app.py

import requests
from flask import Flask, render_template, request, jsonify
from bs4 import BeautifulSoup
import cfscrape
from coinbase.wallet.client import Client
from coinbase.wallet.model import APIObject

app = Flask("__name__")

scraper = cfscrape.create_scraper()
coinbase_API_key = "iZ93LGIfitxMNZ2S"
coinbase_API_secret = "sFI3hfJ0uLnj6nq2zi2t0kUtEaa53p4D"
client = Client(coinbase_API_key, coinbase_API_secret)


def _get_soup(url):
    return BeautifulSoup(scraper.get(url).text, "lxml")


class News_Scraper:
    def __init__(self, keywords):
        self.markup = requests.get(
            "https://economictimes.indiatimes.com/markets/cryptocurrency"
        ).text
        self.keywords = keywords

    def parse(self):
        soup = BeautifulSoup(self.markup, "lxml")
        links = soup.findAll("a", limit=300)
        self.news_links = []
        self.news_linksTexts = []
        for link in links:
            for keyword in self.keywords:
                if keyword in link.text and "?" not in link.text:
                    self.news_links.append(link)
        for link in self.news_links:
            self.news_linksTexts.append(link.text)


@app.route("/")
def home():
    s = News_Scraper(
        [
            "cryptocurrency",
            "crypto",
            "bitcoin",
            "crash",
            "cryptocurrency prices",
            "government",
            "ranks",
            "towards",
            "crash",
            "market",
            "trends",
            "financials",
            "capitalist",
        ]
    )

    news_text_list = []
    news_links_list = []
    s.parse()
    for x in s.news_links:
        news_text_list.append(x.text)
        news_links_list.append("https://economictimes.indiatimes.com" + x["href"])
    news = list(zip(news_text_list, news_links_list))
    return render_template("index.html", news=list(set(news)))


@app.route("/table")
def table_creator():
    return render_template("table.html")


@app.route("/chart")
def chart_creator():
    return render_template("chart.html")


@app.route("/api/table")
def get_cryptos_table():

    table_currency = []
    base_url = "https://finance.yahoo.com/cryptocurrencies?offset=0&count=100"
    soup = _get_soup(base_url)
    currency_rows = soup.select("table tbody tr")
    for td in currency_rows:
        image_icon = "-"
        try:
            image_icon = td.select("img")[0]["src"]
        except Exception:
            pass
        short_name = td.select("td")[0].select("a")[0].text.split("-")[0]
        symbol_name = td.select("td")[1].text.replace(" USD", "")
        price = td.select("td")[2].text
        change = td.select("td")[3].text
        change_percent = td.select("td")[4].text.replace("%", "")
        Market_cap = td.select("td")[5].text

        table_currency_item = {
            "icon": image_icon,
            "symbol": short_name,
            "name": symbol_name,
            "price": price,
            "chg": change,
            "chg_per": change_percent,
            "market_cap": Market_cap,
        }
        table_currency.append(table_currency_item)

    return jsonify(table_currency)


@app.route("/api/chart")
def get_crypto_prices():

    base_url = "https://www.investing.com/crypto/currencies"

    soup = _get_soup(base_url)
    currency_rows = (
        soup.select(
            ".genTbl.openTbl.js-all-crypto-table.mostActiveStockTbl.crossRatesTbl.allCryptoTlb.wideTbl.elpTbl.elp15"
        )[0]
        .select("tbody")[0]
        .select("tr")
    )

    crypto_list = {}

    for crypto in currency_rows[:30]:
        crypto_name = crypto.select(
            ".left.bold.elp.name.cryptoName.first.js-currency-name"
        )[0].text
        crypto_symbol = crypto.select(".left.noWrap.elp.symb.js-currency-symbol")[
            0
        ].text
        crypto_price = crypto.select(".price.js-currency-price")[0].text
        crypto_list[crypto_symbol] = crypto_price

    return jsonify(crypto_list)


@app.route("/api/chart-symbols1")
def get_crypto_symbols1():

    base_url = "https://www.investing.com/crypto/currencies"

    soup = _get_soup(base_url)
    currency_rows = (
        soup.select(
            ".genTbl.openTbl.js-all-crypto-table.mostActiveStockTbl.crossRatesTbl.allCryptoTlb.wideTbl.elpTbl.elp15"
        )[0]
        .select("tbody")[0]
        .select("tr")
    )

    crypto_list = {}

    for crypto in currency_rows[:30]:
        crypto_name = crypto.select(
            ".left.bold.elp.name.cryptoName.first.js-currency-name"
        )[0].text
        crypto_symbol = crypto.select(".left.noWrap.elp.symb.js-currency-symbol")[
            0
        ].text
        crypto_list[crypto_symbol] = crypto_name

    return jsonify(crypto_list)


@app.route("/api/chart-symbols2")
def get_crypto_symbols2():

    base_url = "https://finance.yahoo.com/cryptocurrencies"
    soup = _get_soup(base_url)
    currency_rows = soup.select("table tbody tr")

    crypto_list = {}

    for td in currency_rows:
        short_name = td.select("td")[0].select("a")[0].text.split("-")[0]
        name = td.select("td")[1].text

        crypto_list[short_name] = name

    return jsonify(crypto_list)


@app.route("/api/chart-data1")
def get_crypto_data1():

    base_url = "https://finance.yahoo.com/cryptocurrencies"
    soup = _get_soup(base_url)
    currency_rows = soup.select("table tbody tr")

    crypto_list = {}

    for td in currency_rows:
        symbol = td.select("td")[0].select("img")[0]["src"]
        short_name = td.select("td")[0].select("a")[0].text.split("-")[0]
        name = td.select("td")[1].text
        price = td.select("td")[2].text
        chg = td.select("td")[3].text
        chg_per = td.select("td")[4].text
        market_cap = td.select("td")[5].text

        items = {"name": name, "price": price}

        crypto_list[short_name] = items

    return jsonify(crypto_list)


@app.route("/api/chart-data2")
def get_historic_data():
    input_code = request.args["crypto_name"]
    data = client._make_api_object(
        client._get("v2", "prices", f"{input_code}-USD", "historic"), APIObject
    )

    return jsonify(data)


@app.route("/overview/<crypto_name>")
def crypto_overview(crypto_name):
    return render_template("overview.html")


if __name__ == "__main__":
    app.run(debug=True)