Core Protocol: Add support for flexible versions (#2151)

- Add support for new request and response headers, supporting flexible
versions / tagged fields
- Add List / Alter partition reassignments APIs
- Add support for varints
- Add support for compact collections (byte array, string, array)

1 files changed, 90 insertions, 1 deletions

diff --git a/kafka/protocol/admin.py b/kafka/protocol/admin.py
index 63a3327..f9d61e5 100644
--- a/kafka/protocol/admin.py
+++ b/kafka/protocol/admin.py
@@ -1,7 +1,7 @@
 from __future__ import absolute_import
 
 from kafka.protocol.api import Request, Response
-from kafka.protocol.types import Array, Boolean, Bytes, Int8, Int16, Int32, Int64, Schema, String, Float64
+from kafka.protocol.types import Array, Boolean, Bytes, Int8, Int16, Int32, Int64, Schema, String, Float64, CompactString, CompactArray, TaggedFields
 
 
 class ApiVersionResponse_v0(Response):
@@ -963,3 +963,92 @@ DescribeClientQuotasRequest = [
 DescribeClientQuotasResponse = [
     DescribeClientQuotasResponse_v0,
 ]
+
+
+class AlterPartitionReassignmentsResponse_v0(Response):
+    API_KEY = 45
+    API_VERSION = 0
+    SCHEMA = Schema(
+        ("throttle_time_ms", Int32),
+        ("error_code", Int16),
+        ("error_message", CompactString("utf-8")),
+        ("responses", CompactArray(
+            ("name", CompactString("utf-8")),
+            ("partitions", CompactArray(
+                ("partition_index", Int32),
+                ("error_code", Int16),
+                ("error_message", CompactString("utf-8")),
+                ("tags", TaggedFields)
+            )),
+            ("tags", TaggedFields)
+        )),
+        ("tags", TaggedFields)
+    )
+
+
+class AlterPartitionReassignmentsRequest_v0(Request):
+    FLEXIBLE_VERSION = True
+    API_KEY = 45
+    API_VERSION = 0
+    RESPONSE_TYPE = AlterPartitionReassignmentsResponse_v0
+    SCHEMA = Schema(
+        ("timeout_ms", Int32),
+        ("topics", CompactArray(
+            ("name", CompactString("utf-8")),
+            ("partitions", CompactArray(
+                ("partition_index", Int32),
+                ("replicas", CompactArray(Int32)),
+                ("tags", TaggedFields)
+            )),
+            ("tags", TaggedFields)
+        )),
+        ("tags", TaggedFields)
+    )
+
+
+AlterPartitionReassignmentsRequest = [AlterPartitionReassignmentsRequest_v0]
+
+AlterPartitionReassignmentsResponse = [AlterPartitionReassignmentsResponse_v0]
+
+
+class ListPartitionReassignmentsResponse_v0(Response):
+    API_KEY = 46
+    API_VERSION = 0
+    SCHEMA = Schema(
+        ("throttle_time_ms", Int32),
+        ("error_code", Int16),
+        ("error_message", CompactString("utf-8")),
+        ("topics", CompactArray(
+            ("name", CompactString("utf-8")),
+            ("partitions", CompactArray(
+                ("partition_index", Int32),
+                ("replicas", CompactArray(Int32)),
+                ("adding_replicas", CompactArray(Int32)),
+                ("removing_replicas", CompactArray(Int32)),
+                ("tags", TaggedFields)
+            )),
+            ("tags", TaggedFields)
+        )),
+        ("tags", TaggedFields)
+    )
+
+
+class ListPartitionReassignmentsRequest_v0(Request):
+    FLEXIBLE_VERSION = True
+    API_KEY = 46
+    API_VERSION = 0
+    RESPONSE_TYPE = ListPartitionReassignmentsResponse_v0
+    SCHEMA = Schema(
+        ("timeout_ms", Int32),
+        ("topics", CompactArray(
+            ("name", CompactString("utf-8")),
+            ("partition_index", CompactArray(Int32)),
+            ("tags", TaggedFields)
+        )),
+        ("tags", TaggedFields)
+    )
+
+
+ListPartitionReassignmentsRequest = [ListPartitionReassignmentsRequest_v0]
+
+ListPartitionReassignmentsResponse = [ListPartitionReassignmentsResponse_v0]