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9a211a4748
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9a211a4748 | ||
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14e8c74962 |
36
app.py
36
app.py
@ -4,7 +4,7 @@ import pandas as pd
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import numpy as np
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from datetime import datetime
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from flask import Flask, jsonify, Response
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from model import download_data, format_data, train_model
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from model import download_data, format_data, train_model, training_price_data_path
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from config import model_file_path
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app = Flask(__name__)
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@ -19,14 +19,36 @@ def update_data():
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def get_eth_inference():
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"""Load model and predict current price."""
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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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now_timestamp = pd.Timestamp(datetime.now()).timestamp()
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X_new = np.array([now_timestamp]).reshape(-1, 1)
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# Загружаем последние данные из файла
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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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[
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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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]
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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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# Делаем предсказание
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current_price_pred = loaded_model.predict(X_new)
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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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@ -34,13 +56,17 @@ 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(json.dumps({"error": error_msg}), status=400, mimetype='application/json')
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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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try:
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inference = get_eth_inference()
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return Response(str(inference), status=200)
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except Exception as e:
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return Response(json.dumps({"error": str(e)}), status=500, mimetype='application/json')
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return Response(
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json.dumps({"error": str(e)}), status=500, mimetype="application/json"
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)
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@app.route("/update")
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57
model.py
57
model.py
@ -1,15 +1,14 @@
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import os
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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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import pandas as pd
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import numpy as np
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from sklearn.model_selection import train_test_split
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from sklearn import linear_model
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from updater import download_binance_monthly_data, download_binance_daily_data
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from config import data_base_path, model_file_path
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binance_data_path = os.path.join(data_base_path, "binance/futures-klines")
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training_price_data_path = os.path.join(data_base_path, "eth_price_data.csv")
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@ -35,19 +34,14 @@ def download_data():
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def format_data():
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files = sorted([x for x in os.listdir(binance_data_path)])
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files = sorted([x for x in os.listdir(binance_data_path) if x.endswith(".zip")])
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# No files to process
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if len(files) == 0:
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return
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price_df = pd.DataFrame()
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for file in files:
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zip_file_path = os.path.join(binance_data_path, file)
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if not zip_file_path.endswith(".zip"):
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continue
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myzip = ZipFile(zip_file_path)
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with myzip.open(myzip.filelist[0]) as f:
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line = f.readline()
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@ -70,30 +64,43 @@ def format_data():
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df.index.name = "date"
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price_df = pd.concat([price_df, df])
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price_df["timestamp"] = price_df.index.map(pd.Timestamp.timestamp)
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price_df["price_diff"] = price_df["close"].diff()
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price_df["volatility"] = (price_df["high"] - price_df["low"]) / price_df["open"]
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price_df["volume"] = price_df["volume"]
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price_df["moving_avg_7"] = price_df["close"].rolling(window=7).mean()
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price_df["moving_avg_30"] = price_df["close"].rolling(window=30).mean()
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# Удаляем строки с NaN значениями
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price_df.dropna(inplace=True)
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# Сохраняем данные
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price_df.sort_index().to_csv(training_price_data_path)
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def train_model():
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# Load the eth price data
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price_data = pd.read_csv(training_price_data_path)
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df = pd.DataFrame()
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# Convert 'date' to a numerical value (timestamp) we can use for regression
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df["date"] = pd.to_datetime(price_data["date"])
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df["date"] = df["date"].map(pd.Timestamp.timestamp)
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# Используем дополнительные признаки
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x = price_data[
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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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]
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]
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y = price_data["close"]
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df["price"] = price_data[["open", "close", "high", "low"]].mean(axis=1)
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# Reshape the data to the shape expected by sklearn
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x = df["date"].values.reshape(-1, 1)
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y = df["price"].values.reshape(-1, 1)
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# Split the data into training set and test set
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x_train, _, y_train, _ = train_test_split(x, y, test_size=0.2, random_state=0)
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x_train, x_test, y_train, y_test = train_test_split(
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x, y, test_size=0.2, random_state=0
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)
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# Train the model
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print("Training model...")
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model = linear_model.Lasso(alpha=0.1)
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model = XGBRegressor()
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model.fit(x_train, y_train)
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print("Model trained.")
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@ -105,3 +112,7 @@ def train_model():
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pickle.dump(model, f)
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print(f"Trained model saved to {model_file_path}")
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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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@ -5,3 +5,12 @@ pandas==2.1.3
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Requests==2.32.0
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scikit_learn==1.3.2
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werkzeug>=3.0.3 # not directly required, pinned by Snyk to avoid a vulnerability
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itsdangerous
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Jinja2
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MarkupSafe
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python-dateutil
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pytz
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scipy
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six
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scikit-learn
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xgboost
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