test / app.py
Sabareeshr's picture
Rename app(1).py to app.py
6cc2dc1
raw
history blame
14.5 kB
import argparse
import hashlib
import json
import os
import time
from threading import Thread
import gradio as gr
import torch
from llava.constants import (DEFAULT_IM_END_TOKEN, DEFAULT_IM_START_TOKEN,
DEFAULT_IMAGE_TOKEN, IMAGE_TOKEN_INDEX)
from llava.conversation import (SeparatorStyle, conv_templates,
default_conversation)
from llava.mm_utils import (KeywordsStoppingCriteria, load_image_from_base64,
process_images, tokenizer_image_token)
from llava.model.builder import load_pretrained_model
from transformers import TextIteratorStreamer
print(gr.__version__)
block_css = """
#buttons button {
min-width: min(120px,100%);
}
"""
title_markdown = ("""
# 🐬 ShareGPT4V: Improving Large Multi-modal Models with Better Captions
### πŸ”Š Notice: The demo of Share-Captioner will soon be supported. Stay tune for updates!
[[Project Page](https://sharegpt4v.github.io/)] [[Code](https://github.com/InternLM/InternLM-XComposer/tree/main/projects/ShareGPT4V)] | πŸ“š [[Paper](https://arxiv.org/pdf/2311.12793.pdf)]
""")
tos_markdown = ("""
### Terms of use
By using this service, users are required to agree to the following terms:
The service is a research preview intended for non-commercial use only. It only provides limited safety measures and may generate offensive content. It must not be used for any illegal, harmful, violent, racist, or sexual purposes.
For an optimal experience, please use desktop computers for this demo, as mobile devices may compromise its quality.
""")
learn_more_markdown = ("""
### License
The service is a research preview intended for non-commercial use only, subject to the model [License](https://github.com/facebookresearch/llama/blob/main/MODEL_CARD.md) of LLaMA, [Terms of Use](https://openai.com/policies/terms-of-use) of the data generated by OpenAI, and [Privacy Practices](https://chrome.google.com/webstore/detail/sharegpt-share-your-chatg/daiacboceoaocpibfodeljbdfacokfjb) of ShareGPT. Please contact us if you find any potential violation.
""")
ack_markdown = ("""
### Acknowledgement
The template for this web demo is from [LLaVA](https://github.com/haotian-liu/LLaVA), and we are very grateful to LLaVA for their open source contributions to the community!
""")
def regenerate(state, image_process_mode):
state.messages[-1][-1] = None
prev_human_msg = state.messages[-2]
if type(prev_human_msg[1]) in (tuple, list):
prev_human_msg[1] = (*prev_human_msg[1][:2], image_process_mode)
state.skip_next = False
return (state, state.to_gradio_chatbot(), "", None)
def clear_history():
state = default_conversation.copy()
return (state, state.to_gradio_chatbot(), "", None)
def add_text(state, text, image, image_process_mode):
if len(text) <= 0 and image is None:
state.skip_next = True
return (state, state.to_gradio_chatbot(), "", None)
text = text[:1536] # Hard cut-off
if image is not None:
text = text[:1200] # Hard cut-off for images
if '<image>' not in text:
# text = '<Image><image></Image>' + text
text = text + '\n<image>'
text = (text, image, image_process_mode)
if len(state.get_images(return_pil=True)) > 0:
state = default_conversation.copy()
state.append_message(state.roles[0], text)
state.append_message(state.roles[1], None)
state.skip_next = False
return (state, state.to_gradio_chatbot(), "", None)
def load_demo():
state = default_conversation.copy()
return state
@torch.inference_mode()
def get_response(params):
prompt = params["prompt"]
ori_prompt = prompt
images = params.get("images", None)
num_image_tokens = 0
if images is not None and len(images) > 0:
if len(images) > 0:
if len(images) != prompt.count(DEFAULT_IMAGE_TOKEN):
raise ValueError(
"Number of images does not match number of <image> tokens in prompt")
images = [load_image_from_base64(image) for image in images]
images = process_images(images, image_processor, model.config)
if type(images) is list:
images = [image.to(model.device, dtype=torch.float16)
for image in images]
else:
images = images.to(model.device, dtype=torch.float16)
replace_token = DEFAULT_IMAGE_TOKEN
if getattr(model.config, 'mm_use_im_start_end', False):
replace_token = DEFAULT_IM_START_TOKEN + replace_token + DEFAULT_IM_END_TOKEN
prompt = prompt.replace(DEFAULT_IMAGE_TOKEN, replace_token)
num_image_tokens = prompt.count(
replace_token) * model.get_vision_tower().num_patches
else:
images = None
image_args = {"images": images}
else:
images = None
image_args = {}
temperature = float(params.get("temperature", 1.0))
top_p = float(params.get("top_p", 1.0))
max_context_length = getattr(
model.config, 'max_position_embeddings', 2048)
max_new_tokens = min(int(params.get("max_new_tokens", 256)), 1024)
stop_str = params.get("stop", None)
do_sample = True if temperature > 0.001 else False
input_ids = tokenizer_image_token(
prompt, tokenizer, IMAGE_TOKEN_INDEX, return_tensors='pt').unsqueeze(0).to(model.device)
keywords = [stop_str]
stopping_criteria = KeywordsStoppingCriteria(
keywords, tokenizer, input_ids)
streamer = TextIteratorStreamer(
tokenizer, skip_prompt=True, skip_special_tokens=True, timeout=15)
max_new_tokens = min(max_new_tokens, max_context_length -
input_ids.shape[-1] - num_image_tokens)
if max_new_tokens < 1:
yield json.dumps({"text": ori_prompt + "Exceeds max token length. Please start a new conversation, thanks.", "error_code": 0}).encode() + b"\0"
return
# local inference
thread = Thread(target=model.generate, kwargs=dict(
inputs=input_ids,
do_sample=do_sample,
temperature=temperature,
top_p=top_p,
max_new_tokens=max_new_tokens,
streamer=streamer,
stopping_criteria=[stopping_criteria],
use_cache=True,
**image_args
))
thread.start()
generated_text = ori_prompt
for new_text in streamer:
generated_text += new_text
if generated_text.endswith(stop_str):
generated_text = generated_text[:-len(stop_str)]
yield json.dumps({"text": generated_text, "error_code": 0}).encode()
def http_bot(state, temperature, top_p, max_new_tokens):
if state.skip_next:
# This generate call is skipped due to invalid inputs
yield (state, state.to_gradio_chatbot())
return
if len(state.messages) == state.offset + 2:
# First round of conversation
if "llava" in model_name.lower():
if 'llama-2' in model_name.lower():
template_name = "llava_llama_2"
elif "v1" in model_name.lower():
if 'mmtag' in model_name.lower():
template_name = "v1_mmtag"
elif 'plain' in model_name.lower() and 'finetune' not in model_name.lower():
template_name = "v1_mmtag"
else:
template_name = "llava_v1"
elif "mpt" in model_name.lower():
template_name = "mpt"
else:
if 'mmtag' in model_name.lower():
template_name = "v0_mmtag"
elif 'plain' in model_name.lower() and 'finetune' not in model_name.lower():
template_name = "v0_mmtag"
else:
template_name = "llava_v0"
elif "mpt" in model_name:
template_name = "mpt_text"
elif "llama-2" in model_name:
template_name = "llama_2"
else:
template_name = "vicuna_v1"
new_state = conv_templates[template_name].copy()
new_state.append_message(new_state.roles[0], state.messages[-2][1])
new_state.append_message(new_state.roles[1], None)
state = new_state
# Construct prompt
prompt = state.get_prompt()
all_images = state.get_images(return_pil=True)
all_image_hash = [hashlib.md5(image.tobytes()).hexdigest()
for image in all_images]
# Make requests
pload = {
"model": model_name,
"prompt": prompt,
"temperature": float(temperature),
"top_p": float(top_p),
"max_new_tokens": min(int(max_new_tokens), 1536),
"stop": state.sep if state.sep_style in [SeparatorStyle.SINGLE, SeparatorStyle.MPT] else state.sep2,
"images": f'List of {len(state.get_images())} images: {all_image_hash}',
}
pload['images'] = state.get_images()
state.messages[-1][-1] = "β–Œ"
yield (state, state.to_gradio_chatbot())
# for stream
output = get_response(pload)
for chunk in output:
if chunk:
data = json.loads(chunk.decode())
if data["error_code"] == 0:
output = data["text"][len(prompt):].strip()
state.messages[-1][-1] = output + "β–Œ"
yield (state, state.to_gradio_chatbot())
else:
output = data["text"] + \
f" (error_code: {data['error_code']})"
state.messages[-1][-1] = output
yield (state, state.to_gradio_chatbot())
return
time.sleep(0.03)
state.messages[-1][-1] = state.messages[-1][-1][:-1]
yield (state, state.to_gradio_chatbot())
def build_demo():
textbox = gr.Textbox(
show_label=False, placeholder="Enter text and press ENTER", container=False)
with gr.Blocks(title="ShareGPT4V", theme=gr.themes.Default(), css=block_css) as demo:
state = gr.State()
gr.Markdown(title_markdown)
with gr.Row():
with gr.Column(scale=5):
with gr.Row(elem_id="Model ID"):
gr.Dropdown(
choices=['ShareGPT4V-7B'],
value='ShareGPT4V-7B',
interactive=True,
label='Model ID',
container=False)
imagebox = gr.Image(type="pil")
image_process_mode = gr.Radio(
["Crop", "Resize", "Pad", "Default"],
value="Default",
label="Preprocess for non-square image", visible=False)
cur_dir = os.path.dirname(os.path.abspath(__file__))
gr.Examples(examples=[
[f"{cur_dir}/examples/breaking_bad.png",
"What is the most common catchphrase of the character on the right?"],
[f"{cur_dir}/examples/photo.png",
"From a photography perspective, analyze what makes this picture beautiful?"],
], inputs=[imagebox, textbox])
with gr.Accordion("Parameters", open=False) as _:
temperature = gr.Slider(
minimum=0.0, maximum=1.0, value=0.2, step=0.1, interactive=True, label="Temperature",)
top_p = gr.Slider(
minimum=0.0, maximum=1.0, value=0.7, step=0.1, interactive=True, label="Top P",)
max_output_tokens = gr.Slider(
minimum=0, maximum=1024, value=512, step=64, interactive=True, label="Max output tokens",)
with gr.Column(scale=8):
chatbot = gr.Chatbot(
elem_id="chatbot", label="ShareGPT4V Chatbot", height=550)
with gr.Row():
with gr.Column(scale=8):
textbox.render()
with gr.Column(scale=1, min_width=50):
submit_btn = gr.Button(value="Send", variant="primary")
with gr.Row(elem_id="buttons") as _:
regenerate_btn = gr.Button(
value="πŸ”„ Regenerate", interactive=True)
clear_btn = gr.Button(value="πŸ—‘οΈ Clear", interactive=True)
gr.Markdown(tos_markdown)
gr.Markdown(learn_more_markdown)
gr.Markdown(ack_markdown)
regenerate_btn.click(
regenerate,
[state, image_process_mode],
[state, chatbot, textbox, imagebox],
queue=False
).then(
http_bot,
[state, temperature, top_p, max_output_tokens],
[state, chatbot]
)
clear_btn.click(
clear_history,
None,
[state, chatbot, textbox, imagebox],
queue=False
)
textbox.submit(
add_text,
[state, textbox, imagebox, image_process_mode],
[state, chatbot, textbox, imagebox],
queue=False
).then(
http_bot,
[state, temperature, top_p, max_output_tokens],
[state, chatbot]
)
submit_btn.click(
add_text,
[state, textbox, imagebox, image_process_mode],
[state, chatbot, textbox, imagebox],
queue=False
).then(
http_bot,
[state, temperature, top_p, max_output_tokens],
[state, chatbot]
)
demo.load(
load_demo,
None,
[state],
queue=False
)
return demo
def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument("--host", type=str, default="0.0.0.0")
parser.add_argument("--port", type=int, default=7860)
parser.add_argument("--share", default=True)
parser.add_argument("--model-path", type=str,
default="Lin-Chen/ShareGPT4V-7B")
parser.add_argument("--model-name", type=str,
default="llava-v1.5-7b")
args = parser.parse_args()
return args
if __name__ == '__main__':
args = parse_args()
model_name = args.model_name
tokenizer, model, image_processor, context_len = load_pretrained_model(
args.model_path, None, args.model_name, False, False)
demo = build_demo()
demo.queue()
demo.launch(server_name=args.host,
server_port=args.port,
share=args.share)