-# python-musicpd: Python MPD client library
-# Copyright (C) 2008-2010 J. Alexander Treuman <jat@spatialrift.net>
-# Copyright (C) 2012-2014 Kaliko Jack <kaliko@azylum.org>
-#
-# python-musicpd is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# python-musicpd is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with python-musicpd. If not, see <http://www.gnu.org/licenses/>.
-
-# pylint: disable=C0111
-
+# -*- coding: utf-8 -*-
+# SPDX-FileCopyrightText: 2012-2024 kaliko <kaliko@azylum.org>
+# SPDX-FileCopyrightText: 2021 Wonko der Verständige <wonko@hanstool.org>
+# SPDX-FileCopyrightText: 2019 Naglis Jonaitis <naglis@mailbox.org>
+# SPDX-FileCopyrightText: 2019 Bart Van Loon <bbb@bbbart.be>
+# SPDX-FileCopyrightText: 2008-2010 J. Alexander Treuman <jat@spatialrift.net>
+# SPDX-License-Identifier: LGPL-3.0-or-later
+"""Python Music Player Daemon client library"""
+
+
+import logging
+import os
import socket
+from functools import wraps
HELLO_PREFIX = "OK MPD "
ERROR_PREFIX = "ACK "
SUCCESS = "OK"
NEXT = "list_OK"
-VERSION = '0.4.2'
+#: Module version
+VERSION = '0.9.0'
+#: Seconds before a connection attempt times out
+#: (overriden by :envvar:`MPD_TIMEOUT` env. var.)
+CONNECTION_TIMEOUT = 30
+#: Socket timeout in second > 0 (Default is :py:obj:`None` for no timeout)
+SOCKET_TIMEOUT = None
+
+log = logging.getLogger(__name__)
+
+
+def iterator_wrapper(func):
+ """Decorator handling iterate option"""
+ @wraps(func)
+ def decorated_function(instance, *args, **kwargs):
+ generator = func(instance, *args, **kwargs)
+ if not instance.iterate:
+ return list(generator)
+ instance._iterating = True
+
+ def iterator(gen):
+ try:
+ for item in gen:
+ yield item
+ finally:
+ instance._iterating = False
+ return iterator(generator)
+ return decorated_function
class MPDError(Exception):
- pass
+ """Main musicpd Exception"""
+
class ConnectionError(MPDError):
- pass
+ """Fatal Connection Error, cannot recover from it."""
+
class ProtocolError(MPDError):
- pass
+ """Fatal Protocol Error, cannot recover from it"""
+
class CommandError(MPDError):
- pass
+ """Malformed command, socket should be fine, can reuse it"""
+
class CommandListError(MPDError):
- pass
+ """"""
+
class PendingCommandError(MPDError):
- pass
+ """"""
+
class IteratingError(MPDError):
- pass
+ """"""
+
class Range:
def __init__(self, tpl):
self.tpl = tpl
+ self.lower = ''
+ self.upper = ''
self._check()
def __str__(self):
- if len(self.tpl) == 1:
- return '{0}:'.format(self.tpl[0])
- return '{0[0]}:{0[1]}'.format(self.tpl)
+ return f'{self.lower}:{self.upper}'
def __repr__(self):
- return 'Range({0})'.format(self.tpl)
+ return f'Range({self.tpl})'
+
+ def _check_element(self, item):
+ if item is None or item == '':
+ return ''
+ try:
+ return str(int(item))
+ except (TypeError, ValueError) as err:
+ raise CommandError(f'Not an integer: "{item}"') from err
+ return item
def _check(self):
if not isinstance(self.tpl, tuple):
raise CommandError('Wrong type, provide a tuple')
- if len(self.tpl) not in [1, 2]:
- raise CommandError('length not in [1, 2]')
- for index in self.tpl:
- try:
- index = int(index)
- except (TypeError, ValueError):
- raise CommandError('Not a tuple of int')
+ if len(self.tpl) == 0:
+ return
+ if len(self.tpl) == 1:
+ self.lower = self._check_element(self.tpl[0])
+ return
+ if len(self.tpl) != 2:
+ raise CommandError('Range wrong size (0, 1 or 2 allowed)')
+ self.lower = self._check_element(self.tpl[0])
+ self.upper = self._check_element(self.tpl[1])
+ if self.lower == '' and self.upper != '':
+ raise CommandError(f'Integer expected to start the range: {self.tpl}')
+ if self.upper.isdigit() and self.lower.isdigit():
+ if int(self.lower) > int(self.upper):
+ raise CommandError(f'Wrong range: {self.lower} > {self.upper}')
class _NotConnected:
+
def __getattr__(self, attr):
return self._dummy
- def _dummy(*args):
+ def _dummy(self, *args):
raise ConnectionError("Not connected")
+
class MPDClient:
+ """MPDClient instance will look for :envvar:`MPD_HOST`/:envvar:`MPD_PORT`/:envvar:`XDG_RUNTIME_DIR` environment
+ variables and set instance attribute :py:attr:`host`, :py:attr:`port` and :py:obj:`pwd`
+ accordingly.
+
+ Then :py:obj:`musicpd.MPDClient.connect` will use :py:obj:`host` and
+ :py:obj:`port` as defaults if not provided as args.
+
+ Regarding :envvar:`MPD_HOST` format to expose password refer this module
+ documentation or MPD client manual :manpage:`mpc (1)`.
+
+ >>> from os import environ
+ >>> environ['MPD_HOST'] = 'pass@mpdhost'
+ >>> cli = musicpd.MPDClient()
+ >>> cli.pwd == environ['MPD_HOST'].split('@')[0]
+ True
+ >>> cli.host == environ['MPD_HOST'].split('@')[1]
+ True
+ >>> cli.connect() # will use host/port as set in MPD_HOST/MPD_PORT
+
+ .. note::
+
+ default host:
+ * use :envvar:`MPD_HOST` environment variable if set, extract password if present,
+ * else use :envvar:`XDG_RUNTIME_DIR` to looks for an existing file in ``${XDG_RUNTIME_DIR:-/run/}/mpd/socket``
+ * else set host to ``localhost``
+
+ default port:
+ * use :envvar:`MPD_PORT` environment variable is set
+ * else use ``6600``
+
+ .. warning:: **Instance attribute host/port/pwd**
+
+ While :py:attr:`musicpd.MPDClient.host` and
+ :py:attr:`musicpd.MPDClient.port` keep track of current connection
+ host and port, :py:attr:`musicpd.MPDClient.pwd` is set once with
+ password extracted from environment variable.
+ Calling MPS's password method with a new password
+ won't update :py:attr:`musicpd.MPDClient.pwd` value.
+
+ Moreover, :py:attr:`musicpd.MPDClient.pwd` is only an helper attribute
+ exposing password extracted from :envvar:`MPD_HOST` environment variable, it
+ will not be used as default value for the MPD's password command.
+ """
+
def __init__(self):
self.iterate = False
+ #: Socket timeout value in seconds
+ self._socket_timeout = SOCKET_TIMEOUT
+ #: Current connection timeout value, defaults to
+ #: :py:obj:`CONNECTION_TIMEOUT` or env. var. ``MPD_TIMEOUT`` if provided
+ self.mpd_timeout = None
+ self.mpd_version = ''
+ """Protocol version as exposed by the server as a :py:obj:`str`
+
+ .. note:: This is the version of the protocol spoken, not the real version of the daemon."""
self._reset()
self._commands = {
# Status Commands
"random": self._fetch_nothing,
"repeat": self._fetch_nothing,
"setvol": self._fetch_nothing,
+ "getvol": self._fetch_object,
"single": self._fetch_nothing,
"replay_gain_mode": self._fetch_nothing,
"replay_gain_status": self._fetch_item,
"seekid": self._fetch_nothing,
"seekcur": self._fetch_nothing,
"stop": self._fetch_nothing,
- # Playlist Commands
+ # Queue Commands
"add": self._fetch_nothing,
"addid": self._fetch_item,
"clear": self._fetch_nothing,
"playlistsearch": self._fetch_songs,
"plchanges": self._fetch_songs,
"plchangesposid": self._fetch_changes,
+ "prio": self._fetch_nothing,
+ "prioid": self._fetch_nothing,
+ "rangeid": self._fetch_nothing,
"shuffle": self._fetch_nothing,
"swap": self._fetch_nothing,
"swapid": self._fetch_nothing,
+ "addtagid": self._fetch_nothing,
+ "cleartagid": self._fetch_nothing,
# Stored Playlist Commands
"listplaylist": self._fetch_list,
"listplaylistinfo": self._fetch_songs,
"rm": self._fetch_nothing,
"save": self._fetch_nothing,
# Database Commands
+ "albumart": self._fetch_composite,
"count": self._fetch_object,
+ "getfingerprint": self._fetch_object,
"find": self._fetch_songs,
"findadd": self._fetch_nothing,
"list": self._fetch_list,
"listall": self._fetch_database,
"listallinfo": self._fetch_database,
+ "listfiles": self._fetch_database,
"lsinfo": self._fetch_database,
+ "readcomments": self._fetch_object,
+ "readpicture": self._fetch_composite,
"search": self._fetch_songs,
"searchadd": self._fetch_nothing,
"searchaddpl": self._fetch_nothing,
"update": self._fetch_item,
"rescan": self._fetch_item,
- "readcomments": self._fetch_object,
# Mounts and neighbors
"mount": self._fetch_nothing,
"unmount": self._fetch_nothing,
"kill": None,
"password": self._fetch_nothing,
"ping": self._fetch_nothing,
+ "binarylimit": self._fetch_nothing,
+ "tagtypes": self._fetch_list,
+ "tagtypes disable": self._fetch_nothing,
+ "tagtypes enable": self._fetch_nothing,
+ "tagtypes clear": self._fetch_nothing,
+ "tagtypes all": self._fetch_nothing,
+ # Partition Commands
+ "partition": self._fetch_nothing,
+ "listpartitions": self._fetch_list,
+ "newpartition": self._fetch_nothing,
+ "delpartition": self._fetch_nothing,
+ "moveoutput": self._fetch_nothing,
# Audio Output Commands
"disableoutput": self._fetch_nothing,
"enableoutput": self._fetch_nothing,
"toggleoutput": self._fetch_nothing,
"outputs": self._fetch_outputs,
+ "outputset": self._fetch_nothing,
# Reflection Commands
+ "config": self._fetch_object,
"commands": self._fetch_list,
"notcommands": self._fetch_list,
- "tagtypes": self._fetch_list,
"urlhandlers": self._fetch_list,
"decoders": self._fetch_plugins,
# Client to Client
"readmessages": self._fetch_messages,
"sendmessage": self._fetch_nothing,
}
+ #: host used with the current connection (:py:obj:`str`)
+ self.host = None
+ #: password detected in :envvar:`MPD_HOST` environment variable (:py:obj:`str`)
+ self.pwd = None
+ #: port used with the current connection (:py:obj:`int`, :py:obj:`str`)
+ self.port = None
+ self._get_envvars()
+
+ def _get_envvars(self):
+ """
+ Retrieve MPD env. var. to overrides default "localhost:6600"
+ """
+ # Set some defaults
+ self.host = 'localhost'
+ self.port = os.getenv('MPD_PORT', '6600')
+ _host = os.getenv('MPD_HOST', '')
+ if _host:
+ # If password is set: MPD_HOST=pass@host
+ if '@' in _host:
+ mpd_host_env = _host.split('@', 1)
+ if mpd_host_env[0]:
+ # A password is actually set
+ log.debug('password detected in MPD_HOST, set client pwd attribute')
+ self.pwd = mpd_host_env[0]
+ if mpd_host_env[1]:
+ self.host = mpd_host_env[1]
+ log.debug('host detected in MPD_HOST: %s', self.host)
+ elif mpd_host_env[1]:
+ # No password set but leading @ is an abstract socket
+ self.host = '@'+mpd_host_env[1]
+ log.debug('host detected in MPD_HOST: %s (abstract socket)', self.host)
+ else:
+ # MPD_HOST is a plain host
+ self.host = _host
+ log.debug('host detected in MPD_HOST: %s', self.host)
+ else:
+ # Is socket there
+ xdg_runtime_dir = os.getenv('XDG_RUNTIME_DIR', '/run')
+ rundir = os.path.join(xdg_runtime_dir, 'mpd/socket')
+ if os.path.exists(rundir):
+ self.host = rundir
+ log.debug('host detected in ${XDG_RUNTIME_DIR}/run: %s (unix socket)', self.host)
+ _mpd_timeout = os.getenv('MPD_TIMEOUT', '')
+ if _mpd_timeout.isdigit():
+ self.mpd_timeout = int(_mpd_timeout)
+ log.debug('timeout detected in MPD_TIMEOUT: %d', self.mpd_timeout)
+ else: # Use CONNECTION_TIMEOUT as default even if MPD_TIMEOUT carries gargage
+ self.mpd_timeout = CONNECTION_TIMEOUT
def __getattr__(self, attr):
if attr == 'send_noidle': # have send_noidle to cancel idle as well as noidle
- return self.noidle()
+ return self.noidle
if attr.startswith("send_"):
command = attr.replace("send_", "", 1)
wrapper = self._send
if command not in self._commands:
command = command.replace("_", " ")
if command not in self._commands:
- raise AttributeError("'%s' object has no attribute '%s'" %
- (self.__class__.__name__, attr))
+ cls = self.__class__.__name__
+ raise AttributeError(f"'{cls}' object has no attribute '{attr}'")
return lambda *args: wrapper(command, args)
def _send(self, command, args):
if retval is not None:
self._pending.append(command)
- def _fetch(self, command, args=None):
+ def _fetch(self, command, args=None): # pylint: disable=unused-argument
+ cmd_fmt = command.replace(" ", "_")
if self._command_list is not None:
- raise CommandListError("Cannot use fetch_%s in a command list" %
- command.replace(" ", "_"))
+ raise CommandListError(f"Cannot use fetch_{cmd_fmt} in a command list")
if self._iterating:
- raise IteratingError("Cannot use fetch_%s while iterating" %
- command.replace(" ", "_"))
+ raise IteratingError(f"Cannot use fetch_{cmd_fmt} while iterating")
if not self._pending:
raise PendingCommandError("No pending commands to fetch")
if self._pending[0] != command:
- raise PendingCommandError("'%s' is not the currently "
- "pending command" % command)
+ raise PendingCommandError(f"'{command}' is not the currently pending command")
del self._pending[0]
retval = self._commands[command]
if callable(retval):
return retval()
return retval
- def _execute(self, command, args):
+ def _execute(self, command, args): # pylint: disable=unused-argument
if self._iterating:
- raise IteratingError("Cannot execute '%s' while iterating" %
- command)
+ raise IteratingError(f"Cannot execute '{command}' while iterating")
if self._pending:
- raise PendingCommandError("Cannot execute '%s' with "
- "pending commands" % command)
+ raise PendingCommandError(f"Cannot execute '{command}' with pending commands")
retval = self._commands[command]
if self._command_list is not None:
if not callable(retval):
- raise CommandListError("'%s' not allowed in command list" %
- command)
+ raise CommandListError(f"'{command}' not allowed in command list")
self._write_command(command, args)
self._command_list.append(retval)
else:
if callable(retval):
return retval()
return retval
+ return None
def _write_line(self, line):
- self._wfile.write("%s\n" % line)
+ self._wfile.write(f"{line!s}\n")
self._wfile.flush()
def _write_command(self, command, args=None):
parts = [command]
for arg in args:
if isinstance(arg, tuple):
- parts.append('{0!s}'.format(Range(arg)))
+ parts.append(f'{Range(arg)!s}')
else:
- parts.append('"%s"' % escape(str(arg)))
+ parts.append(f'"{escape(str(arg))}"')
+ if '\n' in ' '.join(parts):
+ raise CommandError('new line found in the command!')
self._write_line(" ".join(parts))
- def _read_line(self):
- line = self._rfile.readline()
+ def _read_binary(self, amount):
+ chunk = bytearray()
+ while amount > 0:
+ result = self._rbfile.read(amount)
+ if len(result) == 0:
+ self.disconnect()
+ raise ConnectionError("Connection lost while reading binary content")
+ chunk.extend(result)
+ amount -= len(result)
+ return bytes(chunk)
+
+ def _read_line(self, binary=False):
+ if binary:
+ line = self._rbfile.readline().decode('utf-8')
+ else:
+ line = self._rfile.readline()
if not line.endswith("\n"):
self.disconnect()
raise ConnectionError("Connection lost while reading line")
raise CommandError(error)
if self._command_list is not None:
if line == NEXT:
- return
+ return None
if line == SUCCESS:
- raise ProtocolError("Got unexpected '%s'" % SUCCESS)
+ raise ProtocolError(f"Got unexpected '{SUCCESS}'")
elif line == SUCCESS:
- return
+ return None
return line
- def _read_pair(self, separator):
- line = self._read_line()
+ def _read_pair(self, separator, binary=False):
+ line = self._read_line(binary=binary)
if line is None:
- return
+ return None
pair = line.split(separator, 1)
if len(pair) < 2:
- raise ProtocolError("Could not parse pair: '%s'" % line)
+ raise ProtocolError(f"Could not parse pair: '{line}'")
return pair
- def _read_pairs(self, separator=": "):
- pair = self._read_pair(separator)
+ def _read_pairs(self, separator=": ", binary=False):
+ pair = self._read_pair(separator, binary=binary)
while pair:
yield pair
- pair = self._read_pair(separator)
+ pair = self._read_pair(separator, binary=binary)
def _read_list(self):
seen = None
for key, value in self._read_pairs():
if key != seen:
if seen is not None:
- raise ProtocolError("Expected key '%s', got '%s'" %
- (seen, key))
+ raise ProtocolError(f"Expected key '{seen}', got '{key}'")
seen = key
yield value
self._command_list = None
self._fetch_nothing()
- def _iterator_wrapper(self, iterator):
- try:
- for item in iterator:
- yield item
- finally:
- self._iterating = False
-
- def _wrap_iterator(self, iterator):
- if not self.iterate:
- return list(iterator)
- self._iterating = True
- return self._iterator_wrapper(iterator)
-
def _fetch_nothing(self):
line = self._read_line()
if line is not None:
- raise ProtocolError("Got unexpected return value: '%s'" % line)
+ raise ProtocolError(f"Got unexpected return value: '{line}'")
def _fetch_item(self):
pairs = list(self._read_pairs())
if len(pairs) != 1:
- return
+ return None
return pairs[0][1]
+ @iterator_wrapper
def _fetch_list(self):
- return self._wrap_iterator(self._read_list())
+ return self._read_list()
+ @iterator_wrapper
def _fetch_playlist(self):
- return self._wrap_iterator(self._read_playlist())
+ return self._read_playlist()
def _fetch_object(self):
objs = list(self._read_objects())
return {}
return objs[0]
+ @iterator_wrapper
def _fetch_objects(self, delimiters):
- return self._wrap_iterator(self._read_objects(delimiters))
+ return self._read_objects(delimiters)
def _fetch_changes(self):
return self._fetch_objects(["cpos"])
def _fetch_neighbors(self):
return self._fetch_objects(["neighbor"])
+ def _fetch_composite(self):
+ obj = {}
+ for key, value in self._read_pairs(binary=True):
+ key = key.lower()
+ obj[key] = value
+ if key == 'binary':
+ break
+ if not obj:
+ # If the song file was recognized, but there is no picture, the
+ # response is successful, but is otherwise empty.
+ return obj
+ amount = int(obj['binary'])
+ try:
+ obj['data'] = self._read_binary(amount)
+ except IOError as err:
+ raise ConnectionError(f'Error reading binary content: {err}') from err
+ data_bytes = len(obj['data'])
+ if data_bytes != amount: # can we ever get there?
+ raise ConnectionError('Error reading binary content: '
+ f'Expects {amount}B, got {data_bytes}')
+ # Fetches trailing new line
+ self._read_line(binary=True)
+ # Fetches SUCCESS code
+ self._read_line(binary=True)
+ return obj
+
+ @iterator_wrapper
def _fetch_command_list(self):
- return self._wrap_iterator(self._read_command_list())
+ return self._read_command_list()
def _hello(self):
line = self._rfile.readline()
raise ConnectionError("Connection lost while reading MPD hello")
line = line.rstrip("\n")
if not line.startswith(HELLO_PREFIX):
- raise ProtocolError("Got invalid MPD hello: '%s'" % line)
+ raise ProtocolError(f"Got invalid MPD hello: '{line}'")
self.mpd_version = line[len(HELLO_PREFIX):].strip()
def _reset(self):
- # pylint: disable=w0201
- self.mpd_version = None
+ self.mpd_version = ''
self._iterating = False
self._pending = []
self._command_list = None
self._sock = None
self._rfile = _NotConnected()
+ self._rbfile = _NotConnected()
self._wfile = _NotConnected()
def _connect_unix(self, path):
if not hasattr(socket, "AF_UNIX"):
- raise ConnectionError("Unix domain sockets not supported "
- "on this platform")
- sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
- sock.connect(path)
+ raise ConnectionError("Unix domain sockets not supported on this platform")
+ # abstract socket
+ if path.startswith('@'):
+ path = '\0'+path[1:]
+ try:
+ sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+ sock.settimeout(self.mpd_timeout)
+ sock.connect(path)
+ sock.settimeout(self.socket_timeout)
+ except socket.error as socket_err:
+ raise ConnectionError(socket_err) from socket_err
return sock
def _connect_tcp(self, host, port):
except AttributeError:
flags = 0
err = None
- for res in socket.getaddrinfo(host, port, socket.AF_UNSPEC,
- socket.SOCK_STREAM, socket.IPPROTO_TCP,
- flags):
+ try:
+ gai = socket.getaddrinfo(host, port, socket.AF_UNSPEC,
+ socket.SOCK_STREAM, socket.IPPROTO_TCP,
+ flags)
+ except socket.error as gaierr:
+ raise ConnectionError(gaierr) from gaierr
+ for res in gai:
af, socktype, proto, _, sa = res
sock = None
try:
+ log.debug('opening socket %s', sa)
sock = socket.socket(af, socktype, proto)
+ sock.settimeout(self.mpd_timeout)
sock.connect(sa)
+ sock.settimeout(self.socket_timeout)
return sock
except socket.error as socket_err:
+ log.debug('opening socket %s failed: %s', sa, socket_err)
err = socket_err
if sock is not None:
sock.close()
if err is not None:
- raise ConnectionError(str(err))
- else:
- raise ConnectionError("getaddrinfo returns an empty list")
+ raise ConnectionError(err)
+ raise ConnectionError("getaddrinfo returns an empty list")
def noidle(self):
# noidle's special case
self._write_command("noidle")
return self._fetch_list()
- def connect(self, host, port):
+ def connect(self, host=None, port=None):
+ """Connects the MPD server
+
+ :param str host: hostname, IP or FQDN (defaults to *localhost* or socket)
+ :param port: port number (defaults to *6600*)
+ :type port: str or int
+
+ If host/port are :py:obj:`None` the socket uses :py:attr:`host`/:py:attr:`port`
+ attributes as defaults. Cf. :py:obj:`MPDClient` for the logic behind default host/port.
+
+ The underlying socket also honors :envvar:`MPD_TIMEOUT` environment variable
+ and defaults to :py:obj:`musicpd.CONNECTION_TIMEOUT` (connect command only).
+
+ If you want to have a timeout for each command once you got connected,
+ set its value in :py:obj:`MPDClient.socket_timeout` (in second) or at
+ module level in :py:obj:`musicpd.SOCKET_TIMEOUT`.
+ """
+ if not host:
+ host = self.host
+ else:
+ self.host = host
+ if not port:
+ port = self.port
+ else:
+ self.port = port
if self._sock is not None:
raise ConnectionError("Already connected")
- if host.startswith("/"):
+ if host[0] in ['/', '@']:
+ log.debug('Connecting unix socket %s', host)
self._sock = self._connect_unix(host)
else:
+ log.debug('Connecting tcp socket %s:%s (timeout: %ss)', host, port, self.mpd_timeout)
self._sock = self._connect_tcp(host, port)
- self._rfile = self._sock.makefile("r", encoding='utf-8')
+ self._rfile = self._sock.makefile("r", encoding='utf-8', errors='surrogateescape')
+ self._rbfile = self._sock.makefile("rb")
self._wfile = self._sock.makefile("w", encoding='utf-8')
try:
self._hello()
except:
self.disconnect()
raise
+ log.debug('Connected')
+
+ @property
+ def socket_timeout(self):
+ """Socket timeout in second (defaults to :py:obj:`SOCKET_TIMEOUT`).
+ Use :py:obj:`None` to disable socket timout.
+
+ :setter: Set the socket timeout (integer > 0)
+ :type: int or None
+ """
+ return self._socket_timeout
+
+ @socket_timeout.setter
+ def socket_timeout(self, timeout):
+ if timeout is not None:
+ if int(timeout) <= 0:
+ raise ValueError('socket_timeout expects a non zero positive integer')
+ self._socket_timeout = int(timeout)
+ else:
+ self._socket_timeout = timeout
+ if getattr(self._sock, 'settimeout', False):
+ self._sock.settimeout(self._socket_timeout)
+
def disconnect(self):
+ """Closes the MPD connection.
+ The client closes the actual socket, it does not use the
+ 'close' request from MPD protocol (as suggested in documentation).
+ """
if hasattr(self._rfile, 'close'):
self._rfile.close()
+ if hasattr(self._rbfile, 'close'):
+ self._rbfile.close()
if hasattr(self._wfile, 'close'):
self._wfile.close()
if hasattr(self._sock, 'close'):
self._sock.close()
self._reset()
+ def __enter__(self):
+ self.connect()
+ return self
+
+ def __exit__(self, exception_type, exception_value, exception_traceback):
+ self.disconnect()
+
def fileno(self):
+ """Return the socket’s file descriptor (a small integer).
+ This is useful with :py:obj:`select.select`.
+ """
if self._sock is None:
raise ConnectionError("Not connected")
return self._sock.fileno()
if self._iterating:
raise IteratingError("Cannot begin command list while iterating")
if self._pending:
- raise PendingCommandError("Cannot begin command list "
- "with pending commands")
+ raise PendingCommandError("Cannot begin command list with pending commands")
self._write_command("command_list_ok_begin")
self._command_list = []
def escape(text):
return text.replace("\\", "\\\\").replace('"', '\\"')
-
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