Update 'slovak_punction2.py'

slovak_punction2.py

@@ -1,54 +1,201 @@
-# -*- coding: utf-8 -*-
+# coding: utf-8 
 
+def convert(text, indices, vals, puns):
+    # Zabezpecenei aby sa text nezmenil vytovrenim noveho zoznamu
+    modified_text = text
+
+    
+    for val, i in zip(vals, indices):
+        # Pridanie zodpovedajucej interpunkcie v upravenom texte
+        modified_text.insert(val, puns[i - 1])
+
+    
+    return modified_text
+
+# kniznice
 from transformers import RobertaTokenizer, RobertaForMaskedLM
-
+from transformers import DataCollatorForLanguageModeling
+#maskovacei modely 
 tokenizer = RobertaTokenizer.from_pretrained('gerulata/slovakbert')
 model = RobertaForMaskedLM.from_pretrained('gerulata/slovakbert')
 
 import torch
+
 import nltk
-from nltk.tokenize import word_tokenize ,sent_tokenize
+from nltk.tokenize import word_tokenize, sent_tokenize
+
+# importovanie modulu pre manipuláciu s textom
 import re
 
-nltk.download('punkt')
+# Stiahnutie obsahu tokenizerov
+# nltk.download('punkt')
 
-input="ako sa voláš"
+# Importovanie kniznic a modulov
+from transformers import DataCollatorForLanguageModeling, AdamW
+from torch.utils.data import DataLoader
+from nltk.tokenize import sent_tokenize
 
-def restore_pun(text):
-  words=nltk.word_tokenize(text )
-  for i in range (1,len(words)):
-    current=words[i]
-    if words[i] not in ['.', '!', ',', ':', '?', '-', ";"]:
-      words[i] +=" <mask>"
-      current_pun="no"
-    else :
-      current_pun=words[i]
-      words[i]=" <mask>"
-      current_pun=words[i]
-    x=" ".join(words)
+def fine_tuning(texts, model, tokenizer):
+    # Kontrola textu či je spravna
+    if len(texts) == 0:
+        return model
 
-    encoded_input = tokenizer(x, return_tensors='pt')
-    output = model(**encoded_input)
-    mask_token_index = torch.where(encoded_input["input_ids"][0] == tokenizer.mask_token_id)[0]
+    # Spracovanie textu
+    def preprocess_for_punctuation(texts):
+        processed_texts = []
+        for text in texts:
+            # Maskovanie interpunkcie pomocou tokenov
+            text = re.sub(r'[.,?!:-]', '[MASK]', text)
+            processed_texts.append(text)
+        return processed_texts
 
-  # Extract the logits for the masked token
-    mask_token_logits = output.logits[0, mask_token_index, :]
+    # Aplikuje spracovanie na vstupne texty
+    texts = preprocess_for_punctuation(texts)
 
-  # Find the token with the highest probability
-    predicted_token_id = torch.argmax(mask_token_logits).item()
-    predicted_token = tokenizer.decode([predicted_token_id])
+    # Tokenizuje a encoduje spravoané texty
+    encodings = tokenizer(texts, truncation=True, padding='max_length', max_length=512)
 
-    if current_pun=="no" and predicted_token in ['.', '!', ',', ':', '?', '-', ";"] :
-      words[i]=current+ predicted_token
-    elif  current_pun!="no" and predicted_token in ['.', '!', ',', ':', '?', '-', ";"]  :
-      words[i]= predicted_token
-    else :
-      words[i]=current
-  out=" ".join(words)
-  return out
+    # Definicia vlastneho datasetu
+    class MLM_Dataset(torch.utils.data.Dataset):
+        def __init__(self, encodings):
+            self.encodings = encodings
 
-import nltk
-nltk.download('punkt')
+        def __len__(self):
+            return len(self.encodings['input_ids'])
 
-print("input : "  , input)
-print ("output :" ,restore_pun(input))
+        def __getitem__(self, idx):
+            return {key: torch.tensor(val[idx]) for key, val in self.encodings.items()}
+
+    # Vytvorenie valstneho datasetu
+    dataset = MLM_Dataset(encodings)
+
+    # Vytvorenie dat pre MLM
+    data_collator = DataCollatorForLanguageModeling(tokenizer=tokenizer, mlm=True, mlm_probability=0.15)
+
+    # Vytvorenie DataLoader pre trenovanie modelu 
+    dataloader = DataLoader(dataset, batch_size=16, shuffle=True, collate_fn=data_collator)
+
+    # Optimalizaotr pre trenovanie
+    optimizer = AdamW(model.parameters(), lr=5e-5)
+
+    # Nastavenie epoch na trenovanie
+    epochs = 1
+
+    print("Zaciatok trenovania modelu...")
+    # Trenovanie
+    for epoch in range(epochs):
+        model.train()
+        for batch in dataloader:
+            # Vynuluje pred spätným prechodom
+            optimizer.zero_grad()
+            # Presunutie vstupov
+            inputs = {k: v.to(model.device) for k, v in batch.items()}
+            outputs = model(**inputs)
+            loss = outputs.loss
+            loss.backward()
+            optimizer.step()
+
+    print("Ucenie dokoncene.")
+
+    # Vratenie sa k modelu
+    return model
+
+
+
+# Obnovenie interpunkcie
+def restore_pun(text, model):
+    # Tokenizacia vstupného textu
+    words = nltk.word_tokenize(text)
+
+    # Opakovanie slov
+    for i in range(1, len(words)):
+        current = words[i]
+
+        # Rozpoznáva ci dane slovo ma mat interpunkciu alebo nie
+        if current not in [".", ",", "?", "!" ,":","-"]:
+            words[i] += " <mask>"
+            current_pun = "no"
+        else:
+            current_pun = current
+            words[i] = " <mask>"
+
+        # Spojenie slov do retazca
+        x = " ".join(words)
+
+        # Encodovanie vstupu pomocou tokenizera
+        encoded_input = tokenizer(x, return_tensors='pt')
+
+        # vystup cez encode
+        output = model(**encoded_input)
+
+        # najdenie indexu maskovaneho tokenu vo vstupe
+        mask_token_index = torch.where(encoded_input["input_ids"][0] == tokenizer.mask_token_id)[0]
+
+        mask_token_logits = output.logits[0, mask_token_index, :]
+
+        # Najdenie tokeu s najvecsou pravdepodobnostou
+        predicted_token_id = torch.argmax(mask_token_logits).item()
+        predicted_token = tokenizer.decode([predicted_token_id])
+
+        # Aktualizuje slovo na zaklade tokenu
+        if current_pun == "no" and predicted_token in ['.', ',', '?' , '!',':' ,'-' ]:
+            words[i] = current + predicted_token
+        elif current_pun != "no" and predicted_token in ['.', ',', '?' , '!',':' ,'-' ]:
+            words[i] = predicted_token
+        else:
+            words[i] = current
+
+    # Spojenie slov do reťazca s vysledkom
+    out = " ".join(words)
+    return out
+
+# Vybranie co chceme s programom robit
+while True:
+    option = input('1=> Ucenie programu 2=> Oprava interpunkcie v texte 3=> koniec programu ')
+
+    #1 Trenovanie
+    if option == '1':
+        file_path = input('Zadajte subor s datami')
+
+        # importovanie json
+        import json
+
+        # Cita a analyzuje kazdy riadok ako samsotatny json objekt
+        json_objects = []
+        with open(file_path, 'r') as file:
+            for line in file:
+                try:
+                    json_object = json.loads(line)
+                    json_objects.append(json_object)
+                except json.JSONDecodeError:
+                    continue
+
+        # Definovanie interpunkcie na trenovanie
+        puns = ['.', ',', '?', '!', ':', '-']
+
+        # Spracovanie a ucenie
+        texts = []
+        for i in range(len(json_objects)):
+            indices = [value for index, value in enumerate(json_objects[i]['labels']) if value > 0]
+            val = [index for index, value in enumerate(json_objects[0]['labels']) if value > 0]
+
+            # Uprava textu
+            json_objects[i]['text'] = convert(json_objects[i]['text'], indices, val, puns)
+
+            # Pridanie upraveneho textu d ozoznamu
+            texts.append(" ".join(json_objects[i]['text']))
+
+        # doladovanie modelu
+        model = fine_tuning(texts[:], model, tokenizer)
+
+    #2: Oprava interpunkciet
+    elif option == '2':
+        # Vlozenie textu bez interpunkcie alebo so zlou interpunkciou
+        test = input('Enter your text: ')
+
+        # Vypisanie textu 
+        print("Output:", restore_pun(test, model))
+
+    #3: Ukoncenei programu
+    else:
+        break