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examples/4_line_indicators/line_indicators.py

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+import pandas as pd
+from lightweight_charts import Chart
+
+
+def calculate_sma(data: pd.DataFrame, period: int = 50):
+    def avg(d: pd.DataFrame):
+        return d['close'].mean()
+    result = []
+    for i in range(period - 1, len(data)):
+        val = avg(data.iloc[i - period + 1:i])
+        result.append({'time': data.iloc[i]['date'], 'value': val})
+    return pd.DataFrame(result)
+
+
+if __name__ == '__main__':
+
+    chart = Chart()
+
+    df = pd.read_csv('ohlcv.csv')
+    chart.set(df)
+
+    line = chart.create_line()
+    sma_data = calculate_sma(df)
+    line.set(sma_data)
+
+    chart.show(block=True)