Usando python-dotenv e .env com pymysql.connect

aula206/main.py

@@ -2,13 +2,18 @@
 # Doc: https://pymysql.readthedocs.io/en/latest/
 # Pypy: https://pypi.org/project/pymysql/
 # GitHub: https://github.com/PyMySQL/PyMySQL
+import os
+
+import dotenv
 import pymysql
 
+dotenv.load_dotenv()
+
 connection = pymysql.connect(
-    host='localhost',
+    host=os.environ['MYSQL_HOST'],
-    user='usuario',
+    user=os.environ['MYSQL_USER'],
-    password='senha',
+    password=os.environ['MYSQL_PASSWORD'],
-    database='base_de_dados',
+    database=os.environ['MYSQL_DATABASE'],
 )
 
 with connection: