text-generation-webui/modules/chat.py
2024-07-26 23:03:05 -07:00

1208 lines
40 KiB
Python

import base64
import copy
import functools
import html
import json
import pprint
import re
from datetime import datetime
from functools import partial
from pathlib import Path
import gradio as gr
import yaml
from jinja2.sandbox import ImmutableSandboxedEnvironment
from PIL import Image
import modules.shared as shared
from modules import utils
from modules.extensions import apply_extensions
from modules.html_generator import (
chat_html_wrapper,
convert_to_markdown,
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, save_file
# Copied from the Transformers library
jinja_env = ImmutableSandboxedEnvironment(trim_blocks=True, lstrip_blocks=True)
def str_presenter(dumper, data):
"""
Copied from https://github.com/yaml/pyyaml/issues/240
Makes pyyaml output prettier multiline strings.
"""
if data.count('\n') > 0:
return dumper.represent_scalar('tag:yaml.org,2002:str', data, style='|')
return dumper.represent_scalar('tag:yaml.org,2002:str', data)
yaml.add_representer(str, str_presenter)
yaml.representer.SafeRepresenter.add_representer(str, str_presenter)
def get_generation_prompt(renderer, impersonate=False, strip_trailing_spaces=True):
'''
Given a Jinja template, reverse-engineers the prefix and the suffix for
an assistant message (if impersonate=False) or an user message
(if impersonate=True)
'''
if impersonate:
messages = [
{"role": "user", "content": "<<|user-message-1|>>"},
{"role": "user", "content": "<<|user-message-2|>>"},
]
else:
messages = [
{"role": "assistant", "content": "<<|user-message-1|>>"},
{"role": "assistant", "content": "<<|user-message-2|>>"},
]
prompt = renderer(messages=messages)
suffix_plus_prefix = prompt.split("<<|user-message-1|>>")[1].split("<<|user-message-2|>>")[0]
suffix = prompt.split("<<|user-message-2|>>")[1]
prefix = suffix_plus_prefix[len(suffix):]
if strip_trailing_spaces:
prefix = prefix.rstrip(' ')
return prefix, suffix
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']
# Templates
chat_template_str = state['chat_template_str']
if state['mode'] != 'instruct':
chat_template_str = replace_character_names(chat_template_str, state['name1'], state['name2'])
instruction_template = jinja_env.from_string(state['instruction_template_str'])
instruct_renderer = partial(instruction_template.render, add_generation_prompt=False)
chat_template = jinja_env.from_string(chat_template_str)
chat_renderer = partial(
chat_template.render,
add_generation_prompt=False,
name1=state['name1'],
name2=state['name2'],
user_bio=replace_character_names(state['user_bio'], state['name1'], state['name2']),
)
messages = []
if state['mode'] == 'instruct':
renderer = instruct_renderer
if state['custom_system_message'].strip() != '':
messages.append({"role": "system", "content": state['custom_system_message']})
else:
renderer = chat_renderer
if state['context'].strip() != '' or state['user_bio'].strip() != '':
context = replace_character_names(state['context'], state['name1'], state['name2'])
messages.append({"role": "system", "content": context})
insert_pos = len(messages)
for user_msg, assistant_msg in reversed(history):
user_msg = user_msg.strip()
assistant_msg = assistant_msg.strip()
if assistant_msg:
messages.insert(insert_pos, {"role": "assistant", "content": assistant_msg})
if user_msg not in ['', '<|BEGIN-VISIBLE-CHAT|>']:
messages.insert(insert_pos, {"role": "user", "content": user_msg})
user_input = user_input.strip()
if user_input and not impersonate and not _continue:
messages.append({"role": "user", "content": user_input})
def remove_extra_bos(prompt):
for bos_token in ['<s>', '<|startoftext|>', '<BOS_TOKEN>', '<|endoftext|>']:
while prompt.startswith(bos_token):
prompt = prompt[len(bos_token):]
return prompt
def make_prompt(messages):
if state['mode'] == 'chat-instruct' and _continue:
prompt = renderer(messages=messages[:-1])
else:
prompt = renderer(messages=messages)
if state['mode'] == 'chat-instruct':
outer_messages = []
if state['custom_system_message'].strip() != '':
outer_messages.append({"role": "system", "content": state['custom_system_message']})
prompt = remove_extra_bos(prompt)
command = state['chat-instruct_command']
command = command.replace('<|character|>', state['name2'] if not impersonate else state['name1'])
command = command.replace('<|prompt|>', prompt)
command = replace_character_names(command, state['name1'], state['name2'])
if _continue:
prefix = get_generation_prompt(renderer, impersonate=impersonate, strip_trailing_spaces=False)[0]
prefix += messages[-1]["content"]
else:
prefix = get_generation_prompt(renderer, impersonate=impersonate)[0]
if not impersonate:
prefix = apply_extensions('bot_prefix', prefix, state)
outer_messages.append({"role": "user", "content": command})
outer_messages.append({"role": "assistant", "content": prefix})
prompt = instruction_template.render(messages=outer_messages)
suffix = get_generation_prompt(instruct_renderer, impersonate=False)[1]
if len(suffix) > 0:
prompt = prompt[:-len(suffix)]
else:
if _continue:
suffix = get_generation_prompt(renderer, impersonate=impersonate)[1]
if len(suffix) > 0:
prompt = prompt[:-len(suffix)]
else:
prefix = get_generation_prompt(renderer, impersonate=impersonate)[0]
if state['mode'] == 'chat' and not impersonate:
prefix = apply_extensions('bot_prefix', prefix, state)
prompt += prefix
prompt = remove_extra_bos(prompt)
return prompt
prompt = make_prompt(messages)
# Handle truncation
if shared.tokenizer is not None:
max_length = get_max_prompt_length(state)
encoded_length = get_encoded_length(prompt)
while len(messages) > 0 and encoded_length > max_length:
# Remove old message, save system message
if len(messages) > 2 and messages[0]['role'] == 'system':
messages.pop(1)
# Remove old message when no system message is present
elif len(messages) > 1 and messages[0]['role'] != 'system':
messages.pop(0)
# Resort to truncating the user input
else:
user_message = messages[-1]['content']
# Bisect the truncation point
left, right = 0, len(user_message) - 1
while right - left > 1:
mid = (left + right) // 2
messages[-1]['content'] = user_message[:mid]
prompt = make_prompt(messages)
encoded_length = get_encoded_length(prompt)
if encoded_length <= max_length:
left = mid
else:
right = mid
messages[-1]['content'] = user_message[:left]
prompt = make_prompt(messages)
encoded_length = get_encoded_length(prompt)
if encoded_length > max_length:
logger.error(f"Failed to build the chat prompt. The input is too long for the available context length.\n\nTruncation length: {state['truncation_length']}\nmax_new_tokens: {state['max_new_tokens']} (is it too high?)\nAvailable context length: {max_length}\n")
raise ValueError
else:
logger.warning(f"The input has been truncated. Context length: {state['truncation_length']}, max_new_tokens: {state['max_new_tokens']}, available context length: {max_length}.")
break
prompt = make_prompt(messages)
encoded_length = get_encoded_length(prompt)
if also_return_rows:
return prompt, [message['content'] for message in messages]
else:
return prompt
def get_stopping_strings(state):
stopping_strings = []
renderers = []
if state['mode'] in ['instruct', 'chat-instruct']:
template = jinja_env.from_string(state['instruction_template_str'])
renderer = partial(template.render, add_generation_prompt=False)
renderers.append(renderer)
if state['mode'] in ['chat', 'chat-instruct']:
template = jinja_env.from_string(state['chat_template_str'])
renderer = partial(template.render, add_generation_prompt=False, name1=state['name1'], name2=state['name2'])
renderers.append(renderer)
for renderer in renderers:
prefix_bot, suffix_bot = get_generation_prompt(renderer, impersonate=False)
prefix_user, suffix_user = get_generation_prompt(renderer, impersonate=True)
stopping_strings += [
suffix_user + prefix_bot,
suffix_user + prefix_user,
suffix_bot + prefix_bot,
suffix_bot + prefix_user,
]
# Try to find the EOT token
for item in stopping_strings.copy():
item = item.strip()
if item.startswith("<") and ">" in item:
stopping_strings.append(item.split(">")[0] + ">")
elif item.startswith("[") and "]" in item:
stopping_strings.append(item.split("]")[0] + "]")
if 'stopping_strings' in state and isinstance(state['stopping_strings'], list):
stopping_strings += state.pop('stopping_strings')
# Remove redundant items that start with another item
result = [item for item in stopping_strings if not any(item.startswith(other) and item != other for other in stopping_strings)]
result = list(set(result))
if shared.args.verbose:
logger.info("STOPPING_STRINGS=")
pprint.PrettyPrinter(indent=4, sort_dicts=False).pprint(result)
print()
return result
def chatbot_wrapper(text, state, regenerate=False, _continue=False, loading_message=True, for_ui=False):
history = state['history']
output = copy.deepcopy(history)
output = apply_extensions('history', output)
state = apply_extensions('state', state)
visible_text = None
stopping_strings = get_stopping_strings(state)
is_stream = state['stream']
# Prepare the input
if not (regenerate or _continue):
visible_text = html.escape(text)
# Apply extensions
text, visible_text = apply_extensions('chat_input', text, visible_text, state)
text = apply_extensions('input', text, state, is_chat=True)
output['internal'].append([text, ''])
output['visible'].append([visible_text, ''])
# *Is typing...*
if loading_message:
yield {
'visible': output['visible'][:-1] + [[output['visible'][-1][0], shared.processing_message]],
'internal': output['internal']
}
else:
text, visible_text = output['internal'][-1][0], output['visible'][-1][0]
if regenerate:
if loading_message:
yield {
'visible': output['visible'][:-1] + [[visible_text, shared.processing_message]],
'internal': output['internal'][:-1] + [[text, '']]
}
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']
}
# Generate the prompt
kwargs = {
'_continue': _continue,
'history': output if _continue else {k: v[:-1] for k, v in output.items()}
}
prompt = apply_extensions('custom_generate_chat_prompt', text, state, **kwargs)
if prompt is None:
prompt = generate_chat_prompt(text, state, **kwargs)
# Generate
reply = None
for j, reply in enumerate(generate_reply(prompt, state, stopping_strings=stopping_strings, is_chat=True, for_ui=for_ui)):
# Extract the reply
visible_reply = reply
if state['mode'] in ['chat', 'chat-instruct']:
visible_reply = re.sub("(<USER>|<user>|{{user}})", state['name1'], reply)
visible_reply = html.escape(visible_reply)
if shared.stop_everything:
output['visible'][-1][1] = apply_extensions('output', output['visible'][-1][1], state, is_chat=True)
yield output
return
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
output['visible'][-1][1] = apply_extensions('output', output['visible'][-1][1], state, is_chat=True)
yield output
def impersonate_wrapper(text, state):
static_output = chat_html_wrapper(state['history'], state['name1'], state['name2'], state['mode'], state['chat_style'], state['character_menu'])
prompt = generate_chat_prompt('', state, impersonate=True)
stopping_strings = get_stopping_strings(state)
yield text + '...', static_output
reply = None
for reply in generate_reply(prompt + text, state, stopping_strings=stopping_strings, is_chat=True):
yield (text + reply).lstrip(' '), static_output
if shared.stop_everything:
return
def generate_chat_reply(text, state, regenerate=False, _continue=False, loading_message=True, for_ui=False):
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, for_ui=for_ui):
yield history
def character_is_loaded(state, raise_exception=False):
if state['mode'] in ['chat', 'chat-instruct'] and state['name2'] == '':
logger.error('It looks like no character is loaded. Please load one under Parameters > Character.')
if raise_exception:
raise ValueError
return False
else:
return True
def generate_chat_reply_wrapper(text, state, regenerate=False, _continue=False):
'''
Same as above but returns HTML for the UI
'''
if not character_is_loaded(state):
return
if state['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(state['start_with'], state)
history = state['history']
for i, history in enumerate(generate_chat_reply(text, state, regenerate, _continue, loading_message=True, for_ui=True)):
yield chat_html_wrapper(history, state['name1'], state['name2'], state['mode'], state['chat_style'], state['character_menu']), history
save_history(history, state['unique_id'], state['character_menu'], state['mode'])
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 html.unescape(last[0]), history
def send_last_reply_to_input(history):
if len(history['visible']) > 0:
return html.unescape(history['visible'][-1][1])
else:
return ''
def replace_last_reply(text, state):
history = state['history']
if len(text.strip()) == 0:
return history
elif len(history['visible']) > 0:
history['visible'][-1][1] = html.escape(text)
history['internal'][-1][1] = apply_extensions('input', text, state, is_chat=True)
return history
def send_dummy_message(text, state):
history = state['history']
history['visible'].append([html.escape(text), ''])
history['internal'].append([apply_extensions('input', text, state, is_chat=True), ''])
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] = html.escape(text)
history['internal'][-1][1] = apply_extensions('input', text, state, is_chat=True)
return history
def redraw_html(history, name1, name2, mode, style, character, reset_cache=False):
return chat_html_wrapper(history, name1, name2, mode, style, character, reset_cache=reset_cache)
def start_new_chat(state):
mode = state['mode']
history = {'internal': [], 'visible': []}
if mode != 'instruct':
greeting = replace_character_names(state['greeting'], state['name1'], state['name2'])
if greeting != '':
history['internal'] += [['<|BEGIN-VISIBLE-CHAT|>', greeting]]
history['visible'] += [['', apply_extensions('output', html.escape(greeting), state, is_chat=True)]]
unique_id = datetime.now().strftime('%Y%m%d-%H-%M-%S')
save_history(history, unique_id, state['character_menu'], state['mode'])
return history
def get_history_file_path(unique_id, character, mode):
if mode == 'instruct':
p = Path(f'logs/instruct/{unique_id}.json')
else:
p = Path(f'logs/chat/{character}/{unique_id}.json')
return p
def save_history(history, unique_id, character, mode):
if shared.args.multi_user:
return
p = get_history_file_path(unique_id, character, mode)
if not p.parent.is_dir():
p.parent.mkdir(parents=True)
with open(p, 'w', encoding='utf-8') as f:
f.write(json.dumps(history, indent=4, ensure_ascii=False))
def rename_history(old_id, new_id, character, mode):
if shared.args.multi_user:
return
old_p = get_history_file_path(old_id, character, mode)
new_p = get_history_file_path(new_id, character, mode)
if new_p.parent != old_p.parent:
logger.error(f"The following path is not allowed: \"{new_p}\".")
elif new_p == old_p:
logger.info("The provided path is identical to the old one.")
elif new_p.exists():
logger.error(f"The new path already exists and will not be overwritten: \"{new_p}\".")
else:
logger.info(f"Renaming \"{old_p}\" to \"{new_p}\"")
old_p.rename(new_p)
def get_paths(state):
if state['mode'] == 'instruct':
return Path('logs/instruct').glob('*.json')
else:
character = state['character_menu']
# Handle obsolete filenames and paths
old_p = Path(f'logs/{character}_persistent.json')
new_p = Path(f'logs/persistent_{character}.json')
if old_p.exists():
logger.warning(f"Renaming \"{old_p}\" to \"{new_p}\"")
old_p.rename(new_p)
if new_p.exists():
unique_id = datetime.now().strftime('%Y%m%d-%H-%M-%S')
p = get_history_file_path(unique_id, character, state['mode'])
logger.warning(f"Moving \"{new_p}\" to \"{p}\"")
p.parent.mkdir(exist_ok=True)
new_p.rename(p)
return Path(f'logs/chat/{character}').glob('*.json')
def find_all_histories(state):
if shared.args.multi_user:
return ['']
paths = get_paths(state)
histories = sorted(paths, key=lambda x: x.stat().st_mtime, reverse=True)
return [path.stem for path in histories]
def find_all_histories_with_first_prompts(state):
if shared.args.multi_user:
return []
paths = get_paths(state)
histories = sorted(paths, key=lambda x: x.stat().st_mtime, reverse=True)
result = []
for i, path in enumerate(histories):
filename = path.stem
if re.match(r'^[0-9]{8}-[0-9]{2}-[0-9]{2}-[0-9]{2}$', filename):
with open(path, 'r', encoding='utf-8') as f:
data = json.load(f)
first_prompt = ""
if data and 'visible' in data and len(data['visible']) > 0:
if data['internal'][0][0] == '<|BEGIN-VISIBLE-CHAT|>':
if len(data['visible']) > 1:
first_prompt = html.unescape(data['visible'][1][0])
elif i == 0:
first_prompt = "New chat"
else:
first_prompt = html.unescape(data['visible'][0][0])
elif i == 0:
first_prompt = "New chat"
else:
first_prompt = filename
first_prompt = first_prompt.strip()
# Truncate the first prompt if it's longer than 32 characters
if len(first_prompt) > 32:
first_prompt = first_prompt[:29] + '...'
result.append((first_prompt, filename))
return result
def load_latest_history(state):
'''
Loads the latest history for the given character in chat or chat-instruct
mode, or the latest instruct history for instruct mode.
'''
if shared.args.multi_user:
return start_new_chat(state)
histories = find_all_histories(state)
if len(histories) > 0:
history = load_history(histories[0], state['character_menu'], state['mode'])
else:
history = start_new_chat(state)
return history
def load_history_after_deletion(state, idx):
'''
Loads the latest history for the given character in chat or chat-instruct
mode, or the latest instruct history for instruct mode.
'''
if shared.args.multi_user:
return start_new_chat(state)
histories = find_all_histories_with_first_prompts(state)
idx = min(int(idx), len(histories) - 1)
idx = max(0, idx)
if len(histories) > 0:
history = load_history(histories[idx][1], state['character_menu'], state['mode'])
else:
history = start_new_chat(state)
histories = find_all_histories_with_first_prompts(state)
return history, gr.update(choices=histories, value=histories[idx][1])
def update_character_menu_after_deletion(idx):
characters = utils.get_available_characters()
idx = min(int(idx), len(characters) - 1)
idx = max(0, idx)
return gr.update(choices=characters, value=characters[idx])
def load_history(unique_id, character, mode):
p = get_history_file_path(unique_id, character, mode)
f = json.loads(open(p, 'rb').read())
if 'internal' in f and 'visible' in f:
history = f
else:
history = {
'internal': f['data'],
'visible': f['data_visible']
}
return history
def load_history_json(file, history):
try:
file = file.decode('utf-8')
f = json.loads(file)
if 'internal' in f and 'visible' in f:
history = f
else:
history = {
'internal': f['data'],
'visible': f['data_visible']
}
return history
except:
return history
def delete_history(unique_id, character, mode):
p = get_history_file_path(unique_id, character, mode)
delete_file(p)
def replace_character_names(text, name1, name2):
text = text.replace('{{user}}', name1).replace('{{char}}', name2)
return text.replace('<USER>', name1).replace('<BOT>', name2)
def generate_pfp_cache(character):
cache_folder = Path(shared.args.disk_cache_dir)
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():
original_img = Image.open(path)
original_img.save(Path(f'{cache_folder}/pfp_character.png'), format='PNG')
thumb = make_thumbnail(original_img)
thumb.save(Path(f'{cache_folder}/pfp_character_thumb.png'), format='PNG')
return thumb
return None
def load_character(character, name1, name2):
context = greeting = ""
greeting_field = 'greeting'
picture = None
filepath = None
for extension in ["yml", "yaml", "json"]:
filepath = Path(f'characters/{character}.{extension}')
if filepath.exists():
break
if filepath is None or not filepath.exists():
logger.error(f"Could not find the character \"{character}\" inside characters/. No character has been loaded.")
raise ValueError
file_contents = open(filepath, 'r', encoding='utf-8').read()
data = json.loads(file_contents) if extension == "json" else yaml.safe_load(file_contents)
cache_folder = Path(shared.args.disk_cache_dir)
for path in [Path(f"{cache_folder}/pfp_character.png"), Path(f"{cache_folder}/pfp_character_thumb.png")]:
if path.exists():
path.unlink()
picture = generate_pfp_cache(character)
# 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
if 'context' in data:
context = data['context'].strip()
elif "char_persona" in data:
context = build_pygmalion_style_context(data)
greeting_field = 'char_greeting'
greeting = data.get(greeting_field, greeting)
return name1, name2, picture, greeting, context
def load_instruction_template(template):
if template == 'None':
return ''
for filepath in [Path(f'instruction-templates/{template}.yaml'), Path('instruction-templates/Alpaca.yaml')]:
if filepath.exists():
break
else:
return ''
file_contents = open(filepath, 'r', encoding='utf-8').read()
data = yaml.safe_load(file_contents)
if 'instruction_template' in data:
return data['instruction_template']
else:
return jinja_template_from_old_format(data)
@functools.cache
def load_character_memoized(character, name1, name2):
return load_character(character, name1, name2)
@functools.cache
def load_instruction_template_memoized(template):
return load_instruction_template(template)
def upload_character(file, img, tavern=False):
decoded_file = file if isinstance(file, str) else file.decode('utf-8')
try:
data = json.loads(decoded_file)
except:
data = yaml.safe_load(decoded_file)
if 'char_name' in data:
name = data['char_name']
greeting = data['char_greeting']
context = build_pygmalion_style_context(data)
yaml_data = generate_character_yaml(name, greeting, context)
else:
name = data['name']
yaml_data = generate_character_yaml(data['name'], data['greeting'], data['context'])
outfile_name = name
i = 1
while Path(f'characters/{outfile_name}.yaml').exists():
outfile_name = f'{name}_{i:03d}'
i += 1
with open(Path(f'characters/{outfile_name}.yaml'), 'w', encoding='utf-8') as f:
f.write(yaml_data)
if img is not None:
img.save(Path(f'characters/{outfile_name}.png'))
logger.info(f'New character saved to "characters/{outfile_name}.yaml".')
return gr.update(value=outfile_name, choices=get_available_characters())
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"
if 'example_dialogue' in data and data['example_dialogue'] != '':
context += f"{data['example_dialogue'].strip()}\n"
context = f"{context.strip()}\n"
return context
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']).replace(b'\\r\\n', b'\\n')
_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(shared.args.disk_cache_dir)
if not cache_folder.exists():
cache_folder.mkdir()
if img is None:
if Path(f"{cache_folder}/pfp_me.png").exists():
Path(f"{cache_folder}/pfp_me.png").unlink()
else:
img = make_thumbnail(img)
img.save(Path(f'{cache_folder}/pfp_me.png'))
logger.info(f'Profile picture saved to "{cache_folder}/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, width=float("inf"))
def generate_instruction_template_yaml(instruction_template):
data = {
'instruction_template': instruction_template
}
return my_yaml_output(data)
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'))
def jinja_template_from_old_format(params, verbose=False):
MASTER_TEMPLATE = """
{%- set ns = namespace(found=false) -%}
{%- for message in messages -%}
{%- if message['role'] == 'system' -%}
{%- set ns.found = true -%}
{%- endif -%}
{%- endfor -%}
{%- if not ns.found -%}
{{- '<|PRE-SYSTEM|>' + '<|SYSTEM-MESSAGE|>' + '<|POST-SYSTEM|>' -}}
{%- endif %}
{%- for message in messages %}
{%- if message['role'] == 'system' -%}
{{- '<|PRE-SYSTEM|>' + message['content'] + '<|POST-SYSTEM|>' -}}
{%- else -%}
{%- if message['role'] == 'user' -%}
{{-'<|PRE-USER|>' + message['content'] + '<|POST-USER|>'-}}
{%- else -%}
{{-'<|PRE-ASSISTANT|>' + message['content'] + '<|POST-ASSISTANT|>' -}}
{%- endif -%}
{%- endif -%}
{%- endfor -%}
{%- if add_generation_prompt -%}
{{-'<|PRE-ASSISTANT-GENERATE|>'-}}
{%- endif -%}
"""
if 'context' in params and '<|system-message|>' in params['context']:
pre_system = params['context'].split('<|system-message|>')[0]
post_system = params['context'].split('<|system-message|>')[1]
else:
pre_system = ''
post_system = ''
pre_user = params['turn_template'].split('<|user-message|>')[0].replace('<|user|>', params['user'])
post_user = params['turn_template'].split('<|user-message|>')[1].split('<|bot|>')[0]
pre_assistant = '<|bot|>' + params['turn_template'].split('<|bot-message|>')[0].split('<|bot|>')[1]
pre_assistant = pre_assistant.replace('<|bot|>', params['bot'])
post_assistant = params['turn_template'].split('<|bot-message|>')[1]
def preprocess(string):
return string.replace('\n', '\\n').replace('\'', '\\\'')
pre_system = preprocess(pre_system)
post_system = preprocess(post_system)
pre_user = preprocess(pre_user)
post_user = preprocess(post_user)
pre_assistant = preprocess(pre_assistant)
post_assistant = preprocess(post_assistant)
if verbose:
print(
'\n',
repr(pre_system) + '\n',
repr(post_system) + '\n',
repr(pre_user) + '\n',
repr(post_user) + '\n',
repr(pre_assistant) + '\n',
repr(post_assistant) + '\n',
)
result = MASTER_TEMPLATE
if 'system_message' in params:
result = result.replace('<|SYSTEM-MESSAGE|>', preprocess(params['system_message']))
else:
result = result.replace('<|SYSTEM-MESSAGE|>', '')
result = result.replace('<|PRE-SYSTEM|>', pre_system)
result = result.replace('<|POST-SYSTEM|>', post_system)
result = result.replace('<|PRE-USER|>', pre_user)
result = result.replace('<|POST-USER|>', post_user)
result = result.replace('<|PRE-ASSISTANT|>', pre_assistant)
result = result.replace('<|PRE-ASSISTANT-GENERATE|>', pre_assistant.rstrip(' '))
result = result.replace('<|POST-ASSISTANT|>', post_assistant)
result = result.strip()
return result
def my_yaml_output(data):
'''
pyyaml is very inconsistent with multiline strings.
for simple instruction template outputs, this is enough.
'''
result = ""
for k in data:
result += k + ": |-\n"
for line in data[k].splitlines():
result += " " + line.rstrip(' ') + "\n"
return result
def handle_replace_last_reply_click(text, state):
history = replace_last_reply(text, state)
save_history(history, state['unique_id'], state['character_menu'], state['mode'])
html = redraw_html(history, state['name1'], state['name2'], state['mode'], state['chat_style'], state['character_menu'])
return [history, html, ""]
def handle_send_dummy_message_click(text, state):
history = send_dummy_message(text, state)
save_history(history, state['unique_id'], state['character_menu'], state['mode'])
html = redraw_html(history, state['name1'], state['name2'], state['mode'], state['chat_style'], state['character_menu'])
return [history, html, ""]
def handle_send_dummy_reply_click(text, state):
history = send_dummy_reply(text, state)
save_history(history, state['unique_id'], state['character_menu'], state['mode'])
html = redraw_html(history, state['name1'], state['name2'], state['mode'], state['chat_style'], state['character_menu'])
return [history, html, ""]
def handle_remove_last_click(state):
last_input, history = remove_last_message(state['history'])
save_history(history, state['unique_id'], state['character_menu'], state['mode'])
html = redraw_html(history, state['name1'], state['name2'], state['mode'], state['chat_style'], state['character_menu'])
return [history, html, last_input]
def handle_unique_id_select(state):
history = load_history(state['unique_id'], state['character_menu'], state['mode'])
html = redraw_html(history, state['name1'], state['name2'], state['mode'], state['chat_style'], state['character_menu'])
convert_to_markdown.cache_clear()
return [history, html]
def handle_start_new_chat_click(state):
history = start_new_chat(state)
histories = find_all_histories_with_first_prompts(state)
html = redraw_html(history, state['name1'], state['name2'], state['mode'], state['chat_style'], state['character_menu'])
convert_to_markdown.cache_clear()
return [history, html, gr.update(choices=histories, value=histories[0][1])]
def handle_delete_chat_confirm_click(state):
index = str(find_all_histories(state).index(state['unique_id']))
delete_history(state['unique_id'], state['character_menu'], state['mode'])
history, unique_id = load_history_after_deletion(state, index)
html = redraw_html(history, state['name1'], state['name2'], state['mode'], state['chat_style'], state['character_menu'])
convert_to_markdown.cache_clear()
return [
history,
html,
unique_id,
gr.update(visible=False),
gr.update(visible=True),
gr.update(visible=False)
]
def handle_rename_chat_click():
return [
gr.update(visible=True, value="My New Chat"),
gr.update(visible=True),
gr.update(visible=True)
]
def handle_rename_chat_confirm(rename_to, state):
rename_history(state['unique_id'], rename_to, state['character_menu'], state['mode'])
histories = find_all_histories_with_first_prompts(state)
return [
gr.update(choices=histories, value=rename_to),
gr.update(visible=False),
gr.update(visible=False),
gr.update(visible=False)
]
def handle_upload_chat_history(load_chat_history, state):
history = start_new_chat(state)
history = load_history_json(load_chat_history, history)
histories = find_all_histories_with_first_prompts(state)
save_history(history, state['unique_id'], state['character_menu'], state['mode'])
html = redraw_html(history, state['name1'], state['name2'], state['mode'], state['chat_style'], state['character_menu'])
convert_to_markdown.cache_clear()
return [
history,
html,
gr.update(choices=histories, value=histories[0][1])
]
def handle_character_menu_change(state):
name1, name2, picture, greeting, context = load_character(state['character_menu'], state['name1'], state['name2'])
state['name1'] = name1
state['name2'] = name2
state['character_picture'] = picture
state['greeting'] = greeting
state['context'] = context
history = load_latest_history(state)
histories = find_all_histories_with_first_prompts(state)
html = redraw_html(history, state['name1'], state['name2'], state['mode'], state['chat_style'], state['character_menu'])
convert_to_markdown.cache_clear()
return [
history,
html,
name1,
name2,
picture,
greeting,
context,
gr.update(choices=histories, value=histories[0][1]),
]
def handle_mode_change(state):
history = load_latest_history(state)
histories = find_all_histories_with_first_prompts(state)
html = redraw_html(history, state['name1'], state['name2'], state['mode'], state['chat_style'], state['character_menu'])
convert_to_markdown.cache_clear()
return [
history,
html,
gr.update(visible=state['mode'] != 'instruct'),
gr.update(visible=state['mode'] == 'chat-instruct'),
gr.update(choices=histories, value=histories[0][1])
]
def handle_save_character_click(name2):
return [
name2,
gr.update(visible=True)
]
def handle_load_template_click(instruction_template):
output = load_instruction_template(instruction_template)
return [
output,
"Select template to load..."
]
def handle_save_template_click(instruction_template_str):
contents = generate_instruction_template_yaml(instruction_template_str)
return [
"My Template.yaml",
"instruction-templates/",
contents,
gr.update(visible=True)
]
def handle_delete_template_click(template):
return [
f"{template}.yaml",
"instruction-templates/",
gr.update(visible=True)
]
def handle_your_picture_change(picture, state):
upload_your_profile_picture(picture)
html = redraw_html(state['history'], state['name1'], state['name2'], state['mode'], state['chat_style'], state['character_menu'], reset_cache=True)
return html
def handle_send_instruction_click(state):
state['mode'] = 'instruct'
state['history'] = {'internal': [], 'visible': []}
output = generate_chat_prompt("Input", state)
return output
def handle_send_chat_click(state):
output = generate_chat_prompt("", state, _continue=True)
return output