Move BUFSIZE to __init__ since it's common to many connection plugins

lib/ansible/plugins/connection/__init__.py

@@ -42,6 +42,8 @@ except ImportError:
 
 __all__ = ['ConnectionBase', 'ensure_connect']
 
+BUFSIZE = 65536
+
 
 def ensure_connect(func):
     @wraps(func)

lib/ansible/plugins/connection/chroot.py

@@ -28,7 +28,7 @@ import traceback
 
 from ansible import constants as C
 from ansible.errors import AnsibleError
-from ansible.plugins.connection import ConnectionBase
+from ansible.plugins.connection import ConnectionBase, BUFSIZE
 from ansible.module_utils.basic import is_executable
 from ansible.utils.unicode import to_bytes
 
@@ -38,8 +38,6 @@ except ImportError:
     from ansible.utils.display import Display
     display = Display()
 
-BUFSIZE = 65536
-
 
 class Connection(ConnectionBase):
     ''' Local chroot based connections '''

lib/ansible/plugins/connection/docker.py

@@ -35,7 +35,7 @@ from distutils.version import LooseVersion
 
 import ansible.constants as C
 from ansible.errors import AnsibleError, AnsibleFileNotFound
-from ansible.plugins.connection import ConnectionBase
+from ansible.plugins.connection import ConnectionBase, BUFSIZE
 from ansible.utils.unicode import to_bytes
 
 try:
@@ -44,8 +44,6 @@ except ImportError:
     from ansible.utils.display import Display
     display = Display()
 
-BUFSIZE = 65536
-
 
 class Connection(ConnectionBase):
     ''' Local docker based connections '''

lib/ansible/plugins/connection/jail.py

@@ -29,7 +29,7 @@ import traceback
 
 from ansible import constants as C
 from ansible.errors import AnsibleError
-from ansible.plugins.connection import ConnectionBase
+from ansible.plugins.connection import ConnectionBase, BUFSIZE
 from ansible.utils.unicode import to_bytes
 
 try:
@@ -38,8 +38,6 @@ except ImportError:
     from ansible.utils.display import Display
     display = Display()
 
-BUFSIZE = 65536
-
 
 class Connection(ConnectionBase):
     ''' Local BSD Jail based connections '''

lib/ansible/plugins/connection/libvirt_lxc.py

@@ -29,7 +29,7 @@ import traceback
 
 from ansible import constants as C
 from ansible.errors import AnsibleError
-from ansible.plugins.connection import ConnectionBase
+from ansible.plugins.connection import ConnectionBase, BUFSIZE
 from ansible.utils.unicode import to_bytes
 
 try:
@@ -38,8 +38,6 @@ except ImportError:
     from ansible.utils.display import Display
     display = Display()
 
-BUFSIZE = 65536
-
 
 class Connection(ConnectionBase):
     ''' Local lxc based connections '''

lib/ansible/plugins/connection/zone.py

@@ -30,7 +30,7 @@ import traceback
 
 from ansible import constants as C
 from ansible.errors import AnsibleError
-from ansible.plugins.connection import ConnectionBase
+from ansible.plugins.connection import ConnectionBase, BUFSIZE
 from ansible.utils import to_bytes
 
 try:
@@ -39,8 +39,6 @@ except ImportError:
     from ansible.utils.display import Display
     display = Display()
 
-BUFSIZE = 65536
-
 
 class Connection(ConnectionBase):
     ''' Local zone based connections '''