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# Copyright (C) 2006-2007 Red Hat, Inc.
#
# This library 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 2 of the License, or (at your option) any later version.
#
# This library 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 this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
"""
STABLE.
"""
import logging
class ActivityHandle(object):
"""Data structure storing simple activity metadata"""
def __init__(
self, activity_id=None, object_id=None, uri=None
):
"""Initialise the handle from activity_id
activity_id -- unique id for the activity to be
created
object_id -- tuple of tree_id and version_id of
the journal object associated with the activity.
When you resume an activity from the journal
the tree_id and version_id will be passed in.
It's optional since new activities do not have an
associated object (yet).
uri -- URI associated with the activity. Used when
opening an external file or resource in the
activity, rather than a journal object
(downloads stored on the file system for
example or web pages)
"""
self.activity_id = activity_id
self.object_id = object_id
self.uri = uri
def get_dict(self):
"""Retrieve our settings as a dictionary"""
result = { 'activity_id' : self.activity_id }
if self.tree_id:
result['object_id'] = self.object_id
result['tree_id'] = self.tree_id
result['version_id'] = self.version_id
if self.uri:
result['uri'] = self.uri
return result
def get_object_id(self) :
logging.debug("AH.get_object_id %r %r" % (self.tree_id, self.version_id))
if self.tree_id is None and self.version_id is None :
logging.debug("AH.get_object_id returning None")
return None
return (self.tree_id, self.version_id)
def set_object_id(self, object_id) :
self.tree_id, self.version_id = object_id or (None, None)
object_id = property(get_object_id, set_object_id)
def create_from_dict(handle_dict):
"""Create a handle from a dictionary of parameters"""
if handle_dict.get('object_id') :
handle_dict = dict(handle_dict)
handle_dict['tree_id'], handle_dict['version_id'] = handle_dict['object_id']
result = ActivityHandle(
handle_dict['activity_id'],
object_id = (handle_dict.get('tree_id'),
handle_dict.get('version_id')),
uri = handle_dict.get('uri'),
)
return result
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