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from finetune import generate_prompt
class Prompter(object):
def __init__(self, prompt_type, debug=False, chat=False, stream_output=False, repeat_penalty=True,
allowed_repeat_line_length=10):
self.prompt_type = prompt_type
data_point = dict(instruction='', input='', output='')
_, self.pre_response, self.terminate_response = generate_prompt(data_point, prompt_type, chat, False)
self.debug = debug
self.chat = chat
self.stream_output = stream_output
self.repeat_penalty = repeat_penalty
self.allowed_repeat_line_length = allowed_repeat_line_length
def generate_prompt(self, data_point):
reduced = False
prompt, _, _ = generate_prompt(data_point, self.prompt_type, self.chat, reduced)
if self.debug:
print("prompt: ", prompt, flush=True)
self.prompt = prompt
return prompt
def get_response(self, outputs, prompt=None, sanitize_bot_response=True):
if isinstance(outputs, str):
outputs = [outputs]
if self.debug:
print("output: ", '\n\n'.join(outputs), flush=True)
if prompt is not None:
self.prompt = prompt
def clean_response(response):
meaningless_words = ['<pad>', '</s>', '<|endoftext|>', '”\n']
for word in meaningless_words:
response = response.replace(word, "")
if sanitize_bot_response:
from better_profanity import profanity
response = profanity.censor(response)
response = response.strip("\n")
return response
def clean_repeats(response):
lines = response.split('\n')
new_lines = []
[new_lines.append(line) for line in lines if
line not in new_lines or len(line) < self.allowed_repeat_line_length]
if self.debug and len(lines) != len(new_lines):
print("cleaned repeats: %s %s" % (len(lines), len(new_lines)), flush=True)
response = '\n'.join(new_lines)
return response
multi_output = len(outputs) > 1
for oi, output in enumerate(outputs):
if self.prompt_type in [0, '0', 'plain']:
output = clean_response(output)
else:
# find first instance of prereponse
# prompt sometimes has odd characters, that mutate length,
# so can't go by length alone
if self.pre_response:
outputi = output.find(prompt)
if outputi >= 0:
output = output[outputi + len(prompt):]
allow_terminate = True
else:
# subtraction is risky due to space offsets sometimes, so only do if necessary
output = output[len(prompt) - len(self.pre_response):]
# [1] to avoid repeated pre_response, just take first (after prompt - pre_response for chat)
if self.pre_response in output:
output = output.split(self.pre_response)[1]
allow_terminate = True
else:
print("Failure of parsing: %s" % output, flush=True)
allow_terminate = False
else:
allow_terminate = True
output = output[len(prompt):]
# clean after subtract prompt out, so correct removal of pre_response
output = clean_response(output).strip()
if self.repeat_penalty:
output = clean_repeats(output).strip()
if self.terminate_response and allow_terminate:
finds = []
for term in self.terminate_response:
finds.append(output.find(term))
finds = [x for x in finds if x >= 0]
if len(finds) > 0:
termi = finds[0]
output = output[:termi].strip()
else:
output = output.strip()
else:
output = output.strip()
if multi_output:
# prefix with output counter
output = "\n=========== Output %d\n\n" % (1 + oi) + output
if oi > 0:
# post fix outputs with seperator
output += '\n'
outputs[oi] = output
# join all outputs, only one extra new line between outputs
output = '\n'.join(outputs)
if self.debug:
print("outputclean: ", '\n\n'.join(outputs), flush=True)
return output
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