Files
OpenBB/discordbot/stocks/technical_analysis/cci.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

107 lines
3.6 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 cci_command(ctx, ticker="", length="14", scalar="0.015", start="", end=""):
"""Displays chart with commodity channel index [Yahoo Finance]"""
try:
# Debug
if cfg.DEBUG:
print(f"!stocks.ta.cci {ticker} {length} {scalar} {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 length.lstrip("-").isnumeric():
raise Exception("Number has to be an integer")
length = float(length)
if not scalar.lstrip("-").isnumeric():
raise Exception("Number has to be an integer")
scalar = float(scalar)
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.cci("1440min", df_stock, length, scalar)
fig, axes = plt.subplots(2, 1, figsize=plot_autoscale(), dpi=PLOT_DPI)
ax = axes[0]
ax.set_title(f"{ticker} CCI")
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.values, "b", lw=2)
ax2.set_xlim(df_stock.index[0], df_stock.index[-1])
ax2.axhspan(100, plt.gca().get_ylim()[1], facecolor="r", alpha=0.2)
ax2.axhspan(plt.gca().get_ylim()[0], -100, facecolor="g", alpha=0.2)
ax2.axhline(100, linewidth=3, color="r", ls="--")
ax2.axhline(-100, linewidth=3, color="g", ls="--")
ax2.grid(b=True, which="major", color="#666666", linestyle="-")
ax3 = ax2.twinx()
ax3.set_ylim(ax2.get_ylim())
ax3.set_yticks([-100, 100])
ax3.set_yticklabels(["OVERSOLD", "OVERBOUGHT"])
plt.gcf().autofmt_xdate()
fig.tight_layout(pad=1)
plt.savefig("ta_cci.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: Commodity-Channel-Index " + 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_cci.png")
await ctx.send(embed=embed)
except Exception as e:
embed = discord.Embed(
title="ERROR Stocks: Commodity-Channel-Index",
colour=cfg.COLOR,
description=e,
)
embed.set_author(
name=cfg.AUTHOR_NAME,
icon_url=cfg.AUTHOR_ICON_URL,
)
await ctx.send(embed=embed)