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script.py
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# SPDX-License-Identifier: AGPL-3.0-or-later
# Copyright (C) 2023 Philipp Emanuel Weidmann <pew@worldwidemann.com>
import html
from enum import Enum
from random import shuffle
import gradio as gr
from modules import shared
from modules.ui import create_refresh_button, gather_interface_values
from modules.chat import start_new_chat, generate_chat_reply
from modules.utils import gradio, get_available_presets
from modules.presets import load_preset
params = {
"display_name": "Chatbot Clinic",
"is_tab": True,
# Configurable parameters
"max_bots": 10,
"enabled_bots": 3,
"user_name": "You",
"bot_name": "Bot",
"greeting": "Hello, my friend. What can I do for you?",
"bot_identifier_prefix": "Bot",
"bot_context": (
"The bot is a personal assistant and answers all questions, and fulfills all"
" requests, to the best of its ability."
),
}
class Step(Enum):
IDLE = 1
WAITING_FOR_MESSAGE = 2
GENERATING = 3
WAITING_FOR_VOTE = 4
class Bot:
def __init__(self, identifier, context, parameters):
self.identifier = identifier
self.context = context
self.parameters = parameters
self.votes = 0
class State:
def __init__(self):
self.step = Step.IDLE
self.bots = []
# Adapted from https://github.com/AUTOMATIC1111/stable-diffusion-webui/blob/4afaaf8a020c1df457bcf7250cb1c7f609699fa7/modules/ui_components.py#L88
#
# Extensive modifications were necessary because for reasons I don't understand,
# the `Checkbox` constructor ignores its arguments. Why the original code works in
# stable-diffusion-webui is a mystery to me.
class InputAccordion(gr.Checkbox):
def __init__(self, value, **kwargs):
kwargs_checkbox = {
**kwargs,
"visible": False,
}
super().__init__(value, **kwargs_checkbox)
kwargs_accordion = {
**kwargs,
"open": value,
"label": kwargs.get("label", "Accordion"),
"elem_classes": ["chatbot-clinic-input-accordion"],
}
self.accordion = gr.Accordion(**kwargs_accordion)
def __enter__(self):
self.accordion.__enter__()
return self
def __exit__(self, exc_type, exc_val, exc_tb):
self.accordion.__exit__(exc_type, exc_val, exc_tb)
def get_block_name(self):
return "checkbox"
def custom_js():
return """
// Adapted from https://github.com/AUTOMATIC1111/stable-diffusion-webui/blob/4afaaf8a020c1df457bcf7250cb1c7f609699fa7/javascript/ui.js#L315
function updateInput(target) {
const event = new Event("input", {bubbles: true});
Object.defineProperty(event, "target", {value: target});
target.dispatchEvent(event);
}
// Adapted from https://github.com/AUTOMATIC1111/stable-diffusion-webui/blob/4afaaf8a020c1df457bcf7250cb1c7f609699fa7/javascript/inputAccordion.js
const observerAccordionOpen = new MutationObserver(mutations => {
for (const mutationRecord of mutations) {
const labelWrap = mutationRecord.target;
const accordion = labelWrap.parentNode;
const checkbox = accordion.previousElementSibling.querySelector("input");
checkbox.checked = labelWrap.classList.contains("open");
updateInput(checkbox);
}
});
for (const accordion of document.querySelectorAll(".chatbot-clinic-input-accordion")) {
const labelWrap = accordion.querySelector(".label-wrap");
observerAccordionOpen.observe(labelWrap, {attributes: true, attributeFilter: ["class"]});
}
"""
focus_message_textbox_js = """
function focusMessageTextbox() {
setTimeout(() => {
document.querySelector("#chatbot-clinic-message textarea").focus();
}, 1000);
}
"""
scroll_chat_js = """
function scrollChat() {
element = document.querySelector("#chatbot-clinic-chat .bubble-wrap");
element.scrollTop = element.scrollHeight;
}
"""
about_markdown = """
# Chatbot Clinic
Science-driven chatbot development.
**Repository:** https://github.com/p-e-w/chatbot_clinic
**Issue tracker:** https://github.com/p-e-w/chatbot_clinic/issues
## License
Copyright © 2023 Philipp Emanuel Weidmann (<pew@worldwidemann.com>)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
def ui():
state = gr.State()
with gr.Tab("Common configuration"):
gr.Markdown(
"These settings must be the same for all chatbots in order to keep the"
" prompt logically consistent. When you are satisfied with their values,"
" proceed to the next tab to configure the individual bots."
)
user_name = gr.Textbox(
params["user_name"],
label="Your name",
info="The name that is used to identify the user in the prompt.",
)
bot_name = gr.Textbox(
params["bot_name"],
label="Chatbot name",
info="The name that is used to identify the chatbot in the prompt.",
)
greeting = gr.Textbox(
params["greeting"],
label="Greeting",
info=(
"The initial message sent by the chatbot to set the stage for the"
" conversation."
),
lines=10,
)
with gr.Tab("Chatbot configuration"):
gr.Markdown(
"Configure as many chatbots as you like (up to a limit controlled by the"
" `max_bots` global setting). When you are done, proceed to the next tab to"
" start the chat."
)
bot_enabled = []
bot_identifier = []
bot_context = []
bot_preset = []
for i in range(params["max_bots"]):
with InputAccordion(
i < params["enabled_bots"], label=f"Chatbot {i+1}"
) as bot_enabled_i:
bot_enabled.append(bot_enabled_i)
bot_identifier.append(
gr.Textbox(
f"{params['bot_identifier_prefix']} {i+1}",
label="Identifier",
info=(
"The name that is used to identify the chatbot in the user"
" interface. To set the name that is used to identify the"
' chatbot in the prompt, go to the "Common configuration"'
" tab."
),
)
)
bot_context.append(
gr.Textbox(
params["bot_context"],
label="Context",
info=(
"The persistent context for the chatbot, prepended to the"
" truncated chat history in the prompt. Commonly used to"
' control the "personality" of the bot.'
),
lines=10,
)
)
with gr.Row():
bot_preset.append(
gr.Dropdown(
choices=get_available_presets(),
value=shared.settings["preset"],
label="Generation parameters",
info=(
"The set of parameter values controlling the behavior"
" of the language model during text generation. To add"
' or edit parameter presets, go to the "Parameters" tab'
" in the main UI."
),
)
)
create_refresh_button(
bot_preset[-1],
lambda: None,
lambda: {"choices": get_available_presets()},
"refresh-button",
interactive=not shared.args.multi_user,
)
with gr.Tab("Chat", elem_id="chatbot-clinic-chat-tab"):
with gr.Row():
with gr.Column(scale=5):
gr.Markdown(
"Click the button to start/stop the chat. Switch to the"
' "Statistics" tab at any time to see an analysis of the data'
' collected so far. Note that <span style="color:'
' yellow;">configuration changes have no effect while a chat is'
" running.</span> You must stop and restart the chat to apply them."
' Note also that <span style="color: red;">stopping a chat deletes'
" all messages and statistics.</span> They are not saved to disk"
" and must be manually copied if they are needed later."
)
with gr.Column(scale=1, min_width=100):
start_chat = gr.Button("Start chat", variant="primary")
stop_chat = gr.Button("Stop chat", variant="stop", visible=False)
chatbot = gr.Chatbot(
show_label=False, visible=False, elem_id="chatbot-clinic-chat"
)
with gr.Row():
with gr.Column(scale=10):
message = gr.Textbox(
placeholder="Message",
show_label=False,
container=False,
visible=False,
elem_id="chatbot-clinic-message",
)
with gr.Column(scale=1, min_width=60):
send = gr.Button("Send", variant="primary", visible=False)
with gr.Tab("Statistics"):
no_statistics = gr.Markdown(
"No preference statistics have been collected yet. To see statistics, start"
" a chat and vote on at least one set of bot replies."
)
warning = gr.Markdown(
'<span style="color: yellow;">Careful when interpreting these'
" numbers:</span> The percentage of times a specific bot was preferred is"
" **not** the same thing as, or even an approximation of, the likelihood"
" that it is the best bot, in some rigorous sense. Calculating that"
" likelihood is a very complex task that requires making several"
" (potentially false) assumptions about the underlying probability"
' distributions.\n\nA good practical approach to finding the "best bot" is'
" to go through a number of message/response cycles and keep watching these"
" statistics. When the ranking remains stable over several consecutive"
" messages, there is a good chance that the best bot has been identified.",
visible=False,
)
ranking_title = gr.Markdown("## Ranking", visible=False)
ranking = gr.Label(
show_label=False,
container=False,
visible=False,
elem_id="chatbot-clinic-ranking",
)
table_title = gr.Markdown("## Raw data", visible=False)
table = gr.Dataframe(
headers=["Identifier", "Votes", "Vote percentage"],
datatype=["str", "number", "number"],
visible=False,
)
with gr.Tab("About"):
gr.Markdown(about_markdown)
def process_history(history):
return [[user if user else None, bot] for user, bot in history["visible"]]
def initialize_state(*args):
new_state = State()
new_state.interface_values = gather_interface_values(*args)
return new_state
def do_start_chat(data):
new_state = data[state]
new_state.step = Step.WAITING_FOR_MESSAGE
new_state.interface_values["name1"] = data[user_name]
new_state.interface_values["name2"] = data[bot_name]
new_state.interface_values["greeting"] = data[greeting]
new_state.interface_values["history"] = start_new_chat(
new_state.interface_values
)
for enabled, identifier, context, preset in zip(
bot_enabled, bot_identifier, bot_context, bot_preset
):
if data[enabled]:
new_state.bots.append(
Bot(data[identifier], data[context], load_preset(data[preset]))
)
new_state.bot_order = list(range(len(new_state.bots)))
return {
state: new_state,
start_chat: gr.update(visible=False),
stop_chat: gr.update(visible=True),
chatbot: gr.update(
value=process_history(new_state.interface_values["history"]),
visible=True,
elem_classes=[],
),
message: gr.update(value="", interactive=True, visible=True),
send: gr.update(interactive=True, visible=True),
}
def do_stop_chat():
return {
start_chat: gr.update(visible=True),
stop_chat: gr.update(visible=False),
chatbot: gr.update(visible=False),
message: gr.update(visible=False),
send: gr.update(visible=False),
no_statistics: gr.update(visible=True),
warning: gr.update(visible=False),
ranking_title: gr.update(visible=False),
ranking: gr.update(visible=False),
table_title: gr.update(visible=False),
table: gr.update(visible=False),
}
def do_send(data):
new_state = data[state]
new_state.step = Step.GENERATING
yield {
state: new_state,
message: gr.update(value="", interactive=False),
send: gr.update(interactive=False),
}
shuffle(new_state.bot_order)
visible_history = process_history(new_state.interface_values["history"])
for reply_count, bot_index in enumerate(new_state.bot_order, start=1):
bot = new_state.bots[bot_index]
new_state.interface_values["context"] = bot.context
new_state.interface_values.update(bot.parameters)
visible_history.append([None, None])
for history in generate_chat_reply(
data[message], new_state.interface_values
):
user_message, bot_message = history["visible"][-1]
if reply_count == 1 and user_message:
visible_history[-1][0] = user_message
visible_history[-1][1] = bot_message
yield {
chatbot: gr.update(
value=visible_history,
elem_classes=[
"chatbot-clinic-generating",
f"chatbot-clinic-replies-{reply_count}",
],
),
}
bot.reply = {
"visible": history["visible"][-1],
"internal": history["internal"][-1],
}
new_state.step = Step.WAITING_FOR_VOTE
yield {
state: new_state,
chatbot: gr.update(
elem_classes=[
"chatbot-clinic-waiting-for-vote",
f"chatbot-clinic-replies-{reply_count}",
]
),
}
def do_select(event: gr.SelectData, data):
new_state = data[state]
history = new_state.interface_values["history"]
index, sender = event.index
if (
new_state.step == Step.WAITING_FOR_VOTE
and sender == 1
and index >= len(history["visible"])
):
bot_index = index - len(history["visible"])
bot = new_state.bots[new_state.bot_order[bot_index]]
new_state.step = Step.WAITING_FOR_MESSAGE
user_message, bot_message = bot.reply["visible"]
history["visible"].append([
user_message,
(
"<div"
f' class="chatbot-clinic-bot-identifier">{html.escape(bot.identifier)}</div>'
f" {bot_message}"
),
])
history["internal"].append(bot.reply["internal"])
bot.votes += 1
total_votes = sum([bot.votes for bot in new_state.bots])
ranking_data = {
bot.identifier: bot.votes / total_votes for bot in new_state.bots
}
table_data = [
[bot.identifier, bot.votes, round(bot.votes / total_votes * 100)]
for bot in new_state.bots
]
return {
state: new_state,
chatbot: gr.update(value=process_history(history), elem_classes=[]),
message: gr.update(interactive=True),
send: gr.update(interactive=True),
no_statistics: gr.update(visible=False),
warning: gr.update(visible=True),
ranking_title: gr.update(visible=True),
ranking: gr.update(value=ranking_data, visible=True),
table_title: gr.update(visible=True),
table: gr.update(value=table_data, visible=True),
}
return {
state: new_state,
}
start_chat.click(
initialize_state,
inputs=gradio(shared.input_elements),
outputs=state,
show_progress="hidden",
).then(
do_start_chat,
inputs={
state,
user_name,
bot_name,
greeting,
*bot_enabled,
*bot_identifier,
*bot_context,
*bot_preset,
},
outputs=[state, start_chat, stop_chat, chatbot, message, send],
show_progress="hidden",
).then(
None, _js=focus_message_textbox_js, show_progress="hidden"
)
stop_chat.click(
do_stop_chat,
inputs=[],
outputs=[
start_chat,
stop_chat,
chatbot,
message,
send,
no_statistics,
warning,
ranking_title,
ranking,
table_title,
table,
],
show_progress="hidden",
)
for event in [message.submit, send.click]:
event(
do_send,
inputs={state, message},
outputs=[state, chatbot, message, send],
show_progress="hidden",
)
chatbot.select(
do_select,
inputs={state},
outputs=[
state,
chatbot,
message,
send,
no_statistics,
warning,
ranking_title,
ranking,
table_title,
table,
],
show_progress="hidden",
).then(None, _js=focus_message_textbox_js, show_progress="hidden")
chatbot.change(None, _js=scroll_chat_js, show_progress="hidden")
def custom_css():
# The purpose of this CSS sorcery is to display instructions inside
# the chatbot component, even though the component doesn't support
# such custom elements. Dynamically added classes (see Python code above)
# are used to orchestrate this system.
generated_css = f"""
{", ".join([
f".chatbot-clinic-replies-{i+1} .bot-row:nth-last-child({i+1})"
for i in range(params["max_bots"])
])} {{
display: block !important;
}}
{", ".join([
f".chatbot-clinic-replies-{i+1} .bot-row:nth-last-child(-n+{i})"
for i in range(1, params["max_bots"])
])} {{
display: block !important;
margin-top: -1em;
}}
{", ".join([
f".chatbot-clinic-replies-{i+1} .bot-row:nth-last-child({i+1})::before"
for i in range(params["max_bots"])
])} {{
content: 'These are the replies generated by the configured chatbots, in random order:';
color: khaki;
display: block;
margin-bottom: 1em;
}}
"""
return """
.chatbot-clinic-input-accordion .label-wrap.open > :first-child::after {
content: 'Enabled';
color: lime;
font-weight: bold;
font-size: smaller;
margin-left: 1em;
}
#chatbot-clinic-chat-tab .generating {
display: none !important;
}
#chatbot-clinic-chat {
height: calc(100dvh - 300px) !important;
}
/*
Workaround for a strange Gradio bug that inserts a blank user message
at the start of the chat while the component is being updated.
*/
#chatbot-clinic-chat .user-row:first-child {
display: none;
}
.chatbot-clinic-bot-identifier {
color: aqua;
font-weight: bold;
}
#chatbot-clinic-ranking h2 {
display: none;
}
.chatbot-clinic-waiting-for-vote .bot-row:last-child::after {
content: 'To proceed, click on the reply you like best.';
color: lightgreen;
display: block;
margin-top: 1em;
}
""" + generated_css