X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/07fdba2c7fe8e11b6867712d47bdd608e88c29fb..f8e5f031c04122d65d1066077be3920ae95518ae:/librarian/__init__.py?ds=sidebyside diff --git a/librarian/__init__.py b/librarian/__init__.py index e69de29..5997a4e 100644 --- a/librarian/__init__.py +++ b/librarian/__init__.py @@ -0,0 +1,88 @@ +# -*- coding: utf-8 -*- +# exception classes + +class ParseError(Exception): + + def __init__(self, cause, message=None): + self.cause = cause + try: + self.message = message or self.cause.message + except: + self.message = "No message." + +class ValidationError(Exception): + pass + +class NoDublinCore(ValidationError): + pass + +class XMLNamespace(object): + '''A handy structure to repsent names in an XML namespace.''' + + def __init__(self, uri): + self.uri = uri + + def __call__(self, tag): + return '{%s}%s' % (self.uri, tag) + + def __contains__(self, tag): + return tag.startswith('{'+str(self)+'}') + + def __repr__(self): + return 'XMLNamespace(%r)' % self.uri + + def __str__(self): + return '%s' % self.uri + +class EmptyNamespace(XMLNamespace): + def __init__(self): + super(EmptyNamespace, self).__init__('') + + def __call__(self, tag): + return tag + +# some common namespaces we use +RDFNS = XMLNamespace('http://www.w3.org/1999/02/22-rdf-syntax-ns#') +DCNS = XMLNamespace('http://purl.org/dc/elements/1.1/') +XINS = XMLNamespace("http://www.w3.org/2001/XInclude") +XHTMLNS = XMLNamespace("http://www.w3.org/1999/xhtml") + +WLNS = EmptyNamespace() + +import lxml.etree as etree +import dcparser + +DEFAULT_BOOKINFO = dcparser.BookInfo( + { RDFNS('about'): u'http://wiki.wolnepodreczniki.pl/Lektury:Template'},\ + { DCNS('creator'): [u'Some, Author'], + DCNS('title'): [u'Some Title'], + DCNS('subject.period'): [u'Unknown'], + DCNS('subject.type'): [u'Unknown'], + DCNS('subject.genre'): [u'Unknown'], + DCNS('date'): ['1970-01-01'], + # DCNS('date'): [creation_date], + DCNS('publisher'): [u"Fundacja Nowoczesna Polska"], + DCNS('description'): + [u"""Publikacja zrealizowana w ramach projektu + Wolne Lektury (http://wolnelektury.pl). Reprodukcja cyfrowa + wykonana przez Bibliotekę Narodową z egzemplarza + pochodzącego ze zbiorów BN."""], + DCNS('identifier.url'): + [u"http://wolnelektury.pl/katalog/lektura/template"], + DCNS('rights'): + [u"Domena publiczna - zm. [OPIS STANU PRAWNEGO TEKSTU]"] }) + +def xinclude_forURI(uri): + e = etree.Element( XINS("include") ) + e.set("href", uri) + return etree.tostring(e, encoding=unicode) + +def wrap_text(ocrtext, creation_date, bookinfo=DEFAULT_BOOKINFO): + """Wrap the text within the minimal XML structure with a DC template.""" + bookinfo.created_at = creation_date + + dcstring = etree.tostring(bookinfo.to_etree(),\ + method='xml', encoding=unicode, pretty_print=True) + + return u'\n' + dcstring + u'\n\n' + ocrtext +\ + u'\n\n'; \ No newline at end of file