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import base64 |
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import copy |
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import functools |
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import io |
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import json |
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import re |
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from datetime import datetime |
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from pathlib import Path |
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import yaml |
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from PIL import Image |
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import modules.shared as shared |
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from modules.extensions import apply_extensions |
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from modules.html_generator import chat_html_wrapper, make_thumbnail |
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from modules.logging_colors import logger |
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from modules.text_generation import ( |
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generate_reply, |
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get_encoded_length, |
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get_max_prompt_length |
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) |
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from modules.utils import delete_file, replace_all, save_file |
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def get_turn_substrings(state, instruct=False): |
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if instruct: |
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if 'turn_template' not in state or state['turn_template'] == '': |
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template = '<|user|>\n<|user-message|>\n<|bot|>\n<|bot-message|>\n' |
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else: |
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template = state['turn_template'].replace(r'\n', '\n') |
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else: |
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template = '<|user|>: <|user-message|>\n<|bot|>: <|bot-message|>\n' |
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replacements = { |
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'<|user|>': state['name1_instruct' if instruct else 'name1'].strip(), |
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'<|bot|>': state['name2_instruct' if instruct else 'name2'].strip(), |
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} |
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output = { |
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'user_turn': template.split('<|bot|>')[0], |
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'bot_turn': '<|bot|>' + template.split('<|bot|>')[1], |
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'user_turn_stripped': template.split('<|bot|>')[0].split('<|user-message|>')[0], |
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'bot_turn_stripped': '<|bot|>' + template.split('<|bot|>')[1].split('<|bot-message|>')[0], |
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} |
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for k in output: |
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output[k] = replace_all(output[k], replacements) |
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return output |
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def generate_chat_prompt(user_input, state, **kwargs): |
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impersonate = kwargs.get('impersonate', False) |
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_continue = kwargs.get('_continue', False) |
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also_return_rows = kwargs.get('also_return_rows', False) |
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history = kwargs.get('history', shared.history)['internal'] |
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is_instruct = state['mode'] == 'instruct' |
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max_length = get_max_prompt_length(state) |
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all_substrings = { |
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'chat': get_turn_substrings(state, instruct=False), |
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'instruct': get_turn_substrings(state, instruct=True) |
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} |
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substrings = all_substrings['instruct' if is_instruct else 'chat'] |
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if state['mode'] == 'chat-instruct': |
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wrapper = '' |
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command = state['chat-instruct_command'].replace('<|character|>', state['name2'] if not impersonate else state['name1']) |
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wrapper += state['context_instruct'] |
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wrapper += all_substrings['instruct']['user_turn'].replace('<|user-message|>', command) |
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wrapper += all_substrings['instruct']['bot_turn_stripped'] |
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if impersonate: |
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wrapper += substrings['user_turn_stripped'].rstrip(' ') |
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elif _continue: |
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wrapper += apply_extensions("bot_prefix", substrings['bot_turn_stripped']) |
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wrapper += history[-1][1] |
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else: |
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wrapper += apply_extensions("bot_prefix", substrings['bot_turn_stripped'].rstrip(' ')) |
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else: |
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wrapper = '<|prompt|>' |
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min_rows = 3 |
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i = len(history) - 1 |
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rows = [state['context_instruct'] if is_instruct else f"{state['context'].strip()}\n"] |
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while i >= 0 and get_encoded_length(wrapper.replace('<|prompt|>', ''.join(rows))) < max_length: |
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if _continue and i == len(history) - 1: |
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if state['mode'] != 'chat-instruct': |
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rows.insert(1, substrings['bot_turn_stripped'] + history[i][1].strip()) |
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else: |
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rows.insert(1, substrings['bot_turn'].replace('<|bot-message|>', history[i][1].strip())) |
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string = history[i][0] |
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if string not in ['', '<|BEGIN-VISIBLE-CHAT|>']: |
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rows.insert(1, replace_all(substrings['user_turn'], {'<|user-message|>': string.strip(), '<|round|>': str(i)})) |
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i -= 1 |
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if impersonate: |
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if state['mode'] == 'chat-instruct': |
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min_rows = 1 |
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else: |
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min_rows = 2 |
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rows.append(substrings['user_turn_stripped'].rstrip(' ')) |
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elif not _continue: |
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if len(user_input) > 0: |
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rows.append(replace_all(substrings['user_turn'], {'<|user-message|>': user_input.strip(), '<|round|>': str(len(history))})) |
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if state['mode'] != 'chat-instruct': |
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rows.append(apply_extensions("bot_prefix", substrings['bot_turn_stripped'].rstrip(' '))) |
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while len(rows) > min_rows and get_encoded_length(wrapper.replace('<|prompt|>', ''.join(rows))) >= max_length: |
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rows.pop(1) |
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prompt = wrapper.replace('<|prompt|>', ''.join(rows)) |
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if also_return_rows: |
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return prompt, rows |
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else: |
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return prompt |
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def get_stopping_strings(state): |
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stopping_strings = [] |
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if state['mode'] in ['instruct', 'chat-instruct']: |
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stopping_strings += [ |
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state['turn_template'].split('<|user-message|>')[1].split('<|bot|>')[0] + '<|bot|>', |
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state['turn_template'].split('<|bot-message|>')[1] + '<|user|>' |
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] |
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replacements = { |
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'<|user|>': state['name1_instruct'], |
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'<|bot|>': state['name2_instruct'] |
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} |
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for i in range(len(stopping_strings)): |
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stopping_strings[i] = replace_all(stopping_strings[i], replacements).rstrip(' ').replace(r'\n', '\n') |
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if state['mode'] in ['chat', 'chat-instruct']: |
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stopping_strings += [ |
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f"\n{state['name1']}:", |
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f"\n{state['name2']}:" |
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] |
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if state['stop_at_newline']: |
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stopping_strings.append("\n") |
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return stopping_strings |
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def chatbot_wrapper(text, history, state, regenerate=False, _continue=False, loading_message=True): |
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output = copy.deepcopy(history) |
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output = apply_extensions('history', output) |
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state = apply_extensions('state', state) |
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if shared.model_name == 'None' or shared.model is None: |
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logger.error("No model is loaded! Select one in the Model tab.") |
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yield output |
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return |
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just_started = True |
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visible_text = None |
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stopping_strings = get_stopping_strings(state) |
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is_stream = state['stream'] |
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if not any((regenerate, _continue)): |
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text, visible_text = apply_extensions('input_hijack', text, visible_text) |
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if visible_text is None: |
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visible_text = text |
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if loading_message: |
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yield {'visible': output['visible'] + [[visible_text, shared.processing_message]], 'internal': output['internal']} |
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text = apply_extensions('input', text) |
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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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output['visible'].pop() |
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output['internal'].pop() |
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if loading_message: |
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yield {'visible': output['visible'] + [[visible_text, shared.processing_message]], 'internal': output['internal']} |
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elif _continue: |
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last_reply = [output['internal'][-1][1], output['visible'][-1][1]] |
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if loading_message: |
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yield {'visible': output['visible'][:-1] + [[visible_text, last_reply[1] + '...']], 'internal': output['internal']} |
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kwargs = { |
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'_continue': _continue, |
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'history': output, |
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} |
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prompt = apply_extensions('custom_generate_chat_prompt', text, state, **kwargs) |
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if prompt is None: |
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prompt = generate_chat_prompt(text, state, **kwargs) |
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cumulative_reply = '' |
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for i in range(state['chat_generation_attempts']): |
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reply = None |
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for j, reply in enumerate(generate_reply(prompt + cumulative_reply, state, stopping_strings=stopping_strings, is_chat=True)): |
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reply = cumulative_reply + reply |
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visible_reply = re.sub("(<USER>|<user>|{{user}})", state['name1'], reply) |
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if shared.stop_everything: |
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output['visible'][-1][1] = apply_extensions("output", output['visible'][-1][1]) |
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yield output |
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return |
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if just_started: |
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just_started = False |
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if not _continue: |
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output['internal'].append(['', '']) |
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output['visible'].append(['', '']) |
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if _continue: |
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output['internal'][-1] = [text, last_reply[0] + reply] |
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output['visible'][-1] = [visible_text, last_reply[1] + visible_reply] |
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if is_stream: |
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yield output |
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elif not (j == 0 and visible_reply.strip() == ''): |
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output['internal'][-1] = [text, reply.lstrip(' ')] |
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output['visible'][-1] = [visible_text, visible_reply.lstrip(' ')] |
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if is_stream: |
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yield output |
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if reply in [None, cumulative_reply]: |
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break |
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else: |
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cumulative_reply = reply |
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output['visible'][-1][1] = apply_extensions("output", output['visible'][-1][1]) |
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yield output |
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def impersonate_wrapper(text, start_with, state): |
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if shared.model_name == 'None' or shared.model is None: |
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logger.error("No model is loaded! Select one in the Model tab.") |
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yield '' |
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return |
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cumulative_reply = '' |
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prompt = generate_chat_prompt('', state, impersonate=True) |
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stopping_strings = get_stopping_strings(state) |
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yield text + '...' |
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cumulative_reply = text |
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for i in range(state['chat_generation_attempts']): |
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reply = None |
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for reply in generate_reply(prompt + cumulative_reply, state, stopping_strings=stopping_strings, is_chat=True): |
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reply = cumulative_reply + reply |
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yield reply.lstrip(' ') |
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if shared.stop_everything: |
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return |
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if reply in [None, cumulative_reply]: |
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break |
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else: |
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cumulative_reply = reply |
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yield cumulative_reply.lstrip(' ') |
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def generate_chat_reply(text, history, state, regenerate=False, _continue=False, loading_message=True): |
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if regenerate or _continue: |
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text = '' |
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if (len(history['visible']) == 1 and not history['visible'][0][0]) or len(history['internal']) == 0: |
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yield history |
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return |
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for history in chatbot_wrapper(text, history, state, regenerate=regenerate, _continue=_continue, loading_message=loading_message): |
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yield history |
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def generate_chat_reply_wrapper(text, start_with, state, regenerate=False, _continue=False): |
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if start_with != '' and not _continue: |
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if regenerate: |
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text = remove_last_message() |
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regenerate = False |
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_continue = True |
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send_dummy_message(text) |
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send_dummy_reply(start_with) |
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for i, history in enumerate(generate_chat_reply(text, shared.history, state, regenerate, _continue, loading_message=True)): |
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if i != 0: |
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shared.history = copy.deepcopy(history) |
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yield chat_html_wrapper(history['visible'], state['name1'], state['name2'], state['mode'], state['chat_style']) |
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def remove_last_message(): |
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if len(shared.history['visible']) > 0 and shared.history['internal'][-1][0] != '<|BEGIN-VISIBLE-CHAT|>': |
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last = shared.history['visible'].pop() |
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shared.history['internal'].pop() |
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else: |
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last = ['', ''] |
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return last[0] |
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def send_last_reply_to_input(): |
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if len(shared.history['internal']) > 0: |
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return shared.history['internal'][-1][1] |
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else: |
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return '' |
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def replace_last_reply(text): |
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if len(shared.history['visible']) > 0: |
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shared.history['visible'][-1][1] = text |
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shared.history['internal'][-1][1] = apply_extensions("input", text) |
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def send_dummy_message(text): |
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shared.history['visible'].append([text, '']) |
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shared.history['internal'].append([apply_extensions("input", text), '']) |
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def send_dummy_reply(text): |
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if len(shared.history['visible']) > 0 and not shared.history['visible'][-1][1] == '': |
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shared.history['visible'].append(['', '']) |
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shared.history['internal'].append(['', '']) |
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shared.history['visible'][-1][1] = text |
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shared.history['internal'][-1][1] = apply_extensions("input", text) |
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def clear_chat_log(greeting, mode): |
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shared.history['visible'] = [] |
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shared.history['internal'] = [] |
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if mode != 'instruct': |
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if greeting != '': |
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shared.history['internal'] += [['<|BEGIN-VISIBLE-CHAT|>', greeting]] |
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shared.history['visible'] += [['', apply_extensions("output", greeting)]] |
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save_history(mode) |
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def redraw_html(name1, name2, mode, style, reset_cache=False): |
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return chat_html_wrapper(shared.history['visible'], name1, name2, mode, style, reset_cache=reset_cache) |
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def tokenize_dialogue(dialogue, name1, name2): |
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history = [] |
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messages = [] |
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dialogue = re.sub('<START>', '', dialogue) |
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dialogue = re.sub('<start>', '', dialogue) |
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dialogue = re.sub('(\n|^)[Aa]non:', '\\1You:', dialogue) |
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dialogue = re.sub('(\n|^)\[CHARACTER\]:', f'\\g<1>{name2}:', dialogue) |
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idx = [m.start() for m in re.finditer(f"(^|\n)({re.escape(name1)}|{re.escape(name2)}):", dialogue)] |
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if len(idx) == 0: |
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return history |
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for i in range(len(idx) - 1): |
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messages.append(dialogue[idx[i]:idx[i + 1]].strip()) |
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messages.append(dialogue[idx[-1]:].strip()) |
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entry = ['', ''] |
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for i in messages: |
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if i.startswith(f'{name1}:'): |
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entry[0] = i[len(f'{name1}:'):].strip() |
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elif i.startswith(f'{name2}:'): |
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entry[1] = i[len(f'{name2}:'):].strip() |
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if not (len(entry[0]) == 0 and len(entry[1]) == 0): |
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history.append(entry) |
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entry = ['', ''] |
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print("\033[1;32;1m\nDialogue tokenized to:\033[0;37;0m\n", end='') |
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for row in history: |
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for column in row: |
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print("\n") |
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for line in column.strip().split('\n'): |
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print("| " + line + "\n") |
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print("|\n") |
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print("------------------------------") |
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return history |
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def save_history(mode, timestamp=False, user_request=False): |
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if mode == 'instruct': |
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if not timestamp: |
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return |
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fname = f"Instruct_{datetime.now().strftime('%Y%m%d-%H%M%S')}.json" |
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else: |
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if shared.character == 'None' and not user_request: |
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return |
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if timestamp: |
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fname = f"{shared.character}_{datetime.now().strftime('%Y%m%d-%H%M%S')}.json" |
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else: |
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fname = f"{shared.character}_persistent.json" |
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if not Path('logs').exists(): |
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Path('logs').mkdir() |
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with open(Path(f'logs/{fname}'), 'w', encoding='utf-8') as f: |
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f.write(json.dumps({'data': shared.history['internal'], 'data_visible': shared.history['visible']}, indent=2)) |
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return Path(f'logs/{fname}') |
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def load_history(file, name1, name2): |
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file = file.decode('utf-8') |
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try: |
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j = json.loads(file) |
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if 'data' in j: |
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shared.history['internal'] = j['data'] |
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if 'data_visible' in j: |
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shared.history['visible'] = j['data_visible'] |
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else: |
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shared.history['visible'] = copy.deepcopy(shared.history['internal']) |
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except: |
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shared.history['internal'] = tokenize_dialogue(file, name1, name2) |
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shared.history['visible'] = copy.deepcopy(shared.history['internal']) |
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def replace_character_names(text, name1, name2): |
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text = text.replace('{{user}}', name1).replace('{{char}}', name2) |
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return text.replace('<USER>', name1).replace('<BOT>', name2) |
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def build_pygmalion_style_context(data): |
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context = "" |
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if 'char_persona' in data and data['char_persona'] != '': |
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context += f"{data['char_name']}'s Persona: {data['char_persona']}\n" |
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if 'world_scenario' in data and data['world_scenario'] != '': |
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context += f"Scenario: {data['world_scenario']}\n" |
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context = f"{context.strip()}\n<START>\n" |
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return context |
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def generate_pfp_cache(character): |
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cache_folder = Path("cache") |
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if not cache_folder.exists(): |
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cache_folder.mkdir() |
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for path in [Path(f"characters/{character}.{extension}") for extension in ['png', 'jpg', 'jpeg']]: |
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if path.exists(): |
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img = make_thumbnail(Image.open(path)) |
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img.save(Path('cache/pfp_character.png'), format='PNG') |
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return img |
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return None |
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def load_character(character, name1, name2, instruct=False): |
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shared.character = character |
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context = greeting = turn_template = "" |
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greeting_field = 'greeting' |
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picture = None |
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|
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if Path("cache/pfp_character.png").exists(): |
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Path("cache/pfp_character.png").unlink() |
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if character != 'None': |
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folder = 'characters' if not instruct else 'characters/instruction-following' |
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picture = generate_pfp_cache(character) |
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for extension in ["yml", "yaml", "json"]: |
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filepath = Path(f'{folder}/{character}.{extension}') |
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if filepath.exists(): |
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break |
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|
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file_contents = open(filepath, 'r', encoding='utf-8').read() |
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data = json.loads(file_contents) if extension == "json" else yaml.safe_load(file_contents) |
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|
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for k in ['name', 'bot', '<|bot|>', 'char_name']: |
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if k in data and data[k] != '': |
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name2 = data[k] |
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break |
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|
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for k in ['your_name', 'user', '<|user|>']: |
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if k in data and data[k] != '': |
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name1 = data[k] |
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break |
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|
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for field in ['context', 'greeting', 'example_dialogue', 'char_persona', 'char_greeting', 'world_scenario']: |
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if field in data: |
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data[field] = replace_character_names(data[field], name1, name2) |
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|
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if 'context' in data: |
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context = data['context'] |
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if not instruct: |
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context = context.strip() + '\n' |
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elif "char_persona" in data: |
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context = build_pygmalion_style_context(data) |
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greeting_field = 'char_greeting' |
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|
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if 'example_dialogue' in data: |
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context += f"{data['example_dialogue'].strip()}\n" |
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|
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if greeting_field in data: |
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greeting = data[greeting_field] |
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|
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if 'turn_template' in data: |
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turn_template = data['turn_template'] |
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else: |
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context = shared.settings['context'] |
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name2 = shared.settings['name2'] |
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greeting = shared.settings['greeting'] |
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turn_template = shared.settings['turn_template'] |
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|
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if not instruct: |
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shared.history['internal'] = [] |
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shared.history['visible'] = [] |
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if shared.character != 'None' and Path(f'logs/{shared.character}_persistent.json').exists(): |
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load_history(open(Path(f'logs/{shared.character}_persistent.json'), 'rb').read(), name1, name2) |
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else: |
|
|
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if greeting != "": |
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shared.history['internal'] += [['<|BEGIN-VISIBLE-CHAT|>', greeting]] |
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shared.history['visible'] += [['', apply_extensions("output", greeting)]] |
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|
|
|
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save_history('instruct' if instruct else 'chat') |
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|
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return name1, name2, picture, greeting, context, turn_template.replace("\n", r"\n") |
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|
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@functools.cache |
|
def load_character_memoized(character, name1, name2, instruct=False): |
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return load_character(character, name1, name2, instruct=instruct) |
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|
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def upload_character(json_file, img, tavern=False): |
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json_file = json_file if type(json_file) == str else json_file.decode('utf-8') |
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data = json.loads(json_file) |
|
outfile_name = data["char_name"] |
|
i = 1 |
|
while Path(f'characters/{outfile_name}.json').exists(): |
|
outfile_name = f'{data["char_name"]}_{i:03d}' |
|
i += 1 |
|
|
|
if tavern: |
|
outfile_name = f'TavernAI-{outfile_name}' |
|
|
|
with open(Path(f'characters/{outfile_name}.json'), 'w', encoding='utf-8') as f: |
|
f.write(json_file) |
|
|
|
if img is not None: |
|
img.save(Path(f'characters/{outfile_name}.png')) |
|
|
|
logger.info(f'New character saved to "characters/{outfile_name}.json".') |
|
return outfile_name |
|
|
|
|
|
def upload_tavern_character(img, name1, name2): |
|
_img = Image.open(io.BytesIO(img)) |
|
_img.getexif() |
|
decoded_string = base64.b64decode(_img.info['chara']) |
|
_json = json.loads(decoded_string) |
|
_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 upload_your_profile_picture(img): |
|
cache_folder = Path("cache") |
|
if not cache_folder.exists(): |
|
cache_folder.mkdir() |
|
|
|
if img is None: |
|
if Path("cache/pfp_me.png").exists(): |
|
Path("cache/pfp_me.png").unlink() |
|
else: |
|
img = make_thumbnail(img) |
|
img.save(Path('cache/pfp_me.png')) |
|
logger.info('Profile picture saved to "cache/pfp_me.png"') |
|
|
|
|
|
def generate_character_yaml(name, greeting, context): |
|
data = { |
|
'name': name, |
|
'greeting': greeting, |
|
'context': context, |
|
} |
|
|
|
data = {k: v for k, v in data.items() if v} |
|
return yaml.dump(data, sort_keys=False) |
|
|
|
|
|
def generate_instruction_template_yaml(user, bot, context, turn_template): |
|
data = { |
|
'user': user, |
|
'bot': bot, |
|
'turn_template': turn_template, |
|
'context': context, |
|
} |
|
|
|
data = {k: v for k, v in data.items() if v} |
|
return yaml.dump(data, sort_keys=False) |
|
|
|
|
|
def save_character(name, greeting, context, picture, filename): |
|
if filename == "": |
|
logger.error("The filename is empty, so the character will not be saved.") |
|
return |
|
|
|
data = generate_character_yaml(name, greeting, context) |
|
filepath = Path(f'characters/{filename}.yaml') |
|
save_file(filepath, data) |
|
path_to_img = Path(f'characters/{filename}.png') |
|
if picture is not None: |
|
picture.save(path_to_img) |
|
logger.info(f'Saved {path_to_img}.') |
|
|
|
|
|
def delete_character(name, instruct=False): |
|
for extension in ["yml", "yaml", "json"]: |
|
delete_file(Path(f'characters/{name}.{extension}')) |
|
|
|
delete_file(Path(f'characters/{name}.png')) |
|
|