Fixed bug connecting to an IPv6 address with IAM tokens.

Author: anthony-tuininga

doc/src/release_notes.rst

@@ -33,6 +33,7 @@ Thin Mode Changes
 #)  Fixed bug with SQL containing multibyte characters with certain database
     character sets
     (`issue 133 <https://github.com/oracle/python-oracledb/issues/133>`__).
+#)  Fixed bug connecting to an IPv6 address with IAM tokens.
 #)  Implementation changes:
 
     - Made the pool implementation LIFO to improve locality, reduce the number

src/oracledb/impl/thin/messages.pyx

@@ -1592,7 +1592,7 @@ cdef class AuthMessage(Message):
             if self.private_key is not None:
                 date_format = "%a, %d %b %Y %H:%M:%S GMT"
                 now = datetime.datetime.utcnow().strftime(date_format)
-                host_info = "%s:%d" % buf._socket.getpeername()
+                host_info = "%s:%d" % buf._socket.getpeername()[:2]
                 header = f"date: {now}\n" + \
                          f"(request-target): {self.service_name}\n" + \
                          f"host: {host_info}"