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import base64 |
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import copy |
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import functools |
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import html |
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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 gradio as gr |
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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 ( |
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delete_file, |
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get_available_characters, |
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replace_all, |
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save_file |
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) |
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|
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def str_presenter(dumper, data): |
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""" |
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Copied from https://github.com/yaml/pyyaml/issues/240 |
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Makes pyyaml output prettier multiline strings. |
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""" |
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|
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if data.count('\n') > 0: |
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return dumper.represent_scalar('tag:yaml.org,2002:str', data, style='|') |
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|
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return dumper.represent_scalar('tag:yaml.org,2002:str', data) |
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|
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yaml.add_representer(str, str_presenter) |
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yaml.representer.SafeRepresenter.add_representer(str, str_presenter) |
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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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|
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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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|
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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', state['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) if state['mode'] in ['chat', 'chat-instruct'] else None, |
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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'], state) |
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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(' '), state) |
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else: |
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wrapper = '<|prompt|>' |
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|
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if is_instruct: |
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context = state['context_instruct'] |
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if state['custom_system_message'].strip() != '': |
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context = context.replace('<|system-message|>', state['custom_system_message']) |
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else: |
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context = context.replace('<|system-message|>', state['system_message']) |
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else: |
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context = replace_character_names( |
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f"{state['context'].strip()}\n", |
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state['name1'], |
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state['name2'] |
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) |
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rows = [context] |
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min_rows = 3 |
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i = len(history) - 1 |
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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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|
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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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|
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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(' '), state)) |
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|
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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 'stopping_strings' in state and isinstance(state['stopping_strings'], list): |
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stopping_strings += state.pop('stopping_strings') |
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return stopping_strings |
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def chatbot_wrapper(text, state, regenerate=False, _continue=False, loading_message=True): |
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history = state['history'] |
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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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visible_text = html.escape(text) |
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text, visible_text = apply_extensions('chat_input', text, visible_text, state) |
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text = apply_extensions('input', text, state, is_chat=True) |
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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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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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reply = None |
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for j, reply in enumerate(generate_reply(prompt, state, stopping_strings=stopping_strings, is_chat=True)): |
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visible_reply = reply |
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if state['mode'] in ['chat', 'chat-instruct']: |
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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: |
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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 |
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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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output['visible'][-1][1] = apply_extensions('output', output['visible'][-1][1], state, is_chat=True) |
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yield output |
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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']) |
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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 '', static_output |
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return |
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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 + '...', static_output |
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reply = None |
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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: |
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return |
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def generate_chat_reply(text, state, regenerate=False, _continue=False, loading_message=True): |
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history = state['history'] |
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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, state, regenerate=regenerate, _continue=_continue, loading_message=loading_message): |
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yield history |
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def character_is_loaded(state, raise_exception=False): |
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if state['mode'] in ['chat', 'chat-instruct'] and state['name2'] == '': |
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logger.error('It looks like no character is loaded. Please load one under Parameters > Character.') |
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if raise_exception: |
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raise ValueError |
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return False |
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else: |
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return True |
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def generate_chat_reply_wrapper(text, state, regenerate=False, _continue=False): |
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''' |
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Same as above but returns HTML for the UI |
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''' |
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if not character_is_loaded(state): |
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return |
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if state['start_with'] != '' and not _continue: |
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if regenerate: |
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text, state['history'] = remove_last_message(state['history']) |
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regenerate = False |
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_continue = True |
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send_dummy_message(text, state) |
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send_dummy_reply(state['start_with'], state) |
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for i, history in enumerate(generate_chat_reply(text, state, regenerate, _continue, loading_message=True)): |
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yield chat_html_wrapper(history, state['name1'], state['name2'], state['mode'], state['chat_style']), history |
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def remove_last_message(history): |
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if len(history['visible']) > 0 and history['internal'][-1][0] != '<|BEGIN-VISIBLE-CHAT|>': |
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last = history['visible'].pop() |
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history['internal'].pop() |
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else: |
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last = ['', ''] |
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return html.unescape(last[0]), history |
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def send_last_reply_to_input(history): |
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if len(history['visible']) > 0: |
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return html.unescape(history['visible'][-1][1]) |
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else: |
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return '' |
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def replace_last_reply(text, state): |
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history = state['history'] |
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|
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if len(text.strip()) == 0: |
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return history |
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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) |
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return history |
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def send_dummy_message(text, state): |
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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), '']) |
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return history |
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|
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def send_dummy_reply(text, state): |
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history = state['history'] |
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if len(history['visible']) > 0 and not history['visible'][-1][1] == '': |
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history['visible'].append(['', '']) |
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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) |
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return history |
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def redraw_html(history, name1, name2, mode, style, reset_cache=False): |
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return chat_html_wrapper(history, name1, name2, mode, style, reset_cache=reset_cache) |
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def start_new_chat(state): |
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mode = state['mode'] |
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history = {'internal': [], 'visible': []} |
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|
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if mode != 'instruct': |
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greeting = replace_character_names(state['greeting'], state['name1'], state['name2']) |
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if greeting != '': |
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history['internal'] += [['<|BEGIN-VISIBLE-CHAT|>', greeting]] |
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history['visible'] += [['', apply_extensions('output', greeting, state, is_chat=True)]] |
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unique_id = datetime.now().strftime('%Y%m%d-%H-%M-%S') |
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save_history(history, unique_id, state['character_menu'], state['mode']) |
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return history |
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|
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def get_history_file_path(unique_id, character, mode): |
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if mode == 'instruct': |
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p = Path(f'logs/instruct/{unique_id}.json') |
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else: |
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p = Path(f'logs/chat/{character}/{unique_id}.json') |
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return p |
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def save_history(history, unique_id, character, mode): |
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if shared.args.multi_user: |
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return |
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|
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p = get_history_file_path(unique_id, character, mode) |
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if not p.parent.is_dir(): |
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p.parent.mkdir(parents=True) |
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|
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with open(p, 'w', encoding='utf-8') as f: |
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f.write(json.dumps(history, indent=4)) |
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def rename_history(old_id, new_id, character, mode): |
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if shared.args.multi_user: |
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return |
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|
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old_p = get_history_file_path(old_id, character, mode) |
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new_p = get_history_file_path(new_id, character, mode) |
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if new_p.parent != old_p.parent: |
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logger.error(f"The following path is not allowed: {new_p}.") |
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elif new_p == old_p: |
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logger.info("The provided path is identical to the old one.") |
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else: |
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logger.info(f"Renaming {old_p} to {new_p}") |
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old_p.rename(new_p) |
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|
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|
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def find_all_histories(state): |
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if shared.args.multi_user: |
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return [''] |
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|
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if state['mode'] == 'instruct': |
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paths = Path('logs/instruct').glob('*.json') |
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else: |
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character = state['character_menu'] |
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|
|
|
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old_p = Path(f'logs/{character}_persistent.json') |
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new_p = Path(f'logs/persistent_{character}.json') |
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if old_p.exists(): |
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logger.warning(f"Renaming {old_p} to {new_p}") |
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old_p.rename(new_p) |
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if new_p.exists(): |
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unique_id = datetime.now().strftime('%Y%m%d-%H-%M-%S') |
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p = get_history_file_path(unique_id, character, state['mode']) |
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logger.warning(f"Moving {new_p} to {p}") |
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p.parent.mkdir(exist_ok=True) |
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new_p.rename(p) |
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|
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paths = Path(f'logs/chat/{character}').glob('*.json') |
|
|
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histories = sorted(paths, key=lambda x: x.stat().st_mtime, reverse=True) |
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histories = [path.stem for path in histories] |
|
|
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return histories |
|
|
|
|
|
def load_latest_history(state): |
|
''' |
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Loads the latest history for the given character in chat or chat-instruct |
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mode, or the latest instruct history for instruct mode. |
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''' |
|
|
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if shared.args.multi_user: |
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return start_new_chat(state) |
|
|
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histories = find_all_histories(state) |
|
|
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if len(histories) > 0: |
|
unique_id = Path(histories[0]).stem |
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history = load_history(unique_id, state['character_menu'], state['mode']) |
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else: |
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history = start_new_chat(state) |
|
|
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return history |
|
|
|
|
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def load_history(unique_id, character, mode): |
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p = get_history_file_path(unique_id, character, mode) |
|
|
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f = json.loads(open(p, 'rb').read()) |
|
if 'internal' in f and 'visible' in f: |
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history = f |
|
else: |
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history = { |
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'internal': f['data'], |
|
'visible': f['data_visible'] |
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} |
|
|
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return history |
|
|
|
|
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def load_history_json(file, history): |
|
try: |
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file = file.decode('utf-8') |
|
f = json.loads(file) |
|
if 'internal' in f and 'visible' in f: |
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history = f |
|
else: |
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history = { |
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'internal': f['data'], |
|
'visible': f['data_visible'] |
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} |
|
|
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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) |
|
|
|
|
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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("cache") |
|
if not cache_folder.exists(): |
|
cache_folder.mkdir() |
|
|
|
for path in [Path(f"characters/{character}.{extension}") for extension in ['png', 'jpg', 'jpeg']]: |
|
if path.exists(): |
|
img = make_thumbnail(Image.open(path)) |
|
img.save(Path('cache/pfp_character.png'), format='PNG') |
|
return img |
|
|
|
return None |
|
|
|
|
|
def load_character(character, name1, name2, instruct=False): |
|
context = greeting = turn_template = system_message = "" |
|
greeting_field = 'greeting' |
|
picture = None |
|
|
|
if instruct: |
|
name1 = name2 = '' |
|
folder = 'instruction-templates' |
|
else: |
|
folder = 'characters' |
|
|
|
filepath = None |
|
for extension in ["yml", "yaml", "json"]: |
|
filepath = Path(f'{folder}/{character}.{extension}') |
|
if filepath.exists(): |
|
break |
|
|
|
if filepath is None or not filepath.exists(): |
|
logger.error(f"Could not find the character \"{character}\" inside {folder}/. 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) |
|
|
|
if Path("cache/pfp_character.png").exists() and not instruct: |
|
Path("cache/pfp_character.png").unlink() |
|
|
|
picture = generate_pfp_cache(character) |
|
|
|
|
|
for k in ['name', 'bot', '<|bot|>', 'char_name']: |
|
if k in data and data[k] != '': |
|
name2 = data[k] |
|
break |
|
|
|
|
|
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'] |
|
if not instruct: |
|
context = context.strip() + '\n' |
|
elif "char_persona" in data: |
|
context = build_pygmalion_style_context(data) |
|
greeting_field = 'char_greeting' |
|
|
|
greeting = data.get(greeting_field, greeting) |
|
turn_template = data.get('turn_template', turn_template) |
|
system_message = data.get('system_message', system_message) |
|
|
|
return name1, name2, picture, greeting, context, turn_template.replace("\n", r"\n"), system_message |
|
|
|
|
|
@functools.cache |
|
def load_character_memoized(character, name1, name2, instruct=False): |
|
return load_character(character, name1, name2, instruct=instruct) |
|
|
|
|
|
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("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, width=float("inf")) |
|
|
|
|
|
def generate_instruction_template_yaml(user, bot, context, turn_template, system_message): |
|
data = { |
|
'user': user, |
|
'bot': bot, |
|
'turn_template': turn_template, |
|
'context': context, |
|
'system_message': system_message, |
|
} |
|
|
|
data = {k: v for k, v in data.items() if v} |
|
return yaml.dump(data, sort_keys=False, width=float("inf")) |
|
|
|
|
|
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')) |
|
|
