PythonでSlackに気圧情報(BeautifulSoupで取得)をグラフ付きで送りたい(＋Google Spread Sheetで管理したい)

root/
│  .env
│  .env.sample
│  .gitignore
│  app.py
│  ---.json
│  README.md
│  requirements.txt
│
├─api_packages/
│  │  googleItem.py
│  │  slackItem.py
│  │  __init__.py
│
├─data_packages/
│  │  fetchHtml.py
│  │  generateGraph.py
│  │  __init__.py
│
├─imgs/

python=3.8

pip install beautifulsoup4
pip install requests
pip install numpy
pip install matplotlib
pip install python-dotenv
pip install gspread
pip install oauth2client

import requests
from bs4 import BeautifulSoup
import datetime

import re

class HtmlFetcher:
  url = None

  def __init__(self, url):
    self.url = url # 可変にしようとしたが、止めた…

  def fetch_pressure_from_jma(self, search_time = datetime.datetime.now()): # デフォルト引数を取っていますがこれやるとだめ
    url = "調べたいURL"
    try:
      res = requests.get(url)
      soup = BeautifulSoup(res.text, 'html.parser')
      trs = soup.select("div#div_table > table > tr")
      list_time_pressure = []
      for tr in trs:
        tds = tr.select("td")
        if tds[0].get_text().isdigit() and tds[8].get_text().replace('\xa0', ''):
          list_time_pressure.append(
            {
              'time': int(tds[0].get_text()),
              'pressure': tds[8].get_text()
            }
          )
      if len(list_time_pressure) == 0:
        return None
      else:
        date_place_title = soup.select("table#tbl_title td.td_title")[0].get_text()
        year = re.search(r'\d{4}年', date_place_title).group()[0:4]
        month = re.search(r'\d{2}月', date_place_title).group()[0:2]
        day = re.search(r'\d{2}日', date_place_title).group()[0:2]
        place = re.search(r'\s+\D+\Z', date_place_title).group()[1:]
        result = {}

        # if search_time:
          # 指定した時刻に最も近いデータを取得したかった…
          # sorted_time_pressures = sorted(list_time_pressure, key=lambda x: abs(int(search_time.hour - x['time'])))
        # もっとも時間が最近のものを取得
        sorted_time_pressures = sorted(list_time_pressure, key=lambda x:-x['time'])
        result = {
          'data': sorted_time_pressures,
          'info': {'day': day, 'month': month, 'year': year, 'place': place}
        }
        return result
    except Exception as e:
      print(e)
      return False

trs = soup.select("div#div_table > table > tr")

if tds[0].get_text().isdigit() and tds[8].get_text().replace('\xa0', ''):

list_time_pressure = []

date_place_title = soup.select("table#tbl_title td.td_title")[0].get_text()

# 最初の整数4桁は年
# 大化の改新があった645年や未来20000年のデータを取得できないんですが、まあ…
year = re.search(r'\d{4}年', date_place_title).group()[0:4]
month = re.search(r'\d{2}月', date_place_title).group()[0:2]
day = re.search(r'\d{2}日', date_place_title).group()[0:2]
# 一番最後は土地名のようです
place = re.search(r'\s+\D+\Z', date_place_title).group()[1:]

sorted(list_time_pressure, key=lambda x:-x['time'])