mirror of
https://github.com/oobabooga/text-generation-webui.git
synced 2024-11-23 08:28:21 +01:00
607 lines
20 KiB
Python
607 lines
20 KiB
Python
import base64
|
|
import copy
|
|
import functools
|
|
import json
|
|
import re
|
|
from pathlib import Path
|
|
|
|
import gradio as gr
|
|
import yaml
|
|
from PIL import Image
|
|
|
|
import modules.shared as shared
|
|
from modules.extensions import apply_extensions
|
|
from modules.html_generator import chat_html_wrapper, make_thumbnail
|
|
from modules.logging_colors import logger
|
|
from modules.text_generation import (
|
|
generate_reply,
|
|
get_encoded_length,
|
|
get_max_prompt_length
|
|
)
|
|
from modules.utils import (
|
|
delete_file,
|
|
get_available_characters,
|
|
replace_all,
|
|
save_file
|
|
)
|
|
|
|
|
|
def get_turn_substrings(state, instruct=False):
|
|
if instruct:
|
|
if 'turn_template' not in state or state['turn_template'] == '':
|
|
template = '<|user|>\n<|user-message|>\n<|bot|>\n<|bot-message|>\n'
|
|
else:
|
|
template = state['turn_template'].replace(r'\n', '\n')
|
|
else:
|
|
template = '<|user|>: <|user-message|>\n<|bot|>: <|bot-message|>\n'
|
|
|
|
replacements = {
|
|
'<|user|>': state['name1_instruct' if instruct else 'name1'].strip(),
|
|
'<|bot|>': state['name2_instruct' if instruct else 'name2'].strip(),
|
|
}
|
|
|
|
output = {
|
|
'user_turn': template.split('<|bot|>')[0],
|
|
'bot_turn': '<|bot|>' + template.split('<|bot|>')[1],
|
|
'user_turn_stripped': template.split('<|bot|>')[0].split('<|user-message|>')[0],
|
|
'bot_turn_stripped': '<|bot|>' + template.split('<|bot|>')[1].split('<|bot-message|>')[0],
|
|
}
|
|
|
|
for k in output:
|
|
output[k] = replace_all(output[k], replacements)
|
|
|
|
return output
|
|
|
|
|
|
def generate_chat_prompt(user_input, state, **kwargs):
|
|
impersonate = kwargs.get('impersonate', False)
|
|
_continue = kwargs.get('_continue', False)
|
|
also_return_rows = kwargs.get('also_return_rows', False)
|
|
history = kwargs.get('history', state['history'])['internal']
|
|
is_instruct = state['mode'] == 'instruct'
|
|
|
|
# Find the maximum prompt size
|
|
max_length = get_max_prompt_length(state)
|
|
all_substrings = {
|
|
'chat': get_turn_substrings(state, instruct=False),
|
|
'instruct': get_turn_substrings(state, instruct=True)
|
|
}
|
|
|
|
substrings = all_substrings['instruct' if is_instruct else 'chat']
|
|
|
|
# Create the template for "chat-instruct" mode
|
|
if state['mode'] == 'chat-instruct':
|
|
wrapper = ''
|
|
command = state['chat-instruct_command'].replace('<|character|>', state['name2'] if not impersonate else state['name1'])
|
|
wrapper += state['context_instruct']
|
|
wrapper += all_substrings['instruct']['user_turn'].replace('<|user-message|>', command)
|
|
wrapper += all_substrings['instruct']['bot_turn_stripped']
|
|
if impersonate:
|
|
wrapper += substrings['user_turn_stripped'].rstrip(' ')
|
|
elif _continue:
|
|
wrapper += apply_extensions('bot_prefix', substrings['bot_turn_stripped'], state)
|
|
wrapper += history[-1][1]
|
|
else:
|
|
wrapper += apply_extensions('bot_prefix', substrings['bot_turn_stripped'].rstrip(' '), state)
|
|
else:
|
|
wrapper = '<|prompt|>'
|
|
|
|
# Build the prompt
|
|
min_rows = 3
|
|
i = len(history) - 1
|
|
rows = [state['context_instruct'] if is_instruct else f"{state['context'].strip()}\n"]
|
|
while i >= 0 and get_encoded_length(wrapper.replace('<|prompt|>', ''.join(rows))) < max_length:
|
|
if _continue and i == len(history) - 1:
|
|
if state['mode'] != 'chat-instruct':
|
|
rows.insert(1, substrings['bot_turn_stripped'] + history[i][1].strip())
|
|
else:
|
|
rows.insert(1, substrings['bot_turn'].replace('<|bot-message|>', history[i][1].strip()))
|
|
|
|
string = history[i][0]
|
|
if string not in ['', '<|BEGIN-VISIBLE-CHAT|>']:
|
|
rows.insert(1, replace_all(substrings['user_turn'], {'<|user-message|>': string.strip(), '<|round|>': str(i)}))
|
|
|
|
i -= 1
|
|
|
|
if impersonate:
|
|
if state['mode'] == 'chat-instruct':
|
|
min_rows = 1
|
|
else:
|
|
min_rows = 2
|
|
rows.append(substrings['user_turn_stripped'].rstrip(' '))
|
|
elif not _continue:
|
|
# Add the user message
|
|
if len(user_input) > 0:
|
|
rows.append(replace_all(substrings['user_turn'], {'<|user-message|>': user_input.strip(), '<|round|>': str(len(history))}))
|
|
|
|
# Add the character prefix
|
|
if state['mode'] != 'chat-instruct':
|
|
rows.append(apply_extensions('bot_prefix', substrings['bot_turn_stripped'].rstrip(' '), state))
|
|
|
|
while len(rows) > min_rows and get_encoded_length(wrapper.replace('<|prompt|>', ''.join(rows))) >= max_length:
|
|
rows.pop(1)
|
|
|
|
prompt = wrapper.replace('<|prompt|>', ''.join(rows))
|
|
if also_return_rows:
|
|
return prompt, rows
|
|
else:
|
|
return prompt
|
|
|
|
|
|
def get_stopping_strings(state):
|
|
stopping_strings = []
|
|
if state['mode'] in ['instruct', 'chat-instruct']:
|
|
stopping_strings += [
|
|
state['turn_template'].split('<|user-message|>')[1].split('<|bot|>')[0] + '<|bot|>',
|
|
state['turn_template'].split('<|bot-message|>')[1] + '<|user|>'
|
|
]
|
|
|
|
replacements = {
|
|
'<|user|>': state['name1_instruct'],
|
|
'<|bot|>': state['name2_instruct']
|
|
}
|
|
|
|
for i in range(len(stopping_strings)):
|
|
stopping_strings[i] = replace_all(stopping_strings[i], replacements).rstrip(' ').replace(r'\n', '\n')
|
|
|
|
if state['mode'] in ['chat', 'chat-instruct']:
|
|
stopping_strings += [
|
|
f"\n{state['name1']}:",
|
|
f"\n{state['name2']}:"
|
|
]
|
|
|
|
if state['stop_at_newline']:
|
|
stopping_strings.append("\n")
|
|
|
|
return stopping_strings
|
|
|
|
|
|
def chatbot_wrapper(text, state, regenerate=False, _continue=False, loading_message=True):
|
|
history = state['history']
|
|
output = copy.deepcopy(history)
|
|
output = apply_extensions('history', output)
|
|
state = apply_extensions('state', state)
|
|
if shared.model_name == 'None' or shared.model is None:
|
|
logger.error("No model is loaded! Select one in the Model tab.")
|
|
yield output
|
|
return
|
|
|
|
# Defining some variables
|
|
just_started = True
|
|
visible_text = None
|
|
stopping_strings = get_stopping_strings(state)
|
|
is_stream = state['stream']
|
|
|
|
# Preparing the input
|
|
if not any((regenerate, _continue)):
|
|
text, visible_text = apply_extensions('input_hijack', text, visible_text)
|
|
if visible_text is None:
|
|
visible_text = text
|
|
|
|
text = apply_extensions('input', text, state)
|
|
|
|
# *Is typing...*
|
|
if loading_message:
|
|
yield {'visible': output['visible'] + [[visible_text, shared.processing_message]], 'internal': output['internal']}
|
|
else:
|
|
text, visible_text = output['internal'][-1][0], output['visible'][-1][0]
|
|
if regenerate:
|
|
output['visible'].pop()
|
|
output['internal'].pop()
|
|
# *Is typing...*
|
|
if loading_message:
|
|
yield {'visible': output['visible'] + [[visible_text, shared.processing_message]], 'internal': output['internal']}
|
|
elif _continue:
|
|
last_reply = [output['internal'][-1][1], output['visible'][-1][1]]
|
|
if loading_message:
|
|
yield {'visible': output['visible'][:-1] + [[visible_text, last_reply[1] + '...']], 'internal': output['internal']}
|
|
|
|
# Generating the prompt
|
|
kwargs = {
|
|
'_continue': _continue,
|
|
'history': output,
|
|
}
|
|
|
|
prompt = apply_extensions('custom_generate_chat_prompt', text, state, **kwargs)
|
|
if prompt is None:
|
|
prompt = generate_chat_prompt(text, state, **kwargs)
|
|
|
|
# Generate
|
|
cumulative_reply = ''
|
|
for i in range(state['chat_generation_attempts']):
|
|
reply = None
|
|
for j, reply in enumerate(generate_reply(prompt + cumulative_reply, state, stopping_strings=stopping_strings, is_chat=True)):
|
|
reply = cumulative_reply + reply
|
|
|
|
# Extract the reply
|
|
visible_reply = re.sub("(<USER>|<user>|{{user}})", state['name1'], reply)
|
|
|
|
# We need this global variable to handle the Stop event,
|
|
# otherwise gradio gets confused
|
|
if shared.stop_everything:
|
|
output['visible'][-1][1] = apply_extensions('output', output['visible'][-1][1], state)
|
|
yield output
|
|
return
|
|
|
|
if just_started:
|
|
just_started = False
|
|
if not _continue:
|
|
output['internal'].append(['', ''])
|
|
output['visible'].append(['', ''])
|
|
|
|
if _continue:
|
|
output['internal'][-1] = [text, last_reply[0] + reply]
|
|
output['visible'][-1] = [visible_text, last_reply[1] + visible_reply]
|
|
if is_stream:
|
|
yield output
|
|
elif not (j == 0 and visible_reply.strip() == ''):
|
|
output['internal'][-1] = [text, reply.lstrip(' ')]
|
|
output['visible'][-1] = [visible_text, visible_reply.lstrip(' ')]
|
|
if is_stream:
|
|
yield output
|
|
|
|
if reply in [None, cumulative_reply]:
|
|
break
|
|
else:
|
|
cumulative_reply = reply
|
|
|
|
output['visible'][-1][1] = apply_extensions('output', output['visible'][-1][1], state)
|
|
yield output
|
|
|
|
|
|
def impersonate_wrapper(text, start_with, state):
|
|
if shared.model_name == 'None' or shared.model is None:
|
|
logger.error("No model is loaded! Select one in the Model tab.")
|
|
yield ''
|
|
return
|
|
|
|
# Defining some variables
|
|
cumulative_reply = ''
|
|
prompt = generate_chat_prompt('', state, impersonate=True)
|
|
stopping_strings = get_stopping_strings(state)
|
|
|
|
yield text + '...'
|
|
cumulative_reply = text
|
|
for i in range(state['chat_generation_attempts']):
|
|
reply = None
|
|
for reply in generate_reply(prompt + cumulative_reply, state, stopping_strings=stopping_strings, is_chat=True):
|
|
reply = cumulative_reply + reply
|
|
yield reply.lstrip(' ')
|
|
if shared.stop_everything:
|
|
return
|
|
|
|
if reply in [None, cumulative_reply]:
|
|
break
|
|
else:
|
|
cumulative_reply = reply
|
|
|
|
yield cumulative_reply.lstrip(' ')
|
|
|
|
|
|
def generate_chat_reply(text, state, regenerate=False, _continue=False, loading_message=True):
|
|
history = state['history']
|
|
if regenerate or _continue:
|
|
text = ''
|
|
if (len(history['visible']) == 1 and not history['visible'][0][0]) or len(history['internal']) == 0:
|
|
yield history
|
|
return
|
|
|
|
for history in chatbot_wrapper(text, state, regenerate=regenerate, _continue=_continue, loading_message=loading_message):
|
|
yield history
|
|
|
|
|
|
# Same as above but returns HTML for the UI
|
|
def generate_chat_reply_wrapper(text, start_with, state, regenerate=False, _continue=False):
|
|
if start_with != '' and not _continue:
|
|
if regenerate:
|
|
text = remove_last_message()
|
|
regenerate = False
|
|
|
|
_continue = True
|
|
send_dummy_message(text)
|
|
send_dummy_reply(start_with)
|
|
|
|
for i, history in enumerate(generate_chat_reply(text, state, regenerate, _continue, loading_message=True)):
|
|
yield chat_html_wrapper(history, state['name1'], state['name2'], state['mode'], state['chat_style']), history
|
|
|
|
|
|
def remove_last_message(history):
|
|
if len(history['visible']) > 0 and history['internal'][-1][0] != '<|BEGIN-VISIBLE-CHAT|>':
|
|
last = history['visible'].pop()
|
|
history['internal'].pop()
|
|
else:
|
|
last = ['', '']
|
|
|
|
return last[0], history
|
|
|
|
|
|
def send_last_reply_to_input(history):
|
|
if len(history['internal']) > 0:
|
|
return history['internal'][-1][1]
|
|
else:
|
|
return ''
|
|
|
|
|
|
def replace_last_reply(text, state):
|
|
history = state['history']
|
|
if len(history['visible']) > 0:
|
|
history['visible'][-1][1] = text
|
|
history['internal'][-1][1] = apply_extensions('input', text, state)
|
|
|
|
return history
|
|
|
|
|
|
def send_dummy_message(text, state):
|
|
history = state['history']
|
|
history['visible'].append([text, ''])
|
|
history['internal'].append([apply_extensions('input', text, state), ''])
|
|
return history
|
|
|
|
|
|
def send_dummy_reply(text, state):
|
|
history = state['history']
|
|
if len(history['visible']) > 0 and not history['visible'][-1][1] == '':
|
|
history['visible'].append(['', ''])
|
|
history['internal'].append(['', ''])
|
|
|
|
history['visible'][-1][1] = text
|
|
history['internal'][-1][1] = apply_extensions('input', text, state)
|
|
return history
|
|
|
|
|
|
def clear_chat_log(state):
|
|
greeting = state['greeting']
|
|
mode = state['mode']
|
|
history = state['history']
|
|
|
|
history['visible'] = []
|
|
history['internal'] = []
|
|
if mode != 'instruct':
|
|
if greeting != '':
|
|
history['internal'] += [['<|BEGIN-VISIBLE-CHAT|>', greeting]]
|
|
history['visible'] += [['', apply_extensions('output', greeting, state)]]
|
|
|
|
return history
|
|
|
|
|
|
def redraw_html(history, name1, name2, mode, style, reset_cache=False):
|
|
return chat_html_wrapper(history, name1, name2, mode, style, reset_cache=reset_cache)
|
|
|
|
|
|
def save_history(history, path=None):
|
|
p = path or Path('logs/exported_history.json')
|
|
with open(p, 'w', encoding='utf-8') as f:
|
|
f.write(json.dumps(history, indent=4))
|
|
|
|
return p
|
|
|
|
|
|
def load_history(file, history):
|
|
try:
|
|
file = file.decode('utf-8')
|
|
j = json.loads(file)
|
|
if 'internal' in j and 'visible' in j:
|
|
return j
|
|
else:
|
|
return history
|
|
except:
|
|
return history
|
|
|
|
|
|
def save_persistent_history(history, character, mode):
|
|
if mode in ['chat', 'chat-instruct'] and character not in ['', 'None', None] and not shared.args.multi_user:
|
|
save_history(history, path=Path(f'logs/{character}_persistent.json'))
|
|
|
|
|
|
def load_persistent_history(state):
|
|
if state['mode'] == 'instruct':
|
|
return state['history']
|
|
|
|
character = state['character_menu']
|
|
greeting = state['greeting']
|
|
p = Path(f'logs/{character}_persistent.json')
|
|
if not shared.args.multi_user and character not in ['None', '', None] and p.exists():
|
|
f = json.loads(open(p, 'rb').read())
|
|
if 'internal' in f and 'visible' in f:
|
|
history = f
|
|
else:
|
|
history = {'internal': [], 'visible': []}
|
|
if greeting != "":
|
|
history['internal'] += [['<|BEGIN-VISIBLE-CHAT|>', greeting]]
|
|
history['visible'] += [['', apply_extensions('output', greeting, state)]]
|
|
|
|
return history
|
|
|
|
|
|
def replace_character_names(text, name1, name2):
|
|
text = text.replace('{{user}}', name1).replace('{{char}}', name2)
|
|
return text.replace('<USER>', name1).replace('<BOT>', name2)
|
|
|
|
|
|
def build_pygmalion_style_context(data):
|
|
context = ""
|
|
if 'char_persona' in data and data['char_persona'] != '':
|
|
context += f"{data['char_name']}'s Persona: {data['char_persona']}\n"
|
|
|
|
if 'world_scenario' in data and data['world_scenario'] != '':
|
|
context += f"Scenario: {data['world_scenario']}\n"
|
|
|
|
context = f"{context.strip()}\n<START>\n"
|
|
return context
|
|
|
|
|
|
def generate_pfp_cache(character):
|
|
cache_folder = Path("cache")
|
|
if not cache_folder.exists():
|
|
cache_folder.mkdir()
|
|
|
|
for path in [Path(f"characters/{character}.{extension}") for extension in ['png', 'jpg', 'jpeg']]:
|
|
if path.exists():
|
|
img = make_thumbnail(Image.open(path))
|
|
img.save(Path('cache/pfp_character.png'), format='PNG')
|
|
return img
|
|
|
|
return None
|
|
|
|
|
|
def load_character(character, name1, name2, instruct=False):
|
|
context = greeting = turn_template = ""
|
|
greeting_field = 'greeting'
|
|
picture = None
|
|
|
|
# Deleting the profile picture cache, if any
|
|
if Path("cache/pfp_character.png").exists():
|
|
Path("cache/pfp_character.png").unlink()
|
|
|
|
if character not in ['None', '', None]:
|
|
folder = 'characters' if not instruct else 'characters/instruction-following'
|
|
picture = generate_pfp_cache(character)
|
|
for extension in ["yml", "yaml", "json"]:
|
|
filepath = Path(f'{folder}/{character}.{extension}')
|
|
if filepath.exists():
|
|
break
|
|
|
|
file_contents = open(filepath, 'r', encoding='utf-8').read()
|
|
data = json.loads(file_contents) if extension == "json" else yaml.safe_load(file_contents)
|
|
|
|
# Finding the bot's name
|
|
for k in ['name', 'bot', '<|bot|>', 'char_name']:
|
|
if k in data and data[k] != '':
|
|
name2 = data[k]
|
|
break
|
|
|
|
# Find the user name (if any)
|
|
for k in ['your_name', 'user', '<|user|>']:
|
|
if k in data and data[k] != '':
|
|
name1 = data[k]
|
|
break
|
|
|
|
for field in ['context', 'greeting', 'example_dialogue', 'char_persona', 'char_greeting', 'world_scenario']:
|
|
if field in data:
|
|
data[field] = replace_character_names(data[field], name1, name2)
|
|
|
|
if 'context' in data:
|
|
context = data['context']
|
|
if not instruct:
|
|
context = context.strip() + '\n'
|
|
elif "char_persona" in data:
|
|
context = build_pygmalion_style_context(data)
|
|
greeting_field = 'char_greeting'
|
|
|
|
if 'example_dialogue' in data:
|
|
context += f"{data['example_dialogue'].strip()}\n"
|
|
|
|
if greeting_field in data:
|
|
greeting = data[greeting_field]
|
|
|
|
if 'turn_template' in data:
|
|
turn_template = data['turn_template']
|
|
|
|
else:
|
|
context = shared.settings['context']
|
|
name2 = shared.settings['name2']
|
|
greeting = shared.settings['greeting']
|
|
turn_template = shared.settings['turn_template']
|
|
|
|
return name1, name2, picture, greeting, context, turn_template.replace("\n", r"\n")
|
|
|
|
|
|
@functools.cache
|
|
def load_character_memoized(character, name1, name2, instruct=False):
|
|
return load_character(character, name1, name2, instruct=instruct)
|
|
|
|
|
|
def upload_character(json_file, img, tavern=False):
|
|
json_file = json_file if type(json_file) == str else json_file.decode('utf-8')
|
|
data = json.loads(json_file)
|
|
outfile_name = data["char_name"]
|
|
i = 1
|
|
while Path(f'characters/{outfile_name}.json').exists():
|
|
outfile_name = f'{data["char_name"]}_{i:03d}'
|
|
i += 1
|
|
|
|
if tavern:
|
|
outfile_name = f'TavernAI-{outfile_name}'
|
|
|
|
with open(Path(f'characters/{outfile_name}.json'), 'w', encoding='utf-8') as f:
|
|
f.write(json_file)
|
|
|
|
if img is not None:
|
|
img.save(Path(f'characters/{outfile_name}.png'))
|
|
|
|
logger.info(f'New character saved to "characters/{outfile_name}.json".')
|
|
return gr.update(value=outfile_name, choices=get_available_characters())
|
|
|
|
|
|
def upload_tavern_character(img, _json):
|
|
_json = {"char_name": _json['name'], "char_persona": _json['description'], "char_greeting": _json["first_mes"], "example_dialogue": _json['mes_example'], "world_scenario": _json['scenario']}
|
|
return upload_character(json.dumps(_json), img, tavern=True)
|
|
|
|
|
|
def check_tavern_character(img):
|
|
if "chara" not in img.info:
|
|
return "Not a TavernAI card", None, None, gr.update(interactive=False)
|
|
decoded_string = base64.b64decode(img.info['chara'])
|
|
_json = json.loads(decoded_string)
|
|
if "data" in _json:
|
|
_json = _json["data"]
|
|
return _json['name'], _json['description'], _json, gr.update(interactive=True)
|
|
|
|
|
|
def upload_your_profile_picture(img):
|
|
cache_folder = Path("cache")
|
|
if not cache_folder.exists():
|
|
cache_folder.mkdir()
|
|
|
|
if img is None:
|
|
if Path("cache/pfp_me.png").exists():
|
|
Path("cache/pfp_me.png").unlink()
|
|
else:
|
|
img = make_thumbnail(img)
|
|
img.save(Path('cache/pfp_me.png'))
|
|
logger.info('Profile picture saved to "cache/pfp_me.png"')
|
|
|
|
|
|
def generate_character_yaml(name, greeting, context):
|
|
data = {
|
|
'name': name,
|
|
'greeting': greeting,
|
|
'context': context,
|
|
}
|
|
|
|
data = {k: v for k, v in data.items() if v} # Strip falsy
|
|
return yaml.dump(data, sort_keys=False)
|
|
|
|
|
|
def generate_instruction_template_yaml(user, bot, context, turn_template):
|
|
data = {
|
|
'user': user,
|
|
'bot': bot,
|
|
'turn_template': turn_template,
|
|
'context': context,
|
|
}
|
|
|
|
data = {k: v for k, v in data.items() if v} # Strip falsy
|
|
return yaml.dump(data, sort_keys=False)
|
|
|
|
|
|
def save_character(name, greeting, context, picture, filename):
|
|
if filename == "":
|
|
logger.error("The filename is empty, so the character will not be saved.")
|
|
return
|
|
|
|
data = generate_character_yaml(name, greeting, context)
|
|
filepath = Path(f'characters/{filename}.yaml')
|
|
save_file(filepath, data)
|
|
path_to_img = Path(f'characters/{filename}.png')
|
|
if picture is not None:
|
|
picture.save(path_to_img)
|
|
logger.info(f'Saved {path_to_img}.')
|
|
|
|
|
|
def delete_character(name, instruct=False):
|
|
for extension in ["yml", "yaml", "json"]:
|
|
delete_file(Path(f'characters/{name}.{extension}'))
|
|
|
|
delete_file(Path(f'characters/{name}.png'))
|