Files
modelscope-scepter/scepter/studio/preprocess/processors/caption_processors.py
T

775 lines
32 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (c) Alibaba, Inc. and its affiliates.
import numbers
import re
import time
from torchvision.transforms.functional import InterpolationMode
import torchvision.transforms as T
import torch
from PIL import Image
from transformers import AutoModel, AutoTokenizer
from scepter.modules.utils.distribute import we
from scepter.modules.utils.file_system import FS
import numpy as np
from scepter.studio.preprocess.processors.base_processor import \
BaseCaptionProcessor
import io
from decord import cpu, VideoReader, bridge
__all__ = ['BlipImageBase', 'QWVL', 'QWVLQuantize', 'InternVL15', 'CogVLM2Llama3Caption',
'OpusMtZhEn', 'OpusMtEnZh']
def get_region(image, mask, mask_id):
locs = np.where(np.array(mask) == mask_id)
if len(locs) < 1 or locs[0].shape[0] < 1 or locs[1].shape[0] < 1:
return None
left, right = np.min(locs[1]), np.max(locs[1])
top, bottom = np.min(locs[0]), np.max(locs[0])
box = [left, top, right, bottom]
region_image = image.crop(box)
region_image.save("1.jpg")
return region_image
class BlipImageBase(BaseCaptionProcessor):
def __init__(self, cfg, language='en'):
super().__init__(cfg, language=language)
self.model_path = cfg.MODEL_PATH
self.model_info = {
'device': 'offline',
'model': None,
'tokenizer': None
}
def load_model(self):
is_flg, msg = super().load_model()
if not is_flg:
return is_flg, msg
if self.model_info['device'] == 'offline':
model = None
processor = None
try:
from transformers import BlipProcessor, BlipForConditionalGeneration
local_model_dir = FS.get_dir_to_local_dir(self.model_path)
processor = BlipProcessor.from_pretrained(local_model_dir)
model = BlipForConditionalGeneration.from_pretrained(
local_model_dir).to(we.device_id)
except Exception as e:
if model is not None:
del model
if processor is not None:
del model
return False, f"Load model error '{e}'"
self.model_info['device'] = model.device
self.model_info['model'] = model
self.model_info['processor'] = processor
elif self.model_info['device'] == 'cpu':
try:
self.model_info['model'].to(we.device_id)
self.model_info['device'] = we.device_id
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
except Exception as e:
del self.model_info['model']
self.model_info['model'] = None
self.model_info['device'] = 'offline'
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
return False, f"Load model error '{e}'"
return True, ''
def unload_model(self):
super().unload_model()
if self.delete_instance:
self.model_info['device'] = 'offline'
if self.model_info['model'] is not None:
self.model_info['model'] = self.model_info['model'].to('cpu')
del self.model_info['model']
self.model_info['model'] = None
elif (isinstance(self.model_info['device'], numbers.Number)
or str(self.model_info['device']).startswith('cuda')):
self.model_info['device'] = 'cpu'
self.model_info['model'] = self.model_info['model'].to('cpu')
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
return True, ''
def get_caption(self, image, use_local, mask):
image = image.convert('RGB')
if use_local:
image = get_region(image,
mask.convert('L'),
255)
if image is None:
return ""
inputs = self.model_info['processor'](image, return_tensors='pt').to(we.device_id)
out = self.model_info['model'].generate(**inputs)
caption = self.model_info['processor'].decode(out[0], skip_special_tokens=True)
return caption
def __call__(self, **kwargs):
target_image = kwargs.get('target_image', None)
src_mask = kwargs.get('src_mask', None)
src_image = kwargs.get('src_image', None)
use_preview = kwargs.get('use_preview', True)
caption = kwargs.get('caption', None)
use_local = kwargs.get('use_local', False)
cache = kwargs.get('cache', None)
preview_target_image = kwargs.get('preview_target_image', None) if use_preview else target_image
preview_src_mask = kwargs.get('preview_src_mask', None) if use_preview else src_mask
preview_src_image = kwargs.get('preview_src_image', None) if use_preview else src_image
preview_caption = kwargs.get('preview_caption', None) if use_preview else caption
response = ""
if preview_src_image is not None:
response += ("src_caption" + ": " +
self.get_caption(preview_src_image, use_local, preview_src_mask) + "\n")
if preview_target_image is not None:
response += ("target_caption" + ": " +
self.get_caption(preview_target_image, use_local, preview_src_mask) + "\n")
return response
class QWVL(BaseCaptionProcessor):
def __init__(self, cfg, language='en'):
super().__init__(cfg, language=language)
self.model_path = cfg.MODEL_PATH
self.model_info = {
'device': 'offline',
'model': None,
'tokenizer': None
}
def load_model(self):
is_flg, msg = super().load_model()
if not is_flg:
return is_flg, msg
if self.model_info['device'] == 'offline':
model = None
try:
from modelscope import (AutoModelForCausalLM, AutoTokenizer,
GenerationConfig)
local_model_dir = FS.get_dir_to_local_dir(self.model_path)
# without quantization using 19.52G memory
# with quantization using 7.7G memory
tokenizer = AutoTokenizer.from_pretrained(
local_model_dir, trust_remote_code=True)
model = AutoModelForCausalLM.from_pretrained(
local_model_dir,
device_map='auto',
trust_remote_code=True,
fp16=True).eval()
model.generation_config = GenerationConfig.from_pretrained(
local_model_dir, trust_remote_code=True)
except Exception as e:
if model is not None:
del model
return False, f"Load model error '{e}'"
self.model_info['device'] = model.device
self.model_info['model'] = model
self.model_info['tokenizer'] = tokenizer
elif self.model_info['device'] == 'cpu':
try:
self.model_info['model'].to(we.device_id)
self.model_info['device'] = we.device_id
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
except Exception as e:
del self.model_info['model']
self.model_info['model'] = None
self.model_info['device'] = 'offline'
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
return False, f"Load model error '{e}'"
return True, ''
def unload_model(self):
super().unload_model()
if self.delete_instance:
if self.model_info['model'] is not None:
self.model_info['model'] = self.model_info['model'].to('cpu')
del self.model_info['model']
self.model_info['model'] = None
self.model_info['device'] = 'offline'
elif (isinstance(self.model_info['device'], numbers.Number)
or str(self.model_info['device']).startswith('cuda')):
self.model_info['device'] = 'cpu'
self.model_info['model'] = self.model_info['model'].to('cpu')
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
return True, ''
def get_caption(self, image, prompt, kwargs, use_local, mask):
image = image.convert('RGB')
if use_local:
image = get_region(image,
mask.convert('L'),
255)
if image is None:
return ""
torch.manual_seed(int(time.time()) % 100000)
query = self.model_info['tokenizer'].from_list_format([
{
'image': image
},
{
'text': prompt
},
])
inputs = self.model_info['tokenizer'](query, return_tensors='pt')
inputs = inputs.to(self.model_info['device'])
pred = self.model_info['model'].generate(**inputs, **kwargs)
response = self.model_info['tokenizer'].decode(
pred.cpu()[0], skip_special_tokens=True)
ret_caption = response.split(prompt)[-1]
if ret_caption.startswith(','):
ret_caption = ret_caption[1:]
regex = re.compile(r'[' + '#®•©™&@·º½¾¿¡§~' + ')' + '(' + ']' + '[' +
'}' + '{' + '|' + '\\' + '/' + '*' +
r']{1,}') # noqa: E501
ret_caption = re.sub(regex, r' ', ret_caption)
regex = re.compile(r'^[\-\_]+')
ret_caption = re.sub(regex, r'', ret_caption)
return ret_caption
def __call__(self, **kwargs):
target_image = kwargs.pop('target_image', None)
src_mask = kwargs.pop('src_mask', None)
src_image = kwargs.pop('src_image', None)
use_preview = kwargs.pop('use_preview', True)
sys_prompt = kwargs.pop('sys_prompt', 'Generate the caption in English')
caption = kwargs.pop('caption', None)
use_local = kwargs.pop('use_local', False)
cache = kwargs.pop('cache', None)
preview_target_image = kwargs.pop('preview_target_image', None) if use_preview else target_image
preview_src_mask = kwargs.pop('preview_src_mask', None) if use_preview else src_mask
preview_src_image = kwargs.pop('preview_src_image', None) if use_preview else src_image
preview_caption = kwargs.pop('preview_caption', None) if use_preview else caption
kwargs_keys = ["max_new_tokens", "min_new_tokens", "num_beams", "repetition_penalty", "temperature"]
process_kwargs = {}
for key in kwargs_keys:
if key in kwargs:
process_kwargs[key] = kwargs[key]
response = ""
if preview_src_image is not None:
response += ("src_caption" + ": " +
self.get_caption(preview_src_image, sys_prompt, process_kwargs, use_local, preview_src_mask) + "\n")
if preview_target_image is not None:
response += ("target_caption" + ": " +
self.get_caption(preview_target_image, sys_prompt, process_kwargs, use_local, preview_src_mask) + "\n")
return response
class QWVLQuantize(QWVL):
def load_model(self):
is_flg, msg = super(QWVL, self).load_model()
if not is_flg:
return is_flg, msg
self.model = None
if self.model_info['device'] == 'offline':
try:
from transformers import BitsAndBytesConfig
torch.manual_seed(int(time.time()))
from modelscope import (AutoModelForCausalLM, AutoTokenizer,
GenerationConfig)
local_model_dir = FS.get_dir_to_local_dir(self.model_path)
# without quantization using 19.52G memory
# with quantization using 7.7G memory
quantization_config = BitsAndBytesConfig(
load_in_4bit=True,
bnb_4bit_compute_dtype=torch.float16,
bnb_4bit_quant_type='nf4',
bnb_4bit_use_double_quant=True,
llm_int8_skip_modules=['lm_head', 'attn_pool.attn'])
tokenizer = AutoTokenizer.from_pretrained(
local_model_dir, trust_remote_code=True)
model = AutoModelForCausalLM.from_pretrained(
local_model_dir,
device_map='auto',
trust_remote_code=True,
fp16=True,
quantization_config=quantization_config).eval()
model.generation_config = GenerationConfig.from_pretrained(
local_model_dir, trust_remote_code=True)
# model.to(we.device_id)
except Exception as e:
if self.model is not None:
del self.model
return False, f"Load model error '{e}'"
self.model_info['device'] = model.device
self.model_info['model'] = model
self.model_info['tokenizer'] = tokenizer
elif self.model_info['device'] == 'cpu':
try:
self.model_info['model'].to(we.device_id)
self.model_info['device'] = we.device_id
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
except Exception as e:
del self.model_info['model']
self.model_info['model'] = None
self.model_info['device'] = 'offline'
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
return False, f"Load model error '{e}'"
return True, ''
def unload_model(self):
print(self.model_info['device'])
if (isinstance(self.model_info['device'], numbers.Number)
or str(self.model_info['device']).startswith('cuda')):
del self.model_info['model']
self.model_info['model'] = None
self.model_info['device'] = 'offline'
torch.cuda.empty_cache()
return True, ''
class InternVL15(QWVL):
# AI-ModelScope/InternVL-Chat-V1-5
def load_model(self):
is_flg, msg = super(QWVL, self).load_model()
if not is_flg:
return is_flg, msg
self.model = None
if self.model_info['device'] == 'offline':
try:
local_path = FS.get_dir_to_local_dir(self.model_path)
# If you have an 80G A100 GPU, you can put the entire model on a single GPU.
model = AutoModel.from_pretrained(
local_path,
torch_dtype=torch.bfloat16,
low_cpu_mem_usage=True,
trust_remote_code=True).eval().to(we.device_id)
tokenizer = AutoTokenizer.from_pretrained(local_path, trust_remote_code=True)
# model.to(we.device_id)
except Exception as e:
if self.model is not None:
del self.model
return False, f"Load model error '{e}'"
self.model_info['device'] = model.device
self.model_info['model'] = model
self.model_info['tokenizer'] = tokenizer
elif self.model_info['device'] == 'cpu':
try:
self.model_info['model'].to(we.device_id)
self.model_info['device'] = we.device_id
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
except Exception as e:
del self.model_info['model']
self.model_info['model'] = None
self.model_info['device'] = 'offline'
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
return False, f"Load model error '{e}'"
return True, ''
def unload_model(self):
print(self.model_info['device'])
if (isinstance(self.model_info['device'], numbers.Number)
or str(self.model_info['device']).startswith('cuda')):
del self.model_info['model']
self.model_info['model'] = None
self.model_info['device'] = 'offline'
torch.cuda.empty_cache()
return True, ''
def build_transform(self, input_size):
IMAGENET_MEAN = (0.485, 0.456, 0.406)
IMAGENET_STD = (0.229, 0.224, 0.225)
MEAN, STD = IMAGENET_MEAN, IMAGENET_STD
transform = T.Compose([
T.Lambda(lambda img: img.convert('RGB') if img.mode != 'RGB' else img),
T.Resize((input_size, input_size), interpolation=InterpolationMode.BICUBIC),
T.ToTensor(),
T.Normalize(mean=MEAN, std=STD)
])
return transform
def find_closest_aspect_ratio(self, aspect_ratio, target_ratios, width, height, image_size):
best_ratio_diff = float('inf')
best_ratio = (1, 1)
area = width * height
for ratio in target_ratios:
target_aspect_ratio = ratio[0] / ratio[1]
ratio_diff = abs(aspect_ratio - target_aspect_ratio)
if ratio_diff < best_ratio_diff:
best_ratio_diff = ratio_diff
best_ratio = ratio
elif ratio_diff == best_ratio_diff:
if area > 0.5 * image_size * image_size * ratio[0] * ratio[1]:
best_ratio = ratio
return best_ratio
def dynamic_preprocess(self, image, min_num=1, max_num=6, image_size=448, use_thumbnail=False):
orig_width, orig_height = image.size
aspect_ratio = orig_width / orig_height
# calculate the existing image aspect ratio
target_ratios = set(
(i, j) for n in range(min_num, max_num + 1) for i in range(1, n + 1) for j in range(1, n + 1) if
i * j <= max_num and i * j >= min_num)
target_ratios = sorted(target_ratios, key=lambda x: x[0] * x[1])
# find the closest aspect ratio to the target
target_aspect_ratio = self.find_closest_aspect_ratio(
aspect_ratio, target_ratios, orig_width, orig_height, image_size)
# calculate the target width and height
target_width = image_size * target_aspect_ratio[0]
target_height = image_size * target_aspect_ratio[1]
blocks = target_aspect_ratio[0] * target_aspect_ratio[1]
# resize the image
resized_img = image.resize((target_width, target_height))
processed_images = []
for i in range(blocks):
box = (
(i % (target_width // image_size)) * image_size,
(i // (target_width // image_size)) * image_size,
((i % (target_width // image_size)) + 1) * image_size,
((i // (target_width // image_size)) + 1) * image_size
)
# split the image
split_img = resized_img.crop(box)
processed_images.append(split_img)
assert len(processed_images) == blocks
if use_thumbnail and len(processed_images) != 1:
thumbnail_img = image.resize((image_size, image_size))
processed_images.append(thumbnail_img)
return processed_images
def load_image(self, image_file, input_size=448, max_num=6):
if isinstance(image_file, str):
image = Image.open(image_file).convert('RGB')
else:
image = image_file
transform = self.build_transform(input_size=input_size)
images = self.dynamic_preprocess(image, image_size=input_size, use_thumbnail=True, max_num=max_num)
pixel_values = [transform(image) for image in images]
pixel_values = torch.stack(pixel_values)
return pixel_values
def get_caption(self, image, prompt, kwargs, use_local, mask):
if use_local:
image = get_region(image,
mask.convert('L'),
255)
if image is None:
return ""
torch.manual_seed(int(time.time()) % 100000)
generation_config = dict(
num_beams=1,
max_new_tokens=4096,
do_sample=True
)
image = self.load_image(image, max_num=6).to(torch.bfloat16).cuda(we.device_id)
response = self.model_info['model'].chat(self.model_info['tokenizer'], image, prompt, generation_config=generation_config)
response = response.replace("\n", "").strip()
return response
class CogVLM2Llama3Caption(BaseCaptionProcessor):
def __init__(self, cfg, language='en'):
super().__init__(cfg, language=language)
self.model_path = cfg.MODEL_PATH
self.model_info = {
'device': 'offline',
'model': None,
'tokenizer': None
}
self.prompt = cfg.PROMPT
self.temperature = cfg.TEMPERATURE
self.max_new_tokens = cfg.MAX_NEW_TOKENS
self.pad_token_id = cfg.PAD_TOKEN_ID
self.top_k = cfg.TOP_K
self.top_p = cfg.TOP_P
self.TORCH_TYPE = torch.bfloat16 if (torch.cuda.is_available() and
torch.cuda.get_device_capability()
[0] >= 8) else torch.float16
def load_model(self):
is_flg, msg = super().load_model()
if not is_flg:
return is_flg, msg
if self.model_info['device'] == 'offline':
model = None
try:
from transformers import AutoModelForCausalLM, AutoTokenizer
local_model_dir = FS.get_dir_to_local_dir(self.model_path)
tokenizer = AutoTokenizer.from_pretrained(
local_model_dir,
trust_remote_code=True,
)
model = AutoModelForCausalLM.from_pretrained(
local_model_dir,
device_map='auto',
torch_dtype=self.TORCH_TYPE,
trust_remote_code=True
).eval().to(we.device_id)
except Exception as e:
if model is not None:
del model
return False, f"Load model error '{e}'"
self.model_info['device'] = model.device
self.model_info['model'] = model
self.model_info['tokenizer'] = tokenizer
elif self.model_info['device'] == 'cpu':
try:
self.model_info['model'].to(we.device_id)
self.model_info['device'] = we.device_id
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
except Exception as e:
del self.model_info['model']
self.model_info['model'] = None
self.model_info['device'] = 'offline'
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
return False, f"Load model error '{e}'"
return True, ''
def unload_model(self):
super().unload_model()
if self.delete_instance:
self.model_info['device'] = 'offline'
if self.model_info['model'] is not None:
self.model_info['model'] = self.model_info['model'].to('cpu')
del self.model_info['model']
self.model_info['model'] = None
elif (isinstance(self.model_info['device'], numbers.Number)
or str(self.model_info['device']).startswith('cuda')):
self.model_info['device'] = 'cpu'
self.model_info['model'] = self.model_info['model'].to('cpu')
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
return True, ''
def load_video(self, video_data, strategy='chat'):
bridge.set_bridge('torch')
mp4_stream = video_data
num_frames = 24
decord_vr = VideoReader(io.BytesIO(mp4_stream), ctx=cpu(0))
frame_id_list = None
total_frames = len(decord_vr)
if strategy == 'base':
clip_end_sec = 60
clip_start_sec = 0
start_frame = int(clip_start_sec * decord_vr.get_avg_fps())
end_frame = min(total_frames,
int(clip_end_sec * decord_vr.get_avg_fps())) if clip_end_sec is not None else total_frames
frame_id_list = np.linspace(start_frame, end_frame - 1, num_frames, dtype=int)
elif strategy == 'chat':
timestamps = decord_vr.get_frame_timestamp(np.arange(total_frames))
timestamps = [i[0] for i in timestamps]
max_second = round(max(timestamps)) + 1
frame_id_list = []
for second in range(max_second):
closest_num = min(timestamps, key=lambda x: abs(x - second))
index = timestamps.index(closest_num)
frame_id_list.append(index)
if len(frame_id_list) >= num_frames:
break
video_data = decord_vr.get_batch(frame_id_list)
video_data = video_data.permute(3, 0, 1, 2)
return video_data
def get_caption(self, prompt, video_data, temperature):
strategy = 'chat'
video = self.load_video(video_data, strategy=strategy)
history = []
query = prompt
model = self.model_info['model']
tokenizer = self.model_info['tokenizer']
inputs = model.build_conversation_input_ids(
tokenizer=tokenizer,
query=query,
images=[video],
history=history,
template_version=strategy
)
inputs = {
'input_ids': inputs['input_ids'].unsqueeze(0).to('cuda'),
'token_type_ids': inputs['token_type_ids'].unsqueeze(0).to(we.device_id),
'attention_mask': inputs['attention_mask'].unsqueeze(0).to(we.device_id),
'images': [[inputs['images'][0].to(we.device_id).to(self.TORCH_TYPE)]],
}
gen_kwargs = {
"max_new_tokens": self.max_new_tokens,
"pad_token_id": self.pad_token_id,
"top_k": self.top_k,
"do_sample": True,
"top_p": self.top_p,
"temperature": temperature,
}
with torch.no_grad():
outputs = model.generate(**inputs, **gen_kwargs)
outputs = outputs[:, inputs['input_ids'].shape[1]:]
response = tokenizer.decode(outputs[0], skip_special_tokens=True)
return response
def __call__(self, *args, **kwargs):
video_path = kwargs.pop('video_path', None)
with open(video_path, 'rb') as f:
video_data = f.read()
response = (self.get_caption(self.prompt, video_data, self.temperature))
return response
class OpusMtZhEn(BaseCaptionProcessor):
def __init__(self, cfg, language='en'):
super().__init__(cfg, language=language)
self.model_path = cfg.MODEL_PATH
self.model_info = {
'device': 'offline',
'model': None,
'tokenizer': None
}
def load_model(self):
is_flg, msg = super().load_model()
if not is_flg:
return is_flg, msg
if self.model_info['device'] == 'offline':
model = None
try:
from transformers import MarianMTModel, AutoTokenizer
local_model_dir = FS.get_dir_to_local_dir(self.model_path)
tokenizer = AutoTokenizer.from_pretrained(
local_model_dir
)
model = MarianMTModel.from_pretrained(
local_model_dir
).to(we.device_id)
except Exception as e:
if model is not None:
del model
return False, f"Load model error '{e}'"
self.model_info['device'] = model.device
self.model_info['model'] = model
self.model_info['tokenizer'] = tokenizer
elif self.model_info['device'] == 'cpu':
try:
self.model_info['model'].to(we.device_id)
self.model_info['device'] = we.device_id
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
except Exception as e:
del self.model_info['model']
self.model_info['model'] = None
self.model_info['device'] = 'offline'
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
return False, f"Load model error '{e}'"
return True, ''
def unload_model(self):
super().unload_model()
if self.delete_instance:
self.model_info['device'] = 'offline'
if self.model_info['model'] is not None:
self.model_info['model'] = self.model_info['model'].to('cpu')
del self.model_info['model']
self.model_info['model'] = None
elif (isinstance(self.model_info['device'], numbers.Number)
or str(self.model_info['device']).startswith('cuda')):
self.model_info['device'] = 'cpu'
self.model_info['model'] = self.model_info['model'].to('cpu')
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
return True, ''
def get_caption(self, data):
model = self.model_info['model']
tokenizer = self.model_info['tokenizer']
batch = tokenizer(data, return_tensors="pt").to(we.device_id)
generated_ids = model.generate(**batch)
translated_text = tokenizer.batch_decode(generated_ids, skip_special_tokens=True)[0]
return translated_text
def __call__(self, *args, **kwargs):
caption = kwargs.pop('caption', None)
response = (self.get_caption(caption))
return response
class OpusMtEnZh(BaseCaptionProcessor):
def __init__(self, cfg, language='en'):
super().__init__(cfg, language=language)
self.model_path = cfg.MODEL_PATH
self.model_info = {
'device': 'offline',
'model': None,
'tokenizer': None
}
def load_model(self):
is_flg, msg = super().load_model()
if not is_flg:
return is_flg, msg
if self.model_info['device'] == 'offline':
model = None
try:
from transformers import MarianMTModel, AutoTokenizer
local_model_dir = FS.get_dir_to_local_dir(self.model_path)
tokenizer = AutoTokenizer.from_pretrained(
local_model_dir
)
model = MarianMTModel.from_pretrained(
local_model_dir
).to(we.device_id)
except Exception as e:
if model is not None:
del model
return False, f"Load model error '{e}'"
self.model_info['device'] = model.device
self.model_info['model'] = model
self.model_info['tokenizer'] = tokenizer
elif self.model_info['device'] == 'cpu':
try:
self.model_info['model'].to(we.device_id)
self.model_info['device'] = we.device_id
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
except Exception as e:
del self.model_info['model']
self.model_info['model'] = None
self.model_info['device'] = 'offline'
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
return False, f"Load model error '{e}'"
return True, ''
def unload_model(self):
super().unload_model()
if self.delete_instance:
self.model_info['device'] = 'offline'
if self.model_info['model'] is not None:
self.model_info['model'] = self.model_info['model'].to('cpu')
del self.model_info['model']
self.model_info['model'] = None
elif (isinstance(self.model_info['device'], numbers.Number)
or str(self.model_info['device']).startswith('cuda')):
self.model_info['device'] = 'cpu'
self.model_info['model'] = self.model_info['model'].to('cpu')
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
return True, ''
def get_caption(self, data):
model = self.model_info['model']
tokenizer = self.model_info['tokenizer']
batch = tokenizer(data, return_tensors="pt").to(we.device_id)
generated_ids = model.generate(**batch)
translated_text = tokenizer.batch_decode(generated_ids, skip_special_tokens=True)[0]
return translated_text
def __call__(self, *args, **kwargs):
caption = kwargs.pop('caption', None)
response = (self.get_caption(caption))
return response