from ahserver.serverenv import ServerEnv
from aiohttp.web import StreamResponse

from whisper.load_model import WhisperBase64

async def generate(request, **kw):
    model = kw.get('model', 'whisper')
    engine = None
    g = ServerEnv()
    if model=='whisper':
        engine = g.whisper_engine
        if engine is None:
            engine = WhisperBase64
            g.whisper_engine = engine

    await resp.prepare(request)
    line = await request.content.readline()
    content = ''
    while line:
        txt = await engine.stt(line)
        content += txt
        d = json.dumps({'content':content})
        btxt = d.encode('utf8')
        await resp.write(btxt)
        await resp.drain()
        line = await request.content.readline()
    return resp

rf = RegisterFunction()
rf.register('generate', generate)