mirror of
https://github.com/OpenBB-finance/OpenBB.git
synced 2026-10-29 05:21:48 +00:00
113 lines
3.6 KiB
Python
113 lines
3.6 KiB
Python
import os
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from datetime import datetime, timedelta
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import discord
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from matplotlib import pyplot as plt
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from gamestonk_terminal.helper_funcs import plot_autoscale
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from gamestonk_terminal.common.technical_analysis import volatility_model
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from gamestonk_terminal.config_plot import PLOT_DPI
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import discordbot.config_discordbot as cfg
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from discordbot.run_discordbot import gst_imgur
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import discordbot.helpers
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async def donchian_command(
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ctx, ticker="", upper_length="25", lower_length="100", start="", end=""
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):
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"""Displays chart with donchian channel [Yahoo Finance]"""
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try:
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# Debug
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if cfg.DEBUG:
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print(
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f"!stocks.ta.donchian {ticker} {upper_length} {lower_length} {start} {end}"
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)
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# Check for argument
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if ticker == "":
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raise Exception("Stock ticker is required")
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if start == "":
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start = datetime.now() - timedelta(days=365)
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else:
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start = datetime.strptime(start, cfg.DATE_FORMAT)
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if end == "":
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end = datetime.now()
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else:
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end = datetime.strptime(end, cfg.DATE_FORMAT)
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if not upper_length.lstrip("-").isnumeric():
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raise Exception("Number has to be an integer")
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upper_length = float(upper_length)
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if not lower_length.lstrip("-").isnumeric():
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raise Exception("Number has to be an integer")
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lower_length = float(lower_length)
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ticker = ticker.upper()
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df_stock = discordbot.helpers.load(ticker, start)
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if df_stock.empty:
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raise Exception("Stock ticker is invalid")
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# Retrieve Data
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df_stock = df_stock.loc[(df_stock.index >= start) & (df_stock.index < end)]
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df_ta = volatility_model.donchian(df_stock, upper_length, lower_length)
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# Output Data
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fig, ax = plt.subplots(figsize=plot_autoscale(), dpi=PLOT_DPI)
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ax.plot(df_stock.index, df_stock["Adj Close"].values, color="k", lw=3)
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ax.plot(df_ta.index, df_ta.iloc[:, 0].values, "b", lw=1.5, label="upper")
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ax.plot(df_ta.index, df_ta.iloc[:, 1].values, "b", lw=1.5, ls="--")
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ax.plot(df_ta.index, df_ta.iloc[:, 2].values, "b", lw=1.5, label="lower")
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ax.set_title(f"{ticker} donchian")
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ax.set_xlim(df_stock.index[0], df_stock.index[-1])
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ax.set_xlabel("Time")
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ax.set_ylabel("Price ($)")
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ax.legend([ticker, df_ta.columns[0], df_ta.columns[1], df_ta.columns[2]])
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ax.fill_between(
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df_ta.index,
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df_ta.iloc[:, 0].values,
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df_ta.iloc[:, 2].values,
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alpha=0.1,
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color="b",
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)
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ax.grid(b=True, which="major", color="#666666", linestyle="-")
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plt.gcf().autofmt_xdate()
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fig.tight_layout(pad=1)
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plt.legend()
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plt.savefig("ta_donchian.png")
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uploaded_image = gst_imgur.upload_image("ta_donchian.png", title="something")
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image_link = uploaded_image.link
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if cfg.DEBUG:
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print(f"Image URL: {image_link}")
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title = "Stocks: Donchian-Channels " + ticker
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embed = discord.Embed(title=title, colour=cfg.COLOR)
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embed.set_author(
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name=cfg.AUTHOR_NAME,
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icon_url=cfg.AUTHOR_ICON_URL,
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)
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embed.set_image(url=image_link)
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os.remove("ta_donchian.png")
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await ctx.send(embed=embed)
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except Exception as e:
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embed = discord.Embed(
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title="ERROR Stocks: Donchian-Channels",
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colour=cfg.COLOR,
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description=e,
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)
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embed.set_author(
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name=cfg.AUTHOR_NAME,
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icon_url=cfg.AUTHOR_ICON_URL,
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)
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await ctx.send(embed=embed)
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