import os
import os.path
import subprocess
+from StringIO import StringIO
from copy import deepcopy
from lxml import etree
import zipfile
from librarian import XMLNamespace, RDFNS, DCNS, WLNS, NCXNS, OPFNS, NoDublinCore
from librarian.dcparser import BookInfo
-from librarian import functions
+from librarian import functions, get_resource
functions.reg_person_name()
return xml.xslt(etree.parse(xsltf))
-_resdir = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'epub')
-def res(fname):
- return os.path.join(_resdir, fname)
-
-
def replace_characters(node):
def replace_chars(text):
if text is None:
child.clear()
child.tail = tail
child.text = number
- if child.tag not in ('extra', 'podtytul'):
+ if child.tag not in ('extra',):
find_annotations(annotations, child, part_no)
element.set('sub', str(subnumber))
if empty:
if not _empty_html_static:
- _empty_html_static.append(open(res('emptyChunk.html')).read())
+ _empty_html_static.append(open(get_resource('epub/emptyChunk.html')).read())
chars = set()
output_html = _empty_html_static[0]
else:
find_annotations(annotations, chunk_xml, chunk_no)
replace_by_verse(chunk_xml)
- html_tree = xslt(chunk_xml, res('xsltScheme.xsl'))
+ 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)
return output_html, toc, chars
-def transform(provider, slug=None, file_path=None, output_file=None, output_dir=None, make_dir=False, verbose=False, sample=None):
+def transform(provider, slug=None, file_path=None, output_file=None, output_dir=None, make_dir=False, verbose=False,
+ sample=None, cover_fn=None, flags=None):
""" produces a EPUB file
provider: a DocProvider
output_dir: path to directory to save output file to; either this or output_file must be present
make_dir: writes output to <output_dir>/<author>/<slug>.epub instead of <output_dir>/<slug>.epub
sample=n: generate sample e-book (with at least n paragraphs)
+ cover_fn: function(author, title) -> cover image
+ flags: less-advertising,
"""
def transform_file(input_xml, chunk_counter=1, first=True, sample=None):
chars = set()
if first:
# write book title page
- html_tree = xslt(input_xml, res('xsltTitle.xsl'))
+ html_tree = xslt(input_xml, 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))
# write title page for every parent
if sample is not None and sample <= 0:
chars = set()
- html_string = open(res('emptyChunk.html')).read()
+ html_string = open(get_resource('epub/emptyChunk.html')).read()
else:
- html_tree = xslt(input_xml, res('xsltChunkTitle.xsl'))
+ html_tree = xslt(input_xml, get_resource('epub/xsltChunkTitle.xsl'))
chars = used_chars(html_tree.getroot())
html_string = etree.tostring(html_tree, method="html", pretty_print=True)
zip.writestr('OPS/part%d.html' % chunk_counter, html_string)
raise ValueError('either slug or file_path should be specified')
input_xml = etree.parse(provider[slug])
+ if flags:
+ for flag in flags:
+ input_xml.getroot().set(flag, 'yes')
+
metadata = input_xml.find('.//'+RDFNS('Description'))
if metadata is None:
raise NoDublinCore('Document has no DublinCore - which is required.')
'<rootfiles><rootfile full-path="OPS/content.opf" ' \
'media-type="application/oebps-package+xml" />' \
'</rootfiles></container>')
- for fname in 'style.css', 'logo_wolnelektury.png':
- zip.write(res(fname), os.path.join('OPS', fname))
+ zip.write(get_resource('epub/style.css'), os.path.join('OPS', 'style.css'))
+ zip.write(get_resource('res/wl-logo-small.png'), os.path.join('OPS', 'logo_wolnelektury.png'))
- opf = xslt(metadata, res('xsltContent.xsl'))
+ opf = xslt(metadata, get_resource('epub/xsltContent.xsl'))
manifest = opf.find('.//' + OPFNS('manifest'))
spine = opf.find('.//' + OPFNS('spine'))
+ if cover_fn:
+ cover = StringIO()
+ cover_fn(book_info.author.readable(), book_info.title).save(cover, format='JPEG')
+ zip.writestr(os.path.join('OPS', 'cover.jpg'), cover.getvalue())
+ del cover
+ zip.writestr('OPS/cover.html', open(get_resource('epub/cover.html')).read())
+ manifest.append(etree.fromstring(
+ '<item id="cover" href="cover.html" media-type="application/xhtml+xml" />'))
+ manifest.append(etree.fromstring(
+ '<item id="cover-image" href="cover.jpg" media-type="image/jpeg" />'))
+ spine.insert(0, etree.fromstring('<itemref idref="cover" />'))
+ opf.getroot()[0].append(etree.fromstring('<meta name="cover" content="cover-image"/>'))
+ opf.getroot().append(etree.fromstring('<guide><reference href="cover.html" type="cover" title="Okładka"/></guide>'))
+
+
annotations = etree.Element('annotations')
toc_file = etree.fromstring('<?xml version="1.0" encoding="utf-8"?><!DOCTYPE ncx PUBLIC ' \
nav_map.append(etree.fromstring(
'<navPoint id="NavPoint-%(i)d" playOrder="%(i)d" ><navLabel><text>Przypisy</text>'\
'</navLabel><content src="annotations.html" /></navPoint>' % {'i': toc_counter}))
+ toc_counter += 1
manifest.append(etree.fromstring(
'<item id="annotations" href="annotations.html" media-type="application/xhtml+xml" />'))
spine.append(etree.fromstring(
'<itemref idref="annotations" />'))
replace_by_verse(annotations)
- html_tree = xslt(annotations, res("xsltAnnotations.xsl"))
+ 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))
+ nav_map.append(etree.fromstring(
+ '<navPoint id="NavPoint-%(i)d" playOrder="%(i)d" ><navLabel><text>Strona redakcyjna</text>'\
+ '</navLabel><content src="last.html" /></navPoint>' % {'i': toc_counter}))
+ manifest.append(etree.fromstring(
+ '<item id="last" href="last.html" media-type="application/xhtml+xml" />'))
+ spine.append(etree.fromstring(
+ '<itemref idref="last" />'))
+ html_tree = xslt(input_xml, 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))
+
# strip fonts
tmpdir = mkdtemp('-librarian-epub')
cwd = os.getcwd()
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'), res('../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)