X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/07793241cd7b314aadc8bad12d1c327545545e19..a67b6e3ad2751083a433228454665c212c9a5a1e:/librarian/epub.py
diff --git a/librarian/epub.py b/librarian/epub.py
index c25ba19..e992f40 100644
--- a/librarian/epub.py
+++ b/librarian/epub.py
@@ -7,9 +7,12 @@ from __future__ import with_statement
import os
import os.path
+import subprocess
from copy import deepcopy
from lxml import etree
import zipfile
+from tempfile import mkdtemp
+from shutil import rmtree
import sys
sys.path.append('..') # for running from working copy
@@ -17,6 +20,10 @@ sys.path.append('..') # for running from working copy
from librarian import XMLNamespace, RDFNS, DCNS, WLNS, NCXNS, OPFNS, NoDublinCore
from librarian.dcparser import BookInfo
+from librarian import functions
+
+functions.reg_person_name()
+
def inner_xml(node):
""" returns node's text and children as a string
@@ -206,6 +213,14 @@ class TOC(object):
return counter
+def used_chars(element):
+ """ Lists characters used in an ETree Element """
+ chars = set((element.text or '') + (element.tail or ''))
+ for child in element:
+ chars = chars.union(used_chars(child))
+ return chars
+
+
def chop(main_text):
""" divide main content of the XML file into chunks """
@@ -231,7 +246,7 @@ def chop(main_text):
def transform_chunk(chunk_xml, chunk_no, annotations):
- """ transforms one chunk, returns a HTML string and a TOC object """
+ """ transforms one chunk, returns a HTML string, a TOC object and a set of used characters """
toc = TOC()
for element in chunk_xml[0]:
@@ -242,8 +257,10 @@ def transform_chunk(chunk_xml, chunk_no, annotations):
element.set('sub', str(subnumber))
find_annotations(annotations, chunk_xml, chunk_no)
replace_by_verse(chunk_xml)
- output_html = etree.tostring(xslt(chunk_xml, res('xsltScheme.xsl')), pretty_print=True)
- return output_html, toc
+ html_tree = xslt(chunk_xml, res('xsltScheme.xsl'))
+ chars = used_chars(html_tree.getroot())
+ output_html = etree.tostring(html_tree, pretty_print=True)
+ return output_html, toc, chars
def transform(provider, slug, output_file=None, output_dir=None):
@@ -262,14 +279,19 @@ def transform(provider, slug, output_file=None, output_dir=None):
# every input file will have a TOC entry,
# pointing to starting chunk
toc = TOC(node_name(input_xml.find('.//'+DCNS('title'))), chunk_counter)
+ chars = set()
if first:
# write book title page
+ html_tree = xslt(input_xml, res('xsltTitle.xsl'))
+ chars = used_chars(html_tree.getroot())
zip.writestr('OPS/title.html',
- etree.tostring(xslt(input_xml, res('xsltTitle.xsl')), pretty_print=True))
+ etree.tostring(html_tree, pretty_print=True))
elif children:
# write title page for every parent
+ html_tree = xslt(input_xml, res('xsltChunkTitle.xsl'))
+ chars = used_chars(html_tree.getroot())
zip.writestr('OPS/part%d.html' % chunk_counter,
- etree.tostring(xslt(input_xml, res('xsltChunkTitle.xsl')), pretty_print=True))
+ etree.tostring(html_tree, pretty_print=True))
add_to_manifest(manifest, chunk_counter)
add_to_spine(spine, chunk_counter)
chunk_counter += 1
@@ -287,8 +309,9 @@ def transform(provider, slug, output_file=None, output_dir=None):
replace_characters(main_text)
for chunk_xml in chop(main_text):
- chunk_html, chunk_toc = transform_chunk(chunk_xml, chunk_counter, annotations)
+ chunk_html, chunk_toc, chunk_chars = transform_chunk(chunk_xml, chunk_counter, annotations)
toc.extend(chunk_toc)
+ chars = chars.union(chunk_chars)
zip.writestr('OPS/part%d.html' % chunk_counter, chunk_html)
add_to_manifest(manifest, chunk_counter)
add_to_spine(spine, chunk_counter)
@@ -297,10 +320,11 @@ def transform(provider, slug, output_file=None, output_dir=None):
if children:
for child in children:
child_xml = etree.parse(provider.by_uri(child))
- child_toc, chunk_counter = transform_file(child_xml, chunk_counter, first=False)
+ child_toc, chunk_counter, chunk_chars = transform_file(child_xml, chunk_counter, first=False)
toc.append(child_toc)
+ chars = chars.union(chunk_chars)
- return toc, chunk_counter
+ return toc, chunk_counter, chars
# read metadata from the first file
input_xml = etree.parse(provider[slug])
@@ -349,13 +373,14 @@ def transform(provider, slug, output_file=None, output_dir=None):
'version="2005-1">' \
'' \
'Strona tytuÅowa' \
- '' \
- 'PoczÄ
tek utworu' \
'')
nav_map = toc_file[-1]
- toc, chunk_counter = transform_file(input_xml)
- toc_counter = toc.write_to_xml(nav_map, 3) # we already have 2 navpoints
+ toc, chunk_counter, chars = transform_file(input_xml)
+
+ if not toc.children:
+ toc.add(u"PoczÄ
tek utworu", 1)
+ toc_counter = toc.write_to_xml(nav_map, 2)
# Last modifications in container files and EPUB creation
if len(annotations) > 0:
@@ -367,8 +392,21 @@ def transform(provider, slug, output_file=None, output_dir=None):
spine.append(etree.fromstring(
''))
replace_by_verse(annotations)
+ html_tree = xslt(annotations, res("xsltAnnotations.xsl"))
+ chars = chars.union(used_chars(html_tree.getroot()))
zip.writestr('OPS/annotations.html', etree.tostring(
- xslt(annotations, res("xsltAnnotations.xsl")), pretty_print=True))
+ html_tree, 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':
+ subprocess.check_call(['./subset.pl', '--chars', ''.join(chars).encode('utf-8'), res('../fonts/' + fname), os.path.join(tmpdir, fname)])
+ zip.write(os.path.join(tmpdir, fname), os.path.join('OPS', fname))
+ rmtree(tmpdir)
+ os.chdir(cwd)
zip.writestr('OPS/content.opf', etree.tostring(opf, pretty_print=True))
contents = []