/usr/lib/python2.7/dist-packages/framework/subsystems/opimd/pimd_generic.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 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
Generic Domain
From those domain classes others inherit.
"""
DBUS_BUS_NAME_FSO = "org.freesmartphone.opimd"
DBUS_PATH_BASE_FSO = "/org/freesmartphone/PIM"
DIN_BASE_FSO = "org.freesmartphone.PIM"
import dbus
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 type_manager import TypeManager
from domain_manager import Domain
from helpers import *
from query_manager import QueryMatcher, SingleQueryHandler
from framework.config import config, busmap
import os,pickle
_CONF_PATH = '/etc/freesmartphone/opim/'
#----------------------------------------------------------------------------#
#_DOMAIN_NAME = "Generic"
#_DBUS_PATH_DOMAIN = DBUS_PATH_BASE_FSO + '/' + _DOMAIN_NAME
_DIN_DOMAIN_BASE = DIN_BASE_FSO
#_DBUS_PATH_QUERIES = _DBUS_PATH_DOMAIN + '/Queries'
_DIN_ENTRIES = _DIN_DOMAIN_BASE + '.' + 'Entries'
_DIN_ENTRY = _DIN_DOMAIN_BASE + '.' + 'Entry'
_DIN_QUERY = _DIN_DOMAIN_BASE + '.' + 'EntryQuery'
_DIN_FIELDS = _DIN_DOMAIN_BASE + '.' + 'Fields'
#----------------------------------------------------------------------------#
class QueryManager(DBusFBObject):
#----------------------------------------------------------------------------#
_queries = None
_entries = None
_next_query_id = None
domain_name = None
# Note: _queries must be a dict so we can remove queries without messing up query IDs
def __init__(self, entries, domain_name):
"""Creates a new QueryManager instance
@param entries Set of entry objects to use"""
self._entries = entries
self._queries = {}
self._next_query_id = 0
self.domain_name = domain_name
# Initialize the D-Bus-Interface
DBusFBObject.__init__( self, conn=busmap["opimd"], object_path=DBUS_PATH_BASE_FSO + '/' + self.domain_name + '/Queries' )
# Still necessary?
#self.interface = _DIN_ENTRIES
#self.path = DBUS_PATH_BASE_FSO + '/' + self.domain_name + '/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_BASE_FSO + '/' + self.domain_name + '/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 entry ID of the entry that was added"""
#FIXME: TBD
for (query_id, query_handler) in self._queries.items():
if query_handler.check_new_entry(entry_id):
entry = self._entries[entry_id]
entry_path = entry['Path']
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() )
@dbus_signal(_DIN_QUERY, "o", rel_path_keyword="rel_path")
def EntryAdded(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 GetEntryPath(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 GenericDomain():
#----------------------------------------------------------------------------#
name = 'Generic'
db_handler = None
query_manager = None
_dbus_path = None
FieldTypes = None
DEFAULT_FIELDS = []
"""Reserved types"""
_SYSTEM_FIELDS = {
'Path' : 'objectpath',
'EntryId' : 'entryid'
}
#FIXME: doesn't get called
def __init__(self):
"""Creates a new GenericDomain instance"""
self.FieldTypes = {}
def get_dbus_objects(self):
"""Returns a list of all d-bus objects we manage
@return List of d-bus objects"""
return (self, self.query_manager)
def id_to_path(self, entry_id):
path = self._dbus_path+ '/' + str(entry_id)
return path
def path_to_id(self, entry_path):
id = entry_path.rpartition('/')
return int(id[2])
def is_reserved_field(self, field):
return field[:1] in ('_', '<', '>', '$', '@') or self.is_system_field(field)
def is_system_field(self, field):
return (field in self._SYSTEM_FIELDS)
def load_field_types(self):
self.FieldTypes = self.db_handler.load_field_types()
if not self.FieldTypes:
self.FieldTypes = {}
def field_type_from_name(self, name):
if name in self.FieldTypes:
return self.FieldTypes[name]
else:
return 'generic'
def add_default_fields(self):
#Add default fields if don't exist
for field in self.DEFAULT_FIELDS:
try:
self.add_new_field(field, self.DEFAULT_FIELDS[field])
except InvalidField:
#If field already exists or can't add default field, just continue
pass
def add_new_field(self, name, type):
if name in self.FieldTypes:
raise InvalidField ( "Field '%s' already exists." % (name, ))
if self.is_reserved_field(name):
raise InvalidField ( "Field '%s' is reserved." % (name, ))
if type not in TypeManager.Types:
raise InvalidField ( "Type '%s' is invalid." % (type,))
self.FieldTypes[str(name)] = str(type)
#must be last, assumes already loaded
self.db_handler.add_field_type(name, type)
def remove_field(self, name):
if self.is_reserved_field(name):
raise InvalidField ( "Field '%s' is reserved." % (name, ))
if name not in self.FieldTypes:
raise InvalidField ( "Field '%s' does not exist." % (name, ))
if name in self.DEFAULT_FIELDS:
raise InvalidField ( "Field '%s' must be defined for this domain to operate properly." % (name, ))
self.db_handler.remove_field_type(name)
del self.FieldTypes[name]
def list_fields(self):
return self.FieldTypes
def list_fields_with_type(self, type):
fields = []
for field in self.FieldTypes:
if self.FieldTypes[field]==type:
fields.append(field)
return fields
def check_entry_id( self, num_id ):
"""
Checks whether the given entry id is valid. Raises InvalidEntryID, if not.
"""
if self.db_handler.entry_exists(num_id):
raise InvalidEntryID()
def add(self, entry_data):
eid = self.db_handler.add_entry(entry_data)
result = self.id_to_path(eid)
# As we just added a new entry, we check it against all queries to see if it matches
self.query_manager.check_new_entry(eid)
self.NewEntry(result)
return result
def update(self, num_id, data):
# Make sure the requested entry exists
if self.db_handler.entry_exists(num_id):
raise InvalidEntryID()
self.db_handler.upd_entry(num_id, data)
self.EntryUpdated(data, rel_path='/'+str(num_id))
def delete(self, num_id):
# Make sure the requested entry exists
#self.check_entry_id(num_id)
if self.db_handler.del_entry(num_id):
raise InvalidEntryID()
self.EntryDeleted(rel_path='/'+str(num_id))
def get_multiple_fields(self, num_id, field_list):
# Make sure the requested entry exists
self.check_entry_id(num_id)
#We leave legacy support for , delimited list
if type(field_list) == Array or type(field_list) == list:
fields = field_list
else:
fields = field_list.split(',')
map(lambda x: x.strip(), fields)
entry = self.get_content(num_id)
for key in entry.keys():
if key not in fields and "$" + self.field_type_from_name(key) not in fields:
del entry[key]
return entry
def get_single_entry_single_field(self, query, field_name):
result = ""
# Only return one entry
query['_limit'] = 1
matcher = QueryMatcher(query)
res = matcher.match(self.db_handler)
if len(res) > 0 and field_name in res[0]:
return res[0][field_name]
else:
return ""
def get_content(self, num_id):
self.check_entry_id(num_id)
#FIXME: should I do something instead of this none? do we need extra filtering here?
res = self.db_handler.get_content([num_id, ], {})
if len(res) > 0:
return res[0]
else:
return {}
def get_full_content(self, rel_path):
num_id = int(rel_path[1:])
# Make sure the requested entry exists
self.check_entry_id(num_id)
self.get_content(num_id)
return self.get_content(num_id)
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