Fix interactive run with networking

Make sure we connect the container to all required networks *after*
starting the container and *before* hijacking the terminal.

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

compose/cli/main.py

@@ -41,7 +41,7 @@ from .utils import yesno
 
 
 if not IS_WINDOWS_PLATFORM:
-    import dockerpty
+    from dockerpty.pty import PseudoTerminal
 
 log = logging.getLogger(__name__)
 console_handler = logging.StreamHandler(sys.stderr)
@@ -709,8 +709,10 @@ def run_one_off_container(container_options, project, service, options):
     signals.set_signal_handler_to_shutdown()
     try:
         try:
-            dockerpty.start(project.client, container.id, interactive=not options['-T'])
-            service.connect_container_to_networks(container)
+            pty = PseudoTerminal(project.client, container.id, interactive=not options['-T'])
+            sockets = pty.sockets()
+            service.start_container(container)
+            pty.start(sockets)
             exit_code = container.wait()
         except signals.ShutdownException:
             project.client.stop(container.id)

requirements.txt

@@ -1,8 +1,8 @@
 PyYAML==3.11
 cached-property==1.2.0
-dockerpty==0.3.4
 docopt==0.6.1
 enum34==1.0.4
+git+https://github.com/d11wtq/dockerpty.git@29b1394108b017ef3e3deaf00604a9eb99880d5e#egg=dockerpty
 git+https://github.com/docker/docker-py.git@master#egg=docker-py
 jsonschema==2.5.1
 requests==2.7.0

tests/unit/cli_test.py

@@ -72,8 +72,8 @@ class CLITestCase(unittest.TestCase):
             TopLevelCommand().dispatch(['help', 'nonexistent'], None)
 
     @pytest.mark.xfail(IS_WINDOWS_PLATFORM, reason="requires dockerpty")
-    @mock.patch('compose.cli.main.dockerpty', autospec=True)
-    def test_run_with_environment_merged_with_options_list(self, mock_dockerpty):
+    @mock.patch('compose.cli.main.PseudoTerminal', autospec=True)
+    def test_run_with_environment_merged_with_options_list(self, mock_pseudo_terminal):
         command = TopLevelCommand()
         mock_client = mock.create_autospec(docker.Client)
         mock_project = mock.Mock(client=mock_client)