X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/5b174651e7cadaa9c353cd247fbfcde41b012f3a..2c15db814c7f40406b6a86383e3e4bc8825b7faf:/librarian/epub.py?ds=inline diff --git a/librarian/epub.py b/librarian/epub.py index 139dd39..e9670d5 100644 --- a/librarian/epub.py +++ b/librarian/epub.py @@ -1,44 +1,99 @@ # -*- 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. +# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. # -from __future__ import with_statement +from __future__ import print_function, unicode_literals import os import os.path -import shutil -import sys +import re +import subprocess +from six import BytesIO from copy import deepcopy +from mimetypes import guess_type + from lxml import etree import zipfile +from tempfile import mkdtemp, NamedTemporaryFile +from shutil import rmtree + +from librarian import RDFNS, WLNS, NCXNS, OPFNS, XHTMLNS, DCNS, OutputFile +from librarian.cover import make_cover + +from librarian import functions, get_resource + +from librarian.hyphenator import Hyphenator + +functions.reg_person_name() +functions.reg_lang_code_3to2() + -from librarian import XMLNamespace, RDFNS, DCNS, WLNS, XHTMLNS, NoDublinCore +def squeeze_whitespace(s): + return re.sub(b'\\s+', b' ', s) -NCXNS = XMLNamespace("http://www.daisy.org/z3986/2005/ncx/") -OPFNS = XMLNamespace("http://www.idpf.org/2007/opf") + +def set_hyph_language(source_tree): + def get_short_lng_code(text): + result = '' + text = ''.join(text) + with open(get_resource('res/ISO-639-2_8859-1.txt'), 'rb') as f: + for line in f.read().decode('latin1').split('\n'): + list = line.strip().split('|') + if list[0] == text: + result = list[2] + if result == '': + return text + else: + return result + bibl_lng = etree.XPath('//dc:language//text()', + namespaces={'dc': str(DCNS)})(source_tree) + short_lng = get_short_lng_code(bibl_lng[0]) + try: + return Hyphenator(get_resource('res/hyph-dictionaries/hyph_' + + short_lng + '.dic')) + except: + pass + + +def hyphenate_and_fix_conjunctions(source_tree, hyph): + texts = etree.XPath('/utwor/*[2]//text()')(source_tree) + for t in texts: + parent = t.getparent() + if hyph is not None: + newt = '' + wlist = re.compile(r'\w+|[^\w]', re.UNICODE).findall(t) + for w in wlist: + newt += hyph.inserted(w, u'\u00AD') + else: + newt = t + newt = re.sub(r'(?<=\s\w)\s+', u'\u00A0', newt) + if t.is_text: + parent.text = newt + elif t.is_tail: + parent.tail = newt def inner_xml(node): """ returns node's text and children as a string - >>> print inner_xml(etree.fromstring('xyz')) + >>> print(inner_xml(etree.fromstring('xyz'))) xyz """ nt = node.text if node.text is not None else '' - return ''.join([nt] + [etree.tostring(child) for child in node]) + return ''.join([nt] + [etree.tostring(child, encoding='unicode') for child in node]) + def set_inner_xml(node, text): """ sets node's text and children from a string >>> e = etree.fromstring('bxx') >>> set_inner_xml(e, 'xyz') - >>> print etree.tostring(e) + >>> print(etree.tostring(e, encoding='unicode')) xyz """ - p = etree.fromstring('%s' % text) node.text = p.text node[:] = p[:] @@ -47,7 +102,7 @@ def set_inner_xml(node, text): def node_name(node): """ Find out a node's name - >>> print node_name(etree.fromstring('XYZ')) + >>> print(node_name(etree.fromstring('XYZ'))) XYZ """ @@ -62,306 +117,599 @@ def node_name(node): return tempnode.text -def xslt(xml, sheet): +def xslt(xml, sheet, **kwargs): if isinstance(xml, etree._Element): xml = etree.ElementTree(xml) with open(sheet) as xsltf: - return xml.xslt(etree.parse(xsltf)) - - -_resdir = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'epub') -def res(fname): - return os.path.join(_resdir, fname) + transform = etree.XSLT(etree.parse(xsltf)) + params = dict((key, transform.strparam(value)) for key, value in kwargs.items()) + return transform(xml, **params) def replace_characters(node): def replace_chars(text): if text is None: return None - return text.replace("&", "&")\ - .replace("---", "—")\ - .replace("--", "–")\ - .replace(",,", "„")\ - .replace('"', "”")\ - .replace("'", "’") - if node.tag == 'extra': + return text.replace(u"\ufeff", u"")\ + .replace("---", u"\u2014")\ + .replace("--", u"\u2013")\ + .replace(",,", u"\u201E")\ + .replace('"', u"\u201D")\ + .replace("'", u"\u2019") + if node.tag in ('uwaga', 'extra'): + t = node.tail node.clear() - else: - node.text = replace_chars(node.text) - node.tail = replace_chars(node.tail) - for child in node: - replace_characters(child) + node.tail = t + node.text = replace_chars(node.text) + node.tail = replace_chars(node.tail) + for child in node: + replace_characters(child) -def find_annotations(annotations, source, part_number): +def find_annotations(annotations, source, part_no): for child in source: if child.tag in ('pe', 'pa', 'pt', 'pr'): annotation = deepcopy(child) - annotation.set('number', str(len(annotations)+1)) - annotation.set('part', str(part_number)) + number = str(len(annotations) + 1) + annotation.set('number', number) + annotation.set('part', str(part_no)) annotation.tail = '' annotations.append(annotation) tail = child.tail child.clear() child.tail = tail - child.text = str(len(annotations)) - if child.tag not in ('extra', 'podtytul'): - find_annotations(annotations, child, part_number) + child.text = number + if child.tag not in ('extra', 'uwaga'): + find_annotations(annotations, child, part_no) + + +class Stanza(object): + """ + Converts / verse endings into verse elements in a stanza. + + Slashes may only occur directly in the stanza. Any slashes in subelements + will be ignored, and the subelements will be put inside verse elements. + + >>> s = etree.fromstring("a c c/\\nbx/\\nyc/ \\nd") + >>> Stanza(s).versify() + >>> print(etree.tostring(s, encoding='unicode')) + a ccbx/ + ycd + + """ + def __init__(self, stanza_elem): + self.stanza = stanza_elem + self.verses = [] + self.open_verse = None + + def versify(self): + self.push_text(self.stanza.text) + for elem in self.stanza: + self.push_elem(elem) + self.push_text(elem.tail) + tail = self.stanza.tail + self.stanza.clear() + self.stanza.tail = tail + self.stanza.extend(verse for verse in self.verses if verse.text or len(verse) > 0) + + def open_normal_verse(self): + self.open_verse = self.stanza.makeelement("wers_normalny") + self.verses.append(self.open_verse) + + def get_open_verse(self): + if self.open_verse is None: + self.open_normal_verse() + return self.open_verse + + def push_text(self, text): + if not text: + return + for i, verse_text in enumerate(re.split(r"/\s*\n", text)): + if i: + self.open_normal_verse() + if not verse_text.strip(): + continue + verse = self.get_open_verse() + if len(verse): + verse[-1].tail = (verse[-1].tail or "") + verse_text + else: + verse.text = (verse.text or "") + verse_text + + def push_elem(self, elem): + if elem.tag.startswith("wers"): + verse = deepcopy(elem) + verse.tail = None + self.verses.append(verse) + self.open_verse = verse + else: + appended = deepcopy(elem) + appended.tail = None + self.get_open_verse().append(appended) def replace_by_verse(tree): """ Find stanzas and create new verses in place of a '/' character """ + stanzas = tree.findall('.//' + WLNS('strofa')) - for node in stanzas: - for child_node in node: - if child_node.tag in ('slowo_obce', 'wyroznienie'): - foreign_verses = inner_xml(child_node).split('/\n') - if len(foreign_verses) > 1: - new_foreign = '' - for foreign_verse in foreign_verses: - if foreign_verse.startswith('', foreign_verse, '')) - set_inner_xml(child_node, new_foreign) - verses = inner_xml(node).split('/\n') - if len(verses) > 1: - modified_inner_xml = '' - for verse in verses: - if verse.startswith('', verse, '')) - set_inner_xml(node, modified_inner_xml) + for stanza in stanzas: + Stanza(stanza).versify() def add_to_manifest(manifest, partno): """ Adds a node to the manifest section in content.opf file """ + partstr = 'part%d' % partno - e = manifest.makeelement(OPFNS('item'), attrib={ - 'id': partstr, - 'href': partstr + '.html', - 'media-type': 'application/xhtml+xml', - }) + e = manifest.makeelement( + OPFNS('item'), attrib={'id': partstr, 'href': partstr + '.html', + 'media-type': 'application/xhtml+xml'} + ) manifest.append(e) def add_to_spine(spine, partno): """ Adds a node to the spine section in content.opf file """ - e = spine.makeelement(OPFNS('itemref'), attrib={'idref': 'part%d' % partno}); - spine.append(e) - -def add_nav_point(nav_map, counter, title, part_counter): - nav_point = nav_map.makeelement(NCXNS('navPoint')) - nav_point.set('id', 'NavPoint-%d' % counter) - nav_point.set('playOrder', str(counter)) - - nav_label = nav_map.makeelement(NCXNS('navLabel')) - text = nav_map.makeelement(NCXNS('text')) - text.text = title - nav_label.append(text) - nav_point.append(nav_label) - - content = nav_map.makeelement(NCXNS('content')) - content.set('src', 'part%d.html' % part_counter) - nav_point.append(content) + e = spine.makeelement(OPFNS('itemref'), attrib={'idref': 'part%d' % partno}) + spine.append(e) - nav_map.append(nav_point) +class TOC(object): + def __init__(self, name=None, part_href=None): + self.children = [] + self.name = name + self.part_href = part_href + self.sub_number = None -def add_nav_point2(nav_map, counter, title, part_counter, subcounter): - nav_point = nav_map.makeelement(NCXNS('navPoint')) - nav_point.set('id', 'NavPoint-%d' % counter) - nav_point.set('playOrder', str(counter)) + def add(self, name, part_href, level=0, is_part=True, index=None): + assert level == 0 or index is None + if level > 0 and self.children: + return self.children[-1].add(name, part_href, level - 1, is_part) + else: + t = TOC(name) + t.part_href = part_href + if index is not None: + self.children.insert(index, t) + else: + self.children.append(t) + if not is_part: + t.sub_number = len(self.children) + 1 + return t.sub_number - nav_label = nav_map.makeelement(NCXNS('navLabel')) - text = nav_map.makeelement(NCXNS('text')) - text.text = title - nav_label.append(text) - nav_point.append(nav_label) + def append(self, toc): + self.children.append(toc) - content = nav_map.makeelement(NCXNS('content')) - content.set('src', 'part%d.html#sub%d' % (part_counter, subcounter)) - nav_point.append(content) + def extend(self, toc): + self.children.extend(toc.children) - nav_map[-1].append(nav_point) + def depth(self): + if self.children: + return max((c.depth() for c in self.children)) + 1 + else: + return 0 + + def href(self): + src = self.part_href + if self.sub_number is not None: + src += '#sub%d' % self.sub_number + return src + + def write_to_xml(self, nav_map, counter=1): + for child in self.children: + nav_point = nav_map.makeelement(NCXNS('navPoint')) + nav_point.set('id', 'NavPoint-%d' % counter) + nav_point.set('playOrder', str(counter)) + + nav_label = nav_map.makeelement(NCXNS('navLabel')) + text = nav_map.makeelement(NCXNS('text')) + if child.name is not None: + text.text = re.sub(r'\n', ' ', child.name) + else: + text.text = child.name + nav_label.append(text) + nav_point.append(nav_label) + + content = nav_map.makeelement(NCXNS('content')) + content.set('src', child.href()) + nav_point.append(content) + nav_map.append(nav_point) + counter = child.write_to_xml(nav_point, counter + 1) + return counter + + def html_part(self, depth=0): + texts = [] + for child in self.children: + texts.append( + "
%s
" % + (depth, child.href(), child.name)) + texts.append(child.html_part(depth + 1)) + return "\n".join(texts) + + def html(self): + with open(get_resource('epub/toc.html'), 'rb') as f: + t = f.read().decode('utf-8') + return t % self.html_part() + + +def used_chars(element): + """ Lists characters used in an ETree Element """ + chars = set((element.text or '') + (element.tail or '')) + for child in element: + chars = chars.union(used_chars(child)) + return chars + + +def chop(main_text): + """ divide main content of the XML file into chunks """ + + # prepare a container for each chunk + part_xml = etree.Element('utwor') + etree.SubElement(part_xml, 'master') + main_xml_part = part_xml[0] # master + last_node_part = False -def transform(input_file, output_file): - """ produces an epub + # the below loop are workaround for a problem with epubs in drama ebooks without acts + is_scene = False + is_act = False + for one_part in main_text: + name = one_part.tag + if name == 'naglowek_scena': + is_scene = True + elif name == 'naglowek_akt': + is_act = True - input_file and output_file should be filelike objects + for one_part in main_text: + name = one_part.tag + if is_act is False and is_scene is True: + if name == 'naglowek_czesc': + yield part_xml + last_node_part = True + main_xml_part[:] = [deepcopy(one_part)] + elif not last_node_part and name == "naglowek_scena": + yield part_xml + main_xml_part[:] = [deepcopy(one_part)] + else: + main_xml_part.append(deepcopy(one_part)) + last_node_part = False + else: + if name == 'naglowek_czesc': + yield part_xml + last_node_part = True + main_xml_part[:] = [deepcopy(one_part)] + elif not last_node_part and name in ("naglowek_rozdzial", "naglowek_akt", "srodtytul"): + yield part_xml + main_xml_part[:] = [deepcopy(one_part)] + else: + main_xml_part.append(deepcopy(one_part)) + last_node_part = False + yield part_xml + + +def transform_chunk(chunk_xml, chunk_no, annotations, empty=False, _empty_html_static=[]): + """ transforms one chunk, returns a HTML string, a TOC object and a set of used characters """ + + toc = TOC() + for element in chunk_xml[0]: + if element.tag == "naglowek_czesc": + toc.add(node_name(element), "part%d.html#book-text" % chunk_no) + elif element.tag in ("naglowek_rozdzial", "naglowek_akt", "srodtytul"): + toc.add(node_name(element), "part%d.html" % chunk_no) + elif element.tag in ('naglowek_podrozdzial', 'naglowek_scena'): + subnumber = toc.add(node_name(element), "part%d.html" % chunk_no, level=1, is_part=False) + element.set('sub', str(subnumber)) + if empty: + if not _empty_html_static: + _empty_html_static.append(open(get_resource('epub/emptyChunk.html')).read()) + chars = set() + output_html = _empty_html_static[0] + else: + find_annotations(annotations, chunk_xml, chunk_no) + replace_by_verse(chunk_xml) + html_tree = xslt(chunk_xml, get_resource('epub/xsltScheme.xsl')) + chars = used_chars(html_tree.getroot()) + output_html = etree.tostring( + html_tree, pretty_print=True, xml_declaration=True, + encoding="utf-8", + doctype='' + ) + return output_html, toc, chars + + +def transform(wldoc, verbose=False, style=None, html_toc=False, + sample=None, cover=None, flags=None, hyphenate=False, ilustr_path='', output_type='epub'): + """ produces a EPUB file + + sample=n: generate sample e-book (with at least n paragraphs) + cover: a cover.Cover factory or True for default + flags: less-advertising, without-fonts, working-copy """ - input_xml = etree.parse(input_file) + def transform_file(wldoc, chunk_counter=1, first=True, sample=None): + """ processes one input file and proceeds to its children """ + + replace_characters(wldoc.edoc.getroot()) + + hyphenator = set_hyph_language(wldoc.edoc.getroot()) if hyphenate else None + hyphenate_and_fix_conjunctions(wldoc.edoc.getroot(), hyphenator) + + # every input file will have a TOC entry, + # pointing to starting chunk + toc = TOC(wldoc.book_info.title, "part%d.html" % chunk_counter) + chars = set() + if first: + # write book title page + html_tree = xslt(wldoc.edoc, get_resource('epub/xsltTitle.xsl'), outputtype=output_type) + chars = used_chars(html_tree.getroot()) + html_string = etree.tostring( + html_tree, pretty_print=True, xml_declaration=True, + encoding="utf-8", + doctype='' + ) + zip.writestr('OPS/title.html', squeeze_whitespace(html_string)) + # add a title page TOC entry + toc.add(u"Strona tytułowa", "title.html") + elif wldoc.book_info.parts: + # write title page for every parent + if sample is not None and sample <= 0: + chars = set() + html_string = open(get_resource('epub/emptyChunk.html')).read() + else: + html_tree = xslt(wldoc.edoc, get_resource('epub/xsltChunkTitle.xsl')) + chars = used_chars(html_tree.getroot()) + html_string = etree.tostring( + html_tree, pretty_print=True, xml_declaration=True, + encoding="utf-8", + doctype='' + ) + zip.writestr('OPS/part%d.html' % chunk_counter, squeeze_whitespace(html_string)) + add_to_manifest(manifest, chunk_counter) + add_to_spine(spine, chunk_counter) + chunk_counter += 1 + + if len(wldoc.edoc.getroot()) > 1: + # rdf before style master + main_text = wldoc.edoc.getroot()[1] + else: + # rdf in style master + main_text = wldoc.edoc.getroot()[0] + if main_text.tag == RDFNS('RDF'): + main_text = None + + if main_text is not None: + for chunk_xml in chop(main_text): + empty = False + if sample is not None: + if sample <= 0: + empty = True + else: + sample -= len(chunk_xml.xpath('//strofa|//akap|//akap_cd|//akap_dialog')) + chunk_html, chunk_toc, chunk_chars = transform_chunk(chunk_xml, chunk_counter, annotations, empty) + + toc.extend(chunk_toc) + chars = chars.union(chunk_chars) + zip.writestr('OPS/part%d.html' % chunk_counter, squeeze_whitespace(chunk_html)) + add_to_manifest(manifest, chunk_counter) + add_to_spine(spine, chunk_counter) + chunk_counter += 1 + + for child in wldoc.parts(): + child_toc, chunk_counter, chunk_chars, sample = transform_file( + child, chunk_counter, first=False, sample=sample) + toc.append(child_toc) + chars = chars.union(chunk_chars) + + return toc, chunk_counter, chars, sample + + document = deepcopy(wldoc) + del wldoc + + if flags: + for flag in flags: + document.edoc.getroot().set(flag, 'yes') + + document.clean_ed_note() + document.clean_ed_note('abstrakt') + + # add editors info + editors = document.editors() + if editors: + document.edoc.getroot().set('editors', u', '.join(sorted( + editor.readable() for editor in editors))) + if document.book_info.funders: + document.edoc.getroot().set('funders', u', '.join( + document.book_info.funders)) + if document.book_info.thanks: + document.edoc.getroot().set('thanks', document.book_info.thanks) + + opf = xslt(document.book_info.to_etree(), get_resource('epub/xsltContent.xsl')) + manifest = opf.find('.//' + OPFNS('manifest')) + guide = opf.find('.//' + OPFNS('guide')) + spine = opf.find('.//' + OPFNS('spine')) + output_file = NamedTemporaryFile(prefix='librarian', suffix='.epub', delete=False) zip = zipfile.ZipFile(output_file, 'w', zipfile.ZIP_DEFLATED) + functions.reg_mathml_epub(zip) + + if os.path.isdir(ilustr_path): + for i, filename in enumerate(os.listdir(ilustr_path)): + file_path = os.path.join(ilustr_path, filename) + zip.write(file_path, os.path.join('OPS', filename)) + image_id = 'image%s' % i + manifest.append(etree.fromstring( + '' % (image_id, filename, guess_type(file_path)[0]))) + + # write static elements mime = zipfile.ZipInfo() mime.filename = 'mimetype' mime.compress_type = zipfile.ZIP_STORED - mime.extra = '' - zip.writestr(mime, 'application/epub+zip') + mime.extra = b'' + zip.writestr(mime, b'application/epub+zip') + zip.writestr( + 'META-INF/container.xml', + b'' + b'' + b'' + b'' + ) + zip.write(get_resource('res/wl-logo-small.png'), + os.path.join('OPS', 'logo_wolnelektury.png')) + zip.write(get_resource('res/jedenprocent.png'), + os.path.join('OPS', 'jedenprocent.png')) + if not style: + style = get_resource('epub/style.css') + zip.write(style, os.path.join('OPS', 'style.css')) + + if cover: + if cover is True: + cover = make_cover + + cover_file = BytesIO() + bound_cover = cover(document.book_info) + bound_cover.save(cover_file) + cover_name = 'cover.%s' % bound_cover.ext() + zip.writestr(os.path.join('OPS', cover_name), cover_file.getvalue()) + del cover_file + + cover_tree = etree.parse(get_resource('epub/cover.html')) + cover_tree.find('//' + XHTMLNS('img')).set('src', cover_name) + zip.writestr('OPS/cover.html', etree.tostring( + cover_tree, pretty_print=True, xml_declaration=True, + encoding="utf-8", + doctype='' + )) + + if bound_cover.uses_dc_cover: + if document.book_info.cover_by: + document.edoc.getroot().set('data-cover-by', document.book_info.cover_by) + if document.book_info.cover_source: + document.edoc.getroot().set('data-cover-source', document.book_info.cover_source) - zip.writestr('META-INF/container.xml', '' \ - '' \ - '') - - metadata_el = input_xml.find('.//'+RDFNS('Description')) - if metadata_el is None: - raise NoDublinCore('Document has no DublinCore - which is required.') - metadatasource = etree.ElementTree(metadata_el) - - opf = xslt(metadatasource, res('xsltContent.xsl')) - - manifest = opf.find('.//' + OPFNS('manifest')) - spine = opf.find('.//' + OPFNS('spine')) - - for fname in 'style.css', 'logo_wolnelektury.png': - zip.write(res(fname), os.path.join('OPS', fname)) + manifest.append(etree.fromstring( + '')) + manifest.append(etree.fromstring( + '' % (cover_name, bound_cover.mime_type()))) + spine.insert(0, etree.fromstring('')) + opf.getroot()[0].append(etree.fromstring('')) + guide.append(etree.fromstring('')) annotations = etree.Element('annotations') - part_xml = etree.Element('utwor') - etree.SubElement(part_xml, 'master') - - toc_file = etree.fromstring('' \ - '' \ - '' \ - 'Strona tytułowa' \ - '' \ - 'Początek utworu' \ - '') - - main_xml_part = part_xml[0] # było [0][0], master - nav_map = toc_file[-1] # było [-1][-1] - depth = 1 # navmap - - if len(input_xml.getroot()) > 1: - # rdf before style master - main_text = input_xml.getroot()[1] - else: - # rdf in style master - main_text = input_xml.getroot()[0] - replace_characters(main_text) - zip.writestr('OPS/title.html', - etree.tostring(xslt(input_xml, res('xsltTitle.xsl')), pretty_print=True)) + toc_file = etree.fromstring( + b'' + b'' + b'' + ) + nav_map = toc_file[-1] + + if html_toc: + manifest.append(etree.fromstring( + '')) + spine.append(etree.fromstring( + '')) + guide.append(etree.fromstring('')) - # Search for table of contents elements and book division + toc, chunk_counter, chars, sample = transform_file(document, sample=sample) - stupid_i = stupid_j = stupid_k = 1 - last_node_part = False - for one_part in main_text: - name = one_part.tag - if name in ("naglowek_czesc", "naglowek_rozdzial", "naglowek_akt", "srodtytul"): - if name == "naglowek_czesc": - stupid_k = 1 - last_node_part = True - find_annotations(annotations, part_xml, stupid_j) - replace_by_verse(part_xml) - zip.writestr('OPS/part%d.html' % stupid_j, - etree.tostring(xslt(part_xml, res('xsltScheme.xsl')), pretty_print=True)) - main_xml_part[:] = [deepcopy(one_part)] - # add to manifest and spine - add_to_manifest(manifest, stupid_j) - add_to_spine(spine, stupid_j) - name_toc = node_name(one_part) - # build table of contents - # i+2 because of title page - add_nav_point(nav_map, stupid_i+2, name_toc, stupid_j + 1) - stupid_i += 1 - stupid_j += 1 - else: - if last_node_part: - main_xml_part.append(one_part) - last_node_part = False - name_toc = node_name(one_part) - add_nav_point(nav_map, stupid_i + 1, name_toc, stupid_j) - else: - stupid_k = 1 - find_annotations(annotations, part_xml, stupid_j) - replace_by_verse(part_xml) - zip.writestr('OPS/part%d.html' % stupid_j, - etree.tostring(xslt(part_xml, res('xsltScheme.xsl')), pretty_print=True)) - # start building a new part - main_xml_part[:] = [deepcopy(one_part)] - add_to_manifest(manifest, stupid_j) - add_to_spine(spine, stupid_j) - name_toc = node_name(one_part) - add_nav_point(nav_map, stupid_i + 2, name_toc, stupid_j + 1) # title page - stupid_j += 1 - stupid_i += 1 - else: - if name in ('naglowek_podrozdzial', 'naglowek_scena'): - depth = 2 - name_toc = node_name(one_part) - add_nav_point2(nav_map, stupid_i + 2, name_toc, stupid_j, stupid_k) - one_part.set('sub', str(stupid_k)) - stupid_k += 1 - stupid_i += 1 - main_xml_part.append(deepcopy(one_part)) - last_node_part = False - find_annotations(annotations, part_xml, stupid_j) - replace_by_verse(part_xml) - add_to_manifest(manifest, stupid_j) - add_to_spine(spine, stupid_j) - - zip.writestr('OPS/part%d.html' % stupid_j, - etree.tostring(xslt(part_xml, res('xsltScheme.xsl')), pretty_print=True)) + if len(toc.children) < 2: + toc.add(u"Początek utworu", "part1.html") # Last modifications in container files and EPUB creation if len(annotations) > 0: - nav_map.append(etree.fromstring( - 'Przypisy'\ - '' % {'i':stupid_i+2})) + toc.add("Przypisy", "annotations.html") manifest.append(etree.fromstring( '')) spine.append(etree.fromstring( '')) replace_by_verse(annotations) + html_tree = xslt(annotations, get_resource('epub/xsltAnnotations.xsl')) + chars = chars.union(used_chars(html_tree.getroot())) zip.writestr('OPS/annotations.html', etree.tostring( - xslt(annotations, res("xsltAnnotations.xsl")), pretty_print=True)) - - zip.writestr('OPS/content.opf', etree.tostring(opf, pretty_print=True)) - contents = [] - title = node_name(etree.ETXPath('.//'+DCNS('title'))(input_xml)[0]) + html_tree, pretty_print=True, xml_declaration=True, + encoding="utf-8", + doctype='' + )) + + toc.add("Wesprzyj Wolne Lektury", "support.html") + manifest.append(etree.fromstring( + '')) + spine.append(etree.fromstring( + '')) + html_string = open(get_resource('epub/support.html'), 'rb').read() + chars.update(used_chars(etree.fromstring(html_string))) + zip.writestr('OPS/support.html', squeeze_whitespace(html_string)) + + toc.add("Strona redakcyjna", "last.html") + manifest.append(etree.fromstring( + '')) + spine.append(etree.fromstring( + '')) + html_tree = xslt(document.edoc, get_resource('epub/xsltLast.xsl'), outputtype=output_type) + chars.update(used_chars(html_tree.getroot())) + zip.writestr('OPS/last.html', squeeze_whitespace(etree.tostring( + html_tree, pretty_print=True, xml_declaration=True, + encoding="utf-8", + doctype='' + ))) + + if not flags or 'without-fonts' not in flags: + # strip fonts + tmpdir = mkdtemp('-librarian-epub') + try: + cwd = os.getcwd() + except OSError: + cwd = None + + os.chdir(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'font-optimizer')) + for fname in 'DejaVuSerif.ttf', 'DejaVuSerif-Bold.ttf', 'DejaVuSerif-Italic.ttf', 'DejaVuSerif-BoldItalic.ttf': + optimizer_call = ['perl', 'subset.pl', '--chars', + ''.join(chars).encode('utf-8'), + get_resource('fonts/' + fname), + os.path.join(tmpdir, fname)] + env = {"PERL_USE_UNSAFE_INC": "1"} + if verbose: + print("Running font-optimizer") + subprocess.check_call(optimizer_call, env=env) + else: + dev_null = open(os.devnull, 'w') + subprocess.check_call(optimizer_call, stdout=dev_null, stderr=dev_null, env=env) + zip.write(os.path.join(tmpdir, fname), os.path.join('OPS', fname)) + manifest.append(etree.fromstring( + '' % (fname, fname))) + rmtree(tmpdir) + if cwd is not None: + os.chdir(cwd) + zip.writestr('OPS/content.opf', etree.tostring(opf, pretty_print=True, + xml_declaration=True, encoding="utf-8")) + title = document.book_info.title attributes = "dtb:uid", "dtb:depth", "dtb:totalPageCount", "dtb:maxPageNumber" for st in attributes: meta = toc_file.makeelement(NCXNS('meta')) meta.set('name', st) meta.set('content', '0') toc_file[0].append(meta) - toc_file[0][0].set('content', ''.join((title, 'WolneLektury.pl'))) - toc_file[0][1].set('content', str(depth)) + toc_file[0][0].set('content', str(document.book_info.url)) + toc_file[0][1].set('content', str(toc.depth())) set_inner_xml(toc_file[1], ''.join(('', title, ''))) - zip.writestr('OPS/toc.ncx', etree.tostring(toc_file, pretty_print=True)) - zip.close() - - -if __name__ == '__main__': - import html - - if len(sys.argv) < 2: - print >> sys.stderr, 'Usage: python epub.py [output file]' - sys.exit(1) - - input = sys.argv[1] - if len(sys.argv) > 2: - output = sys.argv[2] - else: - basename, ext = os.path.splitext(input) - output = basename + '.epub' - - print input - if html.transform(input, is_file=True) == '': - print 'empty content - skipping' - else: - transform(open(input, 'r'), open(output, 'w')) - + # write TOC + if html_toc: + toc.add(u"Spis treści", "toc.html", index=1) + zip.writestr('OPS/toc.html', toc.html().encode('utf-8')) + toc.write_to_xml(nav_map) + zip.writestr('OPS/toc.ncx', etree.tostring(toc_file, pretty_print=True, + xml_declaration=True, encoding="utf-8")) + zip.close() + return OutputFile.from_filename(output_file.name)