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Update docs/Extensions.md

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oobabooga 2023-06-27 22:25:05 -03:00
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docs/Extensions.md
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@ -136,7 +136,7 @@ Note that in chat mode, this function must only return the new text, whereas in
```python ```python
import datetime import datetime
def custom_generate_reply(question, original_question, seed, state, eos_token, stopping_strings): def custom_generate_reply(question, original_question, seed, state, stopping_strings):
cumulative = '' cumulative = ''
for i in range(10): for i in range(10):
cumulative += f"Counting: {i}...\n" cumulative += f"Counting: {i}...\n"
@ -151,67 +151,11 @@ def custom_generate_reply(question, original_question, seed, state, eos_token, s
Below is an extension that just reproduces the default prompt generator in `modules/chat.py`. You can modify it freely to come up with your own prompts in chat mode. Below is an extension that just reproduces the default prompt generator in `modules/chat.py`. You can modify it freely to come up with your own prompts in chat mode.
```python ```python
from modules import chat
def custom_generate_chat_prompt(user_input, state, **kwargs): def custom_generate_chat_prompt(user_input, state, **kwargs):
impersonate = kwargs['impersonate'] if 'impersonate' in kwargs else False
_continue = kwargs['_continue'] if '_continue' in kwargs else False # Do something with kwargs['history'] or state
also_return_rows = kwargs['also_return_rows'] if 'also_return_rows' in kwargs else False
is_instruct = state['mode'] == 'instruct'
rows = [state['context'] if is_instruct else f"{state['context'].strip()}\n"]
min_rows = 3
# Finding the maximum prompt size return chat.generate_chat_prompt(user_input, state, **kwargs)
max_length = min(get_max_prompt_length(state), state['chat_prompt_size'])
# Building the turn templates
if 'turn_template' not in state or state['turn_template'] == '':
if is_instruct:
template = '<|user|>\n<|user-message|>\n<|bot|>\n<|bot-message|>\n'
else:
template = '<|user|>: <|user-message|>\n<|bot|>: <|bot-message|>\n'
else:
template = state['turn_template'].replace(r'\n', '\n')
replacements = {
'<|user|>': state['name1'].strip(),
'<|bot|>': state['name2'].strip(),
}
user_turn = replace_all(template.split('<|bot|>')[0], replacements)
bot_turn = replace_all('<|bot|>' + template.split('<|bot|>')[1], replacements)
user_turn_stripped = replace_all(user_turn.split('<|user-message|>')[0], replacements)
bot_turn_stripped = replace_all(bot_turn.split('<|bot-message|>')[0], replacements)
# Building the prompt
i = len(shared.history['internal']) - 1
while i >= 0 and get_encoded_length(''.join(rows)) < max_length:
if _continue and i == len(shared.history['internal']) - 1:
rows.insert(1, bot_turn_stripped + shared.history['internal'][i][1].strip())
else:
rows.insert(1, bot_turn.replace('<|bot-message|>', shared.history['internal'][i][1].strip()))
string = shared.history['internal'][i][0]
if string not in ['', '<|BEGIN-VISIBLE-CHAT|>']:
rows.insert(1, replace_all(user_turn, {'<|user-message|>': string.strip(), '<|round|>': str(i)}))
i -= 1
if impersonate:
min_rows = 2
rows.append(user_turn_stripped.rstrip(' '))
elif not _continue:
# Adding the user message
if len(user_input) > 0:
rows.append(replace_all(user_turn, {'<|user-message|>': user_input.strip(), '<|round|>': str(len(shared.history["internal"]))}))
# Adding the Character prefix
rows.append(apply_extensions("bot_prefix", bot_turn_stripped.rstrip(' ')))
while len(rows) > min_rows and get_encoded_length(''.join(rows)) >= max_length:
rows.pop(1)
prompt = ''.join(rows)
if also_return_rows:
return prompt, rows
else:
return prompt
``` ```