fromage / app.py
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import tempfile
from share_btn import community_icon_html, loading_icon_html, share_js, save_js
import huggingface_hub
import gradio as gr
from fromage import utils
from fromage import models
import matplotlib.pyplot as plt
from PIL import Image
import torch
import numpy as np
import os
os.environ["HF_HUB_ENABLE_HF_TRANSFER"] = "False"
css = """
#chatbot { min-height: 300px; }
#save-btn {
background-image: linear-gradient(to right bottom, rgba(130,217,244, 0.9), rgba(158,231,214, 1.0));
}
#save-btn:hover {
background-image: linear-gradient(to right bottom, rgba(110,197,224, 0.9), rgba(138,211,194, 1.0));
}
#share-btn {
background-image: linear-gradient(to right bottom, rgba(130,217,244, 0.9), rgba(158,231,214, 1.0));
}
#share-btn:hover {
background-image: linear-gradient(to right bottom, rgba(110,197,224, 0.9), rgba(138,211,194, 1.0));
}
#gallery { z-index: 999999; }
#gallery img:hover {transform: scale(2.3); z-index: 999999; position: relative; padding-right: 30%; padding-bottom: 30%;}
#gallery button img:hover {transform: none; z-index: 999999; position: relative; padding-right: 0; padding-bottom: 0;}
@media (hover: none) {
#gallery img:hover {transform: none; z-index: 999999; position: relative; padding-right: 0; 0;}
}
"""
examples = [
'examples/sparrow.png',
'examples/beaver.png',
'examples/couch.png',
'examples/guac.png',
'examples/scraped_knee.png'
]
# Download model from HF Hub.
ckpt_path = huggingface_hub.hf_hub_download(
repo_id='jykoh/fromage', filename='pretrained_ckpt.pth.tar')
args_path = huggingface_hub.hf_hub_download(
repo_id='jykoh/fromage', filename='model_args.json')
model = models.load_fromage('./', args_path, ckpt_path)
def upload_image(state, image_input):
conversation = state[0]
chat_history = state[1]
input_image = Image.open(image_input.name).resize(
(224, 224)).convert('RGB')
input_image.save(image_input.name) # Overwrite with smaller image.
conversation += [(f'<img src="/file={image_input.name}" style="display: inline-block;">', "")]
return [conversation, chat_history + [input_image, ""]], conversation
def reset():
return [[], []], []
def reset_last(state):
conversation = state[0][:-1]
chat_history = state[1][:-2]
return [conversation, chat_history], conversation
def save_image_to_local(image: Image.Image):
# TODO(jykoh): Update so the url path is used, to prevent repeat saving.
filename = next(tempfile._get_candidate_names()) + '.png'
image.save(filename)
return filename
def generate_for_prompt(input_text, state, ret_scale_factor, max_num_rets, num_words, temperature):
# Ignore empty inputs.
if len(input_text) == 0:
return state, state[0], gr.update(visible=True)
input_prompt = 'Q: ' + input_text + '\nA:'
conversation = state[0]
chat_history = state[1]
print('Generating for', chat_history, flush=True)
# If an image was uploaded, prepend it to the model.
model_inputs = chat_history
model_inputs.append(input_prompt)
top_p = 1.0
if temperature != 0.0:
top_p = 0.95
print('Running model.generate_for_images_and_texts with',
model_inputs, flush=True)
model_outputs = model.generate_for_images_and_texts(model_inputs,
num_words=max(num_words, 1), ret_scale_factor=ret_scale_factor, top_p=top_p,
temperature=temperature, max_num_rets=max_num_rets)
print('model_outputs', model_outputs, ret_scale_factor, flush=True)
im_names = []
response = ''
text_outputs = []
for output_i, output in enumerate(model_outputs):
if type(output) == str:
if output_i > 0:
response += '<br/>'
text_outputs.append(output)
response += output
if len(model_outputs) > 1:
response += '<br/>'
elif type(output) == list:
for image in output:
filename = save_image_to_local(image)
response += f'<img src="/file={filename}" style="display: inline-block;">'
elif type(output) == Image.Image:
filename = save_image_to_local(output)
response += f'<img src="/file={filename}" style="display: inline-block;">'
chat_history = model_inputs + \
[' '.join([s for s in model_outputs if type(s) == str]) + '\n']
# Remove [RET] from outputs.
conversation.append((input_text, response.replace('[RET]', '')))
# Set input image to None.
print('state', state, flush=True)
print('updated state', [conversation, chat_history], flush=True)
return [conversation, chat_history], conversation, gr.update(visible=True), gr.update(visible=True)
with gr.Blocks(css=css) as demo:
gr.HTML("""
<h1>🧀 FROMAGe</h1>
<p>This is the official Gradio demo for the FROMAGe model, a model that can process arbitrarily interleaved image and text inputs, and produce image and text outputs.</p>
<strong>Paper:</strong> <a href="https://arxiv.org/abs/2301.13823" target="_blank">Grounding Language Models to Images for Multimodal Generation</a>
<br/>
<strong>Project Website:</strong> <a href="https://jykoh.com/fromage" target="_blank">FROMAGe Website</a>
<br/>
<strong>Code and Models:</strong> <a href="https://github.com/kohjingyu/fromage" target="_blank">GitHub</a>
<br/>
<br/>
<strong>Tips:</strong>
<ul>
<li>Start by inputting either image or text prompts (or both) and chat with FROMAGe to get image-and-text replies.</li>
<li>Tweak the level of sensitivity to images and text using the parameters on the right.</li>
<li>FROMAGe <i>retrieves</i> images from a database, and doesn't generate novel images, and will not be able to return images outside those in Conceptual Captions.</li>
<li>Check out cool conversations in the examples or community tab for inspiration and share your own!</li>
<li>For faster inference without waiting in queue, you may duplicate the space and use your own GPU: <a href="https://huggingface.co/spaces/jykoh/fromage?duplicate=true"><img style="display: inline-block; margin-top: 0em; margin-bottom: 0em" src="https://img.shields.io/badge/-Duplicate%20Space-blue?labelColor=white&style=flat&logo=data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAP5JREFUOE+lk7FqAkEURY+ltunEgFXS2sZGIbXfEPdLlnxJyDdYB62sbbUKpLbVNhyYFzbrrA74YJlh9r079973psed0cvUD4A+4HoCjsA85X0Dfn/RBLBgBDxnQPfAEJgBY+A9gALA4tcbamSzS4xq4FOQAJgCDwV2CPKV8tZAJcAjMMkUe1vX+U+SMhfAJEHasQIWmXNN3abzDwHUrgcRGmYcgKe0bxrblHEB4E/pndMazNpSZGcsZdBlYJcEL9Afo75molJyM2FxmPgmgPqlWNLGfwZGG6UiyEvLzHYDmoPkDDiNm9JR9uboiONcBXrpY1qmgs21x1QwyZcpvxt9NS09PlsPAAAAAElFTkSuQmCC&logoWidth=14" alt="Duplicate Space"></a></li>
</ul>
""")
gr_state = gr.State([[], []]) # conversation, chat_history
with gr.Row():
with gr.Column(scale=0.7, min_width=500):
with gr.Row():
chatbot = gr.Chatbot(elem_id="chatbot", label="🧀 FROMAGe Chatbot")
with gr.Row():
image_btn = gr.UploadButton("🖼️ Upload Image", file_types=["image"])
text_input = gr.Textbox(label="Message", placeholder="Type a message")
with gr.Column():
submit_btn = gr.Button(
"Submit", interactive=True, variant="primary")
clear_last_btn = gr.Button("Undo")
clear_btn = gr.Button("Reset All")
with gr.Row(visible=False) as save_group:
save_button = gr.Button("💾 Save Conversation as .png", elem_id="save-btn")
with gr.Row(visible=False) as share_group:
share_button = gr.Button("🤗 Share to Community (opens new window)", elem_id="share-btn")
with gr.Column(scale=0.3, min_width=400):
ret_scale_factor = gr.Slider(minimum=0.0, maximum=3.0, value=1.0, step=0.1, interactive=True,
label="Frequency multiplier for returning images (higher means more frequent)")
max_ret_images = gr.Number(
minimum=0, maximum=3, value=2, precision=1, interactive=True, label="Max images to return")
gr_max_len = gr.Slider(minimum=1, maximum=64, value=32,
step=1, interactive=True, label="Max # of words")
gr_temperature = gr.Slider(
minimum=0.0, maximum=1.0, value=0.0, interactive=True, label="Temperature (0 for deterministic, higher for more randomness)")
gallery = gr.Gallery(
value=[Image.open(e) for e in examples], label="Example Conversations", show_label=True, elem_id="gallery",
).style(grid=[2], height="auto")
text_input.submit(generate_for_prompt, [text_input, gr_state, ret_scale_factor,
max_ret_images, gr_max_len, gr_temperature], [gr_state, chatbot, share_group, save_group])
text_input.submit(lambda: "", None, text_input) # Reset chatbox.
submit_btn.click(generate_for_prompt, [text_input, gr_state, ret_scale_factor,
max_ret_images, gr_max_len, gr_temperature], [gr_state, chatbot, share_group, save_group])
submit_btn.click(lambda: "", None, text_input) # Reset chatbox.
image_btn.upload(upload_image, [gr_state, image_btn], [gr_state, chatbot])
clear_last_btn.click(reset_last, [gr_state], [gr_state, chatbot])
clear_btn.click(reset, [], [gr_state, chatbot])
share_button.click(None, [], [], _js=share_js)
save_button.click(None, [], [], _js=save_js)
demo.queue(concurrency_count=1, api_open=False, max_size=16)
demo.launch(debug=True, server_name="0.0.0.0")
# demo.launch(debug=True, server_name="127.0.0.1")