Pratik Bhadane
54 lines
1.2 KiB
Python
54 lines
1.2 KiB
Python
"""
|
|
Example plugin: smoothed RSI (SMA of RSI).
|
|
|
|
Run this file to verify the plugin contract:
|
|
python examples/custom_indicator.py
|
|
|
|
Registers "SMOOTH_RSI" and runs it on sample data.
|
|
"""
|
|
|
|
from __future__ import annotations
|
|
|
|
import numpy as np
|
|
|
|
from ferro_ta import RSI, SMA
|
|
from ferro_ta.core.registry import list_indicators, register, run
|
|
|
|
|
|
def smooth_rsi(close, timeperiod=14, smooth=3):
|
|
"""Smoothed RSI: RSI then SMA of the RSI series.
|
|
|
|
Parameters
|
|
----------
|
|
close : array-like
|
|
Close prices.
|
|
timeperiod : int
|
|
RSI period (default 14).
|
|
smooth : int
|
|
SMA period applied to RSI (default 3).
|
|
|
|
Returns
|
|
-------
|
|
numpy.ndarray
|
|
Smoothed RSI values; same length as close.
|
|
"""
|
|
rsi = RSI(close, timeperiod=timeperiod)
|
|
return SMA(rsi, timeperiod=smooth)
|
|
|
|
|
|
def main():
|
|
register("SMOOTH_RSI", smooth_rsi)
|
|
close = np.array(
|
|
[44.34, 44.09, 44.15, 43.61, 44.33, 44.83, 45.10, 45.15, 44.61, 44.33]
|
|
)
|
|
out = run("SMOOTH_RSI", close, timeperiod=5, smooth=2)
|
|
print("SMOOTH_RSI:", out)
|
|
assert "SMOOTH_RSI" in list_indicators(), (
|
|
"SMOOTH_RSI should be in list_indicators()"
|
|
)
|
|
print("OK: plugin registered and run successfully.")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|