Rename next_packet_size to next_frame_size

Signed-off-by: Aanand Prasad <aanand.prasad@gmail.com>

docker/utils/socket.py

@@ -41,7 +41,7 @@ def read_data(socket, n):
     return data
 
 
-def next_packet_size(socket):
+def next_frame_size(socket):
     """
     Returns the size of the next frame of data waiting to be read from socket,
     according to the protocol defined here:
@@ -61,7 +61,7 @@ def read_iter(socket):
     """
     Returns a generator of frames read from socket
     """
-    n = next_packet_size(socket)
+    n = next_frame_size(socket)
     while n > 0:
         yield read_socket(socket, n)
-        n = next_packet_size(socket)
+        n = next_frame_size(socket)

tests/integration/container_test.py

@@ -3,7 +3,7 @@ import signal
 import tempfile
 
 import docker
-from docker.utils.socket import next_packet_size
+from docker.utils.socket import next_frame_size
 from docker.utils.socket import read_data
 import pytest
 import six
@@ -1027,7 +1027,7 @@ class AttachContainerTest(helpers.BaseTestCase):
 
         self.client.start(ident)
 
-        next_size = next_packet_size(pty_stdout)
+        next_size = next_frame_size(pty_stdout)
         self.assertEqual(next_size, len(line))
         data = read_data(pty_stdout, next_size)
         self.assertEqual(data.decode('utf-8'), line)

tests/integration/exec_test.py

@@ -1,6 +1,6 @@
 import pytest
 
-from docker.utils.socket import next_packet_size
+from docker.utils.socket import next_frame_size
 from docker.utils.socket import read_data
 
 from .. import helpers
@@ -110,7 +110,7 @@ class ExecTest(helpers.BaseTestCase):
         socket = self.client.exec_start(exec_id, socket=True)
         self.addCleanup(socket.close)
 
-        next_size = next_packet_size(socket)
+        next_size = next_frame_size(socket)
         self.assertEqual(next_size, len(line))
         data = read_data(socket, next_size)
         self.assertEqual(data.decode('utf-8'), line)