X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/0081ccb8e51026b5af824b3c641648d23155f1e1..13b88a3bfdd4fa3cf5c92368aa5cb60fa832eda6:/librarian/epub.py diff --git a/librarian/epub.py b/librarian/epub.py index 4855de8..8ef436e 100644 --- a/librarian/epub.py +++ b/librarian/epub.py @@ -16,15 +16,56 @@ import zipfile from tempfile import mkdtemp, NamedTemporaryFile from shutil import rmtree -from librarian import RDFNS, WLNS, NCXNS, OPFNS, XHTMLNS, OutputFile +from librarian import RDFNS, WLNS, NCXNS, OPFNS, XHTMLNS, DCNS, OutputFile from librarian.cover import DefaultEbookCover from librarian import functions, get_resource +from librarian.hyphenator import Hyphenator + functions.reg_person_name() functions.reg_lang_code_3to2() +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: + 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): + if hyph is not None: + texts = etree.XPath('/utwor/*[2]//text()')(source_tree) + for t in texts: + parent = t.getparent() + newt = '' + wlist = re.compile(r'\w+|[^\w]', re.UNICODE).findall(t) + for w in wlist: + newt += hyph.inserted(w, u'\u00AD') + 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 @@ -35,6 +76,7 @@ def inner_xml(node): nt = node.text if node.text is not None else '' return ''.join([nt] + [etree.tostring(child) for child in node]) + def set_inner_xml(node, text): """ sets node's text and children from a string @@ -98,7 +140,7 @@ def find_annotations(annotations, source, part_no): for child in source: if child.tag in ('pe', 'pa', 'pt', 'pr'): annotation = deepcopy(child) - number = str(len(annotations)+1) + number = str(len(annotations) + 1) annotation.set('number', number) annotation.set('part', str(part_no)) annotation.tail = '' @@ -123,7 +165,7 @@ class Stanza(object): >>> print etree.tostring(s) a c cbx/ ycd - + """ def __init__(self, stanza_elem): self.stanza = stanza_elem @@ -185,18 +227,17 @@ 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}); + e = spine.makeelement(OPFNS('itemref'), attrib={'idref': 'part%d' % partno}) spine.append(e) @@ -210,7 +251,7 @@ class TOC(object): 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) + return self.children[-1].add(name, part_href, level - 1, is_part) else: t = TOC(name) t.part_href = part_href @@ -248,7 +289,10 @@ class TOC(object): nav_label = nav_map.makeelement(NCXNS('navLabel')) text = nav_map.makeelement(NCXNS('text')) - text.text = child.name + 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) @@ -265,7 +309,7 @@ class TOC(object): texts.append( "
%s
" % (depth, child.href(), child.name)) - texts.append(child.html_part(depth+1)) + texts.append(child.html_part(depth + 1)) return "\n".join(texts) def html(self): @@ -288,34 +332,28 @@ def chop(main_text): # prepare a container for each chunk part_xml = etree.Element('utwor') etree.SubElement(part_xml, 'master') - main_xml_part = part_xml[0] # master + main_xml_part = part_xml[0] # master last_node_part = False - - # the below loops are workaround for a problem with epubs in drama ebooks without acts + + # 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 in ('naglowek_scena'): + name = one_part.tag + if name == 'naglowek_scena': is_scene = True - break - if is_scene is True: - is_scene_with_acts = False - for one_part in main_text: - if one_part.tag == 'naglowek_akt': - is_scene_with_acts = True - break - else: - is_scene_with_acts = False - + elif name == 'naglowek_akt': + is_act = True + for one_part in main_text: name = one_part.tag - if is_scene_with_acts is False and is_scene is True: + 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 in ("naglowek_scena"): + elif not last_node_part and name == "naglowek_scena": yield part_xml main_xml_part[:] = [deepcopy(one_part)] else: @@ -331,7 +369,7 @@ def chop(main_text): main_xml_part[:] = [deepcopy(one_part)] else: main_xml_part.append(deepcopy(one_part)) - last_node_part = False + last_node_part = False yield part_xml @@ -340,7 +378,7 @@ def transform_chunk(chunk_xml, chunk_no, annotations, empty=False, _empty_html_s toc = TOC() for element in chunk_xml[0]: - if element.tag in ("naglowek_czesc"): + 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) @@ -357,7 +395,12 @@ def transform_chunk(chunk_xml, chunk_no, annotations, empty=False, _empty_html_s 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, method="html", pretty_print=True) + output_html = etree.tostring( + html_tree, pretty_print=True, xml_declaration=True, + encoding="utf-8", + doctype='' + ) return output_html, toc, chars @@ -368,7 +411,7 @@ def transform(wldoc, verbose=False, 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, with-full-fonts + flags: less-advertising, without-fonts, working-copy """ def transform_file(wldoc, chunk_counter=1, first=True, sample=None): @@ -376,6 +419,9 @@ def transform(wldoc, verbose=False, replace_characters(wldoc.edoc.getroot()) + hyphenator = set_hyph_language(wldoc.edoc.getroot()) + 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) @@ -384,8 +430,15 @@ def transform(wldoc, verbose=False, # write book title page html_tree = xslt(wldoc.edoc, get_resource('epub/xsltTitle.xsl')) chars = used_chars(html_tree.getroot()) - zip.writestr('OPS/title.html', - etree.tostring(html_tree, method="html", pretty_print=True)) + zip.writestr( + 'OPS/title.html', + etree.tostring( + html_tree, pretty_print=True, xml_declaration=True, + encoding="utf-8", + doctype='' + ) + ) # add a title page TOC entry toc.add(u"Strona tytułowa", "title.html") elif wldoc.book_info.parts: @@ -396,7 +449,12 @@ def transform(wldoc, verbose=False, else: html_tree = xslt(wldoc.edoc, get_resource('epub/xsltChunkTitle.xsl')) chars = used_chars(html_tree.getroot()) - html_string = etree.tostring(html_tree, method="html", pretty_print=True) + html_string = etree.tostring( + html_tree, pretty_print=True, xml_declaration=True, + encoding="utf-8", + doctype='' + ) zip.writestr('OPS/part%d.html' % chunk_counter, html_string) add_to_manifest(manifest, chunk_counter) add_to_spine(spine, chunk_counter) @@ -436,7 +494,6 @@ def transform(wldoc, verbose=False, return toc, chunk_counter, chars, sample - document = deepcopy(wldoc) del wldoc @@ -467,13 +524,19 @@ def transform(wldoc, verbose=False, mime.compress_type = zipfile.ZIP_STORED mime.extra = '' zip.writestr(mime, 'application/epub+zip') - zip.writestr('META-INF/container.xml', '' \ - '' \ - '') - 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')) + zip.writestr( + 'META-INF/container.xml', + '' + '' + '' + '' + ) + 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')) @@ -492,7 +555,11 @@ def transform(wldoc, verbose=False, 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, method="html", pretty_print=True)) + cover_tree, pretty_print=True, xml_declaration=True, + encoding="utf-8", + doctype='' + )) if bound_cover.uses_dc_cover: if document.book_info.cover_by: @@ -504,18 +571,20 @@ def transform(wldoc, verbose=False, '')) manifest.append(etree.fromstring( '' % (cover_name, bound_cover.mime_type()))) - spine.insert(0, etree.fromstring('')) + spine.insert(0, etree.fromstring('')) opf.getroot()[0].append(etree.fromstring('')) guide.append(etree.fromstring('')) - annotations = etree.Element('annotations') - toc_file = etree.fromstring('' \ - '' \ - '') + toc_file = etree.fromstring( + '' + '' + '' + ) nav_map = toc_file[-1] if html_toc: @@ -541,7 +610,11 @@ def transform(wldoc, verbose=False, html_tree = xslt(annotations, get_resource('epub/xsltAnnotations.xsl')) chars = chars.union(used_chars(html_tree.getroot())) zip.writestr('OPS/annotations.html', etree.tostring( - html_tree, method="html", pretty_print=True)) + html_tree, pretty_print=True, xml_declaration=True, + encoding="utf-8", + doctype='' + )) toc.add("Wesprzyj Wolne Lektury", "support.html") manifest.append(etree.fromstring( @@ -560,7 +633,11 @@ def transform(wldoc, verbose=False, html_tree = xslt(document.edoc, get_resource('epub/xsltLast.xsl')) chars.update(used_chars(html_tree.getroot())) zip.writestr('OPS/last.html', etree.tostring( - html_tree, method="html", pretty_print=True)) + html_tree, pretty_print=True, xml_declaration=True, + encoding="utf-8", + doctype='' + )) if not flags or not 'without-fonts' in flags: # strip fonts @@ -572,23 +649,23 @@ def transform(wldoc, verbose=False, 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': - if not flags or not 'with-full-fonts' in flags: - optimizer_call = ['perl', 'subset.pl', '--chars', ''.join(chars).encode('utf-8'), - get_resource('fonts/' + fname), os.path.join(tmpdir, fname)] - if verbose: - print "Running font-optimizer" - subprocess.check_call(optimizer_call) - else: - subprocess.check_call(optimizer_call, stdout=subprocess.PIPE, stderr=subprocess.PIPE) - zip.write(os.path.join(tmpdir, fname), os.path.join('OPS', fname)) + optimizer_call = ['perl', 'subset.pl', '--chars', + ''.join(chars).encode('utf-8'), + get_resource('fonts/' + fname), + os.path.join(tmpdir, fname)] + if verbose: + print "Running font-optimizer" + subprocess.check_call(optimizer_call) else: - zip.write(get_resource('fonts/' + fname), os.path.join('OPS', fname)) + subprocess.check_call(optimizer_call, stdout=subprocess.PIPE, stderr=subprocess.PIPE) + 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')) + 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: @@ -605,7 +682,8 @@ def transform(wldoc, verbose=False, 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.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)