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Merge branch 'piper-missing' of https://github.com/eli-schwartz/calibre

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Kovid Goyal 2025-08-08 11:34:37 +05:30
commit 9e241d01ed
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1 changed files with 21 additions and 9 deletions
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30
src/calibre/gui2/tts/types.py
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@ -234,11 +234,18 @@ def available_engines() -> dict[str, EngineMetadata]:
), True)
elif x == 'speechd':
continue
ans['piper'] = EngineMetadata('piper', _('The Piper Neural Engine'), _(
'The "piper" engine can track the currently spoken sentence on screen. It uses a neural network '
'for natural sounding voices. The neural network is run locally on your computer, it is fairly resource intensive to run.'
), TrackingCapability.Sentence, can_change_pitch=False, voices_have_quality_metadata=True, has_managed_voices=True,
has_sentence_delay=True)
try:
import calibre_extensions.piper
except ImportError:
pass
else:
ans['piper'] = EngineMetadata('piper', _('The Piper Neural Engine'), _(
'The "piper" engine can track the currently spoken sentence on screen. It uses a neural network '
'for natural sounding voices. The neural network is run locally on your computer, it is fairly resource intensive to run.'
), TrackingCapability.Sentence, can_change_pitch=False, voices_have_quality_metadata=True, has_managed_voices=True,
has_sentence_delay=True)
if islinux:
try:
from speechd.paths import SPD_SPAWN_CMD
@ -322,10 +329,15 @@ def create_tts_backend(force_engine: str | None = None, config_name: str = CONFI
if not available_engines():
raise OSError('There are no available TTS engines. Install a TTS engine before trying to use Read Aloud, such as flite or speech-dispatcher')
prefs = load_config(config_name)
engine_name = prefs.get('engine', '') if force_engine is None else force_engine
engine_name = engine_name or default_engine_name()
if engine_name not in available_engines():
engine_name = default_engine_name()
if force_engine is not None:
engine_name = force_engine
if engine_name not in available_engines():
raise OSError(f'TTS engine {force_engine} is not available.')
else:
engine_name = prefs.get('engine', '')
engine_name = engine_name or default_engine_name()
if engine_name not in available_engines():
engine_name = default_engine_name()
if engine_name == 'piper':
if engine_name not in engine_instances:
from calibre.gui2.tts.piper import Piper