Upgrade Python driver to 3.28.0

patch by Andrés de la Peña and Jeremiah Jordan; reviewed by Brandon Williams for CASSANDRA-18960

Co-authored-by: Jeremiah Jordan <jeremiah@datastax.com>
Co-authored-by: Andrés de la Peña <a.penya.garcia@gmail.com>

CHANGES.txt

@@ -1,4 +1,5 @@
 5.0-alpha2
+ * Upgrade Python driver to 3.28.0 (CASSANDRA-18960)
  * Add retries to IR messages (CASSANDRA-18962)
  * Add metrics and logging to repair retries (CASSANDRA-18952)
  * Remove deprecated code in Cassandra 1.x and 2.x (CASSANDRA-18959)

pylib/cqlshlib/formatting.py

@@ -149,8 +149,8 @@ class CqlType:
     def parse(self, typestring, ksmeta):
         """
         Parse the typestring by looking at this pattern: *<*>. If there is no match then the type
-        is either a simple type or a user type, otherwise it must be a composite type
-        for which we need to look-up the sub-types. For user types the sub types can be extracted
+        is either a simple type or a user type, otherwise it must be a composite type or a vector type,
+        for which we need to look up the subtypes. For user types the subtypes can be extracted
         from the keyspace metadata.
         """
         while True:
@@ -167,8 +167,15 @@ class CqlType:
                     typestring = m.group(2)
                     continue
 
-                name = m.group(1)  # a composite type, parse sub types
-                return name, self.parse_sub_types(m.group(2), ksmeta), self._get_formatter(name)
+                name = m.group(1)  # a composite or vector type, parse subtypes
+                try:
+                    # Vector types are parameterized as name<type,size> so add custom handling for that here
+                    type_args = m.group(2).split(',')
+                    vector_type = CqlType(type_args[0])
+                    vector_size = int(type_args[1])
+                    return name, [vector_type for _ in range(vector_size)], self._get_formatter(name)
+                except (ValueError, IndexError):
+                    return name, self.parse_sub_types(m.group(2), ksmeta), self._get_formatter(name)
 
     @staticmethod
     def _get_formatter(name):

pylib/cqlshlib/test/test_cqlsh_output.py

@@ -935,6 +935,28 @@ class TestCqlshOutput(BaseTestCase):
             """),
         ))
 
+    def test_vectors_output(self):
+        self.assertQueriesGiveColoredOutput((
+            ("SELECT vectorcol FROM has_all_types;", r"""
+             vectorcol
+             MMMMMMMMM
+            -----------------------
+
+                      [1, -2, NaN]
+                      BGBBGGBBGGGB
+                         [1, 2, 3]
+                         BGBBGBBGB
+                         [0, 0, 0]
+                         BGBBGBBGB
+                              null
+                              RRRR
+             [1e+08, 1e+08, 1e+08]
+             BGGGGGBBGGGGGBBGGGGGB
+
+            (5 rows)
+            """),
+        ))
+
     def test_expanded_output_counts_past_page(self):
         query = "PAGING 5; EXPAND ON; SELECT * FROM twenty_rows_table;"
         output, result = testcall_cqlsh(prompt=None, env=self.default_env,