformat.Database.drop_files(), audformat.Database.map_files(), audformat.Database.pick_files(), audformat.Database.save()

  • Changed: audformat.segmented_index() support int and float, which will be interpreted as seconds

  • Fixed: audformat.utils.to_segmented_index() returns correct index type for NaT

Version 0.9.1 (2020-12-21)

  • Fixed: add column name to HTML Series output in docs

  • Fixed: removed mentioning of NotConformToUnifiedFormat error and RedundantArgumentError error

  • Fixed: add missing errors to docstring of audformat.Table.set() and audformat.Column.set()

Version 0.9.0 (2020-12-18)

  • Added: initial release public release

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