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Update model_handler.py
Browse files- model_handler.py +5 -8
model_handler.py
CHANGED
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@@ -1,15 +1,13 @@
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import numpy as np
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import torch
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#
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#
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from chronos import
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class ModelHandler:
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def __init__(self):
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# Mengganti model lama dengan Chronos-2
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self.model_name = "amazon/chronos-2"
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self.pipeline = None
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# Penentuan device: "cuda" jika ada GPU, jika tidak "cpu"
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self.device = "cuda" if torch.cuda.is_available() else "cpu"
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self.load_model()
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try:
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print(f"Loading {self.model_name} on {self.device}...")
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#
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self.pipeline = ChronosPipeline.from_pretrained(
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self.model_name,
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device_map=self.device,
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@@ -31,7 +29,7 @@ class ModelHandler:
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self.pipeline = None
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def predict(self, data, horizon=10):
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"""Generate predictions using Chronos-2 or fallback.
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try:
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# Memastikan data valid
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if data is None or not isinstance(data, dict) or 'original' not in data or len(data['original']) < 20:
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@@ -59,7 +57,6 @@ class ModelHandler:
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num_samples=20
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)
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# Mengambil nilai rata-rata (mean) dari semua sampel untuk plot garis tunggal
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mean_predictions = np.mean(predictions_samples, axis=0)
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return mean_predictions
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import numpy as np
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import torch
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# PENTING: Class ini adalah satu-satunya cara yang benar untuk memuat Chronos-2
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# Memerlukan instalasi: git+https://github.com/amazon-science/chronos-forecasting.git
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from chronos import Chronos2Pipeline
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class ModelHandler:
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def __init__(self):
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self.model_name = "amazon/chronos-2"
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self.pipeline = None
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self.device = "cuda" if torch.cuda.is_available() else "cpu"
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self.load_model()
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try:
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print(f"Loading {self.model_name} on {self.device}...")
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# FIX UTAMA: Pemuatan otomatis oleh pipeline
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self.pipeline = ChronosPipeline.from_pretrained(
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self.model_name,
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device_map=self.device,
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self.pipeline = None
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def predict(self, data, horizon=10):
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"""Generate predictions using Chronos-2 or fallback."""
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try:
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# Memastikan data valid
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if data is None or not isinstance(data, dict) or 'original' not in data or len(data['original']) < 20:
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num_samples=20
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)
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mean_predictions = np.mean(predictions_samples, axis=0)
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return mean_predictions
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