Telegram（テレグラム）上で動くbotをPythonで作ってみた

import requests
import time
import json
from news_file import get_news_from_keyword, get_news_from_topic
import sys

# Saved in local file
import keys

# Get Telegram key, Saved in another file
telegram_key = keys.get_telegram_key()
base_url = 'https://api.telegram.org/bot' + str(telegram_key)

offset = 0

while True:
    try:
        url = base_url + '/getUpdates' + '?timeout=500&offset=' + str(offset)
        res = requests.get(url)
        res.raise_for_status()

        result_json = res.json()

        if 'result' not in result_json:
            print("No 'result' in response")
            time.sleep(1)
            continue

        if len(result_json['result']) == 0:
            continue

        result = result_json['result'][0]
        text = result['message']['text']
        

        # ending operation
        if text.lower() == 'end':
            break

        if text.lower().startswith('keyword'):
            keyword = text.split(' ')[1:]
            keyword = "%20".join(keyword)
            to_send = get_news_from_keyword(keyword)
        
        elif text.lower().startswith('topic'):
            topic = text.split(' ')[1:]
            topic = '%20'.join(topic)
            to_send = get_news_from_topic(topic)
        
        else:
            to_send = '\nニュース取得botの使い方📰\n\n'\
                '関心のあるトピックを"topic Topic_Name"の形式で入力してください。\n'\
                '入力例：『topic bitcoin』 \n\n\n'\
                '特定のキーワードで探したい場合は"keyword key"の形式で入力してください \n'\
                '入力例 : 『keyword telegram』 \n'

        sender = str(result['message']['from']['id'])
        username = result['message']['from'].get('username', 'No username')
        
        monitoring = f"{text} from @{username} (ID: {sender})"
        print(monitoring)
        
        if isinstance(to_send, str):
            reply_url = base_url + '/sendMessage?chat_id=' + str(sender) + '&text=' + str(to_send)
            requests.get(reply_url)
        
        elif isinstance(to_send, list):
            if len(to_send) == 0:
                header = str(text) + 'に関連したニュースは見つかりませんでした🥲'+'\n\n別のキーワードで探してみてください。'
                reply_url = base_url + '/sendMessage?chat_id=' + str(sender) + '&text=' + str(header)
                requests.get(reply_url)
            else:
                header = 'Top ' + str(len(to_send)) + ' results for you'
                reply_url = base_url + '/sendMessage?chat_id=' + str(sender) + '&text=' + str(header)
                requests.get(reply_url)

                for reply in to_send:
                    reply_url = base_url + '/sendMessage?chat_id=' + str(sender) + '&text=' + str(reply)
                    requests.get(reply_url)

        offset = result['update_id'] + 1

    except requests.exceptions.RequestException as e:
        print(f"HTTP error: {e}")
        time.sleep(1)

    except KeyError as e:
        print(f"Key error: {e}")
        time.sleep(1)

    except Exception as e:
        print(f"An unexpected error occurred: {e}")
        time.sleep(1)

import requests
import json

# Saved in local file
import keys


# Get NewsApi Key, Saved in different file
news_api_key = str(keys.get_news_api_key())
headers={'X-Api-Key':news_api_key}


def get_news_from_keyword(keyword):
    news_url = 'https://newsapi.org/v2/everything?language=en&q='+keyword

    response = requests.get(news_url,headers=headers).text
    response = json.loads(response)['articles']
    return_list=[]
    for r in response:
        source=r['source']['name']
        author=r['author']
        title=r['title']
        url=r['url']
        return_list.append('\n\nサイト名: '+str(source)+'\n著者 :'+str(author)+'\n記事タイトル: '+title+'\n\n記事リンク: '+str(url))
    if len(return_list)>3:
        return return_list[:3]

    return return_list

def get_news_from_topic(topic):
    
    news_url = 'https://newsapi.org/v2/everything?language=en&qInTitle='+topic
    response = requests.get(news_url,headers=headers).text
    response = json.loads(response)['articles']

    return_list=[]
    for r in response:
        source=r['source']['name']
        author=r['author']
        title=r['title']
        url=r['url']
        return_list.append('\n\nサイト名: '+str(source)+'\n著者 :'+str(author)+'\n記事タイトル: '+title+'\n\n記事リンク: '+str(url))
    
    if len(return_list)>3:
        return return_list[:3]
    
    return return_list

news_api_key = 'ここにNewsAPIのAPIキーを入力する'
telegram_key = 'ここにBotのトークンを入力する'

def get_news_api_key():
	return news_api_key

def get_telegram_key():
	return telegram_key