Spaces:
Runtime error
Runtime error
import base64 | |
import copy | |
import functools | |
import json | |
import re | |
from datetime import datetime | |
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, state['history'] = remove_last_message(state['history']) | |
regenerate = False | |
_continue = True | |
send_dummy_message(text, state) | |
send_dummy_reply(start_with, state) | |
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_history_at_user_request(history, character, mode): | |
def make_timestamp_path(character=None): | |
return f"logs/{character or ''}{'_' if character else ''}{datetime.now().strftime('%Y%m%d-%H%M%S')}.json" | |
path = None | |
if mode in ['chat', 'chat-instruct'] and character not in ['', 'None', None]: | |
path = make_timestamp_path(character) | |
else: | |
# Try to use mode as the file name, otherwise just use the timestamp | |
try: | |
path = make_timestamp_path(mode.capitalize()) | |
except: | |
path = make_timestamp_path() | |
return save_history(history, path) | |
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': []} | |
history['internal'] = f['data'] | |
history['visible'] = f['data_visible'] | |
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) | |
filepath = None | |
for extension in ["yaml",]: | |
filepath = Path(f'{folder}/{character}.{extension}') | |
if filepath.exists(): | |
break | |
if filepath is None: | |
logger.error(f"Could not find character file for {character} in {folder} folder. Please check your spelling.") | |
return name1, name2, picture, greeting, context, turn_template.replace("\n", r"\n") | |
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") | |
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')) | |