engines/__init__.py

from RealtimeTTS.base_engine import BaseEngine, TimingInfo
from .orpheus_engine import OrpheusEngine

__all__ = [
    "BaseEngine", "TimingInfo",
    "SystemEngine", "SystemVoice",
    "OrpheusEngine", "OrpheusVoice",
]


# Lazy loader functions for the engines in this subpackage.



def _load_system_engine():
    from .system_engine import SystemEngine, SystemVoice
    globals()["SystemEngine"] = SystemEngine
    globals()["SystemVoice"] = SystemVoice
    return SystemEngine

def _load_orpheus_engine():
    from .orpheus_engine import OrpheusEngine, OrpheusVoice
    globals()["OrpheusEngine"] = OrpheusEngine
    globals()["OrpheusVoice"] = OrpheusVoice
    return OrpheusEngine


# Map attribute names to lazy loader functions.
_lazy_imports = {
    "SystemEngine": _load_system_engine,
    "SystemVoice": _load_system_engine,
    "OrpheusEngine": _load_orpheus_engine,
    "OrpheusVoice": _load_orpheus_engine,
}


def __getattr__(name):
    if name in _lazy_imports:
        return _lazy_imports[name]()
    raise AttributeError(f"module {__name__} has no attribute {name}")