X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/5bc29f19f308610c944d63597962fb3b0f468c54..565aa32ff31bdbe6e2aaf9f47b124ac1f883a990:/librarian/parser.py diff --git a/librarian/parser.py b/librarian/parser.py index d330a72..12fffb3 100644 --- a/librarian/parser.py +++ b/librarian/parser.py @@ -3,9 +3,8 @@ # 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, NoProvider +from librarian import ValidationError, NoDublinCore, ParseError from librarian import RDFNS, IOFile -from librarian.styles.wolnelektury.cover import WLCover from librarian import dcparser from xml.parsers.expat import ExpatError @@ -16,11 +15,13 @@ import os import re from StringIO import StringIO + class WLDocument(object): LINE_SWAP_EXPR = re.compile(r'/\s', re.MULTILINE | re.UNICODE) provider = None _edoc = None + @property def edoc(self): if self._edoc is None: @@ -29,13 +30,14 @@ class WLDocument(object): data = data.decode('utf-8') data = data.replace(u'\ufeff', '') try: - parser = etree.XMLParser(remove_blank_text=False) + parser = etree.XMLParser() self._edoc = etree.parse(StringIO(data.encode('utf-8')), parser) except (ExpatError, XMLSyntaxError, XSLTApplyError), e: raise ParseError(e) return self._edoc _rdf_elem = None + @property def rdf_elem(self): if self._rdf_elem is None: @@ -46,6 +48,7 @@ class WLDocument(object): return self._rdf_elem _book_info = None + @property def book_info(self): if not self.parse_dublincore: @@ -55,17 +58,16 @@ class WLDocument(object): self.rdf_elem, fallbacks=self.meta_fallbacks, strict=self.strict) return self._book_info - def __init__(self, iofile, provider=None, - parse_dublincore=True, # shouldn't it be in a subclass? - strict=False, # ? - meta_fallbacks=None # ? - ): + def __init__(self, iofile, provider=None, parse_dublincore=True, # shouldn't it be in a subclass? + strict=False, # ? + meta_fallbacks=None): # ? self.source = iofile self.provider = provider self.parse_dublincore = parse_dublincore self.strict = strict self.meta_fallbacks = meta_fallbacks - if self.edoc.getroot().tag != 'utwor': + root_elem = self.edoc.getroot() + if root_elem.tag != 'utwor': raise ValidationError("Invalid root element. Found '%s', should be 'utwor'" % root_elem.tag) if parse_dublincore: self.book_info @@ -76,13 +78,9 @@ class WLDocument(object): @classmethod def from_file(cls, xmlfile, *args, **kwargs): - if isinstance(xmlfile, basestring): - iofile = IOFile.from_filename(xmlfile) - else: - iofile = IOFile.from_file(xmlfile) + iofile = IOFile.from_filename(xmlfile) return cls(iofile, *args, **kwargs) - def swap_endlines(self): """Converts line breaks in stanzas into
tags.""" # only swap inside stanzas @@ -104,15 +102,6 @@ class WLDocument(object): elem.insert(0, ins) elem.text = chunks.pop(0) - def parts(self): - if self.book_info is None: - raise NoDublinCore('No Dublin Core in document.') - if self.book_info.parts and self.provider is None: - raise NoProvider('No document provider supplied.') - for part_uri in self.book_info.parts: - yield self.from_file(self.provider.by_uri(part_uri), - provider=self.provider) - def chunk(self, path): # convert the path to XPath expr = self.path_to_xpath(path) @@ -132,7 +121,7 @@ class WLDocument(object): parts.append(part) else: tag, n = match.groups() - parts.append("*[%d][name() = '%s']" % (int(n)+1, tag) ) + parts.append("*[%d][name() = '%s']" % (int(n)+1, tag)) if parts[0] == '.': parts[0] = '' @@ -145,7 +134,7 @@ class WLDocument(object): def update_dc(self): if self.book_info: parent = self.rdf_elem.getparent() - parent.replace( self.rdf_elem, self.book_info.to_etree(parent) ) + parent.replace(self.rdf_elem, self.book_info.to_etree(parent)) def serialize(self): self.update_dc() @@ -158,42 +147,28 @@ class WLDocument(object): try: xpath = self.path_to_xpath(key) node = self.edoc.xpath(xpath)[0] - repl = etree.fromstring(u"<%s>%s" %(node.tag, data, node.tag) ) + repl = etree.fromstring(u"<%s>%s" % (node.tag, data, node.tag)) node.getparent().replace(node, repl) except Exception, e: - unmerged.append( repr( (key, xpath, e) ) ) + # WTF xpath may be unused; also: too broad except + unmerged.append(repr((key, xpath, e))) return unmerged def clean_ed_note(self): """ deletes forbidden tags from nota_red """ - for node in self.edoc.xpath('|'.join('//nota_red//%s' % tag for tag in - ('pa', 'pe', 'pr', 'pt', 'begin', 'end', 'motyw'))): + forbidden_tags = ('pa', 'pe', 'pr', 'pt', 'begin', 'end', 'motyw') + for node in self.edoc.xpath('|'.join('//nota_red//%s' % tag for tag in forbidden_tags)): tail = node.tail node.clear() node.tag = 'span' node.tail = tail - def editors(self): - """Returns a set of all editors for book and its children. - - :returns: set of dcparser.Person objects - """ - if self.book_info is None: - raise NoDublinCore('No Dublin Core in document.') - persons = set(self.book_info.editors + - self.book_info.technical_editors) - for child in self.parts(): - persons.update(child.editors()) - if None in persons: - persons.remove(None) - return persons - # Converters def as_html(self, *args, **kwargs): - from librarian import html + from librarian import pyhtml as html return html.transform(self, *args, **kwargs) def as_text(self, *args, **kwargs): @@ -205,8 +180,8 @@ class WLDocument(object): return epub.transform(self, *args, **kwargs) def as_pdf(self, *args, **kwargs): - from librarian import pdf - return pdf.transform(self, *args, **kwargs) + from librarian import pypdf + return pypdf.EduModulePDFFormat(self).build(*args, **kwargs) def as_mobi(self, *args, **kwargs): from librarian import mobi @@ -218,18 +193,16 @@ class WLDocument(object): def as_cover(self, cover_class=None, *args, **kwargs): if cover_class is None: + from librarian.styles.wolnelektury.cover import WLCover cover_class = WLCover return cover_class(self.book_info, *args, **kwargs).output_file() - def save_output_file(self, output_file, output_path=None, - output_dir_path=None, make_author_dir=False, ext=None): + def save_output_file(self, output_file, output_path=None, output_dir_path=None, make_author_dir=False, ext=None): if output_dir_path: save_path = output_dir_path if make_author_dir: - save_path = os.path.join(save_path, - unicode(self.book_info.author).encode('utf-8')) - save_path = os.path.join(save_path, - self.book_info.uri.slug) + save_path = os.path.join(save_path, unicode(self.book_info.author).encode('utf-8')) + save_path = os.path.join(save_path, self.book_info.uri.slug) if ext: save_path += '.%s' % ext else: