import os.path
import re
import subprocess
-from six import BytesIO
+import six
from copy import deepcopy
from mimetypes import guess_type
+from ebooklib import epub
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 import RDFNS, WLNS, 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()
def squeeze_whitespace(s):
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])
+ short_lng = functions.lang_code_3to2(bibl_lng[0])
try:
return Hyphenator(get_resource('res/hyph-dictionaries/hyph_' +
short_lng + '.dic'))
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'}
- )
- 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)
-
-
-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(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
-
- def append(self, toc):
- self.children.append(toc)
-
- def extend(self, toc):
- self.children.extend(toc.children)
-
- 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(
- "<div style='margin-left:%dem;'><a href='%s'>%s</a></div>" %
- (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 ''))
and a set of used characters.
"""
- toc = 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)
+ toc.append(
+ (
+ epub.Link(
+ "part%d.xhtml#book-text" % chunk_no,
+ node_name(element),
+ "part%d-text" % chunk_no
+ ),
+ []
+ )
+ )
elif element.tag in ("naglowek_rozdzial", "naglowek_akt", "srodtytul"):
- toc.add(node_name(element), "part%d.html" % chunk_no)
+ toc.append(
+ (
+ epub.Link(
+ "part%d.xhtml" % chunk_no,
+ node_name(element),
+ "part%d" % 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))
+ subnumber = len(toc[-1][1])
+ toc[-1][1].append(
+ epub.Link(
+ "part%d.xhtml#sub%d" % (chunk_no, subnumber),
+ node_name(element),
+ "part%d-sub%d" % (chunk_no, subnumber)
+ )
+ )
+ element.set('sub', six.text_type(subnumber))
if empty:
if not _empty_html_static:
- with open(get_resource('epub/emptyChunk.html')) as f:
+ with open(get_resource('epub/emptyChunk.xhtml')) as f:
_empty_html_static.append(f.read())
chars = set()
output_html = _empty_html_static[0]
output_html = etree.tostring(
html_tree, pretty_print=True, xml_declaration=True,
encoding="utf-8",
- doctype='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" ' +
- '"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'
+ doctype='<!DOCTYPE html>'
)
return output_html, toc, chars
-def transform(wldoc, verbose=False, style=None, html_toc=False,
+def remove_empty_lists_from_toc(toc):
+ for i, e in enumerate(toc):
+ if isinstance(e, tuple):
+ if e[1]:
+ remove_empty_lists_from_toc(e[1])
+ else:
+ toc[i] = e[0]
+
+
+def transform(wldoc, verbose=False, style=None,
sample=None, cover=None, flags=None, hyphenate=False,
ilustr_path='', output_type='epub'):
""" produces a EPUB file
# every input file will have a TOC entry,
# pointing to starting chunk
- toc = TOC(wldoc.book_info.title, "part%d.html" % chunk_counter)
+ toc = [
+ (
+ epub.Link(
+ "part%d.xhtml" % chunk_counter,
+ wldoc.book_info.title,
+ "path%d-start" % chunk_counter
+ ),
+ []
+ )
+ ]
chars = set()
if first:
# write book title page
html_string = etree.tostring(
html_tree, pretty_print=True, xml_declaration=True,
encoding="utf-8",
- doctype='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"' +
- ' "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'
+ doctype='<!DOCTYPE html>'
+ )
+ item = epub.EpubItem(
+ uid="titlePage",
+ file_name="title.xhtml",
+ media_type="application/xhtml+xml",
+ content=squeeze_whitespace(html_string)
)
- zip.writestr('OPS/title.html', squeeze_whitespace(html_string))
+ spine.append(item)
+ output.add_item(item)
# add a title page TOC entry
- toc.add(u"Strona tytułowa", "title.html")
+ toc[-1][1].append(
+ epub.Link(
+ "title.xhtml",
+ "Strona tytułowa",
+ "title",
+ )
+ )
+
+ item = epub.EpubNav()
+ toc[-1][1].append(
+ epub.Link(
+ "nav.xhtml",
+ "Spis treści",
+ "nav"
+ )
+ )
+ output.add_item(item)
+ spine.append(item)
+
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()
+ html_string = open(
+ get_resource('epub/emptyChunk.xhtml')).read()
else:
html_tree = xslt(wldoc.edoc,
get_resource('epub/xsltChunkTitle.xsl'))
html_string = etree.tostring(
html_tree, pretty_print=True, xml_declaration=True,
encoding="utf-8",
- doctype='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"'
- ' "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'
+ doctype='<!DOCTYPE html>'
)
- zip.writestr('OPS/part%d.html' % chunk_counter,
- squeeze_whitespace(html_string))
- add_to_manifest(manifest, chunk_counter)
- add_to_spine(spine, chunk_counter)
+ item = epub.EpubItem(
+ uid="part%d" % chunk_counter,
+ file_name="part%d.xhtml" % chunk_counter,
+ media_type="application/xhtml+xml",
+ content=squeeze_whitespace(html_string)
+ )
+ output.add_item(item)
+ spine.append(item)
+
chunk_counter += 1
if len(wldoc.edoc.getroot()) > 1:
chunk_html, chunk_toc, chunk_chars = transform_chunk(
chunk_xml, chunk_counter, annotations, empty)
- toc.extend(chunk_toc)
+ toc[-1][1].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)
+ item = epub.EpubItem(
+ uid="part%d" % chunk_counter,
+ file_name="part%d.xhtml" % chunk_counter,
+ media_type="application/xhtml+xml",
+ content=squeeze_whitespace(chunk_html)
+ )
+ output.add_item(item)
+ spine.append(item)
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)
+ toc[-1][1].extend(child_toc)
chars = chars.union(chunk_chars)
return toc, chunk_counter, chars, sample
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 = epub.EpubBook()
+ output.set_identifier(six.text_type(document.book_info.url))
+ output.set_language(functions.lang_code_3to2(document.book_info.language))
+ output.set_title(document.book_info.title)
+ for author in document.book_info.authors:
+ output.add_author(
+ author.readable(),
+ file_as=six.text_type(author)
+ )
+ for translator in document.book_info.translators:
+ output.add_author(
+ translator.readable(),
+ file_as=six.text_type(translator),
+ role='translator'
+ )
+ for publisher in document.book_info.publisher:
+ output.add_metadata("DC", "publisher", publisher)
+ output.add_metadata("DC", "date", document.book_info.created_at)
- output_file = NamedTemporaryFile(prefix='librarian', suffix='.epub',
- delete=False)
- zip = zipfile.ZipFile(output_file, 'w', zipfile.ZIP_DEFLATED)
+ output.guide.append({
+ "type": "text",
+ "title": "Początek",
+ "href": "part1.xhtml"
+ })
+
+ output.add_item(epub.EpubNcx())
+
+ spine = output.spine
functions.reg_mathml_epub(zip)
if filename not in ilustr_elements:
continue
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(
- '<item id="%s" href="%s" media-type="%s" />' % (
- image_id, filename, guess_type(file_path)[0])
- ))
+ with open(file_path, 'rb') as f:
+ output.add_item(
+ epub.EpubItem(
+ uid='image%s' % i,
+ file_name=filename,
+ media_type=guess_type(file_path)[0],
+ content=f.read()
+ )
+ )
# write static elements
- mime = zipfile.ZipInfo()
- mime.filename = 'mimetype'
- mime.compress_type = zipfile.ZIP_STORED
- mime.extra = b''
- zip.writestr(mime, b'application/epub+zip')
- zip.writestr(
- 'META-INF/container.xml',
- b'<?xml version="1.0" ?>'
- b'<container version="1.0" '
- b'xmlns="urn:oasis:names:tc:opendocument:xmlns:container">'
- b'<rootfiles><rootfile full-path="OPS/content.opf" '
- b'media-type="application/oebps-package+xml" />'
- b'</rootfiles></container>'
- )
- 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'))
+
+ with open(get_resource('res/wl-logo-small.png'), 'rb') as f:
+ output.add_item(
+ epub.EpubItem(
+ uid="logo_wolnelektury.png",
+ file_name="logo_wolnelektury.png",
+ media_type="image/png",
+ content=f.read()
+ )
+ )
+ with open(get_resource('res/jedenprocent.png'), 'rb') as f:
+ output.add_item(
+ epub.EpubItem(
+ uid="jedenprocent",
+ file_name="jedenprocent.png",
+ media_type="image/png",
+ content=f.read()
+ )
+ )
+
if not style:
style = get_resource('epub/style.css')
- zip.write(style, os.path.join('OPS', 'style.css'))
+ with open(style, 'rb') as f:
+ output.add_item(
+ epub.EpubItem(
+ uid="style",
+ file_name="style.css",
+ media_type="text/css",
+ content=f.read()
+ )
+ )
if cover:
if cover is True:
cover = make_cover
- cover_file = BytesIO()
+ cover_file = six.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='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" ' +
- '"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'
- ))
+ output.set_cover(
+ file_name=cover_name,
+ content=cover_file.getvalue(),
+ )
+ spine.append('cover')
+ output.guide.append({
+ "type": "cover",
+ "href": "cover.xhtml",
+ "title": "Okładka",
+ })
+
+ del cover_file
if bound_cover.uses_dc_cover:
if document.book_info.cover_by:
document.edoc.getroot().set('data-cover-source',
document.book_info.cover_source)
- manifest.append(etree.fromstring(
- '<item id="cover" href="cover.html" '
- 'media-type="application/xhtml+xml" />'
- ))
- manifest.append(etree.fromstring(
- '<item id="cover-image" href="%s" media-type="%s" />' % (
- cover_name, bound_cover.mime_type()
- )
- ))
- spine.insert(0, etree.fromstring('<itemref idref="cover"/>'))
- opf.getroot()[0].append(etree.fromstring(
- '<meta name="cover" content="cover-image"/>'
- ))
- guide.append(etree.fromstring(
- '<reference href="cover.html" type="cover" title="Okładka"/>'
- ))
-
annotations = etree.Element('annotations')
- toc_file = etree.fromstring(
- b'<?xml version="1.0" encoding="utf-8"?><!DOCTYPE ncx PUBLIC '
- b'"-//NISO//DTD ncx 2005-1//EN" '
- b'"http://www.daisy.org/z3986/2005/ncx-2005-1.dtd">'
- b'<ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" xml:lang="pl" '
- b'version="2005-1"><head></head><docTitle></docTitle><navMap>'
- b'</navMap></ncx>'
- )
- nav_map = toc_file[-1]
-
- if html_toc:
- manifest.append(etree.fromstring(
- '<item id="html_toc" href="toc.html" '
- 'media-type="application/xhtml+xml" />'
- ))
- spine.append(etree.fromstring(
- '<itemref idref="html_toc" />'))
- guide.append(etree.fromstring(
- '<reference href="toc.html" type="toc" title="Spis treści"/>'
- ))
-
toc, chunk_counter, chars, sample = transform_file(document, sample=sample)
-
- if len(toc.children) < 2:
- toc.add(u"Początek utworu", "part1.html")
+ output.toc = toc[0][1]
+
+ if len(toc) < 2:
+ toc.append(
+ epub.Link(
+ "part1.xhtml",
+ "Początek utworu",
+ "part1"
+ )
+ )
# Last modifications in container files and EPUB creation
if len(annotations) > 0:
- toc.add("Przypisy", "annotations.html")
- manifest.append(etree.fromstring(
- '<item id="annotations" href="annotations.html" '
- 'media-type="application/xhtml+xml" />'
- ))
- spine.append(etree.fromstring(
- '<itemref idref="annotations" />'))
+ toc.append(
+ epub.Link(
+ "annotations.xhtml",
+ "Przypisy",
+ "annotations"
+ )
+ )
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(
- html_tree, pretty_print=True, xml_declaration=True,
- encoding="utf-8",
- doctype='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" ' +
- '"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'
- ))
- toc.add("Wesprzyj Wolne Lektury", "support.html")
- manifest.append(etree.fromstring(
- '<item id="support" href="support.html" '
- 'media-type="application/xhtml+xml" />'
- ))
- spine.append(etree.fromstring(
- '<itemref idref="support" />'))
- html_string = open(get_resource('epub/support.html'), 'rb').read()
+ item = epub.EpubItem(
+ uid="annotations",
+ file_name="annotations.xhtml",
+ media_type="application/xhtml+xml",
+ content=etree.tostring(
+ html_tree, pretty_print=True, xml_declaration=True,
+ encoding="utf-8",
+ doctype='<!DOCTYPE html>'
+ )
+ )
+ output.add_item(item)
+ spine.append(item)
+
+ toc.append(
+ epub.Link(
+ "support.xhtml",
+ "Wesprzyj Wolne Lektury",
+ "support"
+ )
+ )
+ with open(get_resource('epub/support.xhtml'), 'rb') as f:
+ html_string = f.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(
- '<item id="last" href="last.html" '
- 'media-type="application/xhtml+xml" />'
- ))
- spine.append(etree.fromstring(
- '<itemref idref="last" />'))
+ item = epub.EpubItem(
+ uid="support",
+ file_name="support.xhtml",
+ media_type="application/xhtml+xml",
+ content=squeeze_whitespace(html_string)
+ )
+ output.add_item(item)
+ spine.append(item)
+
+ toc.append(
+ epub.Link(
+ "last.xhtml",
+ "Strona redakcyjna",
+ "last"
+ )
+ )
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='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" ' +
- '"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'
- )))
+ item = epub.EpubItem(
+ uid="last",
+ file_name="last.xhtml",
+ media_type="application/xhtml+xml",
+ content=squeeze_whitespace(etree.tostring(
+ html_tree, pretty_print=True, xml_declaration=True,
+ encoding="utf-8",
+ doctype='<!DOCTYPE html>'
+ ))
+ )
+ output.add_item(item)
+ spine.append(item)
if not flags or 'without-fonts' not in flags:
# strip fonts
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(
- '<item id="%s" href="%s" '
- 'media-type="application/x-font-truetype" />'
- % (fname, fname)
- ))
+ with open(os.path.join(tmpdir, fname), 'rb') as f:
+ output.add_item(
+ epub.EpubItem(
+ uid=fname,
+ file_name=fname,
+ media_type="font/ttf",
+ content=f.read()
+ )
+ )
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', str(document.book_info.url))
- toc_file[0][1].set('content', str(toc.depth()))
- set_inner_xml(toc_file[1], ''.join(('<text>', title, '</text>')))
-
- # 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()
+ remove_empty_lists_from_toc(output.toc)
+
+ output_file = NamedTemporaryFile(prefix='librarian', suffix='.epub',
+ delete=False)
+ output_file.close()
+ epub.write_epub(output_file.name, output, {'epub3_landmark': False})
return OutputFile.from_filename(output_file.name)
fnp / librarian.git / commitdiff