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import traceback
import piexif
import fal_client
import os
from io import BytesIO
from .base import Backend
class AIDRAW(Backend):
def __init__(self, count, payload, **kwargs):
super().__init__(count=count, payload=payload, **kwargs)
self.model = "Fal-AI - FLUX.1 [schnell]"
self.model_hash = "c7352c5d2f"
self.logger = self.setup_logger('[FLUX-FalAI]')
token = self.config.fal_ai[self.count]
self.token = token
self.backend_name = self.config.backend_name_list[2]
self.workload_name = f"{self.backend_name}-{token}"
async def get_shape(self):
aspect_ratio = self.width / self.height
tolerance = 0.05
def is_close_to_ratio(ratio):
return abs(aspect_ratio - ratio) < tolerance
if self.width == self.height:
return "square"
elif is_close_to_ratio(4 / 3):
return "portrait_4_3" if self.height > self.width else "landscape_4_3"
elif is_close_to_ratio(16 / 9):
return "portrait_16_9" if self.height > self.width else "landscape_16_9"
else:
return "portrait_4_3"
async def update_progress(self):
# 覆写函数
pass
async def get_img_comment(self):
image_data = self.img_btyes[0]
image_file = BytesIO(image_data)
image_bytes = image_file.getvalue()
exif_dict = piexif.load(image_bytes)
try:
user_comment = exif_dict['Exif'].get(piexif.ExifIFD.UserComment)
except Exception:
return 'No Raw Data'
return user_comment.decode('utf-8', errors='ignore')
async def check_backend_usability(self):
pass
async def err_formating_to_sd_style(self):
await self.download_img()
self.format_api_respond()
self.result = self.build_respond
async def posting(self):
os.environ['FAL_KEY'] = self.token
image_shape = await self.get_shape()
self.steps = int(self.steps / 3)
handler = await fal_client.submit_async(
"fal-ai/flux/schnell",
arguments={
"prompt": self.tags,
"image_size": image_shape,
"seed": self.seed,
"num_inference_steps": self.steps, # FLUX不需要很高的步数
"num_images": self.total_img_count,
"enable_safety_checker": True
},
)
response = await handler.get()
try:
if response['images']:
images_list = response['images']
for i in images_list:
self.img_url.append(i['url'])
else:
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")
except Exception as e:
self.fail_on_requesting = True
self.logger.error(f"请求API失败: {e}\n{traceback.format_exc()}")
await self.err_formating_to_sd_style()
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