文件操作 - factory.py

文件: /usr/share/ibus-table/engine/factory.py

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# -*- coding: utf-8 -*-
# vim:et sw=4 sts=4 sw=4
#
# ibus-table - The Tables engine for IBus
#
# Copyright (c) 2008-2009 Yu Yuwei <acevery@gmail.com>
#
# 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 2.1 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
#
# $Id: $
#

from gi.repository import IBus
import table
import tabsqlitedb
import os
from re import compile as re_compile

path_patt = re_compile(r'[^a-zA-Z0-9_/]')

from gettext import dgettext
_  = lambda a : dgettext ("ibus-table", a)
N_ = lambda a : a

engine_base_path = "/com/redhat/IBus/engines/table/%s/engine/"

class EngineFactory (IBus.Factory):
    """Table IM Engine Factory"""
    def __init__ (self, bus, db="", icon=""):
        # here the db should be the abs path to sql db
        # this is the backend sql db we need for our IME
        # we need get lots of IME property from this db :)
        #self.db = tabsqlitedb.tabsqlitedb( name = database )
        
        if db:
            self.dbusname = os.path.basename(db).replace('.db','')
            udb = os.path.basename(db).replace('.db','-user.db') 
            self.db = tabsqlitedb.tabsqlitedb( name = db,user_db = udb )
            self.db.db.commit()
            self.dbdict = {self.dbusname:self.db}
        else:
            self.db = None
            self.dbdict = {}

# init factory
        self.bus = bus
        super(EngineFactory,self).__init__ (connection=bus.get_connection(),
                                            object_path=IBus.PATH_FACTORY)
        self.engine_id=0
    
    def do_create_engine(self, engine_name):
        # because we need db to be past to Engine
        # the type (engine_name) == dbus.String
        name = engine_name.encode ('utf8')
        self.engine_path = engine_base_path % path_patt.sub ('_', name)
        try:
            if not self.db:
                # first check self.dbdict
                if not name in self.dbdict:
                    try:
                        db_dir = os.path.join (os.getenv('IBUS_TABLE_LOCATION'),'tables')
                    except:
                        db_dir = "/usr/share/ibus-table/tables"
                    db = os.path.join (db_dir,name+'.db')
                    udb = name+'-user.db'
                    if not os.path.exists(db):
                        byo_db_dir = os.path.join(os.getenv('HOME'), '.ibus/byo-tables')
                        db = os.path.join(byo_db_dir, name + '.db')                    
                    _sq_db = tabsqlitedb.tabsqlitedb( name = db,user_db = udb )
                    _sq_db.db.commit()
                    self.dbdict[name] = _sq_db
            else:
                name = self.dbusname

engine = table.tabengine(self.bus, self.engine_path \
                    + str(self.engine_id), self.dbdict[name])
            self.engine_id += 1
            #return engine.get_dbus_object()
            return engine
        except:
            print "fail to create engine %s" % engine_name
            import traceback
            traceback.print_exc ()
            raise Exception("Can not create engine %s" % engine_name)

def do_destroy (self):
        '''Destructor, which finish some task for IME'''
        # 
        ## we need to sync the temp userdb in memory to the user_db on disk
        for _db in self.dbdict:
            self.dbdict[_db].sync_usrdb ()
        ##print "Have synced user db\n"
        super(EngineFactory,self).destroy()

文件操作 - factory.py

文件: /usr/share/ibus-table/engine/factory.py

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