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6a92f1f
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Parent(s):
97c4c9c
إضافة ملف التدريب ومكتباته
Browse files- requirements.txt +3 -2
- train.py +105 -0
requirements.txt
CHANGED
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transformers==4.35.2
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torch==2.1.1
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gradio==4.
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datasets==2.15.0
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scikit-learn==1.2.2
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numpy==1.26.2
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regex==2023.10.3
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transformers==4.35.2
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torch==2.1.1
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gradio==4.13.0
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datasets==2.15.0
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numpy==1.26.2
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regex==2023.10.3
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scikit-learn==1.3.2
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tensorboard==2.15.1
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train.py
ADDED
@@ -0,0 +1,105 @@
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import torch
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from transformers import AutoTokenizer, AutoModelForSequenceClassification, TrainingArguments, Trainer
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from datasets import load_dataset, Dataset
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import numpy as np
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from sklearn.metrics import accuracy_score, precision_recall_fscore_support
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def compute_metrics(pred):
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labels = pred.label_ids
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preds = pred.predictions.argmax(-1)
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precision, recall, f1, _ = precision_recall_fscore_support(labels, preds, average='weighted')
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acc = accuracy_score(labels, preds)
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return {
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'accuracy': acc,
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'f1': f1,
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'precision': precision,
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'recall': recall
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}
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class ArabicTextTrainer:
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def __init__(self, model_name="CAMeL-Lab/bert-base-arabic-camelbert-msa", num_labels=3):
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self.tokenizer = AutoTokenizer.from_pretrained(model_name)
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self.model = AutoModelForSequenceClassification.from_pretrained(model_name, num_labels=num_labels)
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self.device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
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self.model.to(self.device)
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def tokenize_data(self, examples):
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return self.tokenizer(
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examples['text'],
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padding='max_length',
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truncation=True,
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max_length=128
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)
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def prepare_dataset(self, dataset):
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tokenized_dataset = dataset.map(self.tokenize_data, batched=True)
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tokenized_dataset = tokenized_dataset.remove_columns(['text'])
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tokenized_dataset = tokenized_dataset.rename_column('label', 'labels')
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tokenized_dataset.set_format('torch')
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return tokenized_dataset
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def train(self, train_dataset, eval_dataset=None, output_dir="./results", num_train_epochs=3):
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training_args = TrainingArguments(
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output_dir=output_dir,
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num_train_epochs=num_train_epochs,
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per_device_train_batch_size=16,
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per_device_eval_batch_size=16,
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warmup_steps=500,
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weight_decay=0.01,
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logging_dir='./logs',
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logging_steps=10,
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evaluation_strategy="epoch" if eval_dataset else "no",
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save_strategy="epoch",
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load_best_model_at_end=True if eval_dataset else False,
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)
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trainer = Trainer(
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model=self.model,
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args=training_args,
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train_dataset=train_dataset,
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eval_dataset=eval_dataset,
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compute_metrics=compute_metrics,
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)
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print("بدء التدريب...")
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trainer.train()
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if eval_dataset:
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print("تقييم النموذج...")
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results = trainer.evaluate()
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print(f"نتائج التقييم: {results}")
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print("حفظ النموذج...")
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self.model.save_pretrained(output_dir)
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self.tokenizer.save_pretrained(output_dir)
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print("تم حفظ النموذج بنجاح!")
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def main():
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# مثال على كيفية استخدام المدرب
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# يمكنك تغيير مجموعة البيانات حسب احتياجاتك
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print("تحميل مجموعة البيانات...")
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# مثال على تحميل مجموعة بيانات من Hugging Face
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# dataset = load_dataset("arabic_dataset_name")
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# أو إنشاء مجموعة بيانات من قائمة
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example_data = {
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'text': ["نص إيجابي", "نص محايد", "نص سلبي"],
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'label': [2, 1, 0] # 2: إيجابي، 1: محايد، 0: سلبي
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}
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dataset = Dataset.from_dict(example_data)
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# تقسيم البيانات إلى مجموعتي تدريب واختبار
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dataset = dataset.train_test_split(test_size=0.2)
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trainer = ArabicTextTrainer()
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# تجهيز البيانات
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train_dataset = trainer.prepare_dataset(dataset['train'])
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eval_dataset = trainer.prepare_dataset(dataset['test'])
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# بدء التدريب
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trainer.train(train_dataset, eval_dataset)
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if __name__ == "__main__":
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main()
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