per this discussion, at least some support has been added
I used sqlalchemy's urlib to make urls: and since url objects do not have a split() method, I cast to string.
connection_url = str(sqlalchemy.engine.URL.create("mssql",database=database, host=servername,
username=username,
password=password,
query = {'driver':'SQL Server'}))
I then used connectorx.read_sql(connection_url, 'select * from sys.databases')
to validate the connection worked.
It worked for my system's sql server authentication database connections but failed to login for Windows Domain Authentication.