mirror of
https://github.com/denizsafak/abogen.git
synced 2026-07-18 13:40:27 +02:00
JB
41f56a8491
- Added speaker analysis module to infer speaker identities from text chunks. - Introduced SpeakerGuess and SpeakerAnalysis data classes for managing speaker data. - Developed functions for analyzing speaker occurrences and confidence levels. - Created EPUB 3 exporter to generate EPUB packages with synchronized narration and media overlays. - Implemented configurable chunking options for TTS synthesis and EPUB alignment. - Enhanced JavaScript for speaker preview functionality in the web interface. - Added comprehensive tests for chunking and EPUB exporting features. - Documented upgrade plan for transitioning to EPUB 3 with multi-speaker support.
107 lines
3.7 KiB
Python
107 lines
3.7 KiB
Python
from __future__ import annotations
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import zipfile
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from abogen.epub3.exporter import build_epub3_package
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from abogen.text_extractor import ExtractedChapter, ExtractionResult
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def _make_sample_extraction() -> ExtractionResult:
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return ExtractionResult(
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chapters=[
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ExtractedChapter(title="Chapter 1", text="Hello world."),
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ExtractedChapter(title="Chapter 2", text="Another passage."),
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],
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metadata={"title": "Sample Book", "artist": "Test Author", "language": "en"},
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)
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def test_build_epub3_package_creates_expected_structure(tmp_path) -> None:
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extraction = _make_sample_extraction()
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chunks = [
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{
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"id": "chap0000_p0000",
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"chapter_index": 0,
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"chunk_index": 0,
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"text": "Hello world.",
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"speaker_id": "narrator",
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},
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{
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"id": "chap0001_p0000",
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"chapter_index": 1,
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"chunk_index": 0,
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"text": "Another passage.",
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"speaker_id": "narrator",
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},
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]
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chunk_markers = [
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{"id": "chap0000_p0000", "chapter_index": 0, "chunk_index": 0, "start": 0.0, "end": 1.2},
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{"id": "chap0001_p0000", "chapter_index": 1, "chunk_index": 0, "start": 1.2, "end": 2.4},
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]
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chapter_markers = [
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{"index": 1, "title": "Chapter 1", "start": 0.0, "end": 1.2},
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{"index": 2, "title": "Chapter 2", "start": 1.2, "end": 2.4},
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]
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metadata_tags = {"title": "Sample Book", "artist": "Test Author", "language": "en"}
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audio_path = tmp_path / "sample.mp3"
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audio_path.write_bytes(b"ID3 test audio")
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output_path = tmp_path / "output.epub"
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result_path = build_epub3_package(
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output_path=output_path,
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book_id="job-123",
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extraction=extraction,
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metadata_tags=metadata_tags,
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chapter_markers=chapter_markers,
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chunk_markers=chunk_markers,
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chunks=chunks,
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audio_path=audio_path,
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speaker_mode="single",
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)
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assert result_path == output_path
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assert output_path.exists()
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with zipfile.ZipFile(output_path) as archive:
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names = set(archive.namelist())
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assert "mimetype" in names
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assert archive.read("mimetype") == b"application/epub+zip"
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assert "META-INF/container.xml" in names
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assert "OEBPS/content.opf" in names
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assert "OEBPS/nav.xhtml" in names
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assert "OEBPS/audio/sample.mp3" in names
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chapter_doc = archive.read("OEBPS/text/chapter_0001.xhtml").decode("utf-8")
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assert "Hello world." in chapter_doc
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smil_doc = archive.read("OEBPS/smil/chapter_0001.smil").decode("utf-8")
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assert "clipBegin=\"00:00:00.000\"" in smil_doc
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opf_doc = archive.read("OEBPS/content.opf").decode("utf-8")
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assert "media-overlay" in opf_doc
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assert "media:duration" in opf_doc
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assert "abogen:speakerMode" in opf_doc
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def test_build_epub3_package_handles_missing_markers(tmp_path) -> None:
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extraction = _make_sample_extraction()
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metadata_tags = {"title": "Sample Book", "artist": "Test Author", "language": "en"}
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audio_path = tmp_path / "audio.mp3"
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audio_path.write_bytes(b"ID3 audio")
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output_path = tmp_path / "output.epub"
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result_path = build_epub3_package(
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output_path=output_path,
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book_id="job-456",
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extraction=extraction,
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metadata_tags=metadata_tags,
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chapter_markers=[],
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chunk_markers=[],
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chunks=[],
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audio_path=audio_path,
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speaker_mode="single",
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)
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with zipfile.ZipFile(result_path) as archive:
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nav_doc = archive.read("OEBPS/nav.xhtml").decode("utf-8")
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assert "Chapter 1" in nav_doc
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chapter_doc = archive.read("OEBPS/text/chapter_0001.xhtml").decode("utf-8")
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assert "Hello world." in chapter_doc |