4261e46bf9
* src/FilterEditor/_ShowResults.py * src/GrampsCfg.py * src/ReportBase/_StyleComboBox.py * src/ReportBase/_PaperMenu.py * src/ReportBase/_BookFormatComboBox.py * src/ReportBase/_DrawFormatComboBox.py * src/ReportBase/_GraphvizReportDialog.py * src/ReportBase/_TextFormatComboBox.py * src/DisplayTabs/_GalleryTab.py * src/ColumnOrder.py * src/plugins/WebCal.py * src/plugins/RemoveUnused.py * src/plugins/Verify.py * src/plugins/PatchNames.py * src/ObjectSelector/_FamilyFilterFrame.py * src/ObjectSelector/_PersonFilterFrame.py * src/GrampsWidgets.py * src/ExportOptions.py * src/DdTargets.py * src/AutoComp.py * src/UndoHistory.py * src/PluginUtils/_PluginWindows.py * src/DbLoader.py * src/Filters/_FilterMenu.py pylint fixes + init gtk.ListStore() with gobject.TYPE_BOOLEAN types instead of str, int, bool etc + Documentation fixes svn: r9905
241 lines
7.7 KiB
Python
241 lines
7.7 KiB
Python
# -*- python -*-
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# -*- coding: utf-8 -*-
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#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2000-2005 Donald N. Allingham
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# $Id$
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"""
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This module provides management of all the drag and drop target information
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required by gramps widgets.
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Adding a new drag and drop target.
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==================================
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To add a new target: add a new _DdType to in _DdTargets.__init__ and
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then add this new type to the list returned from either all_text_types()
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and all_text_targets() or or all_gramps_targets() and all_gramps_types().
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Usage
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=====
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The module defines a singleton instance of _DdTargets called DdTargets.
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from DdTargets import DdTargets
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drag_dest_set(gtk.DEST_DEFAULT_ALL,
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DdTargets.all_targets(),
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ACTION_COPY)
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"""
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#-------------------------------------------------------------------------
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#
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# set up logging
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#
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#-------------------------------------------------------------------------
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import logging
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log = logging.getLogger(".DdTargets")
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class _DdType:
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"""Represents the fields needed by a drag and drop traget."""
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_APP_ID_OFFSET = 40 # Starting value of app_ids
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def __init__(self, container, drag_type, target_flags=0, app_id=None):
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"""Create a new DdType:
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drag_type: string holding the name of the type.
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target_flags: int value that will be passed to drop target.
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app_id: integer target id passed to drop target.
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"""
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self.drag_type = drag_type
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self.target_flags = target_flags
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self.app_id = app_id or self._calculate_id()
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container.insert(self)
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def _calculate_id(self):
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"""Return the next available app_id."""
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idval = _DdType._APP_ID_OFFSET
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_DdType._APP_ID_OFFSET += 1
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return idval
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def target(self):
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"""Return the full target information in the format required by the
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Gtk functions.
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"""
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return (self.drag_type, self.target_flags, self.app_id)
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class _DdTargets(object):
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"""A single class that manages all the drag and drop targets."""
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_instance = None # Singleton instance
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def __new__(cls):
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"""Ensure that we never have more than one instance."""
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if _DdTargets._instance:
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return _DdTargets._instance
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_DdTargets._instance = object.__new__(cls)
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return _DdTargets._instance
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def __init__(self):
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"""Set up the drag and drop targets."""
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self._type_map = {}
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self._app_id_map = {}
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self.URL = _DdType(self, 'url')
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self.EVENT = _DdType(self, 'pevent')
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self.EVENTREF = _DdType(self, 'eventref')
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self.ATTRIBUTE = _DdType(self, 'pattr')
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self.ADDRESS = _DdType(self, 'paddr')
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self.LOCATION = _DdType(self, 'location')
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self.SOURCEREF = _DdType(self, 'srcref')
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self.REPOREF = _DdType(self, 'reporef')
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self.REPO_LINK = _DdType(self, 'repo-link')
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self.PLACE_LINK = _DdType(self, 'place-link')
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self.NAME = _DdType(self, 'name')
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self.MEDIAOBJ = _DdType(self, 'mediaobj')
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self.MEDIAREF = _DdType(self, 'mediaref')
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self.DATA = _DdType(self, 'data_tuple')
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self.NOTE_LINK = _DdType(self, 'note-link')
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self.PERSON_LINK = _DdType(self, 'person-link')
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self.PERSON_LINK_LIST = _DdType(self, 'person-link-list')
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self.PERSONREF = _DdType(self, 'personref')
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self.SOURCE_LINK = _DdType(self, 'source-link')
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self.FAMILY_EVENT = _DdType(self, 'fevent')
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self.FAMILY_ATTRIBUTE = _DdType(self, 'fattr')
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# List of all types that are used between
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# gramps widgets but should not be exported
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# to non gramps widgets.
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self._all_gramps_types = [
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self.URL,
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self.EVENT,
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self.ATTRIBUTE,
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self.ADDRESS,
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self.LOCATION,
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self.SOURCEREF,
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self.EVENTREF,
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self.NAME,
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self.REPOREF,
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self.MEDIAOBJ,
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self.MEDIAREF,
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self.REPO_LINK,
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self.PLACE_LINK,
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self.SOURCE_LINK,
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self.PERSON_LINK,
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self.PERSON_LINK_LIST,
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self.PERSONREF,
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self.NOTE_LINK,
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]
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self.CHILD = _DdType(self, 'child')
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self.SPOUSE = _DdType(self, 'spouse')
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self.TEXT = _DdType(self, 'TEXT', 0, 1)
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self.TEXT_MIME = _DdType(self, 'text/plain', 0, 0)
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self.STRING = _DdType(self, 'STRING', 0, 2)
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self.COMPOUND_TEXT = _DdType(self, 'COMPOUND_TEXT', 0, 3)
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self.UTF8_STRING = _DdType(self, 'UTF8_STRING', 0, 4)
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self.URI_LIST = _DdType(self, 'text/uri-list', 0, 5)
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self.APP_ROOT = _DdType(self, 'application/x-rootwin-drop', 0, 6)
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# List of all the test types. These are types
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# that can be interpreted as text.
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self._all_text_types = (self.UTF8_STRING,
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self.TEXT,
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self.TEXT_MIME,
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self.STRING,
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self.COMPOUND_TEXT)
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def insert(self, dd_type):
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"""Add a target to the lookup lists. These lists are
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used purely for performance reasons."""
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self._type_map[dd_type.drag_type] = dd_type
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self._app_id_map[dd_type.app_id] = dd_type
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def get_dd_type_from_type_name(self, type_name):
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return self._type_map.get(type_name, None)
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def get_dd_type_from_app_id(self, app_id):
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return self._app_id_map.get(app_id, None)
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def is_text_type(self, type_name):
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return type_name in self.all_text_types()
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def all_text(self):
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return self._all_text_types
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def all_text_types(self):
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"""return a list of all the type names that could be
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used as the type of a string."""
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return tuple([t.drag_type for t in self._all_text_types])
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def is_gramps_type(self, type_name):
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return type_name in self.all_gramps_types()
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def all_gramps_types(self):
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"""return a list of all the type names that are internal
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to gramps."""
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return tuple([t.drag_type for t in self._all_gramps_types])
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def all_text_targets(self):
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"""return a list of all the targets that could be used
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for text."""
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return tuple([t.target() for t in self._all_text_types])
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def all_gramps_targets(self):
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"""return a list off the internal gramps targets."""
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return tuple([t.target() for t in self._all_gramps_types])
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def all_targets(self):
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"""return a list of all the known targets."""
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return self.all_gramps_targets() + self.all_text_targets()
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# Create the singleton instance.
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DdTargets = _DdTargets()
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#
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# Below here is test code.
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#
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if __name__ == "__main__":
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print repr(DdTargets.all_text_types())
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print repr(DdTargets.URL)
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print DdTargets.is_gramps_type('pevent')
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