import pandas as pd
import mysql.connector as sql
import db_config as config

# Functions
def mysql_con(host, database, user, password):
  return sql.connect(host=host, database=database, user=user, password=password)

# Credentials
credentials_dict = {'host': config.host, 'database': 'database_name', 'user': config.user, 'password': config.password}

# Read
with open('my_query.sql', 'r') as f:
    df = pd.read_sql(f.read(), con=mysql_con(**credentials_dict))