How to escape connection string in cx_Oracle SQLAlchemy

How to escape connection string

If database password contains special characters, connection string should be escaped as URLencode:

• NG

create_engine('oracle+cx_oracle://user:$$$$@host/database'))

• OK

create_engine('oracle+cx_oracle://user:%24%24%24%24@host/database')

or

create_engine('oracle+cx_oracle://user:%s@host/database' % urlquote('$$$$'))

References