X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/48acd2e1b4ad0a64661091dff97122b2a53e4685..a10487d4ba6917735432fcbda98faf8fd35a77e3:/librarian/epub.py diff --git a/librarian/epub.py b/librarian/epub.py index 80941eb..e8b972a 100644 --- a/librarian/epub.py +++ b/librarian/epub.py @@ -7,6 +7,7 @@ from __future__ import with_statement import os import os.path +import re import subprocess from StringIO import StringIO from copy import deepcopy @@ -15,14 +16,51 @@ import zipfile from tempfile import mkdtemp, NamedTemporaryFile from shutil import rmtree -from librarian import RDFNS, WLNS, NCXNS, OPFNS, XHTMLNS, OutputFile -from librarian.cover import WLCover +from librarian import RDFNS, WLNS, NCXNS, OPFNS, XHTMLNS, DCNS, OutputFile +from librarian.cover import DefaultEbookCover from librarian import functions, get_resource -functions.reg_person_name() - +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 @@ -109,31 +147,74 @@ def find_annotations(annotations, source, part_no): 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) + a c cbx/ + 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(self.verses) + + 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() + 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): @@ -203,7 +284,10 @@ 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) @@ -246,18 +330,41 @@ def chop(main_text): main_xml_part = part_xml[0] # master last_node_part = False + + # 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 + for one_part in main_text: name = one_part.tag - 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)] + 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: - main_xml_part.append(deepcopy(one_part)) - last_node_part = False + 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 @@ -266,7 +373,9 @@ 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", "naglowek_rozdzial", "naglowek_akt", "srodtytul"): + 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) @@ -281,7 +390,11 @@ 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 @@ -291,15 +404,19 @@ def transform(wldoc, verbose=False, """ produces a EPUB file sample=n: generate sample e-book (with at least n paragraphs) - cover: a cover.Cover object or True for default - flags: less-advertising, without-fonts + cover: a cover.Cover factory or True for default + flags: less-advertising, without-fonts, working-copy """ 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()) + 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) @@ -309,7 +426,11 @@ def transform(wldoc, verbose=False, 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)) + 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: @@ -320,7 +441,12 @@ 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) @@ -368,6 +494,15 @@ def transform(wldoc, verbose=False, for flag in flags: document.edoc.getroot().set(flag, 'yes') + # add editors info + document.edoc.getroot().set('editors', u', '.join(sorted( + editor.readable() for editor in document.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')) @@ -395,30 +530,33 @@ def transform(wldoc, verbose=False, if cover: if cover is True: - cover = WLCover - if 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) + cover = DefaultEbookCover cover_file = StringIO() - c = cover(document.book_info) - c.save(cover_file) - c_name = 'cover.%s' % c.ext() - zip.writestr(os.path.join('OPS', c_name), cover_file.getvalue()) + 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', c_name) + 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: + 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) manifest.append(etree.fromstring( '')) manifest.append(etree.fromstring( - '' % (c_name, c.mime_type()))) - spine.insert(0, etree.fromstring('')) + '' % (cover_name, bound_cover.mime_type()))) + spine.insert(0, etree.fromstring('')) opf.getroot()[0].append(etree.fromstring('')) guide.append(etree.fromstring('')) @@ -455,7 +593,20 @@ 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( + '')) + spine.append(etree.fromstring( + '')) + html_string = open(get_resource('epub/support.html')).read() + chars.update(used_chars(etree.fromstring(html_string))) + zip.writestr('OPS/support.html', html_string) toc.add("Strona redakcyjna", "last.html") manifest.append(etree.fromstring( @@ -465,17 +616,24 @@ 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 tmpdir = mkdtemp('-librarian-epub') - cwd = os.getcwd() + 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)] + get_resource('fonts/' + fname), os.path.join(tmpdir, fname)] if verbose: print "Running font-optimizer" subprocess.check_call(optimizer_call) @@ -483,11 +641,13 @@ def transform(wldoc, verbose=False, 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))) + '' % (fname, fname))) rmtree(tmpdir) - os.chdir(cwd) - - zip.writestr('OPS/content.opf', etree.tostring(opf, pretty_print=True)) + 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: @@ -495,7 +655,7 @@ def transform(wldoc, verbose=False, 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][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, ''))) @@ -504,7 +664,9 @@ 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)) + 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)