73 lines
3.8 KiB
Python
73 lines
3.8 KiB
Python
import asyncio
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import logging
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from io import BytesIO
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import aiohttp
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from .ai_responder import AIResponderBase, exponential_backoff
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class LeonardoAIDrawMixIn(AIResponderBase):
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async def draw_leonardo(self, description: str) -> BytesIO:
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error_backoff = exponential_backoff(max_attempts=12)
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generation_id = None
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image_url = None
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image_bytes = None
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while True:
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error_sleep = next(error_backoff)
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try:
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async with aiohttp.ClientSession() as session:
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if generation_id is None:
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async with session.post(
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"https://cloud.leonardo.ai/api/rest/v1/generations",
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json={
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"prompt": description,
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"modelId": "6bef9f1b-29cb-40c7-b9df-32b51c1f67d3",
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"num_images": 1,
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"sd_version": "v2",
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"promptMagic": True,
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"unzoomAmount": 1,
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"width": 512,
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"height": 512,
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},
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headers={
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"Authorization": f"Bearer {self.config['leonardo-token']}",
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"Accept": "application/json",
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"Content-Type": "application/json",
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},
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) as response:
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response = await response.json()
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if "sdGenerationJob" not in response:
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logging.warning(f"No 'sdGenerationJob' found in response, sleep for {error_sleep}s: {repr(response)}")
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await asyncio.sleep(error_sleep)
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continue
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generation_id = response["sdGenerationJob"]["generationId"]
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if image_url is None:
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async with session.get(
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f"https://cloud.leonardo.ai/api/rest/v1/generations/{generation_id}",
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headers={"Authorization": f"Bearer {self.config['leonardo-token']}", "Accept": "application/json"},
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) as response:
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response = await response.json()
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if "generations_by_pk" not in response:
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logging.warning(f"Unexpected response, sleep for {error_sleep}s: {repr(response)}")
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await asyncio.sleep(error_sleep)
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continue
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if len(response["generations_by_pk"]["generated_images"]) == 0:
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await asyncio.sleep(error_sleep)
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continue
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image_url = response["generations_by_pk"]["generated_images"][0]["url"]
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if image_bytes is None:
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async with session.get(image_url) as response:
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image_bytes = BytesIO(await response.read())
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async with session.delete(
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f"https://cloud.leonardo.ai/api/rest/v1/generations/{generation_id}",
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headers={"Authorization": f"Bearer {self.config['leonardo-token']}"},
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) as response:
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await response.json()
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logging.info(f"Drawed a picture with leonardo AI on this description: {repr(description)}")
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return image_bytes
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except Exception as err:
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logging.warning(f"Failed to generate image, sleep for {error_sleep}s: {repr(description)}\n{repr(err)}")
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await asyncio.sleep(error_sleep)
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raise RuntimeError(f"Failed to generate image {repr(description)}")
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