fix for empty editors

[librarian.git] / librarian / epub.py

diff --git a/librarian/epub.py b/librarian/epub.py
index 666bcc9..527d050 100644 (file)
--- a/librarian/epub.py
+++ b/librarian/epub.py
@@ -8,6 +8,7 @@ from __future__ import with_statement
 import os
 import os.path
 import subprocess
 import os
 import os.path
 import subprocess

+from StringIO import StringIO

 from copy import deepcopy
 from lxml import etree
 import zipfile
 from copy import deepcopy
 from lxml import etree
 import zipfile


@@ -105,7 +106,7 @@ def find_annotations(annotations, source, part_no):
             child.clear()
             child.tail = tail
             child.text = number
             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)
 
 
             find_annotations(annotations, child, part_no)
 
 


@@ -264,7 +265,8 @@ def transform_chunk(chunk_xml, chunk_no, annotations, empty=False, _empty_html_s
     return output_html, toc, chars
 
 
     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
     """ produces a EPUB file
 
     provider: a DocProvider


@@ -273,6 +275,8 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir=
     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)
     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):
     """
 
     def transform_file(input_xml, chunk_counter=1, first=True, sample=None):


@@ -353,6 +357,10 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir=
             raise ValueError('either slug or file_path should be specified')
         input_xml = etree.parse(provider[slug])
 
             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.')
     metadata = input_xml.find('.//'+RDFNS('Description'))
     if metadata is None:
         raise NoDublinCore('Document has no DublinCore - which is required.')


@@ -393,6 +401,21 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir=
     manifest = opf.find('.//' + OPFNS('manifest'))
     spine = opf.find('.//' + OPFNS('spine'))
 
     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 ' \
     annotations = etree.Element('annotations')
 
     toc_file = etree.fromstring('<?xml version="1.0" encoding="utf-8"?><!DOCTYPE ncx PUBLIC ' \


@@ -415,6 +438,7 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir=
         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}))
         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(
         manifest.append(etree.fromstring(
             '<item id="annotations" href="annotations.html" media-type="application/xhtml+xml" />'))
         spine.append(etree.fromstring(


@@ -425,6 +449,18 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir=
         zip.writestr('OPS/annotations.html', etree.tostring(
                             html_tree, method="html", pretty_print=True))
 
         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()
     # strip fonts
     tmpdir = mkdtemp('-librarian-epub')
     cwd = os.getcwd()