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import traceback
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import piexif
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import os
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import replicate
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from io import BytesIO
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from .base import Backend
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class AIDRAW(Backend):
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def __init__(self, count, payload, **kwargs):
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super().__init__(count=count, payload=payload, **kwargs)
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self.model = "Replicate - FLUX.1 [schnell]"
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self.model_hash = "c7352c5d2f"
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self.logger = self.setup_logger('[FLUX-Replicate]')
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token = self.config.replicate[self.count]
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self.token = token
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self.backend_name = self.config.backend_name_list[3]
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self.workload_name = f"{self.backend_name}-{token}"
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async def get_shape(self):
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aspect_ratio = self.width / self.height
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tolerance = 0.05
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def is_close_to_ratio(ratio):
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return abs(aspect_ratio - ratio) < tolerance
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if self.width == self.height:
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return "1:1"
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elif is_close_to_ratio(16 / 9):
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return "16:9"
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elif is_close_to_ratio(21 / 9):
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return "21:9"
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elif is_close_to_ratio(2 / 3):
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return "2:3"
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elif is_close_to_ratio(3 / 2):
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return "3:2"
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elif is_close_to_ratio(4 / 5):
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return "4:5"
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elif is_close_to_ratio(5 / 4):
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return "5:4"
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elif is_close_to_ratio(9 / 16):
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return "9:16"
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elif is_close_to_ratio(9 / 21):
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return "9:21"
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else:
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return "2:3"
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async def update_progress(self):
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pass
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async def get_img_comment(self):
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image_data = self.img_btyes[0]
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image_file = BytesIO(image_data)
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image_bytes = image_file.getvalue()
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exif_dict = piexif.load(image_bytes)
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try:
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user_comment = exif_dict['Exif'].get(piexif.ExifIFD.UserComment)
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except Exception:
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return 'No Raw Data'
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return user_comment.decode('utf-8', errors='ignore')
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async def check_backend_usability(self):
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pass
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async def err_formating_to_sd_style(self):
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await self.download_img()
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self.format_api_respond()
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self.result = self.build_respond
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async def posting(self):
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os.environ['REPLICATE_API_TOKEN'] = self.token
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image_shape = await self.get_shape()
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input_ = {
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"prompt": self.tags,
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"seed": self.seed,
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"num_outputs": self.total_img_count,
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"aspect_ratio": image_shape,
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"output_format": 'png',
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"output_quality": 90
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}
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output = await replicate.async_run(
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"black-forest-labs/flux-schnell",
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input=input_
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)
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try:
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if output:
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for i in output:
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self.img_url.append(i)
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else:
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raise ValueError("图片没有被生成,可能是图片没有完成或者结果不可用")
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except Exception as e:
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self.fail_on_requesting = True
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self.logger.error(f"请求API失败: {e}\n{traceback.format_exc()}")
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await self.err_formating_to_sd_style()
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