Refactor the code to make it more modular
This commit is contained in:
oobabooga
parent
18e0ec955e
commit
98af4bfb0d
10 changed files with 737 additions and 713 deletions
369
modules/chat.py
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369
modules/chat.py
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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 modules.shared as shared
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from modules.extensions import apply_extensions
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from modules.html_generator import *
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from modules.prompt import encode
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from modules.prompt import generate_reply
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from modules.prompt import get_max_prompt_length
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history = {'internal': [], 'visible': []}
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character = None
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# This gets the new line characters right.
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def clean_chat_message(text):
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text = text.replace('\n', '\n\n')
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text = re.sub(r"\n{3,}", "\n\n", text)
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text = text.strip()
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return text
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def generate_chat_prompt(text, tokens, name1, name2, context, chat_prompt_size, impersonate=False):
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text = clean_chat_message(text)
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rows = [f"{context.strip()}\n"]
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i = len(history['internal'])-1
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count = 0
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if shared.soft_prompt:
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chat_prompt_size -= shared.soft_prompt_tensor.shape[1]
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max_length = min(get_max_prompt_length(tokens), chat_prompt_size)
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while i >= 0 and len(encode(''.join(rows), tokens)[0]) < max_length:
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rows.insert(1, f"{name2}: {history['internal'][i][1].strip()}\n")
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count += 1
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if not (history['internal'][i][0] == '<|BEGIN-VISIBLE-CHAT|>'):
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rows.insert(1, f"{name1}: {history['internal'][i][0].strip()}\n")
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count += 1
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i -= 1
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if not impersonate:
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rows.append(f"{name1}: {text}\n")
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rows.append(apply_extensions(f"{name2}:", "bot_prefix"))
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limit = 3
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else:
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rows.append(f"{name1}:")
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limit = 2
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while len(rows) > limit and len(encode(''.join(rows), tokens)[0]) >= max_length:
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rows.pop(1)
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rows.pop(1)
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question = ''.join(rows)
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return question
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def extract_message_from_reply(question, reply, current, other, check, extensions=False):
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next_character_found = False
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substring_found = False
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previous_idx = [m.start() for m in re.finditer(f"(^|\n){re.escape(current)}:", question)]
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idx = [m.start() for m in re.finditer(f"(^|\n){re.escape(current)}:", reply)]
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idx = idx[len(previous_idx)-1]
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if extensions:
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reply = reply[idx + 1 + len(apply_extensions(f"{current}:", "bot_prefix")):]
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else:
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reply = reply[idx + 1 + len(f"{current}:"):]
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if check:
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reply = reply.split('\n')[0].strip()
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else:
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idx = reply.find(f"\n{other}:")
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if idx != -1:
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reply = reply[:idx]
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next_character_found = True
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reply = clean_chat_message(reply)
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# Detect if something like "\nYo" is generated just before
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# "\nYou:" is completed
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tmp = f"\n{other}:"
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for j in range(1, len(tmp)):
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if reply[-j:] == tmp[:j]:
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substring_found = True
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return reply, next_character_found, substring_found
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def generate_chat_picture(picture, name1, name2):
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text = f'*{name1} sends {name2} a picture that contains the following: "{bot_picture.caption_image(picture)}"*'
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buffer = BytesIO()
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picture.save(buffer, format="JPEG")
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img_str = base64.b64encode(buffer.getvalue()).decode('utf-8')
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visible_text = f'<img src="data:image/jpeg;base64,{img_str}">'
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return text, visible_text
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def stop_everything_event():
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global stop_everything
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stop_everything = True
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def chatbot_wrapper(text, tokens, do_sample, max_new_tokens, temperature, top_p, typical_p, repetition_penalty, top_k, min_length, no_repeat_ngram_size, num_beams, penalty_alpha, length_penalty, early_stopping, name1, name2, context, check, chat_prompt_size, picture=None):
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global stop_everything
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stop_everything = False
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if 'pygmalion' in shared.model_name.lower():
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name1 = "You"
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if shared.args.picture and picture is not None:
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text, visible_text = generate_chat_picture(picture, name1, name2)
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else:
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visible_text = text
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if shared.args.chat:
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visible_text = visible_text.replace('\n', '<br>')
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text = apply_extensions(text, "input")
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question = generate_chat_prompt(text, tokens, name1, name2, context, chat_prompt_size)
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eos_token = '\n' if check else None
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first = True
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for reply in generate_reply(question, tokens, do_sample, max_new_tokens, temperature, top_p, typical_p, repetition_penalty, top_k, min_length, no_repeat_ngram_size, num_beams, penalty_alpha, length_penalty, early_stopping, eos_token=eos_token, stopping_string=f"\n{name1}:"):
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reply, next_character_found, substring_found = extract_message_from_reply(question, reply, name2, name1, check, extensions=True)
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visible_reply = apply_extensions(reply, "output")
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if shared.args.chat:
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visible_reply = visible_reply.replace('\n', '<br>')
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# We need this global variable to handle the Stop event,
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# otherwise gradio gets confused
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if stop_everything:
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return history['visible']
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if first:
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first = False
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history['internal'].append(['', ''])
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history['visible'].append(['', ''])
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history['internal'][-1] = [text, reply]
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history['visible'][-1] = [visible_text, visible_reply]
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if not substring_found:
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yield history['visible']
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if next_character_found:
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break
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yield history['visible']
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def impersonate_wrapper(text, tokens, do_sample, max_new_tokens, temperature, top_p, typical_p, repetition_penalty, top_k, min_length, no_repeat_ngram_size, num_beams, penalty_alpha, length_penalty, early_stopping, name1, name2, context, check, chat_prompt_size, picture=None):
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if 'pygmalion' in shared.model_name.lower():
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name1 = "You"
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question = generate_chat_prompt(text, tokens, name1, name2, context, chat_prompt_size, impersonate=True)
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eos_token = '\n' if check else None
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for reply in generate_reply(question, tokens, do_sample, max_new_tokens, temperature, top_p, typical_p, repetition_penalty, top_k, min_length, no_repeat_ngram_size, num_beams, penalty_alpha, length_penalty, early_stopping, eos_token=eos_token, stopping_string=f"\n{name2}:"):
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reply, next_character_found, substring_found = extract_message_from_reply(question, reply, name1, name2, check, extensions=False)
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if not substring_found:
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yield reply
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if next_character_found:
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break
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yield reply
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def cai_chatbot_wrapper(text, tokens, do_sample, max_new_tokens, temperature, top_p, typical_p, repetition_penalty, top_k, min_length, no_repeat_ngram_size, num_beams, penalty_alpha, length_penalty, early_stopping, name1, name2, context, check, chat_prompt_size, picture=None):
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for _history in chatbot_wrapper(text, tokens, do_sample, max_new_tokens, temperature, top_p, typical_p, repetition_penalty, top_k, min_length, no_repeat_ngram_size, num_beams, penalty_alpha, length_penalty, early_stopping, name1, name2, context, check, chat_prompt_size, picture):
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yield generate_chat_html(_history, name1, name2, character)
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def regenerate_wrapper(text, tokens, do_sample, max_new_tokens, temperature, top_p, typical_p, repetition_penalty, top_k, min_length, no_repeat_ngram_size, num_beams, penalty_alpha, length_penalty, early_stopping, name1, name2, context, check, chat_prompt_size, picture=None):
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if character is not None and len(history['visible']) == 1:
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if shared.args.cai_chat:
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yield generate_chat_html(history['visible'], name1, name2, character)
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else:
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yield history['visible']
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else:
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last_visible = history['visible'].pop()
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last_internal = history['internal'].pop()
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for _history in chatbot_wrapper(last_internal[0], tokens, do_sample, max_new_tokens, temperature, top_p, typical_p, repetition_penalty, top_k, min_length, no_repeat_ngram_size, num_beams, penalty_alpha, length_penalty, early_stopping, name1, name2, context, check, chat_prompt_size, picture):
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if shared.args.cai_chat:
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history['visible'][-1] = [last_visible[0], _history[-1][1]]
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yield generate_chat_html(history['visible'], name1, name2, character)
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else:
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history['visible'][-1] = (last_visible[0], _history[-1][1])
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yield history['visible']
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def remove_last_message(name1, name2):
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if not 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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if shared.args.cai_chat:
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return generate_chat_html(history['visible'], name1, name2, character), last[0]
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else:
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return history['visible'], last[0]
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def send_last_reply_to_input():
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if len(history['internal']) > 0:
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return history['internal'][-1][1]
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else:
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return ''
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def replace_last_reply(text, name1, name2):
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if len(history['visible']) > 0:
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if shared.args.cai_chat:
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history['visible'][-1][1] = text
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else:
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history['visible'][-1] = (history['visible'][-1][0], text)
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history['internal'][-1][1] = apply_extensions(text, "input")
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if shared.args.cai_chat:
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return generate_chat_html(history['visible'], name1, name2, character)
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else:
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return history['visible']
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def clear_html():
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return generate_chat_html([], "", "", character)
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def clear_chat_log(_character, name1, name2):
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global history
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if _character != 'None':
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for i in range(len(history['internal'])):
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if '<|BEGIN-VISIBLE-CHAT|>' in history['internal'][i][0]:
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history['visible'] = [['', history['internal'][i][1]]]
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history['internal'] = history['internal'][:i+1]
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break
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else:
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history['internal'] = []
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history['visible'] = []
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if shared.args.cai_chat:
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return generate_chat_html(history['visible'], name1, name2, character)
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else:
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return history['visible']
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def redraw_html(name1, name2):
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global history
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return generate_chat_html(history['visible'], name1, name2, character)
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def tokenize_dialogue(dialogue, name1, name2):
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_history = []
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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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messages = []
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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(f"\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(timestamp=True):
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if timestamp:
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fname = f"{character or ''}{'_' if character else ''}{datetime.now().strftime('%Y%m%d-%H%M%S')}.json"
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else:
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fname = f"{character or ''}{'_' if character else ''}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') as f:
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f.write(json.dumps({'data': history['internal'], 'data_visible': 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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global history
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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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history['internal'] = j['data']
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if 'data_visible' in j:
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history['visible'] = j['data_visible']
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else:
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history['visible'] = copy.deepcopy(history['internal'])
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# Compatibility with Pygmalion AI's official web UI
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elif 'chat' in j:
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history['internal'] = [':'.join(x.split(':')[1:]).strip() for x in j['chat']]
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if len(j['chat']) > 0 and j['chat'][0].startswith(f'{name2}:'):
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history['internal'] = [['<|BEGIN-VISIBLE-CHAT|>', history['internal'][0]]] + [[history['internal'][i], history['internal'][i+1]] for i in range(1, len(history['internal'])-1, 2)]
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history['visible'] = copy.deepcopy(history['internal'])
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history['visible'][0][0] = ''
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else:
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history['internal'] = [[history['internal'][i], history['internal'][i+1]] for i in range(0, len(history['internal'])-1, 2)]
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history['visible'] = copy.deepcopy(history['internal'])
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except:
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history['internal'] = tokenize_dialogue(file, name1, name2)
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history['visible'] = copy.deepcopy(history['internal'])
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def load_character(_character, name1, name2):
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global history, character
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context = ""
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history['internal'] = []
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history['visible'] = []
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if _character != 'None':
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character = _character
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data = json.loads(open(Path(f'characters/{_character}.json'), 'r').read())
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name2 = data['char_name']
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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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if 'example_dialogue' in data and data['example_dialogue'] != '':
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history['internal'] = tokenize_dialogue(data['example_dialogue'], name1, name2)
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if 'char_greeting' in data and len(data['char_greeting'].strip()) > 0:
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history['internal'] += [['<|BEGIN-VISIBLE-CHAT|>', data['char_greeting']]]
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history['visible'] += [['', apply_extensions(data['char_greeting'], "output")]]
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else:
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history['internal'] += [['<|BEGIN-VISIBLE-CHAT|>', "Hello there!"]]
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history['visible'] += [['', "Hello there!"]]
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else:
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character = None
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context = settings['context_pygmalion']
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name2 = settings['name2_pygmalion']
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if Path(f'logs/{character}_persistent.json').exists():
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load_history(open(Path(f'logs/{character}_persistent.json'), 'rb').read(), name1, name2)
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if shared.args.cai_chat:
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return name2, context, generate_chat_html(history['visible'], name1, name2, character)
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else:
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return name2, context, history['visible']
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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)
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outfile_name = data["char_name"]
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i = 1
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while Path(f'characters/{outfile_name}.json').exists():
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outfile_name = f'{data["char_name"]}_{i:03d}'
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i += 1
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if tavern:
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outfile_name = f'TavernAI-{outfile_name}'
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with open(Path(f'characters/{outfile_name}.json'), 'w') as f:
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f.write(json_file)
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if img is not None:
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img = Image.open(io.BytesIO(img))
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img.save(Path(f'characters/{outfile_name}.png'))
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print(f'New character saved to "characters/{outfile_name}.json".')
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return outfile_name
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def upload_tavern_character(img, name1, name2):
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_img = Image.open(io.BytesIO(img))
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_img.getexif()
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decoded_string = base64.b64decode(_img.info['chara'])
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_json = json.loads(decoded_string)
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_json = {"char_name": _json['name'], "char_persona": _json['description'], "char_greeting": _json["first_mes"], "example_dialogue": _json['mes_example'], "world_scenario": _json['scenario']}
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_json['example_dialogue'] = _json['example_dialogue'].replace('{{user}}', name1).replace('{{char}}', _json['char_name'])
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return upload_character(json.dumps(_json), img, tavern=True)
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def upload_your_profile_picture(img):
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img = Image.open(io.BytesIO(img))
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img.save(Path(f'img_me.png'))
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print(f'Profile picture saved to "img_me.png"')
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