Streamline metadata in gRPC Python

1 files changed, 26 insertions, 0 deletions

diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/metadata.pxd.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/metadata.pxd.pxi
new file mode 100644
index 0000000000..a18c365807
--- /dev/null
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/metadata.pxd.pxi
@@ -0,0 +1,26 @@
+# Copyright 2017 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+cdef void _store_c_metadata(
+    metadata, grpc_metadata **c_metadata, size_t *c_count)
+
+
+cdef void _release_c_metadata(grpc_metadata *c_metadata, int count)
+
+
+cdef tuple _metadatum(grpc_slice key_slice, grpc_slice value_slice)
+
+
+cdef tuple _metadata(grpc_metadata_array *c_metadata_array)