def __init__(self, root_directory, logger=None, session_manager=None,
config=None, **kwargs):
global _publisher
if config is None:
self.config = Config(**kwargs)
else:
if kwargs:
raise ValueError("cannot provide both 'config' object and"
" config arguments")
self.config = config
if logger is None:
self.logger = DefaultLogger(error_log=self.config.error_log,
access_log=self.config.access_log,
error_email=self.config.error_email)
else:
self.logger = logger
if session_manager is not None:
self.session_manager = session_manager
else:
from quixote.session import NullSessionManager
self.session_manager = NullSessionManager()
if _publisher is not None:
raise RuntimeError, "only one instance of Publisher allowed"
_publisher = self
if not callable(getattr(root_directory, '_q_traverse')):
raise TypeError(
'Expected something with a _q_traverse method, got %r' %
root_directory)
self.root_directory = root_directory
self._request = None
