import ldap3

ldap_conn = ldap3.Connection('ldapserver', raise_exceptions=True,
    auto_bind=True, user='me', password='mypassword')

my_dn = "attrib1=blahblah, ou=org1, dc=dc1, dc=dcroot"

ldap_conn.search(
    search_base=my_dn,
    search_filter= '(????)', # required
    search_scope=ldap3.BASE,
    attributes='*'
)

print ldap_conn.response