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"""module contains all db related stuff"""
from typing import Tuple
from urllib.parse import urlparse
import MySQLdb as mdb
from gn3.settings import SQL_URI
def parse_db_url() -> Tuple:
"""function to parse SQL_URI env variable note:there\
is a default value for SQL_URI so a tuple result is\
always expected"""
parsed_db = urlparse(SQL_URI)
return (
parsed_db.hostname, parsed_db.username, parsed_db.password,
parsed_db.path[1:], parsed_db.port)
def database_connector() -> mdb.Connection:
"""function to create db connector"""
host, user, passwd, db_name, db_port = parse_db_url()
return mdb.connect(host, user, passwd, db_name, port=(db_port or 3306))
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