Files
OpenBB/discordbot/stocks/technical_analysis/macd.py
Didier Rodrigues Lopes a0a22ee2cf Discordbot Technical Analysis (#1089)
* fix bug with window size on discordbot

* pylint and black fixes

* black linter
2021-12-23 19:25:18 +03:00

115 lines
3.8 KiB
Python

import os
from datetime import datetime, timedelta
import discord
from matplotlib import pyplot as plt
from gamestonk_terminal.helper_funcs import plot_autoscale
from gamestonk_terminal.common.technical_analysis import momentum_model
from gamestonk_terminal.config_plot import PLOT_DPI
import discordbot.config_discordbot as cfg
from discordbot.run_discordbot import gst_imgur
import discordbot.helpers
async def macd_command(
ctx, ticker="", fast="12", slow="26", signal="9", start="", end=""
):
"""Displays chart with moving average convergence/divergence [Yahoo Finance]"""
try:
# Debug
if cfg.DEBUG:
print(f"!stocks.ta.macd {ticker} {fast} {slow} {signal} {start} {end}")
# Check for argument
if ticker == "":
raise Exception("Stock ticker is required")
if start == "":
start = datetime.now() - timedelta(days=365)
else:
start = datetime.strptime(start, cfg.DATE_FORMAT)
if end == "":
end = datetime.now()
else:
end = datetime.strptime(end, cfg.DATE_FORMAT)
if not fast.lstrip("-").isnumeric():
raise Exception("Number has to be an integer")
fast = float(fast)
if not slow.lstrip("-").isnumeric():
raise Exception("Number has to be an integer")
slow = float(slow)
if not signal.lstrip("-").isnumeric():
raise Exception("Number has to be an integer")
signal = float(signal)
ticker = ticker.upper()
df_stock = discordbot.helpers.load(ticker, start)
if df_stock.empty:
raise Exception("Stock ticker is invalid")
# Retrieve Data
df_stock = df_stock.loc[(df_stock.index >= start) & (df_stock.index < end)]
df_ta = momentum_model.macd("1440min", df_stock, fast, slow, signal)
# Output Data
fig, axes = plt.subplots(2, 1, figsize=plot_autoscale(), dpi=PLOT_DPI)
ax = axes[0]
ax.set_title(f"{ticker} MACD")
ax.plot(df_stock.index, df_stock["Adj Close"].values, "k", lw=2)
ax.set_xlim(df_stock.index[0], df_stock.index[-1])
ax.set_ylabel("Share Price ($)")
ax.grid(b=True, which="major", color="#666666", linestyle="-")
ax2 = axes[1]
ax2.plot(df_ta.index, df_ta.iloc[:, 0].values, "b", lw=2)
ax2.plot(df_ta.index, df_ta.iloc[:, 2].values, "r", lw=2)
ax2.bar(df_ta.index, df_ta.iloc[:, 1].values, color="g")
ax2.legend(
[
f"MACD Line {df_ta.columns[0]}",
f"Signal Line {df_ta.columns[2]}",
f"Histogram {df_ta.columns[1]}",
],
loc="upper left",
)
ax2.set_xlim(df_stock.index[0], df_stock.index[-1])
ax2.grid(b=True, which="major", color="#666666", linestyle="-")
plt.gcf().autofmt_xdate()
fig.tight_layout(pad=1)
plt.savefig("ta_macd.png")
uploaded_image = gst_imgur.upload_image("ta_cci.png", title="something")
image_link = uploaded_image.link
if cfg.DEBUG:
print(f"Image URL: {image_link}")
title = "Stocks: Moving-Average-Convergence-Divergence " + ticker
embed = discord.Embed(title=title, colour=cfg.COLOR)
embed.set_author(
name=cfg.AUTHOR_NAME,
icon_url=cfg.AUTHOR_ICON_URL,
)
embed.set_image(url=image_link)
os.remove("ta_macd.png")
await ctx.send(embed=embed)
except Exception as e:
embed = discord.Embed(
title="ERROR Stocks: Moving-Average-Convergence-Divergence",
colour=cfg.COLOR,
description=e,
)
embed.set_author(
name=cfg.AUTHOR_NAME,
icon_url=cfg.AUTHOR_ICON_URL,
)
await ctx.send(embed=embed)