def __init__( self ):
"""
Constructor: expects the filepath of the source XML file.
Loads (and crudely validates the XML file) into an element tree.
"""
self._filenameBase = 'BibleOrganisationalSystems'
# These fields are used for parsing the XML
self._treeTag = 'BibleOrganisationalSystems'
self._headerTag = 'header'
self._mainElementTag = 'BibleOrganisationalSystem'
# These fields are used for automatically checking/validating the XML
self._compulsoryAttributes = ( 'type', )
self._optionalAttributes = ()
self._uniqueAttributes = ()
self._compulsoryElements = ( 'referenceAbbreviation', 'languageCode', )
self._optionalElements = ( 'name', 'completionDate', 'publicationDate', 'copyright', 'versificationSystem', 'punctuationSystem', 'bookOrderSystem', 'booksNamesSystem',
'translator', 'publisher', 'derivedFrom', 'usesText', 'includesBooks', 'url', 'comment', )
self._uniqueElements = ()
self._allowedMultiple = ( 'name', 'translator', 'derivedFrom', 'usesText', 'url', 'comment', )
# These are fields that we will fill later
self.title, self.version, self.date = None, None, None
self.header, self._XMLtree = None, None
self.__dataDicts = None
# Get the data tables that we need for proper checking
self._ISOLanguages = ISO_639_3_Languages().loadData()
self._BibleBookOrderSystems = BibleBookOrderSystems().loadData()
self._BiblePunctuationSystems = BiblePunctuationSystems().loadData()
self._BibleVersificationSystems = BibleVersificationSystems().loadData()
self._BibleBooksNamesSystems = BibleBooksNamesSystems().loadData()
