mirror of
https://github.com/OpenBB-finance/OpenBB.git
synced 2026-10-29 05:21:48 +00:00
132 lines
4.0 KiB
Python
132 lines
4.0 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 volatility_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 bbands_command(
|
|
ctx, ticker="", length="5", n_std="2", mamode="sma", start="", end=""
|
|
):
|
|
"""Displays chart with bollinger bands [Yahoo Finance]"""
|
|
|
|
try:
|
|
|
|
# Debug
|
|
if cfg.DEBUG:
|
|
print(f"!stocks.ta.bbands {ticker} {length} {n_std} {mamode} {start} {end}")
|
|
|
|
# Check for argument
|
|
possible_ma = [
|
|
"dema",
|
|
"ema",
|
|
"fwma",
|
|
"hma",
|
|
"linreg",
|
|
"midpoint",
|
|
"pwma",
|
|
"rma",
|
|
"sinwma",
|
|
"sma",
|
|
"swma",
|
|
"t3",
|
|
"tema",
|
|
"trima",
|
|
"vidya",
|
|
"wma",
|
|
"zlma",
|
|
]
|
|
|
|
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 n_std.lstrip("-").isnumeric():
|
|
raise Exception("Number has to be an integer")
|
|
n_std = float(n_std)
|
|
|
|
if mamode not in possible_ma:
|
|
raise Exception("Invalid ma entered")
|
|
|
|
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 = volatility_model.bbands("1440min", df_stock, length, n_std, mamode)
|
|
|
|
# Output Data
|
|
fig, ax = plt.subplots(figsize=plot_autoscale(), dpi=PLOT_DPI)
|
|
ax.plot(df_stock.index, df_stock["Adj Close"].values, color="k", lw=3)
|
|
ax.plot(df_ta.index, df_ta.iloc[:, 0].values, "r", lw=2)
|
|
ax.plot(df_ta.index, df_ta.iloc[:, 1].values, "b", lw=1.5, ls="--")
|
|
ax.plot(df_ta.index, df_ta.iloc[:, 2].values, "g", lw=2)
|
|
ax.set_title(f"{ticker} Bollinger Bands")
|
|
ax.set_xlim(df_stock.index[0], df_stock.index[-1])
|
|
ax.set_xlabel("Time")
|
|
ax.set_ylabel("Share Price ($)")
|
|
|
|
ax.legend([ticker, df_ta.columns[0], df_ta.columns[1], df_ta.columns[2]])
|
|
ax.fill_between(
|
|
df_ta.index,
|
|
df_ta.iloc[:, 0].values,
|
|
df_ta.iloc[:, 2].values,
|
|
alpha=0.1,
|
|
color="b",
|
|
)
|
|
ax.grid(b=True, which="major", color="#666666", linestyle="-")
|
|
|
|
plt.gcf().autofmt_xdate()
|
|
fig.tight_layout(pad=1)
|
|
|
|
plt.savefig("ta_bbands.png")
|
|
uploaded_image = gst_imgur.upload_image("ta_bbands.png", title="something")
|
|
image_link = uploaded_image.link
|
|
if cfg.DEBUG:
|
|
print(f"Image URL: {image_link}")
|
|
title = "Stocks: Bollinger-Bands " + 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_bbands.png")
|
|
|
|
await ctx.send(embed=embed)
|
|
|
|
except Exception as e:
|
|
embed = discord.Embed(
|
|
title="ERROR Stocks: Bollinger-Bands",
|
|
colour=cfg.COLOR,
|
|
description=e,
|
|
)
|
|
embed.set_author(
|
|
name=cfg.AUTHOR_NAME,
|
|
icon_url=cfg.AUTHOR_ICON_URL,
|
|
)
|
|
|
|
await ctx.send(embed=embed)
|