478 lines
18 KiB
Python
478 lines
18 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2000-2006 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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Family object for GRAMPS
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"""
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#-------------------------------------------------------------------------
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#
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# standard python modules
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#
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#-------------------------------------------------------------------------
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from warnings import warn
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#-------------------------------------------------------------------------
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#
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# GRAMPS modules
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#
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#-------------------------------------------------------------------------
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from _PrimaryObject import PrimaryObject
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from _SourceBase import SourceBase
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from _NoteBase import NoteBase
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from _MediaBase import MediaBase
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from _AttributeBase import AttributeBase
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from _EventRef import EventRef
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from _LdsOrdBase import LdsOrdBase
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from _ChildRef import ChildRef
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from _FamilyRelType import FamilyRelType
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#-------------------------------------------------------------------------
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#
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# Family class
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#
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#-------------------------------------------------------------------------
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class Family(PrimaryObject,SourceBase,NoteBase,MediaBase,AttributeBase,
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LdsOrdBase):
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"""
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Introduction
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============
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The Family record is the GRAMPS in-memory representation of the
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relationships between people. It contains all the information
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related to the relationship.
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Usage
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=====
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Family objects are usually created in one of two ways.
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1. Creating a new Family object, which is then initialized and
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added to the database.
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2. Retrieving an object from the database using the records
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handle.
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Once a Family object has been modified, it must be committed
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to the database using the database object's commit_family function,
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or the changes will be lost.
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"""
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def __init__(self):
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"""
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Creates a new Family instance. After initialization, most
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data items have empty or null values, including the database
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handle.
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"""
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PrimaryObject.__init__(self)
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SourceBase.__init__(self)
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NoteBase.__init__(self)
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MediaBase.__init__(self)
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AttributeBase.__init__(self)
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LdsOrdBase.__init__(self)
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self.father_handle = None
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self.mother_handle = None
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self.child_ref_list = []
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self.type = FamilyRelType()
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self.event_ref_list = []
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self.complete = 0
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def serialize(self):
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"""
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Converts the data held in the event to a Python tuple that
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represents all the data elements. This method is used to convert
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the object into a form that can easily be saved to a database.
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These elements may be primative Python types (string, integers),
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complex Python types (lists or tuples, or Python objects. If the
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target database cannot handle complex types (such as objectes or
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lists), the database is responsible for converting the data into
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a form that it can use.
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@returns: Returns a python tuple containing the data that should
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be considered persistent.
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@rtype: tuple
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"""
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return (self.handle, self.gramps_id, self.father_handle,
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self.mother_handle,
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[cr.serialize() for cr in self.child_ref_list],
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self.type.serialize(),
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[er.serialize() for er in self.event_ref_list],
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MediaBase.serialize(self),
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AttributeBase.serialize(self),
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LdsOrdBase.serialize(self),
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SourceBase.serialize(self),
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NoteBase.serialize(self),
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self.change, self.marker.serialize(), self.private)
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def unserialize(self, data):
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"""
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Converts the data held in a tuple created by the serialize method
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back into the data in a Family structure.
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"""
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(self.handle, self.gramps_id, self.father_handle, self.mother_handle,
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child_ref_list, the_type, event_ref_list, media_list,
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attribute_list, lds_seal_list, source_list, note,
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self.change, marker, self.private) = data
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self.marker.unserialize(marker)
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self.type.unserialize(the_type)
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self.event_ref_list = [EventRef().unserialize(er)
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for er in event_ref_list]
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self.child_ref_list = [ChildRef().unserialize(cr)
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for cr in child_ref_list]
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MediaBase.unserialize(self,media_list)
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AttributeBase.unserialize(self,attribute_list)
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SourceBase.unserialize(self,source_list)
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NoteBase.unserialize(self,note)
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LdsOrdBase.unserialize(self,lds_seal_list)
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def _has_handle_reference(self,classname,handle):
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if classname == 'Event':
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return handle in [ref.ref for ref in self.event_ref_list]
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elif classname == 'Person':
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return handle in ([ref.ref for ref in self.child_ref_list]
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+ [self.father_handle,self.mother_handle])
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elif classname == 'Place':
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return handle in [ x.place for x in self.lds_ord_list ]
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return False
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def _remove_handle_references(self,classname,handle_list):
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if classname == 'Event':
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new_list = [ ref for ref in self.event_ref_list \
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if ref.ref not in handle_list ]
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self.event_ref_list = new_list
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elif classname == 'Person':
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new_list = [ ref for ref in self.child_ref_list \
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if ref.ref not in handle_list ]
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self.child_ref_list = new_list
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if self.father_handle in handle_list:
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self.father_handle = None
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if self.mother_handle in handle_list:
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self.mother_handle = None
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elif classname == 'Place':
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for x in self.lds_ord_list:
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if x.place in handle_list:
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x.place = None
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def _replace_handle_reference(self,classname,old_handle,new_handle):
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if classname == 'Event':
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handle_list = [ref.ref for ref in self.event_ref_list]
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while old_handle in handle_list:
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ix = handle_list.index(old_handle)
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self.event_ref_list[ix].ref = new_handle
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handle_list[ix] = ''
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elif classname == 'Person':
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handle_list = [ref.ref for ref in self.child_ref_list]
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while old_handle in handle_list:
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ix = handle_list.index(old_handle)
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self.child_ref_list[ix].ref = new_handle
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handle_list[ix] = ''
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if self.father_handle == old_handle:
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self.father_handle = new_handle
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if self.mother_handle == old_handle:
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self.mother_handle = new_handle
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elif classname == 'Place':
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for x in self.lds_ord_list:
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if x.place == old_handle:
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x.place = new_handle
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def get_text_data_list(self):
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"""
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Returns the list of all textual attributes of the object.
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@return: Returns the list of all textual attributes of the object.
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@rtype: list
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"""
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return [self.gramps_id]
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def get_text_data_child_list(self):
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"""
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Returns the list of child objects that may carry textual data.
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@return: Returns the list of child objects that may carry textual data.
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@rtype: list
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"""
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check_list = self.lds_ord_list + [self.note]
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add_list = [item for item in check_list if item]
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return self.media_list + self.attribute_list + \
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self.source_list + add_list
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def get_sourcref_child_list(self):
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"""
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Returns the list of child secondary objects that may refer sources.
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@return: Returns the list of child secondary child objects that may refer sources.
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@rtype: list
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"""
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check_list = self.media_list + self.attribute_list + self.lds_ord_list + \
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self.child_ref_list
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return check_list
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def get_referenced_handles(self):
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"""
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Returns the list of (classname,handle) tuples for all directly
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referenced primary objects.
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@return: Returns the list of (classname,handle) tuples for referenced objects.
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@rtype: list
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"""
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ret = []
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ret += [('Event',ref.ref) for ref in self.event_ref_list]
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ret += [('Person',handle) for handle
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in ([ref.ref for ref in self.child_ref_list] +
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[self.father_handle,self.mother_handle])
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if handle]
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return ret
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def get_handle_referents(self):
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"""
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Returns the list of child objects which may, directly or through
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their children, reference primary objects..
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@return: Returns the list of objects refereincing primary objects.
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@rtype: list
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"""
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return self.get_sourcref_child_list() + self.source_list
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def set_complete_flag(self,val):
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"""
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Sets or clears the complete flag, which is used to indicate that the
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Family's data is considered to be complete.
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@param val: True indicates the Family object is considered to be
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complete
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@type val: bool
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"""
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self.complete = val
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def get_complete_flag(self):
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"""
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Returns the complete flag, which is used to indicate that the
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Family's data is considered to be complete.
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@return: True indicates that the Family's record is considered to
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be complete.
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@rtype: bool
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"""
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return self.complete
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def set_relationship(self,relationship_type):
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"""
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Sets the relationship type between the people identified as the
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father and mother in the relationship. The type is a tuple whose
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first item is an integer constant and whose second item is
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the string. The valid values are:
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- C{FamilyRelType.MARRIED} : indicates a legally recognized married
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relationship between two individuals. This may be either
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an opposite or a same sex relationship.
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- C{FamilyRelType.UNMARRIED} : indicates a relationship between two
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individuals that is not a legally recognized relationship.
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- C{FamilyRelType.CIVIL_UNION} : indicates a legally recongnized,
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non-married relationship between two individuals of the
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same sex.
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- C{FamilyRelType.UNKNOWN} : indicates that the type of relationship
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between the two individuals is not know.
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- C{FamilyRelType.CUSTOM} : indicates that the type of relationship
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between the two individuals does not match any of the
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other types.
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@param relationship_type: (int,str) tuple of the relationship type
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between the father and mother of the relationship.
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@type relationship_type: tuple
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"""
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self.type.set(relationship_type)
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def get_relationship(self):
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"""
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Returns the relationship type between the people identified as the
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father and mother in the relationship.
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"""
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return self.type
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def set_father_handle(self,person_handle):
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"""
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Sets the database handle for L{Person} that corresponds to
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male of the relationship. For a same sex relationship, this
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can represent either of people involved in the relationship.
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@param person_handle: L{Person} database handle
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@type person_handle: str
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"""
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self.father_handle = person_handle
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def get_father_handle(self):
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"""
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Returns the database handle of the L{Person} identified as
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the father of the Family.
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@returns: L{Person} database handle
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@rtype: str
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"""
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return self.father_handle
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def set_mother_handle(self,person_handle):
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"""
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Sets the database handle for L{Person} that corresponds to
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male of the relationship. For a same sex relationship, this
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can represent either of people involved in the relationship.
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@param person_handle: L{Person} database handle
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@type person_handle: str
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"""
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self.mother_handle = person_handle
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def get_mother_handle(self):
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"""
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Returns the database handle of the L{Person} identified as
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the mother of the Family.
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@returns: L{Person} database handle
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@rtype: str
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"""
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return self.mother_handle
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def add_child_ref(self,child_ref):
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"""
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Adds the database handle for L{Person} to the Family's list
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of children.
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@param child_ref: Child Reference instance
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@type child_ref: ChildRef
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"""
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if not isinstance(child_ref,ChildRef):
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raise ValueError("expecting ChildRef instance")
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self.child_ref_list.append(child_ref)
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def remove_child_ref(self,child_ref):
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"""
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Removes the database handle for L{Person} to the Family's list
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of children if the L{Person} is already in the list.
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@param child_ref: Child Reference instance
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@type child_ref: ChildRef
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@return: True if the handle was removed, False if it was not
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in the list.
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@rtype: bool
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"""
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if not isinstance(child_ref,ChildRef):
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raise ValueError("expecting ChildRef instance")
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new_list = [ref for ref in self.child_ref_list
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if ref.ref != child_ref.ref ]
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self.child_ref_list = new_list
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def remove_child_handle(self,child_handle):
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"""
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Removes the database handle for L{Person} to the Family's list
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of children if the L{Person} is already in the list.
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@param child_handle: L{Person} database handle
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@type child_handle: str
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@return: True if the handle was removed, False if it was not
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in the list.
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@rtype: bool
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"""
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new_list = [ref for ref in self.child_ref_list
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if ref.ref != child_handle ]
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self.child_ref_list = new_list
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def get_child_ref_list(self):
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"""
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Returns the list of L{ChildRef} handles identifying the children
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of the Family.
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@return: Returns the list of L{ChildRef} handles assocated with
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the Family.
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@rtype: list
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"""
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return self.child_ref_list
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def set_child_ref_list(self, child_ref_list):
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"""
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Assigns the passed list to the Family's list children.
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@param child_ref_list: List of Child Reference instances to be
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associated as the Family's list of children.
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@type child_ref_list: list of L{ChildRef} instances
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"""
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self.child_ref_list = child_ref_list
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def add_event_handle(self,event_handle):
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warn( "Use add_event_ref instead of add_event_handle", DeprecationWarning, 2)
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# Wrapper for old API
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# remove when transitition done.
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event_ref = EventRef()
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event_ref.set_reference_handle(event_handle)
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self.add_event_ref(event_ref)
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def add_event_ref(self,event_ref):
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"""
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Adds the L{EventRef} to the Family instance's L{EventRef} list.
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This is accomplished by assigning the L{EventRef} for the valid
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L{Event}in the current database.
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@param event_ref: the L{EventRef} to be added to the
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Person's L{EventRef} list.
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@type event_ref: EventRef
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"""
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if event_ref and not isinstance(event_ref,EventRef):
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raise ValueError("Expecting EventRef instance")
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self.event_ref_list.append(event_ref)
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def get_event_list(self) :
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warn( "Use get_event_ref_list instead of get_event_list", DeprecationWarning, 2)
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# Wrapper for old API
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# remove when transitition done.
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event_handle_list = []
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for event_ref in self.get_event_ref_list():
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event_handle_list.append( event_ref.get_reference_handle())
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return event_handle_list
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def get_event_ref_list(self) :
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"""
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Returns the list of L{EventRef} objects associated with L{Event}
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instances.
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@returns: Returns the list of L{EventRef} objects associated with
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the Family instance.
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@rtype: list
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"""
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return self.event_ref_list
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def set_event_list(self,event_list) :
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warn( "Use set_event_ref_list instead of set_event_list", DeprecationWarning, 2)
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# Wrapper for old API
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# remove when transitition done.
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event_ref_list = []
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for event_handle in event_list:
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event_ref = EventRef()
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event_ref.set_reference_handle(event_handle)
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event_ref_list.append( event_ref)
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self.set_event_ref_list(event_ref_list)
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def set_event_ref_list(self,event_ref_list) :
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"""
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Sets the Family instance's L{EventRef} list to the passed list.
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@param event_ref_list: List of valid L{EventRef} objects
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@type event_ref_list: list
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"""
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self.event_ref_list = event_ref_list
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