Move get_mpd_protocol_version() into MPD frontend

mopidy/__init__.py

@@ -5,9 +5,6 @@ if not (2, 6) <= sys.version_info < (3,):
 def get_version():
     return u'0.1.0a4'
 
-def get_mpd_protocol_version():
-    return u'0.16.0'
-
 class MopidyException(Exception):
     def __init__(self, message, *args, **kwargs):
         super(MopidyException, self).__init__(message, *args, **kwargs)

mopidy/frontends/mpd/protocol/__init__.py

@@ -18,6 +18,9 @@ ENCODING = u'utf-8'
 #: The MPD protocol uses ``\n`` as line terminator.
 LINE_TERMINATOR = u'\n'
 
+#: The MPD protocol version is 0.16.0.
+VERSION = u'0.16.0'
+
 mpd_commands = set()
 request_handlers = {}
 

mopidy/frontends/mpd/session.py

@@ -2,10 +2,9 @@ import asynchat
 import logging
 import multiprocessing
 
-from mopidy import get_mpd_protocol_version
+from mopidy.frontends.mpd.protocol import ENCODING, LINE_TERMINATOR, VERSION
 from mopidy.process import pickle_connection
 from mopidy.utils import indent
-from .protocol import ENCODING, LINE_TERMINATOR
 
 logger = logging.getLogger('mopidy.frontends.mpd.session')
 
@@ -27,7 +26,7 @@ class MpdSession(asynchat.async_chat):
 
     def start(self):
         """Start a new client session."""
-        self.send_response(u'OK MPD %s' % get_mpd_protocol_version())
+        self.send_response(u'OK MPD %s' % VERSION)
 
     def collect_incoming_data(self, data):
         """Collect incoming data into buffer until a terminator is found."""