text-generation-webui/modules/chat.py

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Python
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import base64
import copy
import functools
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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
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from PIL import Image
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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
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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)
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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|>>"},
]
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else:
messages = [
{"role": "assistant", "content": "<<|user-message-1|>>"},
{"role": "assistant", "content": "<<|user-message-2|>>"},
]
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prompt = renderer(messages=messages)
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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):]
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if strip_trailing_spaces:
prefix = prefix.rstrip(' ')
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return prefix, suffix
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def generate_chat_prompt(user_input, state, **kwargs):
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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)
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messages = []
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if state['mode'] == 'instruct':
renderer = instruct_renderer
if state['custom_system_message'].strip() != '':
messages.append({"role": "system", "content": state['custom_system_message']})
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else:
renderer = chat_renderer
if state['context'].strip() != '':
context = replace_character_names(state['context'], state['name1'], state['name2'])
messages.append({"role": "system", "content": context})
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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)
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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)]
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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)
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prompt += prefix
prompt = remove_extra_bos(prompt)
return prompt
prompt = make_prompt(messages)
# Handle truncation
max_length = get_max_prompt_length(state)
while len(messages) > 0 and get_encoded_length(prompt) > max_length:
# Try to save the system message
if len(messages) > 1 and messages[0]['role'] == 'system':
messages.pop(1)
else:
messages.pop(0)
prompt = make_prompt(messages)
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if also_return_rows:
return prompt, [message['content'] for message in messages]
else:
return prompt
def get_stopping_strings(state):
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stopping_strings = []
renderers = []
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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)
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stopping_strings += [
suffix_user + prefix_bot,
suffix_user + prefix_user,
suffix_bot + prefix_bot,
suffix_bot + prefix_user,
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]
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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']
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output = copy.deepcopy(history)
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output = apply_extensions('history', output)
state = apply_extensions('state', state)
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visible_text = None
stopping_strings = get_stopping_strings(state)
is_stream = state['stream']
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# Prepare the input
if not (regenerate or _continue):
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visible_text = html.escape(text)
# Apply extensions
text, visible_text = apply_extensions('chat_input', text, visible_text, state)
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text = apply_extensions('input', text, state, is_chat=True)
output['internal'].append([text, ''])
output['visible'].append([visible_text, ''])
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# *Is typing...*
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if loading_message:
yield {
'visible': output['visible'][:-1] + [[output['visible'][-1][0], shared.processing_message]],
'internal': output['internal']
}
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else:
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text, visible_text = output['internal'][-1][0], output['visible'][-1][0]
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if regenerate:
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if loading_message:
yield {
'visible': output['visible'][:-1] + [[visible_text, shared.processing_message]],
'internal': output['internal'][:-1] + [[text, '']]
}
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elif _continue:
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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.")
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# Generate the prompt
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kwargs = {
'_continue': _continue,
'history': output if _continue else {k: v[:-1] for k, v in output.items()}
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}
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prompt = apply_extensions('custom_generate_chat_prompt', text, state, **kwargs)
if prompt is None:
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prompt = generate_chat_prompt(text, state, **kwargs)
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# Generate
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reply = None
for j, reply in enumerate(generate_reply(prompt, state, stopping_strings=stopping_strings, is_chat=True, for_ui=for_ui)):
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# Extract the reply
visible_reply = reply
if state['mode'] in ['chat', 'chat-instruct']:
visible_reply = re.sub("(<USER>|<user>|{{user}})", state['name1'], reply)
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visible_reply = html.escape(visible_reply)
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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:
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yield output
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output['visible'][-1][1] = apply_extensions('output', output['visible'][-1][1], state, is_chat=True)
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yield output
def impersonate_wrapper(text, state):
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static_output = chat_html_wrapper(state['history'], state['name1'], state['name2'], state['mode'], state['chat_style'], state['character_menu'])
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if shared.model_name == 'None' or shared.model is None:
logger.error("No model is loaded! Select one in the Model tab.")
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yield '', static_output
return
prompt = generate_chat_prompt('', state, impersonate=True)
stopping_strings = get_stopping_strings(state)
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yield text + '...', static_output
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reply = None
for reply in generate_reply(prompt + text, state, stopping_strings=stopping_strings, is_chat=True):
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yield (text + reply).lstrip(' '), static_output
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if shared.stop_everything:
return
def generate_chat_reply(text, state, regenerate=False, _continue=False, loading_message=True, for_ui=False):
history = state['history']
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if regenerate or _continue:
text = ''
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if (len(history['visible']) == 1 and not history['visible'][0][0]) or len(history['internal']) == 0:
yield history
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return
for history in chatbot_wrapper(text, state, regenerate=regenerate, _continue=_continue, loading_message=loading_message, for_ui=for_ui):
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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:
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text, state['history'] = remove_last_message(state['history'])
regenerate = False
_continue = True
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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)):
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yield chat_html_wrapper(history, state['name1'], state['name2'], state['mode'], state['chat_style'], state['character_menu']), history
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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 = ['', '']
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return html.unescape(last[0]), history
def send_last_reply_to_input(history):
if len(history['visible']) > 0:
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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:
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history['visible'][-1][1] = html.escape(text)
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history['internal'][-1][1] = apply_extensions('input', text, state, is_chat=True)
return history
def send_dummy_message(text, state):
history = state['history']
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history['visible'].append([html.escape(text), ''])
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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(['', ''])
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history['visible'][-1][1] = html.escape(text)
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history['internal'][-1][1] = apply_extensions('input', text, state, is_chat=True)
return history
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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]]
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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))
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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']
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# 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
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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)
idx = min(int(idx), len(histories) - 1)
histories = find_all_histories(state)
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)
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']
}
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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):
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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
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return None
def load_character(character, name1, name2):
context = greeting = ""
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greeting_field = 'greeting'
picture = None
filepath = None
for extension in ["yml", "yaml", "json"]:
filepath = Path(f'characters/{character}.{extension}')
if filepath.exists():
break
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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)
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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):
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):
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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
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with open(Path(f'characters/{outfile_name}.yaml'), 'w', encoding='utf-8') as f:
f.write(yaml_data)
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if img is not None:
img.save(Path(f'characters/{outfile_name}.png'))
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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)
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def upload_your_profile_picture(img):
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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:
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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