Spaces:
Build error
Build error
File size: 8,663 Bytes
1f9c751 6514731 1f9c751 6825e46 0f99c8d 1f9c751 fdc056d 1f9c751 fdc056d 1f9c751 fdc056d 1f9c751 fdc056d 6825e46 0f99c8d 1f9c751 fdc056d 1f9c751 6514731 1f9c751 fdc056d 6514731 fdc056d 1f9c751 6514731 1f9c751 6514731 1f9c751 6825e46 1f9c751 6825e46 1f9c751 fdc056d 1f9c751 6514731 1f9c751 fdc056d 1f9c751 fdc056d 1f9c751 fdc056d 1f9c751 fdc056d 1f9c751 fdc056d 1f9c751 6825e46 1f9c751 6514731 1f9c751 6514731 1f9c751 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 |
"""TTS provider factory for creating and managing TTS providers."""
import logging
from typing import Dict, List, Optional, Type
from ..base.tts_provider_base import TTSProviderBase
from ...domain.exceptions import SpeechSynthesisException
logger = logging.getLogger(__name__)
class TTSProviderFactory:
"""Factory for creating and managing TTS providers."""
def __init__(self):
"""Initialize the TTS provider factory."""
self._providers: Dict[str, Type[TTSProviderBase]] = {}
self._provider_instances: Dict[str, TTSProviderBase] = {}
self._register_default_providers()
def _register_default_providers(self):
"""Register all available TTS providers."""
# Import providers dynamically to avoid import errors if dependencies are missing
# Always register dummy provider as fallback
from .dummy_provider import DummyTTSProvider
self._providers['dummy'] = DummyTTSProvider
# Register only Chatterbox provider
try:
from .chatterbox_provider import ChatterboxTTSProvider
self._providers['chatterbox'] = ChatterboxTTSProvider
logger.info("Registered Chatterbox TTS provider")
except ImportError as e:
logger.info(f"Chatterbox TTS provider not available: {e}")
def get_available_providers(self) -> List[str]:
"""Get list of available TTS providers."""
logger.info("🔍 Checking availability of TTS providers...")
available = []
for name, provider_class in self._providers.items():
logger.info(f"Checking provider: {name}")
try:
# Create instance if not cached
if name not in self._provider_instances:
logger.info(f"Creating instance for {name} provider")
if name == 'chatterbox':
self._provider_instances[name] = provider_class()
else:
self._provider_instances[name] = provider_class()
# Check if provider is available
logger.info(f"Checking availability for {name}")
is_available = self._provider_instances[name].is_available()
logger.info(f"Provider {name} availability: {'✅ Available' if is_available else '❌ Not Available'}")
if is_available:
available.append(name)
except Exception as e:
logger.warning(f"❌ Failed to check availability of {name} provider: {e}")
logger.info(f"Provider check error details: {type(e).__name__}: {e}")
logger.info(f"📋 Available TTS providers: {available}")
return available
def create_provider(self, provider_name: str, **kwargs) -> TTSProviderBase:
"""
Create a TTS provider instance.
Args:
provider_name: Name of the provider to create
**kwargs: Additional arguments for provider initialization
Returns:
TTSProviderBase: The created provider instance
Raises:
SpeechSynthesisException: If provider is not available or creation fails
"""
if provider_name not in self._providers:
available = list(self._providers.keys())
raise SpeechSynthesisException(
f"Unknown TTS provider: {provider_name}. Available providers: {available}"
)
# Check if provider is actually available before creating
available_providers = self.get_available_providers()
if provider_name not in available_providers:
logger.warning(f"TTS provider {provider_name} is registered but not available")
raise SpeechSynthesisException(f"TTS provider {provider_name} is not available")
try:
provider_class = self._providers[provider_name]
# Create instance with appropriate parameters
if provider_name == 'chatterbox':
lang_code = kwargs.get('lang_code', 'en')
provider = provider_class(lang_code=lang_code)
else:
provider = provider_class(**kwargs)
# Verify the provider is available
if not provider.is_available():
raise SpeechSynthesisException(f"TTS provider {provider_name} is not available")
logger.info(f"Created TTS provider: {provider_name}")
return provider
except Exception as e:
logger.error(f"Failed to create TTS provider {provider_name}: {e}")
raise SpeechSynthesisException(f"Failed to create TTS provider {provider_name}: {e}") from e
def get_provider_with_fallback(self, preferred_providers: List[str] = None, **kwargs) -> TTSProviderBase:
"""
Get a TTS provider with fallback logic.
Args:
preferred_providers: List of preferred providers in order of preference
**kwargs: Additional arguments for provider initialization
Returns:
TTSProviderBase: The first available provider
Raises:
SpeechSynthesisException: If no providers are available
"""
if preferred_providers is None:
preferred_providers = ['chatterbox', 'dummy']
logger.info(f"🔄 Getting TTS provider with fallback, preferred order: {preferred_providers}")
available_providers = self.get_available_providers()
# Try preferred providers in order
for provider_name in preferred_providers:
logger.info(f"🔍 Trying preferred provider: {provider_name}")
if provider_name in available_providers:
logger.info(f"✅ Provider {provider_name} is available, attempting to create...")
try:
provider = self.create_provider(provider_name, **kwargs)
logger.info(f"🎉 Successfully created provider: {provider_name}")
return provider
except Exception as e:
logger.warning(f"❌ Failed to create preferred provider {provider_name}: {e}")
continue
else:
logger.info(f"❌ Provider {provider_name} is not in available providers list")
# If no preferred providers work, try any available provider
for provider_name in available_providers:
if provider_name not in preferred_providers:
try:
return self.create_provider(provider_name, **kwargs)
except Exception as e:
logger.warning(f"Failed to create fallback provider {provider_name}: {e}")
continue
raise SpeechSynthesisException("No TTS providers are available")
def get_provider_info(self, provider_name: str) -> Dict:
"""
Get information about a specific provider.
Args:
provider_name: Name of the provider
Returns:
Dict: Provider information including availability and supported features
"""
if provider_name not in self._providers:
return {"available": False, "error": "Provider not registered"}
try:
# Create instance if not cached
if provider_name not in self._provider_instances:
provider_class = self._providers[provider_name]
if provider_name == 'chatterbox':
self._provider_instances[provider_name] = provider_class()
else:
self._provider_instances[provider_name] = provider_class()
provider = self._provider_instances[provider_name]
return {
"available": provider.is_available(),
"name": provider.provider_name,
"supported_languages": provider.supported_languages,
"available_voices": provider.get_available_voices() if provider.is_available() else []
}
except Exception as e:
return {
"available": False,
"error": str(e)
}
def cleanup_providers(self):
"""Clean up provider instances and resources."""
for provider in self._provider_instances.values():
try:
if hasattr(provider, '_cleanup_temp_files'):
provider._cleanup_temp_files()
except Exception as e:
logger.warning(f"Failed to cleanup provider {provider.provider_name}: {e}")
self._provider_instances.clear()
logger.info("Cleaned up TTS provider instances") |