ldaptor test using Python 3.6.6 and twisted 19.2.0 and ldaptor 19.0.0

testing_ldaptor.py

from twisted.internet import reactor, defer
from ldaptor.protocols.ldap import ldapclient, ldapsyntax, ldapconnector

@defer.inlineCallbacks
def example():
    # The following arguments may be also specified as unicode strings
    # but it is recommended to use byte strings for ldaptor objects
    serverip = b'ldap.server.com'
    basedn = b'dc=my-company,dc=com'
    binddn = b'LDAP_USERNAME'
    bindpw = b'LDAP_PASSWORD'
    query = b'(cn=Joe)'
    c = ldapconnector.LDAPClientCreator(reactor, ldapclient.LDAPClient)
    overrides = {basedn: (serverip, 389)}
    client = yield c.connect(basedn, overrides=overrides)
    # startTLS fails
    resp = yield client.startTLS()
    yield client.bind(binddn, bindpw)
    o = ldapsyntax.LDAPEntry(client, basedn)
    results = yield o.search(filterText=query)
    for entry in results:
        print(entry.getLDIF())

if __name__ == '__main__':
    df = example()
    df.addErrback(lambda err: err.printTraceback())
    df.addCallback(lambda _: reactor.stop())
    reactor.run()