X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/bddf82ce5ec2a7c34b6b14d3bdb6c4cf24af7388..a7228ee631d0902dd1d280ce4963954942621e60:/librarian/epub.py diff --git a/librarian/epub.py b/librarian/epub.py index e52e524..cb2f2f4 100644 --- a/librarian/epub.py +++ b/librarian/epub.py @@ -11,6 +11,8 @@ import re import subprocess from StringIO import StringIO from copy import deepcopy +from mimetypes import guess_type + from lxml import etree import zipfile from tempfile import mkdtemp, NamedTemporaryFile @@ -26,6 +28,7 @@ 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 = '' @@ -34,33 +37,39 @@ def set_hyph_language(source_tree): for line in f: list = line.strip().split('|') if list[0] == text: - result=list[2] + 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]) + 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')) + 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() + 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') - newt = re.sub(r'(?<=\s\w)\s+', u'\u00A0', newt) - if t.is_text: - parent.text = newt - elif t.is_tail: - parent.tail = newt - + 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 @@ -71,6 +80,7 @@ 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 @@ -134,7 +144,7 @@ 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 = '' @@ -159,7 +169,7 @@ class Stanza(object): >>> print etree.tostring(s) a c cbx/ ycd - + """ def __init__(self, stanza_elem): self.stanza = stanza_elem @@ -221,18 +231,17 @@ 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) @@ -246,7 +255,7 @@ 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 @@ -304,7 +313,7 @@ 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): @@ -327,10 +336,10 @@ 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 loop are workaround for a problem with epubs in drama ebooks without acts is_scene = False is_act = False @@ -340,7 +349,7 @@ def chop(main_text): is_scene = True elif name == 'naglowek_akt': is_act = True - + for one_part in main_text: name = one_part.tag if is_act is False and is_scene is True: @@ -364,7 +373,7 @@ 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 @@ -390,17 +399,17 @@ 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, pretty_print = True, - xml_declaration = True, - encoding = "utf-8", - doctype='') + 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): +def transform(wldoc, verbose=False, style=None, html_toc=False, + sample=None, cover=None, flags=None, hyphenate=False, ilustr_path=''): """ produces a EPUB file sample=n: generate sample e-book (with at least n paragraphs) @@ -412,11 +421,10 @@ def transform(wldoc, verbose=False, """ processes one input file and proceeds to its children """ replace_characters(wldoc.edoc.getroot()) - - hyphenator = set_hyph_language(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) @@ -425,12 +433,15 @@ 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, pretty_print = True, - xml_declaration = True, - encoding = "utf-8", - doctype='')) + 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: @@ -441,12 +452,12 @@ 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, - pretty_print = True, - xml_declaration = True, - encoding = "utf-8", - doctype='') + 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) @@ -486,7 +497,6 @@ def transform(wldoc, verbose=False, return toc, chunk_counter, chars, sample - document = deepcopy(wldoc) del wldoc @@ -494,9 +504,14 @@ def transform(wldoc, verbose=False, for flag in flags: document.edoc.getroot().set(flag, 'yes') + document.clean_ed_note() + document.clean_ed_note('abstrakt') + # add editors info - document.edoc.getroot().set('editors', u', '.join(sorted( - editor.readable() for editor in document.editors()))) + 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)) @@ -511,19 +526,35 @@ def transform(wldoc, verbose=False, 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') - 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')) @@ -542,9 +573,11 @@ 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, pretty_print = True, xml_declaration = True, encoding = "utf-8", - doctype='')) + cover_tree, pretty_print=True, xml_declaration=True, + encoding="utf-8", + doctype='' + )) if bound_cover.uses_dc_cover: if document.book_info.cover_by: @@ -560,14 +593,16 @@ def transform(wldoc, verbose=False, 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: @@ -593,11 +628,11 @@ 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, pretty_print = True, - xml_declaration = True, - encoding = "utf-8", - doctype='')) + html_tree, pretty_print=True, xml_declaration=True, + encoding="utf-8", + doctype='' + )) toc.add("Wesprzyj Wolne Lektury", "support.html") manifest.append(etree.fromstring( @@ -616,13 +651,13 @@ 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, pretty_print = True, - xml_declaration = True, - encoding = "utf-8", - doctype='')) + html_tree, pretty_print=True, xml_declaration=True, + encoding="utf-8", + doctype='' + )) - if not flags or not 'without-fonts' in flags: + if not flags or 'without-fonts' not in flags: # strip fonts tmpdir = mkdtemp('-librarian-epub') try: @@ -632,8 +667,10 @@ 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': - optimizer_call = ['perl', 'subset.pl', '--chars', ''.join(chars).encode('utf-8'), - get_resource('fonts/' + fname), os.path.join(tmpdir, 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) @@ -645,9 +682,8 @@ def transform(wldoc, verbose=False, 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: @@ -664,9 +700,8 @@ 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)