X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/b25c0f434cc50d48379fc8aa4c1bf5ea32212396..cf3ac93f45c18f1e385c1f1bbc02bfc3dfa7bdf7:/librarian/parser.py?ds=inline diff --git a/librarian/parser.py b/librarian/parser.py old mode 100755 new mode 100644 index ae4ffa0..b470957 --- a/librarian/parser.py +++ b/librarian/parser.py @@ -1,4 +1,8 @@ # -*- coding: utf-8 -*- +# +# This file is part of Librarian, licensed under GNU Affero GPLv3 or later. +# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. +# from librarian import ValidationError, NoDublinCore, ParseError from librarian import RDFNS from librarian import dcparser @@ -17,9 +21,9 @@ class WLDocument(object): self.edoc = edoc root_elem = edoc.getroot() - + dc_path = './/' + RDFNS('RDF') - + if root_elem.tag != 'utwor': raise ValidationError("Invalid root element. Found '%s', should be 'utwor'" % root_elem.tag) @@ -28,17 +32,17 @@ class WLDocument(object): if self.rdf_elem is None: raise NoDublinCore('Document has no DublinCore - which is required.') - + self.book_info = dcparser.BookInfo.from_element(self.rdf_elem) else: self.book_info = None - + @classmethod - def from_string(cls, xml, swap_endlines=False, parse_dublincore=True): - return cls.from_file(StringIO(xml), swap_endlines, parse_dublincore=parse_dublincore) + def from_string(cls, xml, *args, **kwargs): + return cls.from_file(StringIO(xml), *args, **kwargs) @classmethod - def from_file(cls, xmlfile, swap_endlines=False, parse_dublincore=True): + def from_file(cls, xmlfile, swap_endlines=False, parse_dublincore=True, preserve_lines=True): # first, prepare for parsing if isinstance(xmlfile, basestring): @@ -54,22 +58,25 @@ class WLDocument(object): data = data.decode('utf-8') if swap_endlines: - data = cls.LINE_SWAP_EXPR.sub(u'
\n', data) - + sub = u'
' + if preserve_lines: + sub += u'\n' + data = cls.LINE_SWAP_EXPR.sub(sub, data) + try: parser = etree.XMLParser(remove_blank_text=False) return cls(etree.parse(StringIO(data), parser), parse_dublincore=parse_dublincore) except (ExpatError, XMLSyntaxError, XSLTApplyError), e: - raise ParseError(e) + raise ParseError(e) def chunk(self, path): - # convert the path to XPath + # convert the path to XPath expr = self.path_to_xpath(path) elems = self.edoc.xpath(expr) if len(elems) == 0: return None - else: + else: return elems[0] def path_to_xpath(self, path):