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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.

2.2.1 - 2023-06-05

Fixed

  • Python 3.8 compatibility.

2.2.0 - 2023-05-28

Changed

  • All event parsing happens during pyflp.parse itself.
  • colour.Color replaced with pyflp.types.RGBA.
  • Increase line-length of 100.

Fixed

  • Backtracking issues in nested dictionaries.

Removed

  • Python 3.7 support.
  • Bunch of intermediate EventBase subclasses.
  • Removed dependency on colour library.

2.1.1 - 2023-05-24

Changed

  • Refactored VSTPluginEvent sub-event handling into _VSTPluginProp.
  • All VSTPluginEvent string sub-events decoded as UTF8.

Fixed

  • VSTPlugin.name encoded in UTF8 #150.

2.1.0 - 2023-04-18

Added

  • Plugin data parsers: FruitKick and Plucked.
  • ArrangementsID.PLSelection #132.

Changed

  • Unbound descriptors return self - more propertyesque behaviour. This is primarily done to allow flpinspect to inspect descriptor types.
  • Moved Sampler.pitch_shift upto its base class _SamplerInstrument.

Deprecated

  • ArrangementID.LoopPos #132.

2.0.0 - 2023-03-18

Welcome PyFLP 2.0 🎉 Read the previous changelogs to get the complete list of changes.

Added

  • FruityBloodOverdrive - thanks to @@ttaschke #120.

Changed

  • Docs are way more easier to navigate now.

Fixed

  • VSTPluginEvent.__setitem__ and _VSTPluginProp._set #113.

Removed

  • Support for PyPy 3.7 (unable to run tox, cannot find a download).

2.0.0a7 - 2022-12-19

Added

  • Pattern timemarkers #27.
  • Low-level API support for FL Studio 21's PlaylistEvent #108.

Changed

  • Renamed PlaylistEvent.track_index to PlaylistEvent.track_rvidx.
  • Optimized Arrangement.tracks iteration logic - 50% lesser time to run tests.
  • StructEventBase.value raises NotImplementedError.
  • Ambiguous Pattern.__iter__ refactored into a property Pattern.notes.
  • Pattern.index renamed to Pattern.iid.
  • Improved __repr__ strings; replaced with ModelReprMixin at some places use __str__ for a more human readable representation.

Fixed

  • Patterns.__getitem__ didn't work with pattern names as documented.

Removed

  • Ambiguous __index__ methods from a bunch of model classes.
  • Unimplemented Slot.controllers.

2.0.0a6 - 2022-11-19

Added

  • Keyboard.main_pitch, Keyboard.add_root, Keyboard.key_region #92.
  • Sampler.filter and Filter #99.

Changed

  • Channel.group becomes a read-only property (modify event to change channel group).
  • PLItemBase.offsets and its fields in PlaylistEvent are float32 Thanks to chrslg from Stackoverflow and @jubabrut.
  • Track.height returns an str of its percentage e.g. 100%.
  • Instrument.plugin and Slot.plugin return _PluginBase for unimplemented native plugins #102.
  • Reimplemented EventTree to use a list and got a 10+% perf boost in unit tests.

Fixed

  • Channel.group remained unitialised #100.
  • Chanel.plugin failed due to base class type parameter check #101.

Removed

  • Track.locked_height as what this quantity stores is unknown to me yet.
  • Use of fixture factories in unittests #74.

2.0.0a5.post - 2022-10-31

Changed

  • Upgrade construct-typing to 0.5.3.

2.0.0a5 - 2022-10-28

Added

  • Implementation for Channel and Pattern playlist items #84.
  • FX.remove_dc, FX.trim, FX.fix_trim, FX.crossfade, FX.length, FX.normalize, FX.inverted, FX.start #55.
  • Normalized linear values for certain properties, more user friendly to deal with. The required encode / decode is done at event level itself.
  • TimeStretching.time, TimeStretching.pitch, TimeStretching.multiplier #87.
  • (Undiscovered) MIDIControllerEvent.
  • Delay.mod_x, Delay.mod_y, Delay.fat_mode and Delay.ping_pong #88.
  • Improve enum performance by using f-enum library (pyflp.parse is 50% faster).
  • Time.gate, Time.shift and Time.full_porta #89.
  • Experimental Python 3.11 support is back.
  • A shit ton of flags in VSTPlugin and refactoring #95.
  • WrapperEvent.page, WrapperEvent.height, WrapperEvent.width #93.
  • ItemModel.__setitem__ propagates back changes to owner event #97.

Changed

  • PlaylistItemBase.offsets now returns start and end offsets.
  • Use git commit for construct-typing which has fixed certain bugs.
  • Rename PlaylistItemBase to PLItemBase and PatternPlaylistItem to PatternPLItem.
  • Rename Polyphony members is_mono to mono and is_porta to porta.
  • NoModelsFound also bases LookupError now.
  • Compiled VSTPluginEvent.STRUCT.

Fixed

  • EventTree.divide fails to yield the only element #90.
  • TrackID.Name events were grouped instead of getting divided #96.
  • PropBase.__set__ always raises PropertyCannotBeSet #97.

Removed

  • PlaylistItemBase.start_offset and PlaylistItemBase.end_offset.
  • Redundant exceptions ExpectedValue, UnexpectedType.
  • Undiscovered num_inputs, num_outputs and vst_number from VSTPlugin.

2.0.0a4 - 2022-10-22

The way models were passed events has changed. I designed a new data structure called EventTree (check pyflp._events) to allow the insertion and deletion of events like a list while preserving the speed of a dict lookups.

Sounds awfully like multidict except that it doesn't allow mutable views. EventTree knows its parents and any attempt to insert or delete an event from it will also affect its parents and vice-versa. Took quite some to do.

EventTree will allow for insertion / removal of events when corresponding descriptor setters / deleters (yet to implement) are invoked. This can allow for wonderful things like creating new channels, moving inserts etc.

Added

  • A multidict with mutable dict view EventTree.
  • PyPy 3.7+ support #77.
  • Slicing for ModelBase collections #31.
  • Fruity Center parser #42.
  • Dependency on sortedcontainers library for EventTree.
  • Remaining and some new images for docstrings #47.
  • GUI locations of descriptors (w.r.t. FL 20.8.4) #80.

Changed

  • Simplified some __repr__ strings.
  • Event IDs are all EventEnum members (better repr-strings).
  • PyFLP is guaranteed to be not thread-safe.
  • Moved up Sampler.cut_group to _SamplerInstrument.

Fixed

  • ModelReprMixin.

Removed

  • Track.index in favour of the redundant Track.__index__.
  • Track.items. Iterate over a track, to get them now.
  • Subclassing of protocol classes keeping PEP544 in mind #50.
  • Models are no longer hashable as events were made unhashable previously.
  • Commented out currently unimplemented Channel.controllers.

2.0.0a3 - 2022-10-08

Added

  • 100% mypy tested for all you mypy geeks. It makes me play cat-and-mouse.
  • Automation points and LFO, via #29.

Changed

  • All StructBaseEvent classes overhauled to use the construct library.
  • EventBase.__len__ is now EventBase.size, a property.
  • Shift all subclass event parsing to PODEventBase.
  • Replace all uses of bytesioex with equivalents from construct.
  • Struct definitions moved to StructEventBase itself.
  • Enums used in structs directly now inherit from construct_typed.EnumBase.
  • LFO renamed to SamplerLFO to be distinguishable from AutomationLFO.

Fixed

  • InsertEQ was't working #46.
  • Negative FileFormat weren't being read.
  • Incorrect event size calculation in StructEventBase #72.
  • Pattern.__repr__ failed for empty patterns.

Removed

  • _StructMeta (voodoo magic) and StructBase from pyflp._events.
  • SoundgoodizerMode, FruityFastDistKind, StereoEnhancerInvertPosition, StereoEnhancerEffectPosition from pyflp.plugin in favour of equivalent string literals.
  • Protocol subclassing of EventBase hierarchy.
  • Faulty EventBase.__hash__.
  • Python 3.11 support due to timrid/construct-typing#15
  • Incomplete support for Sequence in model collections.

2.0.0a2 - 2022-10-01

Added

  • FX.clip, FX.fade_stereo, FX.freq_tilt, FX.pogo, FX.ringmod, FX.swap_stereo & FX.reverse #55.
  • TimeStretching.mode and StretchMode #56.
  • Playback.start_offset #57.
  • Content.declick_mode and DeclickMode #58.
  • User guide and contibutor's guide.
  • Official support for Python 3.11.
  • Super basic __repr__ for StructBase to ease debugging.
  • Envelope.amount, Envelope.synced, LFO.amount, LFO.attack, LFO.predelay & LFO.speed #69.

Changed

  • Moved stretching to Sampler, instruments don't have it.
  • Note.key now returns a note name with octave #66.
  • A cleaner implementation of MixerParamsEvent.
  • Layer.__repr__ now shows the number of children also.
  • Separated test assets into presets for better isolation of results #6.
  • Renamed LFO.is_synced to LFO.synced and LFO.is_retrig to LFO.retring.
  • StructBase and ListEventBase are lazily evaluated now.
  • Model collections are indexable by item names as well #45.

Fixed

  • String are decoded as UTF16 when version is 11.5+ now #65.
  • Insert.stereo_separation docstring for maximum, minimum value.
  • U16TupleEvent.value #68.
  • Minimum and maximum value docstrings for certain FX properties.
  • Sampler.pitch_shift internal representation.

Removed

  • Images for individual FX properties as they were redundant.
  • Redundant member _SamplerInstrument.flags.

2.0.0a1 - 2022-09-21

Added

  • PlaylistItemBase.group for ChannelPlaylistItem and PatternPlaylistItem #36.
  • More info in contributor's guide.
  • VSCode Python extension configuration, recommended extensions and tasks.
  • ChannelRack.height which tells the height of the channel rack in pixels.
  • Track[x] returns Track.items[x].
  • Patterns warns when tried to be accessed with an index of 0.
  • Note.group, a number which notes of the same group share #28.
  • Note.slide which indicates whether a note is a sliding note.
  • Plugin wrapper properties to docs.
  • A user guide section in docs.
  • Sampler.content, Layer.random & Layer.crossfade #24.
  • Playback.ping_pong_loop.

Changed

  • Pattern.notes refactored into Pattern.__iter__.
  • Sampler.sample_path returns pathlib.Path instead of str now #41.
  • PluginID.Data events get parsed during event collection itself.
  • All models are now equatable and hashable.

Fixed

  • Arrangement parsing logic is incorrect #32.
  • Track.color returns int instead of colour.Color #33.
  • _PlaylistItemStruct.track_index should be 2 bytes #36.
  • Tracks don't get assigned playlist items #37.
  • KeyError when accessing Track.content_locked #38.
  • Channel type wasn't correctly detected at times #40.
  • Arrangements.height was actually ChannelRack.height #43.
  • TypeError when accessing Insert.dock #44.
  • Pattern.note and Pattern.controllers #48.
  • Track.items #49
  • Certain properties of Note were interpreted incorrectly.
  • Slot.plugin wasn't working at all (events, properties, repr) #53.
  • FruitySend.send_to was interepreted incorrectly.
  • Instrument.plugin and Slot.plugin setter.
  • Playback.use_loop_points.

Removed

  • Arrangements.height.

2.0.0a0 - 2022-09-14

PyFLP has been rewritten ✨

Highlights:

  1. Richer events: Variable data events now parse their structure themselves. Fixed size events are categorized closely to the data they represent.
  2. Lazy evaluation: Properties are evaluated as lazily as possible to prevent the use of private variables and keep them synced with event data.
  3. Neatly organised models: Appropriate use of composition and subclassing.
  4. Zero pre-parse field validation: Makes sense for an undocumented format.
  5. Fully type hinted: Ensures strict adherence with pyright.
  6. Simplified single-level module hierarchy to ease imports.
  7. Docs now contain images for corresponding model types.

The major version number bump indicates a breaking change, however I would highly encourage you to upgrade to this version. I WILL NOT BE MAINTAINING OLDER VERSIONS.

1.1.2 - Unreleased

Fixed

  • #9, thanks to @zacanger.

1.1.1 - 2022-07-10

Added

  • Avoid mkdocs warnings in tox.

Changed

  • _FLObject._save always returns a list now.
  • CI: Merge dev and publish workflows into one.

Fixed

  • #8.
  • Type hints and type variables are much better.
  • FSoftClipper property setter typo caused it to be set to zero.
  • ChannelParameters._save() didn't return an event.

Removed

  • Wait action in CI workflow.
  • setup-cfg-fmt pre-commit hook, why?

1.1.0 - 2022-05-29

Added

  • Support for Fruity Stereo Enhancer @@nickberry17
  • Instructions for alternate methods to install PyFLP.

Changed

  • Improvements to CI

Fixed

  • Incorrect encoding used to dump UTF-16 strings in _TextEvent.
  • #4.

Removed

  • _FLObject.max_count, MaxInstancesError, test_flobject.py and _MaxInstancedFLObject.
  • Gitter links from README and room itself, due to inactivity.

1.0.1 - 2022-04-02

This update is more about QOL improvements, testing and refactoring. Few bugs have been fixed as well, while Python 3.6 support has been deprecated.

Added

  • Adopted bandit.
  • _MaxInstancedFLObject: FLObject with a limit on number of instances.
  • GPL3 short license headers.
  • Missing docs about PatternNote and PatternController events.
  • Exceptions: InvalidHeaderSizeError, InvalidMagicError and MaxInstancesError.
  • Import statements in submodules to simplify import process externally.
  • Test validators and properties and project version setter.
  • OTT plugin to test project to test VST plugins.

Changed

  • All use of assert has been replaced by exceptions (bandit: assert-used).
  • Version links in changelog now show changes.
  • LF line endings used and enforced everywhere.
  • ppq field moved to _FLObject from Playlist.
  • Much improved tox.ini and pre-commit configuration.
  • Modules which aren't meant for external use are prefixed with a _.
  • Simplified property declaration.

Deprecated

  • Python 3.6 support will be dropped in a future major release.

Fixed

  • All this time, VSTPluginEvent was never getting created/saved.
  • Lint errors reported by flake8, pylint and bandit.
  • Just realised __setattr__ works only on instances 😅, came up with _FLObjectMeta which is the metaclass used by _FLObject.

Removed

  • Redundant __repr__ from PatternNote.

1.0.0 - 2021-11-12

Highlights

  • The entire module hierarchy of PyFLP has been simplified.
  • Internal/abstract base classes have bee renamed to start with _.
  • repr for _FLObject subclasses.
  • The way properties are handled is now completely changed.
  • Data events get parsed by a DataEvent subclass.
  • Way better testing, with a coverage of whooping 79%.
  • color properties now return a colour.Color object.
  • Almost everything has a docstring now, even enum members.
  • PyFLP has adopted Contributor Covenant Code of Conduct v2.1.

Added

  • __repr__() for all _FLObject subclasses.
  • Channel.color, Insert.color and Pattern.color now return colour.Color. This is implemented by ColorEvent (which subclasses DWordEvent).
  • New event implementations for ChannelFX.EventID (Cutoff, Fadein, Fadeout and more).
  • New event implementations for Channel.EventID (ChannelTracking, ChannelLevels, ChannelLevelOffsets, ChannelPolyphony and more).
  • Channel.cut_group implementing Channel.EventID.CutSelfCutBy.
  • Remote controllers (RemoteController). Accessible from Project.controllers.
  • Saving for VSTPlugin.
  • All enum members used by FLObject subclasses now have a docstring.
  • Added links in docstrings to official FL Studio Manual wherever possible.
  • Parser.__build_event_store() uses inner methods now to parse different kind of events; very helpful for the new DataEvents.
  • Added support for pattern controller events (PatternController, PatternControllerEvent who implement PatternEventID.Controllers).
  • Many attribute docstrings now include minimum, maximum and default values. These limits are enforced by setters.
  • Added .editorconfig, using CRLF line endings btw.
  • Added test_parser.py and test_events.py.
  • Parser.parse_zip now accepts a bytes object for zip_file parameter.
  • Misc.registered for Misc.EventID.Registered.

Changed

  • All _FLObject subclasses have been moved to parent pyflp/ from pyflp/flobject/ to ease import names.
  • All Event subclasses have been moved in a single event.py and event/ folder is removed.
  • All event ID enum names are now inner classes of _FLObject subclasses.
  • Constructor of Project has been simplified.
  • VSTPlugin's underlying event now supports saving, it has been refactored out of _parse_data_event also.
  • InsertParametersEvent to replace the equivalent parsing in Insert._parse_data_event.
  • The TODO (deleted now) has been changed to reflect the type of goals.
  • _FLObject.save is now _FLObject._save.
  • Some constants present in utils.py have been moved to constants.py.
  • Docs include a brief summary of the underlying data event wherever applicable.
  • Minor property name changes; made them more concise.
  • Absolute imports are used everywhere now.

Fixed

  • ChannelFXReverb was not getting initialised.
  • InsertParamsEvent was not getting initialised.
  • Syntax is highlighted in the docs as expected now.
  • FNotebook2 text parsing.
  • Insert.routing returned True for all tracks.
  • Misc.start_date and Misc.work_time parsing.

Removed

  • Any and all sort of logging, not useful anymore. Haven't seen any 3rd party Python library ever using it. Used warnings wherever necessary.
  • mypy. Its useless tbh, I will use types as I see fit.
  • Setters for all properties containing _FLObject (or any sort of a collection of them), e.g. Arrangement.tracks.

0.2.0

Highlights

  • PyFLP has passed the null test for a full project of mine (FL 20.7.2) 🥳.
  • This library uses code from FLParser, a GPL license project, PyFLP is now under GPL.
  • API reference documentation is complete now.
  • Few new events implemented for Channel.
  • Refactored FLObject and Plugin.

FLObject refactoring

  • parseprop is now _parseprop.
  • All _parseprop delegates are now "protected" as well.
  • setprop is now _setprop.

Added

  • ChannelEvent.Delay is implemented by ChannelDelay and Channel.delay.
  • Event.to_raw and Event.dump now log when they are called.
  • Exceptions DataCorruptionDetected and OperationNotPermitted.

Fixed

  • Can definitely say, all naming inconsistencies have been fixed.
  • Fixed TimeMarker assign to Arrangement logic in Parser.
  • Extraneous data dumped sometimes by InsertSlotEvent.Plugin, caused due to double dumping of same events.
  • Empty pattern events, PatternEvent.Name and PatternEvent.Color don't get saved.

❗ These versions below don't work due to naming inconsistencies 😅, you will not find them 👇

0.1.2

Added

  • More docs.
  • Add some new properties/events to Channel.
  • A sample empty FLP has been provided to allow running tests.
  • All FLObject subclasses now have a basic __repr__ method.

Fixed

  • Improve the GitHub workflow action, uploads to PyPI will not happen unless the test is passed.
  • Fix all naming inconsistencies caused due to migration to BytesIOEx Not all.

Known issues

Same as in 0.1.1

0.1.1

The first version of PyFLP that works correctly 🥳 No, unfortunately

Highlights

  • Changed documentation from Sphinx to MkDocs.
  • FLPInfo is now a separate package.
  • FLPInspect is now a separate package.
  • PyFLP now uses BytesIOEx as an external dependency.

Fixed

  • ByteEvent, WordEvent and DWordEvent now raise a TypeError. when they are initialised with the wrong size of data.
  • Fix setup.cfg, project structure is now as expected, imports will work.
  • Docs are now up and running.

Known issues

  • Extraneous data dumped sometimes by InsertSlotEvent.Plugin, why this is caused is not known.

❗ These versions below don't work because I didn't know how to configure setup.cfg properly 😅

0.1.0

  • flpinspect - An FLP Event Viewer made using Tkinter.
  • flpinfo - A CLI utility to get basic information about an FLP.
  • Switched to MIT License.

Added

  • Lots of changes, refactoring and code cleanup of pyflp.
  • New docs.
  • Changes to README.
  • Adopted black coding style.
  • Added a log_level argument to Parser.
  • Project.create_zip copies stock samples as well now.
  • Project.get_events for getting just the events; they are not parsed. Read docs for more info about this.
  • Event classes now have an __eq__ and __repr__ method.

Fixed

  • Tests don't give module import errors.
  • Pattern event parsing.
  • Initialise _count to 0, everytime Parser is initialised.
  • Project.create_zip now works as intended.
  • Overhauled logging.
  • A lot of potential bugs in FLObject subclasses.

Known issues

  • flpinfo doesn't output correctly sometimes due to long strings.
  • Extraneous data dumped sometimes by InsertSlotEvent.Plugin, why this is caused is not known.