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import traceback
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import piexif
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import fal_client
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import os
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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 = "Fal-AI - FLUX.1 [schnell]"
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self.model_hash = "c7352c5d2f"
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self.logger = self.setup_logger('[FLUX-FalAI]')
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token = self.config.fal_ai[self.count]
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self.token = token
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self.backend_name = self.config.backend_name_list[2]
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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 "square"
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elif is_close_to_ratio(4 / 3):
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return "portrait_4_3" if self.height > self.width else "landscape_4_3"
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elif is_close_to_ratio(16 / 9):
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return "portrait_16_9" if self.height > self.width else "landscape_16_9"
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else:
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return "portrait_4_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['FAL_KEY'] = self.token
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image_shape = await self.get_shape()
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self.steps = int(self.steps / 3)
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handler = await fal_client.submit_async(
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"fal-ai/flux/schnell",
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arguments={
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"prompt": self.tags,
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"image_size": image_shape,
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"seed": self.seed,
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"num_inference_steps": self.steps,
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"num_images": self.total_img_count,
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"enable_safety_checker": True
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},
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)
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response = await handler.get()
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try:
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if response['images']:
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images_list = response['images']
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for i in images_list:
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self.img_url.append(i['url'])
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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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