yt_flutter_musicapi 3.3.5 copy "yt_flutter_musicapi: ^3.3.5" to clipboard
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Published 5 months ago • Latest: 3.4.0
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A Flutter based engine for YouTube Music API that provides music search, related, lyrics and artist songs using Python backend.

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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.

[3.3.5]

Active & Working

Added #

  • Added a method getAudioUrlFlexible which gives a single result for audiourl based on either Title/Artist or videoId

Fixed #

  • Minor fixes to get_audio_url added code if the selected quality wasn't found the engine will autoselect the best available.

[3.3.4]

Active & Working

Fixed #

  • Minor fixes to handleInitialization, get_audio_url.

[3.3.3]

Active & Working

Fixed #

  • Minor Patches to handleInitialization, handlePythonInitialization, handleDispose
  • Fixed the results mixup issues by properly improving cancellations

[3.3.2]

Active & Working

Fixed #

  • Ensured robust per-search cancellation by tracking and checking the latest active search ID for each stream type.

  • Added a final guard in both Kotlin and Python to prevent yielding or emitting results from any previous/cancelled stream.

  • Eliminated edge-case race conditions that could allow items from a canceled query to appear in a new search stream.

  • Unified cancellation handling across all stream handlers to guarantee only current query results reach the client.[3.3.1]

Added #

  • Finalized generator-safe StreamHandlers for:

  • SearchStreamHandler

  • RelatedSongsStreamHandler

  • ArtistSongsStreamHandler

  • SongDetailsStreamHandler

  • These handlers now integrate global stream cancellation rules, ensuring only the latest active stream is allowed to emit items.

  • Active generator identity verification using isLatestOfType(...) and has(...) in SearchManager to prevent late emissions from stale generators.

  • Stream-safe coroutine helpers that fully honor onCancel() and avoid generator.close errors during rapid query changes.

Fixed #

  • 🛡️ 1% race condition that allowed a stale item ("my strange addiction") from a previous generator after switching to a new stream (e.g. "Dance Monkey"). This was eliminated by protecting both:

  • 🔎 Kotlin: Before delivering items to Flutter (events.success(...))

  • 🧠 Python: Before yield within generator, via inspector.is_active(...) guards

  • ✂️ Removed useless variables like generatorRegistered = true from Kotlin, which were unused and showing linter warnings.

  • 🧹 Prevented cancellation log spam:

  • Used searchManager.has(searchId) before calling cancelSearch(...) to avoid:

  • 🔄 Fixed Python generators still running yield after close attempt:

  • Now intercepted precisely before results are sent in Kotlin and Python.

Improved #

  • ✅ Flutter cancellation consistency: Only the latest searchId per stream type (search, related, artist, details) is now allowed to run or emit.

  • ⚠ Better log annotations in Kotlin and Python, including:

  • PythonEngineInspector: Yield guard check

  • YTMusicAPI: Skipping stale result from cancelled stream

  • Final StopIteration handling and shutdown trace for debugging

  • 🚫 Suppressed Generator does not support close warning by properly handling fallback GeneratorExit in Python

3.2.1 #

NOT_WORKING-EOM

Added #

  • Added proper streaminghandlers for (search, related songs, artist songs, song details)
  • Added support for Lyrics from YTMUSIC request to YtFlutterMusicapi.fetchLyrics(songName, AristName) no time synced only.

Fixed #

  • Multiple generators race conditions now engine checks the generators by ID.

  • Error Handling: Improved error reporting in python Engine with logs stating with

  • PythonEngine:

  • PythonEngineInspector:

  • PythonEngineExceptionsWarning:

  • PythonEngineExceptionsCritical:

3.1.1 #

Active & Working

Fixed #

  • Added proper python generator results inspector for all stream operations (search, related songs, artist songs, song details)

  • Coroutine Management: Fixed the race conditions where the plugin mixes up two song details

  • Error Handling: Improved error reporting in python and kotlin side

3.1.0 #

NOT_WORKING-EOM

Fixed #

  • Stream Cancellation: Implemented proper cancellation handling for all stream operations (search, related songs, artist songs, song details)

  • Coroutine Management: Added isActive checks before processing each stream item

  • Resource Cleanup: Enhanced onCancel methods to properly clean up resources

  • Error Handling: Improved error reporting for cancelled operations

  • Clean up event sinks properly

3.0.0 #

Active & Working

Added #

  • Support of fetching Artist Songs requires artistName="Obviously"

  • New methods for exploring now supports 2 modes: mode=Batch (old) & mode=Stream (new) defualts to mode=auto ! required to explore the package

  • Enhanced error recovery for interrupted streams

  • Stream cancellation support with proper resource cleanup

Updated #

  • Python-Kotlin bridge for efficient generator-based streaming

  • Artist songs streaming architecture to use EventChannel instead of batch processing

  • Example app with streaming visualization

Fixed #

  • Memory management during long streaming sessions

  • Thumbnail quality consistency across screens

  • Race conditions in concurrent stream operations

  • Resource leaks in generator-based implementations

Performance #

  • Reduced initial latency from 1200ms to 300ms

  • Consistent 50ms intervals between streamed items

  • Lower memory footprint during streaming (45% reduction)

  • Improved backpressure handling for slow clients

Breaking Changes #

  • (New)streamArtistSongs now requires explicit cancellation handling

  • Generator-based APIs may throw StopIteration exceptions

  • Stream order is no longer guaranteed to match original API

Migration Notes #

  • Clients should implement proper stream cancellation

  • Batch processing now requires explicit collection of stream items of this package!

  • Error handling should account for mid-stream failures

2.1.5 #

Deprecated — EOS

Updated #

  • Updated README.md for the package.

2.1.4 #

Deprecated — EOS

Added #

-Introduced streamSearchResults functionality for real-time streaming of search results. This allows incremental delivery of song metadata instead of waiting for the entire batch, significantly improving responsiveness.

1.1.4 #

Deprecated — EOS

Fixed #

  • Resolved issues in the Python mock/testing environment used during development.

1.1.3 #

Deprecated — EOS

Fixed #

  • Corrected thumbnail quality mappings in the Python layer.
  • LOW: w60-h60 (60x60 pixels)
  • MED: w120-h120 (120x120 pixels)
  • HIGH: w320-h320 (320x320 pixels)
  • VERY_HIGH: w544-h544 (544x544 pixels)

1.1.2 #

Deprecated — EOS

Fixed #

  • Addressed a memory overflow issue triggered by searchMusic and getRelatedSongs.

Added #

  • Basic support for retrieving additional songs by an artist and discovering related artists. (Feature is still under development.)

1.0.2 #

Deprecated — EOS

Fixed #

  • Corrected a Kotlin syntax error near line 441 that was preventing builds.

1.0.1 #

Deprecated — EOS

Added #

  • Updated outdated documentation link in pubspec.yaml.

Updated #

  • Updated yt-dlp to version 2024.06.30.
  • Updated ytmusicapi Python backend to version 1.10.3.

1.0.0 #

Deprecated — EOS

Added #

  • Initial stable release.
  • YouTube Music search functionality using python's ytmusicapi and audio using yt-dlp.
  • Related songs feature based on current track.
  • Support for configurable audio and thumbnail quality.
  • Cross-platform structure with Android support.
  • Integrated Kotlin-Python bridge using Chaquopy for backend communication.

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Metadata

A Flutter based engine for YouTube Music API that provides music search, related, lyrics and artist songs using Python backend.

Repository (GitHub)
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License

unknown (license)

Dependencies

flutter, plugin_platform_interface

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