app_config.py

"""
Configuration for Kokoro TTS API, especially for Hugging Face Spaces deployment.
"""

import os
import tempfile
import logging

# Configure logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

def setup_hf_cache():
    """Setup cache directories for Hugging Face Spaces"""
    cache_dirs = {
        'HF_HOME': '/tmp/hf_cache',
        'TRANSFORMERS_CACHE': '/tmp/hf_cache', 
        'HF_HUB_CACHE': '/tmp/hf_cache',
        'TORCH_HOME': '/tmp/torch_cache',
        'NUMBA_CACHE_DIR': '/tmp/numba_cache'
    }
    
    # Set environment variables
    for key, value in cache_dirs.items():
        os.environ[key] = value
        logger.info(f"Set {key} to {value}")
    
    # Create directories
    for cache_dir in set(cache_dirs.values()):
        try:
            os.makedirs(cache_dir, exist_ok=True)
            # Ensure write permissions
            os.chmod(cache_dir, 0o777)
            logger.info(f"Created cache directory: {cache_dir}")
        except Exception as e:
            logger.warning(f"Could not create/modify {cache_dir}: {e}")
    
    # Additional HF settings
    os.environ['NUMBA_DISABLE_JIT'] = '1'
    os.environ['HF_HUB_DISABLE_TELEMETRY'] = '1'
    
    logger.info("Cache directories setup completed")

def get_temp_dir():
    """Get a writable temporary directory"""
    return tempfile.gettempdir()

def is_hf_spaces():
    """Check if running on Hugging Face Spaces"""
    return os.environ.get('SPACE_ID') is not None

# Initialize cache setup
setup_hf_cache()