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import traceback
import piexif
import os
import replicate
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 = "Replicate - FLUX.1 [schnell]"
self.model_hash = "c7352c5d2f"
self.logger = self.setup_logger('[FLUX-Replicate]')
token = self.config.replicate[self.count]
self.token = token
self.backend_name = self.config.backend_name_list[3]
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 "1:1"
elif is_close_to_ratio(16 / 9):
return "16:9"
elif is_close_to_ratio(21 / 9):
return "21:9"
elif is_close_to_ratio(2 / 3):
return "2:3"
elif is_close_to_ratio(3 / 2):
return "3:2"
elif is_close_to_ratio(4 / 5):
return "4:5"
elif is_close_to_ratio(5 / 4):
return "5:4"
elif is_close_to_ratio(9 / 16):
return "9:16"
elif is_close_to_ratio(9 / 21):
return "9:21"
else:
return "2:3"
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['REPLICATE_API_TOKEN'] = self.token
image_shape = await self.get_shape()
input_ = {
"prompt": self.tags,
"seed": self.seed,
"num_outputs": self.total_img_count,
"aspect_ratio": image_shape,
"output_format": 'png',
"output_quality": 90
}
output = await replicate.async_run(
"black-forest-labs/flux-schnell",
input=input_
)
try:
if output:
for i in output:
self.img_url.append(i)
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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