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import asyncio
import random
import json
import time
import aiofiles
from tqdm import tqdm
from pathlib import Path
from fastapi import Request
from fastapi.responses import JSONResponse
from typing import Union
from colorama import Fore, Style
from colorama import init
init()
from ..base_config import setup_logger, init_instance
from .SD_civitai_API import AIDRAW
from .SD_A1111_webui import AIDRAW as AIDRAW2
from .FLUX_falai import AIDRAW as AIDRAW3
from .FLUX_replicate import AIDRAW as AIDRAW4
from .liblibai import AIDRAW as AIDRAW5
from .tusiart import AIDRAW as AIDRAW6
from .seaart import AIDRAW as AIDRAW7
from .yunjie import AIDRAW as AIDRAW8
from .comfyui import AIDRAW as AIDRAW9
from .novelai import AIDRAW as AIDRAW10
from .midjourney import AIDRAW as AIDRAW11
from .base import Backend
from DrawBridgeAPI.locales import _ as i18n
class BaseHandler:
def __init__(
self,
payload,
request: Request = None,
path: str = None,
comfyui_task=None,
):
self.task_list = []
self.instance_list: list[Backend] = []
self.payload = payload
self.request = request
self.path = path
self.config = init_instance.config
self.all_task_list = list(range(len(list(self.config.name_url[0].keys()))))
self.enable_backend: dict = {}
self.comfyui_task: str = comfyui_task
async def get_enable_task(
self,
enable_task
):
"""
此函数的作用是获取示例并且只保留选择了的后端
:param enable_task:
:return:
"""
tasks = [
self.get_civitai_task(),
self.get_a1111_task(),
self.get_falai_task(),
self.get_replicate_task(),
self.get_liblibai_task(),
self.get_tusiart_task(),
self.get_seaart_task(),
self.get_yunjie_task(),
self.get_comfyui_task(),
self.get_novelai_task(),
self.get_midjourney_task()
]
all_backend_instance = await asyncio.gather(*tasks)
all_backend_instance_list = [item for sublist in all_backend_instance for item in sublist]
# 获取启动的后端字典
all_backend_dict: dict = self.config.name_url[0]
items = list(all_backend_dict.items())
self.enable_backend = dict([items[i] for i in enable_task])
self.instance_list = [all_backend_instance_list[i] for i in enable_task]
async def get_civitai_task(self):
instance_list = []
counter = 0
for i in self.config.civitai:
if i is not None:
aidraw_instance = AIDRAW(count=counter, payload=self.payload)
counter += 1
instance_list.append(aidraw_instance)
return instance_list
async def get_a1111_task(self):
instance_list = []
counter = 0
for i in self.config.a1111webui['name']:
aidraw_instance = AIDRAW2(
count=counter,
payload=self.payload,
request=self.request,
path=self.path
)
counter += 1
instance_list.append(aidraw_instance)
return instance_list
async def get_falai_task(self):
instance_list = []
counter = 0
for i in self.config.fal_ai:
if i is not None:
aidraw_instance = AIDRAW3(count=counter, payload=self.payload)
counter += 1
instance_list.append(aidraw_instance)
return instance_list
async def get_replicate_task(self):
instance_list = []
counter = 0
for i in self.config.replicate:
if i is not None:
aidraw_instance = AIDRAW4(count=counter, payload=self.payload)
counter += 1
instance_list.append(aidraw_instance)
return instance_list
async def get_liblibai_task(self):
instance_list = []
counter = 0
for i in self.config.liblibai:
if i is not None:
aidraw_instance = AIDRAW5(count=counter, payload=self.payload)
counter += 1
instance_list.append(aidraw_instance)
return instance_list
async def get_tusiart_task(self):
instance_list = []
counter = 0
for i in self.config.tusiart:
if i is not None:
aidraw_instance = AIDRAW6(count=counter, payload=self.payload)
counter += 1
instance_list.append(aidraw_instance)
return instance_list
async def get_seaart_task(self):
instance_list = []
counter = 0
for i in self.config.seaart:
if i is not None:
aidraw_instance = AIDRAW7(count=counter, payload=self.payload)
counter += 1
instance_list.append(aidraw_instance)
return instance_list
async def get_yunjie_task(self):
instance_list = []
counter = 0
for i in self.config.yunjie:
if i is not None:
aidraw_instance = AIDRAW8(count=counter, payload=self.payload)
counter += 1
instance_list.append(aidraw_instance)
return instance_list
async def get_comfyui_task(self):
instance_list = []
counter = 0
hr_mode = self.payload.get('enable_hr', None)
for i in self.config.comfyui['name']:
try:
selected_task = (
"sdbase_txt2img_hr_fix" if hr_mode
else self.config.comfyui.get('default_workflows', ['sdbase_txt2img'])[counter]
)
except IndexError:
selected_task = "sdbase_txt2img"
img2img = self.payload.get("init_images", [])
if img2img:
selected_task = "sdbase_img2img"
aidraw_instance = AIDRAW9(
count=counter,
payload=self.payload,
request=self.request,
path=self.path,
comfyui_api_json=self.comfyui_task or selected_task
)
counter += 1
instance_list.append(aidraw_instance)
return instance_list
async def get_novelai_task(self):
instance_list = []
counter = 0
for i in self.config.novelai:
aidraw_instance = AIDRAW10(
count=counter,
payload=self.payload
)
counter += 1
instance_list.append(aidraw_instance)
return instance_list
async def get_midjourney_task(self):
instance_list = []
counter = 0
for i in self.config.midjourney['name']:
aidraw_instance = AIDRAW11(
count=counter,
payload=self.payload
)
counter += 1
instance_list.append(aidraw_instance)
return instance_list
class TXT2IMGHandler(BaseHandler):
def __init__(self, payload=None, comfyui_task: str = None):
super().__init__(comfyui_task=comfyui_task, payload=payload)
async def get_all_instance(self) -> tuple[list[Backend], dict]:
# 手动选择启动的后端
man_enable_task = self.config.server_settings['enable_txt2img_backends']
if len(man_enable_task) != 0:
man_enable_task = man_enable_task
else:
man_enable_task = self.all_task_list
await self.get_enable_task(man_enable_task)
return self.instance_list, self.enable_backend
class IMG2IMGHandler(BaseHandler):
def __init__(self, payload=None, comfyui_task: str = None):
super().__init__(comfyui_task=comfyui_task, payload=payload)
async def get_all_instance(self) -> tuple[list[Backend], dict]:
# 手动选择启动的后端
man_enable_task = self.config.server_settings['enable_img2img_backends']
if len(man_enable_task) != 0:
man_enable_task = man_enable_task
else:
man_enable_task = self.all_task_list
await self.get_enable_task(man_enable_task)
return self.instance_list, self.enable_backend
class A1111WebuiHandler(BaseHandler):
async def get_all_instance(self) -> tuple[list[Backend], dict]:
await self.get_enable_task([1])
return self.instance_list, self.enable_backend
class A1111WebuiHandlerAPI(BaseHandler):
async def get_all_instance(self) -> tuple[list[Backend], dict]:
man_enable_task = self.config.server_settings['enable_sdapi_backends']
if len(man_enable_task) != 0:
man_enable_task = man_enable_task
else:
man_enable_task = self.all_task_list
await self.get_enable_task(man_enable_task)
return self.instance_list, self.enable_backend
#
# class ComfyuiHandler(BaseHandler):
#
# async def get_all_instance(self) -> tuple[list[Backend], dict]:
#
# await self.get_enable_task([1])
#
# return self.instance_list, self.enable_backend
class StaticHandler:
lock_to_backend = None
prompt_style: list = None
@classmethod
def set_lock_to_backend(cls, selected_model: str):
cls.lock_to_backend = selected_model
@classmethod
def get_lock_to_backend(cls):
return cls.lock_to_backend
@classmethod
def get_prompt_style(cls):
return cls.prompt_style
@classmethod
def set_prompt_style(cls, prompt_style: list):
cls.prompt_style = prompt_style
@classmethod
def get_backend_options(cls):
build_resp = {
"samples_save": True,
"samples_format": "png",
"samples_filename_pattern": "",
"save_images_add_number": True,
"grid_save": True,
"grid_format": "png",
"grid_extended_filename": False,
"grid_only_if_multiple": True,
"grid_prevent_empty_spots": False,
"grid_zip_filename_pattern": "",
"n_rows": -1.0,
"font": "",
"grid_text_active_color": "#000000",
"grid_text_inactive_color": "#999999",
"grid_background_color": "#ffffff",
"enable_pnginfo": True,
"save_txt": False,
"save_images_before_face_restoration": False,
"save_images_before_highres_fix": False,
"save_images_before_color_correction": False,
"save_mask": False,
"save_mask_composite": False,
"jpeg_quality": 80.0,
"webp_lossless": False,
"export_for_4chan": True,
"img_downscale_threshold": 4.0,
"target_side_length": 4000.0,
"img_max_size_mp": 200.0,
"use_original_name_batch": True,
"use_upscaler_name_as_suffix": False,
"save_selected_only": True,
"save_init_img": False,
"temp_dir": "",
"clean_temp_dir_at_start": False,
"save_incomplete_images": False,
"outdir_samples": "",
"outdir_txt2img_samples": "outputs/txt2img-images",
"outdir_img2img_samples": "outputs/img2img-images",
"outdir_extras_samples": "outputs/extras-images",
"outdir_grids": "",
"outdir_txt2img_grids": "outputs/txt2img-grids",
"outdir_img2img_grids": "outputs/img2img-grids",
"outdir_save": "log/images",
"outdir_init_images": "outputs/init-images",
"save_to_dirs": True,
"grid_save_to_dirs": True,
"use_save_to_dirs_for_ui": False,
"directories_filename_pattern": "[date]",
"directories_max_prompt_words": 8.0,
"ESRGAN_tile": 192.0,
"ESRGAN_tile_overlap": 8.0,
"realesrgan_enabled_models": [
"R-ESRGAN 4x+",
"R-ESRGAN 4x+ Anime6B"
],
"upscaler_for_img2img": None,
"face_restoration": False,
"face_restoration_model": "CodeFormer",
"code_former_weight": 0.5,
"face_restoration_unload": False,
"auto_launch_browser": "Local",
"show_warnings": False,
"show_gradio_deprecation_warnings": True,
"memmon_poll_rate": 8.0,
"samples_log_stdout": False,
"multiple_tqdm": True,
"print_hypernet_extra": False,
"list_hidden_files": True,
"disable_mmap_load_safetensors": False,
"hide_ldm_prints": True,
"api_enable_requests": True,
"api_forbid_local_requests": True,
"api_useragent": "",
"unload_models_when_training": False,
"pin_memory": False,
"save_optimizer_state": False,
"save_training_settings_to_txt": True,
"dataset_filename_word_regex": "",
"dataset_filename_join_string": " ",
"training_image_repeats_per_epoch": 1.0,
"training_write_csv_every": 500.0,
"training_xattention_optimizations": False,
"training_enable_tensorboard": False,
"training_tensorboard_save_images": False,
"training_tensorboard_flush_every": 120.0,
"sd_model_checkpoint": cls.lock_to_backend if cls.lock_to_backend else 'DrawBridgeAPI-Auto-Select',
"sd_checkpoints_limit": 1.0,
"sd_checkpoints_keep_in_cpu": True,
"sd_checkpoint_cache": 3,
"sd_unet": "None",
"enable_quantization": False,
"enable_emphasis": True,
"enable_batch_seeds": True,
"comma_padding_backtrack": 20.0,
"CLIP_stop_at_last_layers": 3.0,
"upcast_attn": False,
"randn_source": "GPU",
"tiling": False,
"hires_fix_refiner_pass": "second pass",
"sdxl_crop_top": 0.0,
"sdxl_crop_left": 0.0,
"sdxl_refiner_low_aesthetic_score": 2.5,
"sdxl_refiner_high_aesthetic_score": 6.0,
"sd_vae_explanation": "<abbr title='Variational autoencoder'>VAE</abbr> is a neural network that transforms a standard <abbr title='red/green/blue'>RGB</abbr>\nimage into latent space representation and back. Latent space representation is what stable diffusion is working on during sampling\n(i.e. when the progress bar is between empty and full). For txt2img, VAE is used to create a resulting image after the sampling is finished.\nFor img2img, VAE is used to process user's input image before the sampling, and to create an image after sampling.",
"sd_vae_checkpoint_cache": 0,
"sd_vae": "None",
"sd_vae_overrides_per_model_preferences": False,
"auto_vae_precision": True,
"sd_vae_encode_method": "Full",
"sd_vae_decode_method": "Full",
"inpainting_mask_weight": 1.0,
"initial_noise_multiplier": 1.0,
"img2img_extra_noise": 0,
"img2img_color_correction": False,
"img2img_fix_steps": False,
"img2img_background_color": "#ffffff",
"img2img_editor_height": 720.0,
"img2img_sketch_default_brush_color": "#ffffff",
"img2img_inpaint_mask_brush_color": "#ffffff",
"img2img_inpaint_sketch_default_brush_color": "#ffffff",
"return_mask": False,
"return_mask_composite": False,
"cross_attention_optimization": "Automatic",
"s_min_uncond": 0.0,
"token_merging_ratio": 0.0,
"token_merging_ratio_img2img": 0.0,
"token_merging_ratio_hr": 0.0,
"pad_cond_uncond": False,
"persistent_cond_cache": True,
"batch_cond_uncond": True,
"use_old_emphasis_implementation": False,
"use_old_karras_scheduler_sigmas": False,
"no_dpmpp_sde_batch_determinism": False,
"use_old_hires_fix_width_height": False,
"dont_fix_second_order_samplers_schedule": False,
"hires_fix_use_firstpass_conds": False,
"use_old_scheduling": False,
"interrogate_keep_models_in_memory": False,
"interrogate_return_ranks": False,
"interrogate_clip_num_beams": 1.0,
"interrogate_clip_min_length": 24.0,
"interrogate_clip_max_length": 48.0,
"interrogate_clip_dict_limit": 1500.0,
"interrogate_clip_skip_categories": [],
"interrogate_deepbooru_score_threshold": 0.5,
"deepbooru_sort_alpha": True,
"deepbooru_use_spaces": True,
"deepbooru_escape": True,
"deepbooru_filter_tags": "",
"extra_networks_show_hidden_directories": True,
"extra_networks_hidden_models": "When searched",
"extra_networks_default_multiplier": 1.0,
"extra_networks_card_width": 0,
"extra_networks_card_height": 0,
"extra_networks_card_text_scale": 1.0,
"extra_networks_card_show_desc": True,
"extra_networks_add_text_separator": " ",
"ui_extra_networks_tab_reorder": "",
"textual_inversion_print_at_load": False,
"textual_inversion_add_hashes_to_infotext": True,
"sd_hypernetwork": "None",
"localization": "None",
"gradio_theme": "Default",
"gradio_themes_cache": True,
"gallery_height": "",
"return_grid": True,
"do_not_show_images": False,
"send_seed": True,
"send_size": True,
"js_modal_lightbox": True,
"js_modal_lightbox_initially_zoomed": True,
"js_modal_lightbox_gamepad": False,
"js_modal_lightbox_gamepad_repeat": 250.0,
"show_progress_in_title": True,
"samplers_in_dropdown": True,
"dimensions_and_batch_together": True,
"keyedit_precision_attention": 0.1,
"keyedit_precision_extra": 0.05,
"keyedit_delimiters": ".,\\/!?%^*;:{}=`~()",
"keyedit_move": True,
"quicksettings_list": [
"sd_model_checkpoint",
"sd_unet",
"sd_vae",
"CLIP_stop_at_last_layers"
],
"ui_tab_order": [],
"hidden_tabs": [],
"ui_reorder_list": [],
"hires_fix_show_sampler": False,
"hires_fix_show_prompts": False,
"disable_token_counters": False,
"add_model_hash_to_info": True,
"add_model_name_to_info": True,
"add_user_name_to_info": False,
"add_version_to_infotext": True,
"disable_weights_auto_swap": True,
"infotext_styles": "Apply if any",
"show_progressbar": True,
"live_previews_enable": True,
"live_previews_image_format": "png",
"show_progress_grid": True,
"show_progress_every_n_steps": 10.0,
"show_progress_type": "Approx NN",
"live_preview_allow_lowvram_full": False,
"live_preview_content": "Prompt",
"live_preview_refresh_period": 1000.0,
"live_preview_fast_interrupt": False,
"hide_samplers": [],
"eta_ddim": 0.0,
"eta_ancestral": 1.0,
"ddim_discretize": "uniform",
"s_churn": 0.0,
"s_tmin": 0.0,
"s_tmax": 0,
"s_noise": 1.0,
"k_sched_type": "Automatic",
"sigma_min": 0.0,
"sigma_max": 0.0,
"rho": 0.0,
"eta_noise_seed_delta": 0,
"always_discard_next_to_last_sigma": False,
"sgm_noise_multiplier": False,
"uni_pc_variant": "bh1",
"uni_pc_skip_type": "time_uniform",
"uni_pc_order": 3.0,
"uni_pc_lower_order_final": True,
"postprocessing_enable_in_main_ui": [],
"postprocessing_operation_order": [],
"upscaling_max_images_in_cache": 5.0,
"disabled_extensions": [],
"disable_all_extensions": "none",
"restore_config_state_file": "",
"sd_checkpoint_hash": "91e0f7cbaf70676153810c231e8703bf26b3208c116a3d1f2481cbc666905471"
}
return build_resp
class TaskHandler(StaticHandler):
backend_avg_dict: dict = {}
write_count: dict = {}
backend_images: dict = {}
backend_site_list = None
load_balance_logger = setup_logger('[AvgTimeCalculator]')
load_balance_sample = 10
redis_client = None
backend_status = None
@classmethod
def update_backend_status(cls):
cls.backend_status = json.loads(cls.redis_client.get("workload"))
@classmethod
def get_redis_client(cls):
cls.redis_client = init_instance.redis_client
@classmethod
async def get_backend_avg_work_time(cls) -> dict:
backend_sites = cls.backend_site_list
avg_time_key = ""
avg_time_data = cls.redis_client.get("backend_avg_time")
if avg_time_data is None:
cls.redis_client.set(avg_time_key, json.dumps(cls.backend_avg_dict))
else:
new_data = json.loads(avg_time_data)
for key, values in new_data.items():
if key in cls.backend_avg_dict:
cls.backend_avg_dict[key].extend(
values[-cls.load_balance_sample:] if len(values) >= cls.load_balance_sample else
values
)
else:
cls.backend_avg_dict[key] = (values[-cls.load_balance_sample:] if
len(values) >= cls.load_balance_sample else values)
cls.backend_avg_dict[key] = cls.backend_avg_dict[key][-10:]
avg_time_dict = {}
for backend_site in backend_sites:
spend_time_list = cls.backend_avg_dict.get(backend_site, [])
if spend_time_list and len(spend_time_list) >= cls.load_balance_sample:
sorted_list = sorted(spend_time_list)
trimmed_list = sorted_list[1:-1]
avg_time = sum(trimmed_list) / len(trimmed_list) if trimmed_list else None
avg_time_dict[backend_site] = avg_time
else:
avg_time_dict[backend_site] = None
return avg_time_dict
@classmethod
async def set_backend_work_time(cls, spend_time, backend_site, total_images=1):
spend_time_list = cls.backend_avg_dict.get(backend_site, [])
spend_time_list.append(int(spend_time/total_images))
if len(spend_time_list) >= cls.load_balance_sample:
spend_time_list = spend_time_list[-cls.load_balance_sample:]
cls.backend_avg_dict[backend_site] = spend_time_list
cls.write_count[backend_site] = cls.write_count.get(backend_site, 0) + 1
if cls.write_count.get(backend_site, 0) >= cls.load_balance_sample:
cls.redis_client.set("backend_avg_time", json.dumps(cls.backend_avg_dict))
cls.write_count[backend_site] = 0
# info_str = ''
# for key, values in cls.backend_avg_dict.items():
# info_str += f"{key}: 最近10次生成时间{values}\n"
#
# cls.load_balance_logger.info(info_str)
@classmethod
def set_backend_image(cls, num=0, backend_site=None, get=False) -> Union[None, dict]:
all_backend_dict = {}
if backend_site:
working_images = cls.backend_images.get(backend_site, 1)
working_images += num
cls.backend_images[backend_site] = working_images
if get:
for site in cls.backend_site_list:
all_backend_dict[site] = cls.backend_images.get(site, 1)
return all_backend_dict
@classmethod
def set_backend_list(cls, backend_dict):
cls.backend_site_list = list(backend_dict.values())
def __init__(
self,
payload=None,
request: Request = None,
path: str = None,
select_backend: int = None,
reutrn_instance: bool = False,
model_to_backend: str = None,
disable_loadbalance: bool = False,
comfyui_json: str = "",
override_model_select: bool = False,
):
self.payload = payload
self.instance_list = []
self.result = None
self.request = request
self.path = path
self.enable_backend = None
self.reutrn_instance = reutrn_instance
self.select_backend = select_backend
self.model_to_backend = model_to_backend # 模型的名称
self.disable_loadbalance = disable_loadbalance
self.lock_to_backend = self.get_lock_to_backend() if override_model_select is False else None
self.comfyui_json: str = comfyui_json
self.total_images = (self.payload.get("batch_size", 1) * self.payload.get("n_iter", 1)) or 1
self.ava_backend_url = None
self.ava_backend_index = None
@staticmethod
def get_backend_name(model_name) -> str:
all_model: bytes = init_instance.redis_client.get('models')
all_model: dict = json.loads(all_model.decode('utf-8'))
for key, models in all_model.items():
if isinstance(models, list):
for model in models:
if model.get("title") == model_name or model.get("model_name") == model_name:
return key
@staticmethod
def get_backend_index(mapping_dict, key_to_find) -> int:
keys = list(mapping_dict.keys())
if key_to_find in keys:
return keys.index(key_to_find)
return None
async def txt2img(self):
self.instance_list, self.enable_backend = await TXT2IMGHandler(
self.payload,
comfyui_task=self.comfyui_json
).get_all_instance()
await self.choice_backend()
return self.result
async def img2img(self):
self.instance_list, self.enable_backend = await IMG2IMGHandler(
self.payload,
comfyui_task=self.comfyui_json
).get_all_instance()
await self.choice_backend()
return self.result
async def sd_api(self) -> JSONResponse or list[Backend]:
self.instance_list, self.enable_backend = await A1111WebuiHandlerAPI(
self.payload,
self.request,
self.path
).get_all_instance()
await self.choice_backend()
return self.result
async def choice_backend(self):
from DrawBridgeAPI.locales import _ as i18n
if self.disable_loadbalance:
return
backend_url_dict = self.enable_backend
self.set_backend_list(backend_url_dict)
self.get_redis_client()
reverse_dict = {value: key for key, value in backend_url_dict.items()}
tasks = []
is_avaiable = 0
status_dict = {}
ava_url = None
n = -1
e = -1
normal_backend = None
idle_backend = []
logger = setup_logger(custom_prefix='[LOAD_BALANCE]')
if self.reutrn_instance:
self.result = self.instance_list
return
for i in self.instance_list:
task = i.get_backend_working_progress()
tasks.append(task)
# 获取api队列状态
key = self.get_backend_name(self.model_to_backend or self.lock_to_backend)
if self.model_to_backend and key is not None:
backend_index = self.get_backend_index(backend_url_dict, key)
logger.info(f"{i18n('Manually select model')}: {self.model_to_backend}, {i18n('Backend select')}{key[:24]}")
self.ava_backend_url = backend_url_dict[key]
self.ava_backend_index = backend_index
await self.exec_generate()
elif self.lock_to_backend:
if self.lock_to_backend and key is not None:
backend_index = self.get_backend_index(backend_url_dict, key)
logger.info(f"{i18n('Backend locked')}: {key[:24]}")
self.ava_backend_url = backend_url_dict[key]
self.ava_backend_index = backend_index
await self.exec_generate()
else:
all_resp = await asyncio.gather(*tasks, return_exceptions=True)
logger.info(i18n('Starting backend selection'))
for resp_tuple in all_resp:
e += 1
if isinstance(resp_tuple, None or Exception):
logger.warning(i18n('Backend %s is down') % self.instance_list[e].workload_name[:24])
else:
try:
if resp_tuple[3] in [200, 201]:
n += 1
status_dict[resp_tuple[2]] = resp_tuple[0]["eta_relative"]
normal_backend = (list(status_dict.keys()))
else:
raise RuntimeError
except RuntimeError or TypeError:
logger.warning(i18n('Backend %s is failed or locked') % self.instance_list[e].workload_name[:24])
continue
else:
# 更改判断逻辑
if resp_tuple[0]["progress"] in [0, 0.0]:
is_avaiable += 1
idle_backend.append(normal_backend[n])
else:
pass
# 显示进度
total = 100
progress = int(resp_tuple[0]["progress"] * 100)
show_str = f"{list(backend_url_dict.keys())[e][:24]}"
show_str = show_str.ljust(50, "-")
bar_format = f"{Fore.CYAN}[Progress] {{l_bar}}{{bar}}|{Style.RESET_ALL}"
with tqdm(
total=total,
desc=show_str + "-->",
bar_format=bar_format
) as pbar:
pbar.update(progress)
if len(normal_backend) == 0:
logger.error(i18n('No available backend'))
raise RuntimeError(i18n('No available backend'))
backend_total_work_time = {}
avg_time_dict = await self.get_backend_avg_work_time()
backend_image = self.set_backend_image(get=True)
eta = 0
for (site, time_), (_, image_count) in zip(avg_time_dict.items(), backend_image.items()):
self.load_balance_logger.info(
i18n('Backend: %s Average work time: %s seconds, Current tasks: %s') % (site, time_, image_count - 1)
)
if site in normal_backend:
self.update_backend_status()
for key in self.backend_status:
if site in key:
end_time = self.backend_status[key].get('end_time', None)
start_time = self.backend_status[key].get('start_time', None)
if start_time:
if end_time:
eta = 0
else:
current_time = time.time()
eta = int(current_time - start_time)
effective_time = 1 if time_ is None else time_
total_work_time = effective_time * int(image_count)
eta = eta if time_ else 0
self.load_balance_logger.info(f"{i18n('Extra time weight')}{eta}")
backend_total_work_time[site] = total_work_time - eta if (total_work_time - eta) >= 0 else total_work_time
total_time_dict = list(backend_total_work_time.values())
rev_dict = {}
for key, value in backend_total_work_time.items():
if value in rev_dict:
rev_dict[(value, key)] = value
else:
rev_dict[value] = key
sorted_list = sorted(total_time_dict)
fastest_backend = sorted_list[0]
ava_url = rev_dict[fastest_backend]
self.load_balance_logger.info(i18n('Backend %s is the fastest, has been selected') % ava_url[:24])
ava_url_index = list(backend_url_dict.values()).index(ava_url)
self.ava_backend_url = ava_url
self.ava_backend_index = ava_url_index
await self.exec_generate()
# ava_url_tuple = (ava_url, reverse_dict[ava_url], all_resp, len(normal_backend), vram_dict[ava_url])
async def exec_generate(self):
self.set_backend_image(self.total_images, self.ava_backend_url)
fifo = None
try:
fifo = await self.instance_list[self.ava_backend_index].send_result_to_api()
except:
pass
finally:
self.set_backend_image(-self.total_images, self.ava_backend_url)
self.result = fifo.result if fifo is not None else None
await self.set_backend_work_time(fifo.spend_time, self.ava_backend_url, fifo.total_img_count)
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