mirror of
https://github.com/oobabooga/text-generation-webui.git
synced 2024-11-22 08:07:56 +01:00
932 lines
31 KiB
Python
932 lines
31 KiB
Python
import base64
|
|
import copy
|
|
import functools
|
|
import html
|
|
import json
|
|
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, 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 = jinja_env.from_string(state['chat_template_str'])
|
|
instruction_template = jinja_env.from_string(state['instruction_template_str'])
|
|
chat_renderer = partial(chat_template.render, add_generation_prompt=False, name1=state['name1'], name2=state['name2'])
|
|
instruct_renderer = partial(instruction_template.render, add_generation_prompt=False)
|
|
|
|
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() != '':
|
|
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|>']:
|
|
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)
|
|
|
|
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]
|
|
prompt = prompt[:-len(suffix)]
|
|
|
|
else:
|
|
if _continue:
|
|
suffix = get_generation_prompt(renderer, impersonate=impersonate)[1]
|
|
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:
|
|
right = mid
|
|
else:
|
|
left = mid
|
|
|
|
messages[-1]['content'] = user_message[right:]
|
|
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,
|
|
]
|
|
|
|
if 'stopping_strings' in state and isinstance(state['stopping_strings'], list):
|
|
stopping_strings += state.pop('stopping_strings')
|
|
|
|
return list(set(stopping_strings))
|
|
|
|
|
|
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']
|
|
}
|
|
|
|
if shared.model_name == 'None' or shared.model is None:
|
|
raise ValueError("No model is loaded! Select one in the Model tab.")
|
|
|
|
# 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'])
|
|
|
|
if shared.model_name == 'None' or shared.model is None:
|
|
logger.error("No model is loaded! Select one in the Model tab.")
|
|
yield '', static_output
|
|
return
|
|
|
|
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)
|
|
|
|
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
|
|
|
|
|
|
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', 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))
|
|
|
|
|
|
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.")
|
|
else:
|
|
logger.info(f"Renaming {old_p} to {new_p}")
|
|
old_p.rename(new_p)
|
|
|
|
|
|
def find_all_histories(state):
|
|
if shared.args.multi_user:
|
|
return ['']
|
|
|
|
if state['mode'] == 'instruct':
|
|
paths = 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)
|
|
|
|
paths = Path(f'logs/chat/{character}').glob('*.json')
|
|
|
|
histories = sorted(paths, key=lambda x: x.stat().st_mtime, reverse=True)
|
|
histories = [path.stem for path in histories]
|
|
|
|
return histories
|
|
|
|
|
|
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(state)
|
|
idx = min(int(idx), len(histories) - 1)
|
|
idx = max(0, idx)
|
|
|
|
if len(histories) > 0:
|
|
history = load_history(histories[idx], state['character_menu'], state['mode'])
|
|
else:
|
|
history = start_new_chat(state)
|
|
histories = find_all_histories(state)
|
|
|
|
return history, gr.update(choices=histories, value=histories[idx])
|
|
|
|
|
|
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
|