def __init__(self, messenger, config, account, mediatype):
"""Checks if the config is correct and creates an API object."""
self.msg = messenger
self.config = config
self.msg.info(self.name, "Initializing...")
# Get filenames
userfolder = "%s.%s" % (account['username'], account['api'])
self.userconfig_file = utils.get_filename(userfolder, 'user.json')
# Handle userconfig and media type to load
self._load_userconfig()
if mediatype:
self.userconfig['mediatype'] = mediatype
self._save_userconfig()
# Import the API
libbase = account['api']
libname = "lib{0}".format(libbase)
try:
modulename = "trackma.lib.{0}".format(libname)
__import__(modulename)
apimodule = sys.modules[modulename]
except ImportError, e:
raise utils.DataFatal("Couldn't import API module: %s" % e.message)
def start(self):
"""
Starts the engine.
This function should be called before doing anything with the engine,
as it initializes the data handler.
"""
if self.loaded:
raise utils.TrackmaError("Already loaded.")
# Start the data handler
try:
(self.api_info, self.mediainfo) = self.data_handler.start()
except utils.DataError, e:
raise utils.DataFatal(e.message)
def _lock(self):
"""Creates the database lock, returns an exception if it
already exists"""
if self.config['debug_disable_lock']:
return
if os.path.isfile(self.lock_file):
raise utils.DataFatal(
"Database is locked by another process. "
"If you\'re sure there's no other process is using it, "
"remove the file ~/.wmal/lock")
f = open(self.lock_file, 'w')
f.close()
def __init__(self, messenger, config, account, userconfig):
"""Checks if the config is correct and creates an API object."""
self.msg = messenger
self.config = config
self.userconfig = userconfig
self.msg.info(self.name, "Version " + VERSION)
# Import the API
# TODO : Dangerous stuff, we should do an alphanumeric test or something.
libbase = account['api']
libname = "lib{0}".format(libbase)
try:
modulename = "wmal.lib.{0}".format(libname)
__import__(modulename)
apimodule = sys.modules[modulename]
except ImportError, e:
raise utils.DataFatal("Couldn't import API module: %s" % e.message)
def connect_signal(self, signal, callback):
try:
self.signals[signal] = callback
except KeyError:
raise utils.DataFatal("Invalid signal.")
