X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/cba76114f031d47c93e1af947a350230cbef0a1f..f4cbb15b0bcd2b876872983238a1656fbd990700:/librarian/epub.py?ds=inline diff --git a/librarian/epub.py b/librarian/epub.py index bbeb3d7..de136ea 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 @@ -14,10 +15,11 @@ from lxml import etree import zipfile from tempfile import mkdtemp, NamedTemporaryFile from shutil import rmtree +from mimetypes import guess_type from librarian import RDFNS, WLNS, NCXNS, OPFNS, XHTMLNS, OutputFile -from librarian.cover import WLCover - +from librarian.cover import WLCover, FutureOfCopyrightCover +from librarian.latex import LatexFragment from librarian import functions, get_resource functions.reg_person_name() @@ -109,31 +111,74 @@ 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): @@ -285,9 +330,33 @@ def transform_chunk(chunk_xml, chunk_no, annotations, empty=False, _empty_html_s return output_html, toc, chars +def flatten_image_paths(wldoc): + root = wldoc.edoc.getroot() + for node in root.findall(".//ilustr"): + node.attrib['src'] = os.path.basename(node.attrib['src']) + return wldoc + +def render_latex(wldoc, prefix="latex"): + """ + Renders CODE as images and returns + (changed_wldoc, [ (epub_filepath1, latexfragment_object1), ... ] +""" + root = wldoc.edoc.getroot() + latex_nodes = root.findall(".//latex") + images = [] + for ln in latex_nodes: + fragment = LatexFragment(ln.text, resize=40) + images.append((os.path.join(prefix, fragment.filename), fragment)) + ln.tag = "img" + ln.text = os.path.join(prefix, fragment.filename) + + return wldoc, images + + def transform(wldoc, verbose=False, style=None, html_toc=False, - sample=None, cover=None, flags=None): + sample=None, cover=None, flags=None, resources=None, + intro_file=None, cover_file=None): """ produces a EPUB file sample=n: generate sample e-book (with at least n paragraphs) @@ -311,7 +380,7 @@ def transform(wldoc, verbose=False, zip.writestr('OPS/title.html', etree.tostring(html_tree, method="html", pretty_print=True)) # add a title page TOC entry - toc.add(u"Strona tytułowa", "title.html") + toc.add(u"Tytuł", "title.html") elif wldoc.book_info.parts: # write title page for every parent if sample is not None and sample <= 0: @@ -335,6 +404,8 @@ def transform(wldoc, verbose=False, if main_text.tag == RDFNS('RDF'): main_text = None + flatten_image_paths(wldoc) + if main_text is not None: for chunk_xml in chop(main_text): empty = False @@ -392,28 +463,48 @@ def transform(wldoc, verbose=False, 'media-type="application/oebps-package+xml" />' \ '') zip.write(get_resource('res/wl-logo-small.png'), os.path.join('OPS', 'logo_wolnelektury.png')) + zip.write(get_resource('res/logo.png'), os.path.join('OPS', 'logo.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')) + document, latex_images = render_latex(document) + for image in latex_images: + zip.write(image[1].path, os.path.join('OPS', image[0])) + image[1].remove() + + if resources: + if os.path.isdir(resources): + for dp, dirs, files in os.walk(resources): + for fname in files: + fpath = os.path.join(dp, fname) + if os.path.isfile(fpath): + zip.write(fpath, os.path.join('OPS', fname)) + manifest.append(etree.fromstring( + '' % (os.path.splitext(fname)[0], fname, guess_type(fpath)[0]))) + + else: + print "resources path %s is not directory" % resources + + if cover: if cover is True: - cover = WLCover + cover = FutureOfCopyrightCover cover_file = StringIO() - 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()) + 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()) del cover_file cover_tree = etree.parse(get_resource('epub/cover.html')) - cover_tree.find('//' + XHTMLNS('img')).set('src', cover_name) + cover_tree.find('//' + XHTMLNS('img')).set('src', c_name) zip.writestr('OPS/cover.html', etree.tostring( cover_tree, method="html", pretty_print=True)) - if bound_cover.uses_dc_cover: + if c.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: @@ -422,11 +513,12 @@ def transform(wldoc, verbose=False, manifest.append(etree.fromstring( '')) manifest.append(etree.fromstring( - '' % (cover_name, bound_cover.mime_type()))) + '' % (c_name, c.mime_type()))) spine.insert(0, etree.fromstring('')) opf.getroot()[0].append(etree.fromstring('')) guide.append(etree.fromstring('')) - + + annotations = etree.Element('annotations') @@ -437,17 +529,36 @@ def transform(wldoc, verbose=False, '') nav_map = toc_file[-1] + manifest.append(etree.fromstring( + '')) + spine.append(etree.fromstring( + '')) + html_tree = xslt(document.edoc, get_resource('epub/xsltFirst.xsl')) +# chars.update(used_chars(html_tree.getroot())) + zip.writestr('OPS/first.html', etree.tostring( + html_tree, method="html", pretty_print=True)) + + if intro_file: + manifest.append(etree.fromstring( + '')) + spine.append(etree.fromstring( + '')) + zip.writestr('OPS/intro.html', open(intro_file or get_resource('epub/intro.html')).read()) + + if html_toc: manifest.append(etree.fromstring( '')) spine.append(etree.fromstring( '')) - guide.append(etree.fromstring('')) + guide.append(etree.fromstring('')) toc, chunk_counter, chars, sample = transform_file(document, sample=sample) + toc.add("Informacje redakcyjne", "first.html", index=0) + if len(toc.children) < 2: - toc.add(u"Początek utworu", "part1.html") + toc.add(u"Początek książki", "part1.html") # Last modifications in container files and EPUB creation if len(annotations) > 0: @@ -462,7 +573,16 @@ def transform(wldoc, verbose=False, zip.writestr('OPS/annotations.html', etree.tostring( html_tree, method="html", pretty_print=True)) - toc.add("Strona redakcyjna", "last.html") + # toc.add("Weprzyj 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("Informacje redakcyjne", "last.html") manifest.append(etree.fromstring( '')) spine.append(etree.fromstring(