如何在两个数据流PYTHON中连接图表和在线图表的报价？

Posted 2021-04-21

该代码不起作用。一个线程应该从HUOBI.COM网站获得报价。第二个线程应该进行“回调”，并采用一个price_low值来更新图表！我也无法添加第二个price_high行。请帮助

答案

import dash
from dash.dependencies import Output, Event
import dash_core_components as dcc
import dash_html_components as html
import plotly
import random
import plotly.graph_objs as go
from collections import deque


from selenium import webdriver
from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
from time import sleep
from selenium.webdriver.common.action_chains import ActionChains #движение мыши
import threading
from selenium.webdriver.common.by import By
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.common.keys import Keys
import re   # Латинский регистр
import subprocess  # Окрыть файл модуль
import math
import requests
from selenium.webdriver.firefox import options
from selenium.webdriver.firefox import options
from selenium.webdriver.firefox.firefox_binary import FirefoxBinary



price_low=1

X = deque(maxlen=20)
X.append(1)
Y = deque(maxlen=20)
Y.append(price_low)


app = dash.Dash(__name__)
app.layout = html.Div(
    [
        dcc.Graph(id='live-graph', animate=True),
        dcc.Interval(
            id='graph-update',
            interval=1*100
        ),
    ]
)

@app.callback(Output('live-graph', 'figure'),
              events=[Event('graph-update', 'interval')])
def live_grafic():
    X.append(X[-1]+1)
    Y.append(price_low)

    data = plotly.graph_objs.Scatter(
            x=list(X),
            y=list(Y),
            name='Scatter',
            mode= 'lines+markers'
            )

    return {'data': [data],'layout' : go.Layout(xaxis=dict(range=[min(X),max(X)]),
                                                yaxis=dict(range=[min(Y),max(Y)]),)}


def huobi():
    global price_low
    global price_high
    price_low=0
    price_high=0

    login ="[e-mail]"
    password = "3216732167e"

    binary = FirefoxBinary(r"C:\Program Files (x86)\Mozilla Firefox\firefox.exe")
    caps = DesiredCapabilities.FIREFOX.copy()
    print(caps)
    w = webdriver.Firefox(firefox_binary=binary,capabilities=caps, executable_path='C:/geckodriver.exe')

    print("Авторизация HUOBI")
    w.get("https://www.huobi.com/login/")
    sleep(7)
    try:
        w.find_element_by_css_selector("#__layout > div > div.l-main > div > div.layout_container > div > div.el-dialog__wrapper > div > div.el-dialog__body > em").click()
    except:
        print("Huobi START")
    w.get("https://www.huobi.us/markets")
    sleep(6)

    tool = "dash"

    w.find_element_by_css_selector('#__layout > div > div.l-main > div > div.layout_container > div > div > div:nth-child(1) > div.exchange-left.card-radius > div.exchange-left-table.card-radius > div > div.el-card__header > div > div > div > div > div > input').send_keys(tool)
    sleep(1)
    w.find_element_by_css_selector('#__layout > div > div.l-main > div > div.layout_container > div > div > div:nth-child(1) > div.exchange-left.card-radius > div.exchange-left-table.card-radius > div > div.el-card__body > div > div > div.el-table.hb-el-table.el-table--fit.el-table--fluid-height.el-table--enable-row-hover.el-table--enable-row-transition.el-table--mini > div.el-table__body-wrapper.is-scroll-left > table > tbody > tr > td.el-table_1_column_2 > div > span').click()
    sleep(3)

    while True:
        price_high = w.find_element_by_css_selector("#__layout > div > div.l-main > div > div.layout_container > div > div > div:nth-child(2) > div.exchange-right > div > div.el-card__body > div > div > div.exchange_style.card-body.exchange_trade_body > div:nth-child(1) > table > tbody > tr:nth-child(16) > td.out.tl.trade-table-price").text
        price_low = w.find_element_by_css_selector("#__layout > div > div.l-main > div > div.layout_container > div > div > div:nth-child(2) > div.exchange-right > div > div.el-card__body > div > div > div.exchange_style.card-body.exchange_trade_body > div:nth-child(3) > table > tbody > tr:nth-child(1) > td.in.tl.trade-table-price").text
        print("HIGH","   ",price_high,"   LOW  ",price_low)
        sleep(0.1)



t = threading.Thread(target=huobi)
t.start()
t = threading.Thread(target=app.run_server(debug=True))
t.start()