makaleChatbotu / yeni_tokenize.py
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from transformers import BertTokenizer
import torch
class TokenizerProcessor:
def __init__(self, tokenizer_name='bert-base-uncased'):
self.tokenizer = BertTokenizer.from_pretrained(tokenizer_name)
"""def tokenize_and_encode(self, input_texts, output_texts, max_length=100):
encoded = self.tokenizer.batch_encode_plus(
text_pair=list(zip(input_texts, output_texts)),
padding='max_length',
truncation=True,
max_length=max_length,
return_attention_mask=True,
return_tensors='pt'
)
return encoded"""
def encode(self,input_texts, output_texts, max_length=512):
return self.tokenizer.encode_plus(
text_pair=list(zip(input_texts, output_texts)),
padding='max_length',
truncation=True, # Token dizisini kısaltır
max_length=max_length,
return_tensors='pt'
)
"""paraphrase = tokenizer.encode_plus(sequence_0, sequence_2, return_tensors="pt")
not_paraphrase = tokenizer.encode_plus(sequence_0, sequence_1, return_tensors="pt")
paraphrase_classification_logits = model(**paraphrase)[0]
not_paraphrase_classification_logits = model(**not_paraphrase)[0]"""
def custom_padding(self, input_ids_list, max_length=100, pad_token_id=0):
padded_inputs = []
for ids in input_ids_list:
if len(ids) < max_length:
padded_ids = ids + [pad_token_id] * (max_length - len(ids))
else:
padded_ids = ids[:max_length]
padded_inputs.append(padded_ids)
return padded_inputs
def pad_and_truncate_pairs(self, input_texts, output_texts, max_length=512):
#input ve output verilerinin uzunluğunu eşitleme
inputs = self.tokenizer(input_texts, padding=False, truncation=False, return_tensors=None)
outputs = self.tokenizer(output_texts, padding=False, truncation=False, return_tensors=None)
input_ids = self.custom_padding(inputs['input_ids'], max_length, self.tokenizer.pad_token_id)
output_ids = self.custom_padding(outputs['input_ids'], max_length, self.tokenizer.pad_token_id)
input_ids_tensor = torch.tensor(input_ids)
output_ids_tensor = torch.tensor(output_ids)
input_attention_mask = (input_ids_tensor != self.tokenizer.pad_token_id).long()
output_attention_mask = (output_ids_tensor != self.tokenizer.pad_token_id).long()
return {
'input_ids': input_ids_tensor,
'input_attention_mask': input_attention_mask,
'output_ids': output_ids_tensor,
'output_attention_mask': output_attention_mask
}