add universal for many periods
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parent
9a211a4748
commit
2475e22c1a
68
app.py
68
app.py
@ -17,8 +17,7 @@ def update_data():
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train_model()
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def get_eth_inference():
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"""Load model and predict current price."""
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def get_inference(token, period):
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try:
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with open(model_file_path, "rb") as f:
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loaded_model = pickle.load(f)
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@ -27,41 +26,56 @@ def get_eth_inference():
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price_data = pd.read_csv(training_price_data_path)
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# Используем последние значения признаков для предсказания
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X_new = (
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price_data[
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last_row = price_data.iloc[-1]
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# Получаем последний timestamp
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last_timestamp = last_row["timestamp"]
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# Преобразуем период в секунды (пример)
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period_seconds = convert_period_to_seconds(period)
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# Рассчитываем новый временной штамп на основе периода
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new_timestamp = last_timestamp + period_seconds
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# timestamp
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X_new = np.array(
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[
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"timestamp",
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"price_diff",
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"volatility",
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"volume",
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"moving_avg_7",
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"moving_avg_30",
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new_timestamp,
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last_row["price_diff"],
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last_row["volatility"],
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last_row["volume"],
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last_row["moving_avg_7"],
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last_row["moving_avg_30"],
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]
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]
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.iloc[-1]
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.values.reshape(1, -1)
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)
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).reshape(1, -1)
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# Делаем предсказание
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current_price_pred = loaded_model.predict(X_new)
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# Предсказание
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future_price_pred = loaded_model.predict(X_new)
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return future_price_pred[0]
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return current_price_pred[0]
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except Exception as e:
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print(f"Error during inference: {str(e)}")
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raise
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@app.route("/inference/<string:token>")
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def generate_inference(token):
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"""Generate inference for given token."""
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if not token or token != "ETH":
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error_msg = "Token is required" if not token else "Token not supported"
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return Response(
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json.dumps({"error": error_msg}), status=400, mimetype="application/json"
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)
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def convert_period_to_seconds(period):
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"""Конвертируем период в секунды."""
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if period.endswith("min"):
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return int(period[:-3]) * 60
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elif period.endswith("h"):
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return int(period[:-1]) * 3600
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elif period.endswith("d"):
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return int(period[:-1]) * 86400
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else:
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raise ValueError(f"Unknown period format: {period}")
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@app.route("/inference/<string:token>/<string:period>")
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def generate_inference(token, period):
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"""Generate inference for given token and period."""
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try:
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inference = get_eth_inference()
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inference = get_inference(token, period)
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return Response(str(inference), status=200)
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except Exception as e:
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return Response(
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@ -81,4 +95,4 @@ def update():
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if __name__ == "__main__":
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update_data()
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app.run(host="0.0.0.0", port=8000)
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app.run(host="0.0.0.0", port=8127)
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44
model.py
44
model.py
@ -3,7 +3,7 @@ import pickle
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import numpy as np
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from xgboost import XGBRegressor
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from zipfile import ZipFile
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from datetime import datetime
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from datetime import datetime, timedelta
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import pandas as pd
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from sklearn.model_selection import train_test_split
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from updater import download_binance_monthly_data, download_binance_daily_data
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@ -16,7 +16,7 @@ training_price_data_path = os.path.join(data_base_path, "eth_price_data.csv")
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def download_data():
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cm_or_um = "um"
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symbols = ["ETHUSDT"]
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intervals = ["1d"]
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intervals = ["10min"]
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years = ["2020", "2021", "2022", "2023", "2024"]
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months = ["01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11", "12"]
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download_path = binance_data_path
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@ -104,10 +104,8 @@ def train_model():
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model.fit(x_train, y_train)
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print("Model trained.")
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# create the model's parent directory if it doesn't exist
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os.makedirs(os.path.dirname(model_file_path), exist_ok=True)
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# Save the trained model to a file
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with open(model_file_path, "wb") as f:
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pickle.dump(model, f)
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@ -116,3 +114,41 @@ def train_model():
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# Optional: Оценка модели
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y_pred = model.predict(x_test)
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print(f"Mean Absolute Error: {np.mean(np.abs(y_test - y_pred))}")
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def get_inference_data(token, period):
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"""
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Генерирует данные для инференса на основе переданного токена и периода.
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"""
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price_data = pd.read_csv(training_price_data_path)
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# Настроить разницу времени в зависимости от периода
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time_delta_map = {
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"1min": timedelta(minutes=1),
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"5min": timedelta(minutes(5)),
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"10min": timedelta(minutes(10)),
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"30min": timedelta(minutes(30)),
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"1h": timedelta(hours=1),
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"1d": timedelta(days=1),
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}
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# Получаем последний таймстамп и вычисляем следующий
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last_timestamp = pd.to_datetime(price_data["timestamp"].iloc[-1], unit="s")
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next_timestamp = last_timestamp + time_delta_map.get(period, timedelta(minutes=10))
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# Используем последние значения признаков
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last_data = price_data.iloc[-1]
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X_new = np.array(
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[
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[
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next_timestamp.timestamp(),
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last_data["price_diff"],
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last_data["volatility"],
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last_data["volume"],
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last_data["moving_avg_7"],
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last_data["moving_avg_30"],
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]
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]
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)
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return X_new
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