add environment variable support for configuration

.gitignore

@@ -1,4 +1,5 @@
 datetime.json
+.env
 
 # ---> Python
 # Byte-compiled / optimized / DLL files

main.py

@@ -1,19 +1,23 @@
 import json
+import os
 from datetime import datetime, timedelta
 
 import pyodbc
 import requests
 from bs4 import BeautifulSoup
 
+from dotenv import load_dotenv
+load_dotenv() # take environment variables from .env.
 
-messageTo = {'sam': '331491581', 'is': '-1001637207513'}
+messageTo = os.getenv('MESSAGE_IS')
 driverFrom = {'lxc': '/opt/microsoft/msodbcsql18/lib64/libmsodbcsql-18.0.so.1.1', 'windows': '{ODBC Driver 17 for SQL Server}'}
 
+bot_token = os.getenv('TELEGRAM_BOT_TOKEN')
 
-server = 'sis.ustu\SQLEXPRESS'
-database = 'DepartmentDatabaseContext'
-username = 'tgbot'
-password = 'kafISbot'
+server = os.getenv('DB_SERVER')
+database = os.getenv('DB_DATABASE')
+username = os.getenv('DB_USERNAME')
+password = os.getenv('DB_PASSWORD')
 cnxn = pyodbc.connect(
     'DRIVER=' + driverFrom.get('lxc') + ';SERVER=' + server + ';' +
     'DATABASE=' + database + ';UID=' + username + ';PWD=' + password + ';Encrypt=no')
@@ -39,8 +43,9 @@ def main():
             textNews = textNews[:3000] + '...'
         params = {'chat_id': messageTo.get('is'),
                   'text': f'{row[1]}\n{textNews}\nhttp://is.ulstu.ru/News/ShowNews/{row[0]}'}
-        requests.get('https://api.telegram.org/bot5567223643:AAG6DYNUNq7BNqm7-pI2p-SdvEmAKielViE/sendMessage',
+        requests.get(f'https://api.telegram.org/bot{bot_token}/sendMessage',
                      params=params)
+
         date = row[3]
         row = cursor.fetchone()
 

requirements.txt

@@ -1,3 +1,4 @@
 bs4
 pyodbc
 requests
+python-dotenv