/usr/lib/python2.7/dist-packages/framework/subsystems/opimd/pimd_tasks.py is in fso-frameworkd 0.10.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# -*- coding: utf-8 -*-
"""
Open PIM Daemon
(C) 2008 by Soeren Apel <abraxa@dar-clan.de>
(C) 2008 Openmoko, Inc.
(C) 2009 Michael 'Mickey' Lauer <mlauer@vanille-media.de>
(C) 2009 Sebastian Krzyszkowiak <seba.dos1@gmail.com>
(C) 2009 Tom "TAsn" Hacohen <tom@stosb.com>
GPLv2 or later
Tasks Domain Plugin
Establishes the 'tasks' PIM domain and handles all related requests
"""
from dbus.service import FallbackObject as DBusFBObject
from dbus.service import signal as dbus_signal
from dbus.service import method as dbus_method
import re
import logging
logger = logging.getLogger('opimd')
from domain_manager import DomainManager, Domain
from helpers import *
from opimd import *
from query_manager import QueryMatcher, SingleQueryHandler
from framework.config import config, busmap
from pimd_generic import GenericDomain
from db_handler import DbHandler
#----------------------------------------------------------------------------#
_DOMAIN_NAME = "Tasks"
_DBUS_PATH_TASKS = DBUS_PATH_BASE_FSO + '/' + _DOMAIN_NAME
_DIN_TASKS_BASE = DIN_BASE_FSO
_DBUS_PATH_QUERIES = _DBUS_PATH_TASKS + '/Queries'
_DIN_TASKS = _DIN_TASKS_BASE + '.' + 'Tasks'
_DIN_ENTRY = _DIN_TASKS_BASE + '.' + 'Task'
_DIN_QUERY = _DIN_TASKS_BASE + '.' + 'TaskQuery'
_DIN_FIELDS = _DIN_TASKS_BASE + '.' + 'Fields'
#----------------------------------------------------------------------------#
class TasksDbHandler(DbHandler):
#----------------------------------------------------------------------------#
name = 'Tasks'
domain = None
#----------------------------------------------------------------------------#
def __init__(self, domain):
self.domain = domain
self.db_prefix = self.name.lower()
self.table_types = ['text', 'longtext', 'date', 'boolean']
super(TasksDbHandler, self).__init__()
self.create_db()
#----------------------------------------------------------------------------#
class QueryManager(DBusFBObject):
#----------------------------------------------------------------------------#
_queries = None
db_handler = None
_next_query_id = None
# Note: _queries must be a dict so we can remove queries without messing up query IDs
def __init__(self, db_handler):
"""Creates a new QueryManager instance
@param entries Set of Entry objects to use"""
self.db_handler = db_handler
self._queries = {}
self._next_query_id = 0
# Initialize the D-Bus-Interface
DBusFBObject.__init__( self, conn=busmap["opimd"], object_path=_DBUS_PATH_QUERIES )
# Still necessary?
self.interface = _DIN_TASKS
self.path = _DBUS_PATH_QUERIES
def process_query(self, query, dbus_sender):
"""Handles a query and returns the dbus path of the newly created query result
@param query Query to evaluate
@param dbus_sender Sender's unique name on the bus
@return dbus path of the query result"""
query_handler = SingleQueryHandler(query, self.db_handler, dbus_sender)
query_id = self._next_query_id
self._next_query_id += 1
self._queries[query_id] = query_handler
return _DBUS_PATH_QUERIES + '/' + str(query_id)
def check_new_entry(self, entry_id):
"""Checks whether a newly added entry matches one or more queries so they can signal clients
@param entry_id Task ID of the task that was added"""
for (query_id, query_handler) in self._queries.items():
if query_handler.check_new_entry(entry_id):
entry_path = self.id_to_path(entry_id)
self.EntryAdded(entry_path, rel_path='/' + str(query_id))
def check_query_id_ok( self, num_id ):
"""
Checks whether a query ID is existing. Raises InvalidQueryID, if not.
"""
if not num_id in self._queries:
raise InvalidQueryID( "Existing query IDs: %s" % self._queries.keys() )
def EntryAdded(self, path, rel_path=None):
self.TaskAdded(path, rel_path=rel_path)
@dbus_signal(_DIN_QUERY, "s", rel_path_keyword="rel_path")
def TaskAdded(self, path, rel_path=None):
pass
@dbus_method(_DIN_QUERY, "", "i", rel_path_keyword="rel_path")
def GetResultCount(self, rel_path):
num_id = int(rel_path[1:])
self.check_query_id_ok( num_id )
return self._queries[num_id].get_result_count()
@dbus_method(_DIN_QUERY, "", "", rel_path_keyword="rel_path", sender_keyword="sender")
def Rewind(self, rel_path, sender):
num_id = int(rel_path[1:])
self.check_query_id_ok( num_id )
self._queries[num_id].rewind(sender)
@dbus_method(_DIN_QUERY, "i", "", rel_path_keyword="rel_path", sender_keyword="sender")
def Skip(self, num_entries, rel_path, sender):
num_id = int(rel_path[1:])
self.check_query_id_ok( num_id )
self._queries[num_id].skip(sender, num_entries)
@dbus_method(_DIN_QUERY, "", "s", rel_path_keyword="rel_path", sender_keyword="sender")
def GetTaskPath(self, rel_path, sender):
num_id = int(rel_path[1:])
self.check_query_id_ok( num_id )
return self._queries[num_id].get_entry_path(sender)
@dbus_method(_DIN_QUERY, "", "a{sv}", rel_path_keyword="rel_path", sender_keyword="sender")
def GetResult(self, rel_path, sender):
num_id = int(rel_path[1:])
self.check_query_id_ok( num_id )
return self._queries[num_id].get_result(sender)
@dbus_method(_DIN_QUERY, "i", "aa{sv}", rel_path_keyword="rel_path", sender_keyword="sender")
def GetMultipleResults(self, num_entries, rel_path, sender):
num_id = int(rel_path[1:])
self.check_query_id_ok( num_id )
return self._queries[num_id].get_multiple_results(sender, num_entries)
@dbus_method(_DIN_QUERY, "", "", rel_path_keyword="rel_path")
def Dispose(self, rel_path):
num_id = int(rel_path[1:])
self.check_query_id_ok( num_id )
# Make sure no one else references the query handler before we remove our reference to it
# Otherwise, garbage collection won't actually free its memory
self._queries[num_id].dispose()
self._queries.__delitem__(num_id)
#----------------------------------------------------------------------------#
class TaskDomain(Domain, GenericDomain):
#----------------------------------------------------------------------------#
name = _DOMAIN_NAME
db_handler = None
query_manager = None
_dbus_path = None
def __init__(self):
"""Creates a new TaskDomain instance"""
self._dbus_path = _DBUS_PATH_TASKS
self.db_handler = TasksDbHandler(self)
self.query_manager = QueryManager(self.db_handler)
# Initialize the D-Bus-Interface
Domain.__init__( self, conn=busmap["opimd"], object_path=DBUS_PATH_BASE_FSO + '/' + self.name )
self.load_field_types()
# Keep frameworkd happy
self.interface = _DIN_TASKS
self.path = _DBUS_PATH_TASKS
#---------------------------------------------------------------------#
# dbus methods and signals #
#---------------------------------------------------------------------#
def NewEntry(self, path):
self.NewTask(path)
@dbus_signal(_DIN_TASKS, "s")
def NewTask(self, path):
pass
@dbus_method(_DIN_TASKS, "a{sv}", "s")
def Add(self, entry_data):
"""Adds a entry to the list, assigning it to the default backend and saving it
@param entry_data List of fields; format is [Key:Value, Key:Value, ...]
@return Path of the newly created d-bus entry object"""
return self.add(entry_data)
@dbus_method(_DIN_TASKS, "a{sv}s", "s")
def GetSingleEntrySingleField(self, query, field_name):
"""Returns the first entry found for a query, making it real easy to query simple things
@param query The query object
@param field_name The name of the field to return
@return The requested data"""
return self.get_single_entry_single_field(query, field_name)
@dbus_method(_DIN_TASKS, "a{sv}", "s", sender_keyword="sender")
def Query(self, query, sender):
"""Processes a query and returns the dbus path of the resulting query object
@param query Query
@param sender Unique name of the query sender on the bus
@return dbus path of the query object, e.g. /org.freesmartphone.PIM/Entries/Queries/4"""
return self.query_manager.process_query(query, sender)
@dbus_method(_DIN_ENTRY, "", "a{sv}", rel_path_keyword="rel_path")
def GetContent(self, rel_path):
num_id = int(rel_path[1:])
# Make sure the requested entry exists
self.check_entry_id(num_id)
return self.get_content(num_id)
@dbus_method(_DIN_ENTRY, "s", "a{sv}", rel_path_keyword="rel_path")
def GetMultipleFields(self, field_list, rel_path):
num_id = int(rel_path[1:])
return self.get_multiple_fields(num_id, field_list)
@dbus_signal(_DIN_TASKS, "s")
def DeletedTask(self, path):
pass
@dbus_signal(_DIN_ENTRY, "", rel_path_keyword="rel_path")
def TaskDeleted(self, rel_path=None):
pass
def EntryDeleted(self, rel_path=None):
self.TaskDeleted(rel_path=rel_path)
self.DeletedTask(_DBUS_PATH_TASKS+rel_path)
@dbus_method(_DIN_ENTRY, "", "", rel_path_keyword="rel_path")
def Delete(self, rel_path):
num_id = int(rel_path[1:])
self.delete(num_id)
def EntryUpdated(self, data, rel_path=None):
self.TaskUpdated(data, rel_path=rel_path)
self.UpdatedTask(_DBUS_PATH_TASKS+rel_path, data)
@dbus_signal(_DIN_TASKS, "sa{sv}")
def UpdatedTask(self, path, data):
pass
@dbus_signal(_DIN_ENTRY, "a{sv}", rel_path_keyword="rel_path")
def TaskUpdated(self, data, rel_path=None):
pass
@dbus_method(_DIN_ENTRY, "a{sv}", "", rel_path_keyword="rel_path")
def Update(self, data, rel_path):
num_id = int(rel_path[1:])
self.update(num_id, data)
@dbus_method(_DIN_FIELDS, "ss", "")
def AddField(self, name, type):
self.add_new_field(name, type)
@dbus_method(_DIN_FIELDS, "", "a{ss}")
def ListFields(self):
return self.list_fields()
@dbus_method(_DIN_FIELDS, "s", "as")
def ListFieldsWithType(self, type):
return self.list_fields_with_type(type)
@dbus_method(_DIN_FIELDS, "s", "")
def DeleteField(self, name):
self.remove_field(name)
@dbus_method(_DIN_FIELDS, "s", "s")
def GetType(self, name):
return self.field_type_from_name(name)
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