Source code for gramps.gen.lib.attribute

#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2007  Donald N. Allingham
# Copyright (C) 2010       Michiel D. Nauta
# Copyright (C) 2011       Tim G L Lyons
# Copyright (C) 2017       Nick Hall
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#

"""
Attribute class for Gramps.
"""

#-------------------------------------------------------------------------
#
# Gramps modules
#
#-------------------------------------------------------------------------
from .secondaryobj import SecondaryObject
from .privacybase import PrivacyBase
from .citationbase import CitationBase
from .notebase import NoteBase
from .attrtype import AttributeType
from .const import IDENTICAL, EQUAL, DIFFERENT
from ..const import GRAMPS_LOCALE as glocale
_ = glocale.translation.gettext

#-------------------------------------------------------------------------
#
# Root object for Attribute
#
#-------------------------------------------------------------------------
[docs] class AttributeRoot(SecondaryObject, PrivacyBase): """ Provide a simple key/value pair for describing properties. Used to store descriptive information. In GEDCOM only used for Persons: Individual attributes should describe situations that may be permanent or temporary (start at some date, end at some date, etc.), may be associated to a place (a position held, residence, etc.) or may not (eye colour, height, caste, profession, etc.). They may have sources and notes and media. Compare with :class:`~.event.Event` Gramps at the moment does not support this GEDCOM Attribute structure. """ def __init__(self, source=None): """ Create a new Attribute object, copying from the source if provided. """ PrivacyBase.__init__(self, source) #type structure depends on inheriting classes self.type = None self.value = None def __str__(self): return str(self.value)
[docs] def serialize(self): """ Convert the object to a serialized tuple of data. """ return (PrivacyBase.serialize(self), self.type.serialize(), self.value)
[docs] def unserialize(self, data): """ Convert a serialized tuple of data to an object. """ (privacy, the_type, self.value) = data PrivacyBase.unserialize(self, privacy) self.type.unserialize(the_type) return self
[docs] def get_text_data_list(self): """ Return the list of all textual attributes of the object. :returns: Returns the list of all textual attributes of the object. :rtype: list """ return [self.value]
[docs] def get_text_data_child_list(self): """ Return the list of child objects that may carry textual data. :returns: Returns the list of child objects that may carry textual data. :rtype: list """ return []
[docs] def get_note_child_list(self): """ Return the list of child secondary objects that may refer notes. :returns: Returns the list of child secondary child objects that may refer notes. :rtype: list """ return []
[docs] def get_handle_referents(self): """ Return the list of child objects which may, directly or through their children, reference primary objects. :returns: Returns the list of objects referencing primary objects. :rtype: list """ return []
[docs] def get_referenced_handles(self): """ Return the list of (classname, handle) tuples for all directly referenced primary objects. :returns: List of (classname, handle) tuples for referenced objects. :rtype: list """ return []
[docs] def is_equivalent(self, other): """ Return if this attribute is equivalent, that is agrees in type and value, to other. :param other: The attribute to compare this one to. :type other: Attribute :returns: Constant indicating degree of equivalence. :rtype: int """ if self.type != other.type or self.value != other.value: return DIFFERENT else: if self.is_equal(other): return IDENTICAL else: return EQUAL
[docs] def merge(self, acquisition): """ Merge the content of acquisition into this attribute. Lost: type and value of acquisition. :param acquisition: the attribute to merge with the present attribute. :type acquisition: Attribute """ self._merge_privacy(acquisition)
[docs] def set_type(self, val): """Set the type (or key) of the Attribute instance.""" self.type.set(val)
[docs] def get_type(self): """Return the type (or key) or the Attribute instance.""" return self.type
[docs] def set_value(self, val): """Set the value of the Attribute instance.""" self.value = val
[docs] def get_value(self): """Return the value of the Attribute instance.""" return self.value
#------------------------------------------------------------------------- # # Attribute for Person/Family/Media/MediaRef # #-------------------------------------------------------------------------
[docs] class Attribute(AttributeRoot, CitationBase, NoteBase): def __init__(self, source=None): """ Create a new Attribute object, copying from the source if provided. """ AttributeRoot.__init__(self, source) CitationBase.__init__(self, source) NoteBase.__init__(self, source) if source: self.type = AttributeType(source.type) self.value = source.value else: self.type = AttributeType() self.value = ""
[docs] def serialize(self): """ Convert the object to a serialized tuple of data. """ return (PrivacyBase.serialize(self), CitationBase.serialize(self), NoteBase.serialize(self), self.type.serialize(), self.value)
[docs] def unserialize(self, data): """ Convert a serialized tuple of data to an object. """ (privacy, citation_list, note_list, the_type, self.value) = data PrivacyBase.unserialize(self, privacy) CitationBase.unserialize(self, citation_list) NoteBase.unserialize(self, note_list) self.type.unserialize(the_type) return self
[docs] @classmethod def get_schema(cls): """ Returns the JSON Schema for this class. :returns: Returns a dict containing the schema. :rtype: dict """ return { "type": "object", "title": _("Attribute"), "properties": { "_class": {"enum": [cls.__name__]}, "private": {"type": "boolean", "title": _("Private")}, "citation_list": {"type": "array", "title": _("Citations"), "items": {"type": "string", "maxLength": 50}}, "note_list": {"type": "array", "items": {"type": "string", "maxLength": 50}, "title": _("Notes")}, "type": AttributeType.get_schema(), "value": {"type": "string", "title": _("Value")} } }
[docs] def get_referenced_handles(self): """ Return the list of (classname, handle) tuples for all directly referenced primary objects. :returns: List of (classname, handle) tuples for referenced objects. :rtype: list """ return self.get_referenced_note_handles() + \ self.get_referenced_citation_handles()
[docs] def merge(self, acquisition): """ Merge the content of acquisition into this attribute. Lost: type and value of acquisition. :param acquisition: the attribute to merge with the present attribute. :type acquisition: Attribute """ AttributeRoot.merge(self, acquisition) self._merge_citation_list(acquisition) self._merge_note_list(acquisition)