# # Gramps - a GTK+/GNOME based genealogy program # # Copyright (C) 2001-2006 Donald N. Allingham # Copyright (C) 2009 Benny Malengier # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program 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 General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # $Id:gramps_main.py 9912 2008-01-22 09:17:46Z acraphae $ """ Provides the startcli function, which the main program calls for CLI execution of GRAMPS. Provides also two small base classes: CLIDbLoader, CLIManager """ #------------------------------------------------------------------------- # # Python modules # #------------------------------------------------------------------------- from gen.ggettext import gettext as _ import os import sys import logging LOG = logging.getLogger(".grampscli") #------------------------------------------------------------------------- # # GRAMPS modules # #------------------------------------------------------------------------- from gen.display.name import displayer as name_displayer import config import const import Errors import DbState from gen.db import DbBsddb import gen.db.exceptions from gen.plug import BasePluginManager from Utils import get_researcher import RecentFiles #------------------------------------------------------------------------- # # CLI DbLoader class # #------------------------------------------------------------------------- class CLIDbLoader(object): """ Base class for Db loading action inside a dbstate. Only the minimum is present needed for CLI handling """ def __init__(self, dbstate): self.dbstate = dbstate def _warn(self, title, warnmessage): """ Issue a warning message. Inherit for GUI action """ print _('WARNING: %s') % warnmessage def _errordialog(self, title, errormessage): """ Show the error. A title for the error and an errormessage Inherit for GUI action """ print _('ERROR: %s') % errormessage sys.exit(1) def _dberrordialog(self, msg): """ Show a database error. @param: msg : an error message @type: string @note: Inherit for GUI action """ self._errordialog( '', _("Low level database corruption detected") + '\n' + _("Gramps has detected a problem in the underlying " "Berkeley database. This can be repaired by from " "the Family Tree Manager. Select the database and " 'click on the Repair button') + '\n\n' + str(msg)) def _begin_progress(self): """ Convenience method to allow to show a progress bar if wanted on load actions. Inherit if needed """ pass def _pulse_progress(self, value): """ Convenience method to allow to show a progress bar if wanted on load actions. Inherit if needed """ pass def _end_progress(self): """ Convenience method to allow to hide the progress bar if wanted at end of load actions. Inherit if needed """ pass def read_file(self, filename): """ This method takes care of changing database, and loading the data. In 3.0 we only allow reading of real databases of filetype 'x-directory/normal' This method should only return on success. Returning on failure makes no sense, because we cannot recover, since database has already been changed. Therefore, any errors should raise exceptions. On success, return with the disabled signals. The post-load routine should enable signals, as well as finish up with other UI goodies. """ if os.path.exists(filename): if not os.access(filename, os.W_OK): mode = "r" self._warn(_('Read only database'), _('You do not have write access ' 'to the selected file.')) else: mode = "w" else: mode = 'w' dbclass = DbBsddb self.dbstate.change_database(dbclass()) self.dbstate.db.disable_signals() self._begin_progress() try: self.dbstate.db.load(filename, self._pulse_progress, mode) self.dbstate.db.set_save_path(filename) except gen.db.exceptions.DbUpgradeRequiredError, msg: self.dbstate.no_database() self._errordialog( _("Cannot open database"), str(msg)) except gen.db.exceptions.DbVersionError, msg: self.dbstate.no_database() self._errordialog( _("Cannot open database"), str(msg)) except OSError, msg: self.dbstate.no_database() self._errordialog( _("Could not open file: %s") % filename, str(msg)) except Errors.DbError, msg: self.dbstate.no_database() self._dberrordialog(msg) except Exception: self.dbstate.no_database() LOG.error("Failed to open database.", exc_info=True) return True #------------------------------------------------------------------------- # # CLIManager class # #------------------------------------------------------------------------- class CLIManager(object): """ Sessionmanager for GRAMPS. This is in effect a reduced viewmanager instance (see gui/viewmanager), suitable for CLI actions. Aim is to manage a dbstate on which to work (load, unload), and interact with the plugin session """ def __init__(self, dbstate, setloader): self.dbstate = dbstate if setloader: self.db_loader = CLIDbLoader(self.dbstate) else: self.db_loader = None self.file_loaded = False self._pmgr = BasePluginManager.get_instance() def open_activate(self, path): """ Open and make a family tree active """ self._read_recent_file(path) def _errordialog(self, title, errormessage): """ Show the error. A title for the error and an errormessage """ print _('ERROR: %s') % errormessage sys.exit(1) def _read_recent_file(self, filename): """ Called when a file needs to be loaded """ # A recent database should already have a directory If not, do nothing, # just return. This can be handled better if family tree delete/rename # also updated the recent file menu info in DisplayState.py if not os.path.isdir(filename): self._errordialog( _("Could not load a recent Family Tree."), _("Family Tree does not exist, as it has been deleted.")) return if self.db_loader.read_file(filename): # Attempt to figure out the database title path = os.path.join(filename, "name.txt") try: ifile = open(path) title = ifile.readline().strip() ifile.close() except: title = filename self._post_load_newdb(filename, 'x-directory/normal', title) def _post_load_newdb(self, filename, filetype, title=None): """ The method called after load of a new database. Here only CLI stuff is done, inherit this method to add extra stuff """ self._post_load_newdb_nongui(filename, title) def _post_load_newdb_nongui(self, filename, title=None): """ Called after a new database is loaded. """ if not filename: return if filename[-1] == os.path.sep: filename = filename[:-1] name = os.path.basename(filename) if title: name = title # This method is for UI stuff when the database has changed. # Window title, recent files, etc related to new file. self.dbstate.db.set_save_path(filename) # apply preferred researcher if loaded file has none res = self.dbstate.db.get_researcher() owner = get_researcher() if res.get_name() == "" and owner.get_name() != "": self.dbstate.db.set_researcher(owner) name_displayer.set_name_format(self.dbstate.db.name_formats) fmt_default = config.get('preferences.name-format') if fmt_default < 0: name_displayer.set_default_format(fmt_default) self.dbstate.db.enable_signals() self.dbstate.signal_change() config.set('paths.recent-file', filename) try: initial_person = self.dbstate.db.find_initial_person().get_handle() self.uistate.set_active(initial_person, 'Person') except: pass RecentFiles.recent_files(filename, name) self.file_loaded = True def do_reg_plugins(self): """ Register the plugins at initialization time. """ self._pmgr.reg_plugins(const.PLUGINS_DIR) self._pmgr.reg_plugins(const.USER_PLUGINS) def startcli(errors, argparser): """ Starts a cli session of GRAMPS. errors : errors already encountered argparser : ArgParser instance """ if errors: #already errors encountered. Show first one on terminal and exit print _('Error encountered: %s') % errors[0][0] print _(' Details: %s') % errors[0][1] sys.exit(1) if argparser.errors: print _('Error encountered in argument parsing: %s') \ % argparser.errors[0][0] print _(' Details: %s') % argparser.errors[0][1] sys.exit(1) #we need to keep track of the db state dbstate = DbState.DbState() #we need a manager for the CLI session climanager = CLIManager(dbstate, True) #load the plugins climanager.do_reg_plugins() # handle the arguments from arghandler import ArgHandler handler = ArgHandler(dbstate, argparser, climanager) # create a manager to manage the database handler.handle_args_cli() sys.exit(0)