text-generation-webui/server.py
2023-11-10 06:39:08 -08:00

239 lines
8.5 KiB
Python

import os
import warnings
import modules.one_click_installer_check
from modules.block_requests import OpenMonkeyPatch, RequestBlocker
from modules.logging_colors import logger
os.environ['GRADIO_ANALYTICS_ENABLED'] = 'False'
os.environ['BITSANDBYTES_NOWELCOME'] = '1'
warnings.filterwarnings('ignore', category=UserWarning, message='TypedStorage is deprecated')
warnings.filterwarnings('ignore', category=UserWarning, message='Using the update method is deprecated')
warnings.filterwarnings('ignore', category=UserWarning, message='Field "model_name" has conflict')
with RequestBlocker():
import gradio as gr
import matplotlib
matplotlib.use('Agg') # This fixes LaTeX rendering on some systems
import json
import os
import sys
import time
from functools import partial
from pathlib import Path
from threading import Lock
import yaml
import modules.extensions as extensions_module
from modules import (
chat,
shared,
training,
ui,
ui_chat,
ui_default,
ui_file_saving,
ui_model_menu,
ui_notebook,
ui_parameters,
ui_session,
utils
)
from modules.extensions import apply_extensions
from modules.LoRA import add_lora_to_model
from modules.models import load_model
from modules.models_settings import (
get_fallback_settings,
get_model_metadata,
update_model_parameters
)
from modules.utils import gradio
def create_interface():
title = 'Text generation web UI'
# Password authentication
auth = []
if shared.args.gradio_auth:
auth.extend(x.strip() for x in shared.args.gradio_auth.strip('"').replace('\n', '').split(',') if x.strip())
if shared.args.gradio_auth_path:
with open(shared.args.gradio_auth_path, 'r', encoding="utf8") as file:
auth.extend(x.strip() for line in file for x in line.split(',') if x.strip())
auth = [tuple(cred.split(':')) for cred in auth]
# Import the extensions and execute their setup() functions
if shared.args.extensions is not None and len(shared.args.extensions) > 0:
extensions_module.load_extensions()
# Force some events to be triggered on page load
shared.persistent_interface_state.update({
'loader': shared.args.loader or 'Transformers',
'mode': shared.settings['mode'],
'character_menu': shared.args.character or shared.settings['character'],
'instruction_template': shared.settings['instruction_template'],
'prompt_menu-default': shared.settings['prompt-default'],
'prompt_menu-notebook': shared.settings['prompt-notebook'],
'filter_by_loader': shared.args.loader or 'All'
})
if Path("cache/pfp_character.png").exists():
Path("cache/pfp_character.png").unlink()
# css/js strings
css = ui.css
js = ui.js
css += apply_extensions('css')
js += apply_extensions('js')
# Interface state elements
shared.input_elements = ui.list_interface_input_elements()
with gr.Blocks(css=css, analytics_enabled=False, title=title, theme=ui.theme) as shared.gradio['interface']:
# Interface state
shared.gradio['interface_state'] = gr.State({k: None for k in shared.input_elements})
# Audio notification
if Path("notification.mp3").exists():
shared.gradio['audio_notification'] = gr.Audio(interactive=False, value="notification.mp3", elem_id="audio_notification", visible=False)
# Floating menus for saving/deleting files
ui_file_saving.create_ui()
# Temporary clipboard for saving files
shared.gradio['temporary_text'] = gr.Textbox(visible=False)
# Text Generation tab
ui_chat.create_ui()
ui_default.create_ui()
ui_notebook.create_ui()
ui_parameters.create_ui(shared.settings['preset']) # Parameters tab
ui_model_menu.create_ui() # Model tab
training.create_ui() # Training tab
ui_session.create_ui() # Session tab
# Generation events
ui_chat.create_event_handlers()
ui_default.create_event_handlers()
ui_notebook.create_event_handlers()
# Other events
ui_file_saving.create_event_handlers()
ui_parameters.create_event_handlers()
ui_model_menu.create_event_handlers()
# Interface launch events
if shared.settings['dark_theme']:
shared.gradio['interface'].load(lambda: None, None, None, _js="() => document.getElementsByTagName('body')[0].classList.add('dark')")
shared.gradio['interface'].load(lambda: None, None, None, _js=f"() => {{{js}}}")
shared.gradio['interface'].load(None, gradio('show_controls'), None, _js=f'(x) => {{{ui.show_controls_js}; toggle_controls(x)}}')
shared.gradio['interface'].load(partial(ui.apply_interface_values, {}, use_persistent=True), None, gradio(ui.list_interface_input_elements()), show_progress=False)
shared.gradio['interface'].load(chat.redraw_html, gradio(ui_chat.reload_arr), gradio('display'))
extensions_module.create_extensions_tabs() # Extensions tabs
extensions_module.create_extensions_block() # Extensions block
# Launch the interface
shared.gradio['interface'].queue(concurrency_count=64)
with OpenMonkeyPatch():
shared.gradio['interface'].launch(
prevent_thread_lock=True,
share=shared.args.share,
server_name=None if not shared.args.listen else (shared.args.listen_host or '0.0.0.0'),
server_port=shared.args.listen_port,
inbrowser=shared.args.auto_launch,
auth=auth or None,
ssl_verify=False if (shared.args.ssl_keyfile or shared.args.ssl_certfile) else True,
ssl_keyfile=shared.args.ssl_keyfile,
ssl_certfile=shared.args.ssl_certfile
)
if __name__ == "__main__":
# Load custom settings
settings_file = None
if shared.args.settings is not None and Path(shared.args.settings).exists():
settings_file = Path(shared.args.settings)
elif Path('settings.yaml').exists():
settings_file = Path('settings.yaml')
elif Path('settings.json').exists():
settings_file = Path('settings.json')
if settings_file is not None:
logger.info(f"Loading settings from {settings_file}...")
file_contents = open(settings_file, 'r', encoding='utf-8').read()
new_settings = json.loads(file_contents) if settings_file.suffix == "json" else yaml.safe_load(file_contents)
shared.settings.update(new_settings)
# Fallback settings for models
shared.model_config['.*'] = get_fallback_settings()
shared.model_config.move_to_end('.*', last=False) # Move to the beginning
# Activate the extensions listed on settings.yaml
extensions_module.available_extensions = utils.get_available_extensions()
for extension in shared.settings['default_extensions']:
shared.args.extensions = shared.args.extensions or []
if extension not in shared.args.extensions:
shared.args.extensions.append(extension)
available_models = utils.get_available_models()
# Model defined through --model
if shared.args.model is not None:
shared.model_name = shared.args.model
# Select the model from a command-line menu
elif shared.args.model_menu:
if len(available_models) == 0:
logger.error('No models are available! Please download at least one.')
sys.exit(0)
else:
print('The following models are available:\n')
for i, model in enumerate(available_models):
print(f'{i+1}. {model}')
print(f'\nWhich one do you want to load? 1-{len(available_models)}\n')
i = int(input()) - 1
print()
shared.model_name = available_models[i]
# If any model has been selected, load it
if shared.model_name != 'None':
p = Path(shared.model_name)
if p.exists():
model_name = p.parts[-1]
shared.model_name = model_name
else:
model_name = shared.model_name
model_settings = get_model_metadata(model_name)
update_model_parameters(model_settings, initial=True) # hijack the command-line arguments
# Load the model
shared.model, shared.tokenizer = load_model(model_name)
if shared.args.lora:
add_lora_to_model(shared.args.lora)
shared.generation_lock = Lock()
# Launch the web UI
create_interface()
while True:
time.sleep(0.5)
if shared.need_restart:
shared.need_restart = False
time.sleep(0.5)
shared.gradio['interface'].close()
time.sleep(0.5)
create_interface()