# # Gramps - a GTK+/GNOME based genealogy program # # Copyright (C) 2000-2007 Donald N. Allingham # Copyright (C) 2009 Brian G. Matherly # Copyright (C) 2009 Gary Burton # # 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 # # $Id$ """ Provide the management of databases. This includes opening, renaming, creating, and deleting of databases. """ #------------------------------------------------------------------------- # # Standard python modules # #------------------------------------------------------------------------- import os import time import copy import subprocess from gettext import gettext as _ #------------------------------------------------------------------------- # # set up logging # #------------------------------------------------------------------------- import logging LOG = logging.getLogger(".DbManager") if os.sys.platform == "win32": _RCS_FOUND = os.system("rcs -V >nul 2>nul") == 0 if _RCS_FOUND and "TZ" not in os.environ: # RCS requires the "TZ" variable be set. os.environ["TZ"] = str(time.timezone) else: _RCS_FOUND = os.system("rcs -V >/dev/null 2>/dev/null") == 0 #------------------------------------------------------------------------- # # GTK/Gnome modules # #------------------------------------------------------------------------- import gtk from gtk.gdk import ACTION_COPY import pango #------------------------------------------------------------------------- # # gramps modules # #------------------------------------------------------------------------- from QuestionDialog import ErrorDialog, QuestionDialog from gen.db import DbBsddb from gui.pluginmanager import GuiPluginManager from cli.clidbman import CLIDbManager, NAME_FILE, time_val from DdTargets import DdTargets import RecentFiles from glade import Glade from gen.db.backup import restore from gen.db.exceptions import DbException _RETURN = gtk.gdk.keyval_from_name("Return") _KP_ENTER = gtk.gdk.keyval_from_name("KP_Enter") #------------------------------------------------------------------------- # # constants # #------------------------------------------------------------------------- ARCHIVE = "rev.gramps" ARCHIVE_V = "rev.gramps,v" NAME_COL = 0 PATH_COL = 1 FILE_COL = 2 DATE_COL = 3 DSORT_COL = 4 OPEN_COL = 5 STOCK_COL = 6 RCS_BUTTON = { True : _('_Extract'), False : _('_Archive') } class DbManager(CLIDbManager): """ Database Manager. Opens a database manager window that allows users to create, rename, delete and open databases. """ ICON_MAP = { CLIDbManager.ICON_NONE : '', CLIDbManager.ICON_RECOVERY : gtk.STOCK_DIALOG_ERROR, CLIDbManager.ICON_LOCK : 'gramps-lock', CLIDbManager.ICON_OPEN : gtk.STOCK_OPEN, } def __init__(self, dbstate, parent=None): """ Create the top level window from the glade description, and extracts the GTK widgets that are needed. """ CLIDbManager.__init__(self, dbstate) self.glade = Glade() self.top = self.glade.toplevel if parent: self.top.set_transient_for(parent) for attr in ['connect', 'cancel', 'new', 'remove', 'dblist', 'rename', 'repair', 'rcs', 'msg']: setattr(self, attr, self.glade.get_object(attr)) self.model = None self.column = None self.lock_file = None self.data_to_delete = None self.selection = self.dblist.get_selection() self.dblist.set_rules_hint(True) self.__connect_signals() self.__build_interface() self._populate_model() def __connect_signals(self): """ Connects the signals to the buttons on the interface. """ ddtargets = [ DdTargets.URI_LIST.target() ] self.top.drag_dest_set(gtk.DEST_DEFAULT_ALL, ddtargets, ACTION_COPY) self.remove.connect('clicked', self.__remove_db) self.new.connect('clicked', self.__new_db) self.rename.connect('clicked', self.__rename_db) self.repair.connect('clicked', self.__repair_db) self.selection.connect('changed', self.__selection_changed) self.dblist.connect('button-press-event', self.__button_press) self.dblist.connect('key-press-event', self.__key_press) self.top.connect('drag_data_received', self.__drag_data_received) self.top.connect('drag_motion', drag_motion) self.top.connect('drag_drop', drop_cb) if _RCS_FOUND: self.rcs.connect('clicked', self.__rcs) def __button_press(self, obj, event): """ Checks for a double click event. In the tree view, we want to treat a double click as if it was OK button press. However, we have to make sure that an item was selected first. """ if event.type == gtk.gdk._2BUTTON_PRESS and event.button == 1: if self.connect.get_property('sensitive'): self.top.response(gtk.RESPONSE_OK) return True return False def __key_press(self, obj, event): """ Grab ENTER so it does not start editing the cell, but behaves like double click instead """ if not event.state or event.state in (gtk.gdk.MOD2_MASK,): if event.keyval in (_RETURN, _KP_ENTER): if self.connect.get_property('sensitive'): self.top.response(gtk.RESPONSE_OK) return True return False def __selection_changed(self, selection): """ Called when the selection is changed in the TreeView. """ self.__update_buttons(selection) def __update_buttons(self, selection): """ What we are trying to detect is the selection or unselection of a row. When a row is unselected, the Open, Rename, and Remove buttons are set insensitive. If a row is selected, the rename and remove buttons are disabled, and the Open button is disabled if the row represents a open database. """ # Get the current selection store, node = selection.get_selected() # if nothing is selected if not node: self.connect.set_sensitive(False) self.rename.set_sensitive(False) self.rcs.set_sensitive(False) self.repair.set_sensitive(False) self.remove.set_sensitive(False) return path = self.model.get_path(node) if path is None: return is_rev = len(path) > 1 self.rcs.set_label(RCS_BUTTON[is_rev]) if store.get_value(node, STOCK_COL) == gtk.STOCK_OPEN: self.connect.set_sensitive(False) if _RCS_FOUND: self.rcs.set_sensitive(True) else: self.connect.set_sensitive(not is_rev) if _RCS_FOUND and is_rev: self.rcs.set_sensitive(True) else: self.rcs.set_sensitive(False) if store.get_value(node, STOCK_COL) == gtk.STOCK_DIALOG_ERROR: path = store.get_value(node, PATH_COL) backup = os.path.join(path, "person.gbkp") self.repair.set_sensitive(os.path.isfile(backup)) else: self.repair.set_sensitive(False) self.rename.set_sensitive(True) self.remove.set_sensitive(True) def __build_interface(self): """ Builds the columns for the TreeView. The columns are: Icon, Database Name, Last Modified The Icon column gets its data from column 6 of the database model. It is expecting either None, or a GTK stock icon name The Database Name column is an editable column. We connect to the 'edited' signal, so that we can change the name when the user changes the column. The last modified column simply displays the last modification time. """ # build the database name column render = gtk.CellRendererText() render.set_property('ellipsize', pango.ELLIPSIZE_END) render.connect('edited', self.__change_name) render.connect('editing-canceled', self.__stop_edit) render.connect('editing-started', self.__start_edit) self.column = gtk.TreeViewColumn(_('Family tree name'), render, text=NAME_COL) self.column.set_sort_column_id(NAME_COL) self.column.set_resizable(True) self.column.set_min_width(275) self.dblist.append_column(self.column) self.name_renderer = render # build the icon column render = gtk.CellRendererPixbuf() icon_column = gtk.TreeViewColumn(_('Status'), render, stock_id=STOCK_COL) self.dblist.append_column(icon_column) # build the last modified column render = gtk.CellRendererText() column = gtk.TreeViewColumn(_('Last modified'), render, text=DATE_COL) column.set_sort_column_id(DSORT_COL) self.dblist.append_column(column) # set the rules hit self.dblist.set_rules_hint(True) def __populate(self): """ Builds the data and the display model. """ self._populate_cli() self._populate_model() def _populate_model(self): """ Builds the display model. """ self.model = gtk.TreeStore(str, str, str, str, int, bool, str) #use current names to set up the model for items in self.current_names: data = list(items[:7]) node = self.model.append(None, data) for rdata in find_revisions(os.path.join(items[1], ARCHIVE_V)): data = [ rdata[2], rdata[0], items[1], rdata[1], 0, False, "" ] self.model.append(node, data) self.dblist.set_model(self.model) def existing_name(self, name, skippath=None): """ Return true if a name is present in the model already. If skippath given, the name of skippath is not considered """ iter = self.model.get_iter_first() while (iter): path = self.model.get_path(iter) if path == skippath: continue itername = self.model.get_value(iter, NAME_COL) if itername.strip() == name.strip(): return True iter = self.model.iter_next(iter) return False def run(self): """ Runs the dialog, returning None if nothing has been chosen, or the path and name if something has been selected """ while True: value = self.top.run() if value == gtk.RESPONSE_OK: store, node = self.selection.get_selected() # don't open a locked file if store.get_value(node, STOCK_COL) == 'gramps-lock': self.__ask_to_break_lock(store, node) continue # don't open a version if len(store.get_path(node)) > 1: continue if node: self.top.destroy() del self.selection del self.name_renderer return (store.get_value(node, PATH_COL), store.get_value(node, NAME_COL)) else: self.top.destroy() del self.selection del self.name_renderer return None def __ask_to_break_lock(self, store, node): """ Prompts the user for permission to break the lock file that another process has set on the file. """ path = store.get_path(node) self.lock_file = store[path][PATH_COL] QuestionDialog( _("Break the lock on the '%s' database?") % store[path][0], _("Gramps believes that someone else is actively editing " "this database. You cannot edit this database while it " "is locked. If no one is editing the database you may " "safely break the lock. However, if someone else is editing " "the database and you break the lock, you may corrupt the " "database."), _("Break lock"), self.__really_break_lock) def __really_break_lock(self): """ Deletes the lock file associated with the selected database, then updates the display appropriately. """ try: self.break_lock(self.lock_file) store, node = self.selection.get_selected() dbpath = store.get_value(node, PATH_COL) (tval, last) = time_val(dbpath) store.set_value(node, OPEN_COL, 0) store.set_value(node, STOCK_COL, "") store.set_value(node, DATE_COL, last) store.set_value(node, DSORT_COL, tval) except IOError: return def __stop_edit(self, *args): self.name_renderer.set_property('editable', False) self.__update_buttons(self.selection) def __start_edit(self, *args): """ Do no allow to click Load while changing name, to force users to finish the action of renaming. Hack around the fact that clicking button sends a 'editing-canceled' signal loosing the new name """ self.connect.set_sensitive(False) self.rename.set_sensitive(False) def __change_name(self, renderer_sel, path, new_text): """ Change the name of the database. This is a callback from the column, which has been marked as editable. If the new string is empty, do nothing. Otherwise, renaming the database is simply changing the contents of the name file. """ if len(new_text) > 0: node = self.model.get_iter(path) old_text = self.model.get_value(node, NAME_COL) if not old_text.strip() == new_text.strip(): #If there is a ":" in path, then it as revision if ":" in path : self.__rename_revision(path, new_text) else: self.__rename_database(path, new_text) self.name_renderer.set_property('editable', False) self.__update_buttons(self.selection) def __rename_revision(self, path, new_text): """ Renames the RCS revision using the rcs command. The rcs command is in the format of: rcs -mREV:NEW_NAME archive """ node = self.model.get_iter(path) db_dir = self.model.get_value(node, FILE_COL) rev = self.model.get_value(node, PATH_COL) archive = os.path.join(db_dir, ARCHIVE_V) cmd = [ "rcs", "-x,v", "-m%s:%s" % (rev, new_text), archive ] proc = subprocess.Popen(cmd, stderr = subprocess.PIPE) status = proc.wait() message = "\n".join(proc.stderr.readlines()) proc.stderr.close() del proc if status != 0: ErrorDialog( _("Rename failed"), _("An attempt to rename a version failed " "with the following message:\n\n%s") % message ) else: self.model.set_value(node, NAME_COL, new_text) def __rename_database(self, path, new_text): """ Renames the database by writing the new value to the name.txt file """ new_text = new_text.strip() node = self.model.get_iter(path) filename = self.model.get_value(node, FILE_COL) if self.existing_name(new_text, skippath=path): ErrorDialog( _("Could not rename the Family Tree."), _("Family Tree already exists, choose a unique name.")) return try: name_file = open(filename, "r") old_text=name_file.read() name_file.close() name_file = open(filename, "w") name_file.write(new_text) name_file.close() RecentFiles.rename_filename(old_text, new_text) self.model.set_value(node, NAME_COL, new_text) except (OSError, IOError), msg: ErrorDialog( _("Could not rename family tree"), str(msg)) def __rcs(self, obj): """ Callback for the RCS button. If the tree path is > 1, then we are on an RCS revision, in which case we can check out. If not, then we can only check in. """ store, node = self.selection.get_selected() tree_path = store.get_path(node) if len(tree_path) > 1: parent_node = store.get_iter((tree_path[0],)) parent_name = store.get_value(parent_node, NAME_COL) name = store.get_value(node, NAME_COL) revision = store.get_value(node, PATH_COL) db_path = store.get_value(node, FILE_COL) self.__checkout_copy(parent_name, name, revision, db_path) else: base_path = self.dbstate.db.get_save_path() archive = os.path.join(base_path, ARCHIVE) check_in(self.dbstate.db, archive, None, self.__start_cursor) self.__end_cursor() self.__populate() def __checkout_copy(self, parent_name, name, revision, db_path): """ Create a new database, then extracts a revision from RCS and imports it into the db """ new_path, newname = self._create_new_db("%s : %s" % (parent_name, name)) self.__start_cursor(_("Extracting archive...")) dbclass = DbBsddb dbase = dbclass() dbase.load(new_path, None) self.__start_cursor(_("Importing archive...")) check_out(dbase, revision, db_path, None) self.__end_cursor() dbase.close() def __remove_db(self, obj): """ Callback associated with the Remove button. Get the selected row and data, then call the verification dialog. """ store, node = self.selection.get_selected() path = store.get_path(node) self.data_to_delete = store[path] if len(path) == 1: QuestionDialog( _("Remove the '%s' family tree?") % self.data_to_delete[0], _("Removing this family tree will permanently destroy the data."), _("Remove family tree"), self.__really_delete_db) else: rev = self.data_to_delete[0] parent = store[(path[0],)][0] QuestionDialog( _("Remove the '%(revision)s' version of '%(database)s'") % { 'revision' : rev, 'database' : parent }, _("Removing this version will prevent you from " "extracting it in the future."), _("Remove version"), self.__really_delete_version) def __really_delete_db(self): """ Delete the selected database. If the database is open, close it first. Then scan the database directory, deleting the files, and finally removing the directory. """ # close the database if the user has requested to delete the # active database if self.data_to_delete[OPEN_COL]: self.dbstate.no_database() store, node = self.selection.get_selected() path = store.get_path(node) node = self.model.get_iter(path) filename = self.model.get_value(node, FILE_COL) try: name_file = open(filename, "r") file_name_to_delete=name_file.read() name_file.close() RecentFiles.remove_filename(file_name_to_delete) for (top, dirs, files) in os.walk(self.data_to_delete[1]): for filename in files: os.unlink(os.path.join(top, filename)) os.rmdir(self.data_to_delete[1]) except (IOError, OSError), msg: ErrorDialog(_("Could not delete family tree"), str(msg)) # rebuild the display self.__populate() def __really_delete_version(self): """ Delete the selected database. If the database is open, close it first. Then scan the database directory, deleting the files, and finally removing the directory. """ db_dir = self.data_to_delete[FILE_COL] rev = self.data_to_delete[PATH_COL] archive = os.path.join(db_dir, ARCHIVE_V) cmd = [ "rcs", "-x,v", "-o%s" % rev, "-q", archive ] proc = subprocess.Popen(cmd, stderr = subprocess.PIPE) status = proc.wait() message = "\n".join(proc.stderr.readlines()) proc.stderr.close() del proc if status != 0: ErrorDialog( _("Deletion failed"), _("An attempt to delete a version failed " "with the following message:\n\n%s") % message ) # rebuild the display self.__populate() def __rename_db(self, obj): """ Start the rename process by calling the start_editing option on the line with the cursor. """ store, node = self.selection.get_selected() path = self.model.get_path(node) self.name_renderer.set_property('editable', True) self.dblist.set_cursor(path, focus_column=self.column, start_editing=True) def __repair_db(self, obj): """ Start the repair process by calling the start_editing option on the line with the cursor. """ store, node = self.selection.get_selected() dirname = store[node][1] opened = store[node][5] if opened: self.dbstate.no_database() # delete files that are not backup files or the .txt file for filename in os.listdir(dirname): if os.path.splitext(filename)[1] not in (".gbkp", ".txt"): fname = os.path.join(dirname, filename) os.unlink(fname) newdb = DbBsddb() newdb.write_version(dirname) dbclass = DbBsddb dbase = dbclass() dbase.set_save_path(dirname) dbase.load(dirname, None) self.__start_cursor(_("Rebuilding database from backup files")) try: restore(dbase) except DbException, msg: ErrorDialog(_("Error restoring backup data"), msg) self.__end_cursor() dbase.close() self.dbstate.no_database() self.__populate() def __start_cursor(self, msg): """ Set the cursor to the busy state, and displays the associated message """ self.msg.set_label(msg) self.top.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.WATCH)) while (gtk.events_pending()): gtk.main_iteration() def __end_cursor(self): """ Set the cursor back to normal and clears the message """ self.top.window.set_cursor(None) self.msg.set_label("") def __new_db(self, obj): """ Callback wrapper around the actual routine that creates the new database. Catch OSError and IOError and display a warning message. """ self.new.set_sensitive(False) try: self._create_new_db() except (OSError, IOError), msg: ErrorDialog(_("Could not create family tree"), str(msg)) self.new.set_sensitive(True) def _create_new_db(self, title=None): """ Create a new database, append to model """ new_path, title = self.create_new_db_cli(title) path_name = os.path.join(new_path, NAME_FILE) (tval, last) = time_val(new_path) node = self.model.append(None, [title, new_path, path_name, last, tval, False, '']) self.selection.select_iter(node) path = self.model.get_path(node) self.name_renderer.set_property('editable', True) self.dblist.set_cursor(path, focus_column=self.column, start_editing=True) return new_path, title def __drag_data_received(self, widget, context, xpos, ypos, selection, info, rtime): """ Handle the reception of drag data """ drag_value = selection.data fname = None type = None title = None # we are only interested in this if it is a file:// URL. if drag_value and drag_value[0:7] == "file://": drag_value = drag_value.strip() fname, title = self.import_new_db(drag_value[7:], None) return fname, title def drag_motion(wid, context, xpos, ypos, time_stamp): """ DND callback that is called on a DND drag motion begin """ context.drag_status(gtk.gdk.ACTION_COPY, time_stamp) return True def drop_cb(wid, context, xpos, ypos, time_stamp): """ DND callback that finishes the DND operation """ context.finish(True, False, time_stamp) return True def find_revisions(name): """ Finds all the revisions of the specified RCS archive. """ import re rev = re.compile("\s*revision\s+([\d\.]+)") date = re.compile("date:\s+(\d\d\d\d-\d\d-\d\d \d\d:\d\d:\d\d)[-+]\d\d;") if not os.path.isfile(name) or not _RCS_FOUND: return [] rlog = [ "rlog", "-x,v", "-zLT" , name ] proc = subprocess.Popen(rlog, stdout = subprocess.PIPE) proc.wait() revlist = [] date_str = "" rev_str = "" com_str = "" get_next = False if os.path.isfile(name): for line in proc.stdout: match = rev.match(line) if match: rev_str = copy.copy(match.groups()[0]) continue match = date.match(line) if match: date_str = time.strftime('%x %X', time.strptime(match.groups()[0], '%Y-%m-%d %H:%M:%S')) get_next = True continue if get_next: get_next = False com_str = line.strip() revlist.append((rev_str, date_str, com_str)) proc.stdout.close() del proc return revlist def check_out(dbase, rev, path, callback): """ Checks out the revision from rcs, and loads the resulting XML file into the database. """ co_cmd = [ "co", "-x,v", "-q%s" % rev] + [ os.path.join(path, ARCHIVE), os.path.join(path, ARCHIVE_V)] proc = subprocess.Popen(co_cmd, stderr = subprocess.PIPE) status = proc.wait() message = "\n".join(proc.stderr.readlines()) proc.stderr.close() del proc if status != 0: ErrorDialog( _("Retrieve failed"), _("An attempt to retrieve the data failed " "with the following message:\n\n%s") % message ) return pmgr = GuiPluginManager.get_instance() for plugin in pmgr.get_import_plugins(): if plugin.get_extension() == "gramps": rdr = plugin.get_import_function() xml_file = os.path.join(path, ARCHIVE) rdr(dbase, xml_file, callback) os.unlink(xml_file) def check_in(dbase, filename, callback, cursor_func = None): """ Checks in the specified file into RCS """ init = [ "rcs", '-x,v', '-i', '-U', '-q', '-t-"Gramps database"' ] ci_cmd = [ "ci", '-x,v', "-q", "-f" ] archive_name = filename + ",v" glade = Glade(toplevel='comment') top = glade.toplevel text = glade.get_object('description') top.run() comment = text.get_text() top.destroy() if not os.path.isfile(archive_name): cmd = init + [archive_name] proc = subprocess.Popen(cmd, stderr = subprocess.PIPE) status = proc.wait() message = "\n".join(proc.stderr.readlines()) proc.stderr.close() del proc if status != 0: ErrorDialog( _("Archiving failed"), _("An attempt to create the archive failed " "with the following message:\n\n%s") % message ) if cursor_func: cursor_func(_("Creating data to be archived...")) plugin_manager = GuiPluginManager.get_instance() for plugin in plugin_manager.get_export_plugins(): if plugin.get_extension() == "gramps": export_function = plugin.get_export_function() export_function(dbase, filename, None, callback) if cursor_func: cursor_func(_("Saving archive...")) cmd = ci_cmd + ['-m%s' % comment, filename, archive_name ] proc = subprocess.Popen(cmd, stderr = subprocess.PIPE) status = proc.wait() message = "\n".join(proc.stderr.readlines()) proc.stderr.close() del proc if status != 0: ErrorDialog( _("Archiving failed"), _("An attempt to archive the data failed " "with the following message:\n\n%s") % message )