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Browse files- training/train_trenslation.py +55 -55
training/train_trenslation.py
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# voice_translator/training/train_translation.py
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import os
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from datasets import load_dataset, Dataset
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from transformers import (
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MarianTokenizer,
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MarianMTModel,
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Seq2SeqTrainingArguments,
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Seq2SeqTrainer,
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DataCollatorForSeq2Seq,
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)
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MODEL_NAME = "Helsinki-NLP/opus-mt-mul-en"
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OUTPUT_DIR = "./training/outputs/model"
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def train_from_jsonl(file_path):
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# Load dataset
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dataset = load_dataset("json", data_files=file_path, split="train")
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tokenizer = MarianTokenizer.from_pretrained(MODEL_NAME)
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model = MarianMTModel.from_pretrained(MODEL_NAME)
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def preprocess(batch):
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inputs = tokenizer(batch["src"], truncation=True, padding="max_length", max_length=128)
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targets = tokenizer(batch["tgt"], truncation=True, padding="max_length", max_length=128)
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inputs["labels"] = targets["input_ids"]
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return inputs
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tokenized = dataset.map(preprocess, batched=True)
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collator = DataCollatorForSeq2Seq(tokenizer, model=model)
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args = Seq2SeqTrainingArguments(
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output_dir=OUTPUT_DIR,
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evaluation_strategy="no",
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learning_rate=5e-5,
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per_device_train_batch_size=8,
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num_train_epochs=3,
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save_total_limit=1,
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predict_with_generate=True,
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)
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trainer = Seq2SeqTrainer(
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model=model,
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args=args,
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train_dataset=tokenized,
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tokenizer=tokenizer,
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data_collator=collator,
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)
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trainer.train()
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trainer.save_model(OUTPUT_DIR)
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tokenizer.save_pretrained(OUTPUT_DIR)
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return f"✅ Model trained and saved to {OUTPUT_DIR}"
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# voice_translator/training/train_translation.py
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import os
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from datasets import load_dataset, Dataset
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from transformers import (
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MarianTokenizer,
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MarianMTModel,
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Seq2SeqTrainingArguments,
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Seq2SeqTrainer,
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DataCollatorForSeq2Seq,
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)
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MODEL_NAME = "Helsinki-NLP/opus-mt-mul-en"
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OUTPUT_DIR = "./training/outputs/model"
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def train_from_jsonl(file_path):
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# Load dataset
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dataset = load_dataset("json", data_files=file_path, split="train")
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tokenizer = MarianTokenizer.from_pretrained(MODEL_NAME)
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model = MarianMTModel.from_pretrained(MODEL_NAME)
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def preprocess(batch):
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inputs = tokenizer(batch["src"], truncation=True, padding="max_length", max_length=128)
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targets = tokenizer(batch["tgt"], truncation=True, padding="max_length", max_length=128)
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inputs["labels"] = targets["input_ids"]
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return inputs
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tokenized = dataset.map(preprocess, batched=True)
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collator = DataCollatorForSeq2Seq(tokenizer, model=model)
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args = Seq2SeqTrainingArguments(
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output_dir=OUTPUT_DIR,
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evaluation_strategy="no",
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learning_rate=5e-5,
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per_device_train_batch_size=8,
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num_train_epochs=3,
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save_total_limit=1,
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predict_with_generate=True,
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)
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trainer = Seq2SeqTrainer(
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model=model,
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args=args,
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train_dataset=tokenized,
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tokenizer=tokenizer,
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data_collator=collator,
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)
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trainer.train()
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trainer.save_model(OUTPUT_DIR)
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tokenizer.save_pretrained(OUTPUT_DIR)
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return f"✅ Model trained and saved to {OUTPUT_DIR}"
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