footer in epub

[librarian.git] / librarian / formats / epub / __init__.py

diff --git a/librarian/formats/epub/__init__.py b/librarian/formats/epub/__init__.py
index b9d1c7a..708b063 100644 (file)
--- a/librarian/formats/epub/__init__.py
+++ b/librarian/formats/epub/__init__.py
@@ -15,7 +15,7 @@ from lxml import etree
 from librarian import OPFNS, NCXNS, XHTMLNS, DCNS
 from librarian import core
 from librarian.formats import Format
-from librarian.formats.cover.wolnelektury import WLCover
+from librarian.formats.cover.evens import EvensCover
 from librarian.output import OutputFile
 from librarian.renderers import Register, TreeRenderer, UnknownElement
 from librarian.utils import Context, get_resource, extend_element
@@ -25,7 +25,7 @@ class EpubFormat(Format):
     format_name = 'EPUB'
     format_ext = 'epub'
 
-    cover = WLCover
+    cover = EvensCover
     renderers = Register()
 
     def __init__(self, doc, cover=None, with_fonts=True):
@@ -34,6 +34,9 @@ class EpubFormat(Format):
         if cover is not None:
             self.cover = cover
 
+    def dc(self, tag):
+        return self.doc.meta.get_one(DCNS(tag))
+
     def build(self, ctx=None):
 
         def add_file(url, file_id):
@@ -52,7 +55,7 @@ class EpubFormat(Format):
         guide = opf.find(OPFNS('guide'))
         spine = opf.find(OPFNS('spine'))
 
-        author = ", ". join(self.doc.meta.get(DCNS('creator')) or '')
+        author = ", ". join(self.doc.meta.get(DCNS('creator')) or [])
         title = self.doc.meta.title()
         opf.find('.//' + DCNS('creator')).text = author
         opf.find('.//' + DCNS('title')).text = title
@@ -79,8 +82,9 @@ class EpubFormat(Format):
         # nav_map = toc_file[-1]
 
         if self.cover is not None:
-            cover_image = self.doc.meta.get(DCNS('relation.coverimage.url'))[0]
+            # cover_image = self.doc.meta.get(DCNS('relation.coverimage.url'))[0]
             cover = self.cover(self.doc)
+            cover.set_images(ctx)
             cover_output = cover.build()
             cover_name = 'cover.%s' % cover.format_ext
             zip.writestr(os.path.join('OPS', cover_name), cover_output.get_string())
@@ -117,7 +121,7 @@ class EpubFormat(Format):
 
         wrap_tmpl = etree.parse(get_resource('formats/epub/res/chapter.html'))
         for e in self.render(self.doc.edoc.getroot(), ctx):
-            if not len(e) and not e.text.strip():
+            if not len(e) and not (e.text and e.text.strip()):
                 continue
             wrap = deepcopy(wrap_tmpl)
             extend_element(wrap.find('//*[@id="book-text"]'), e)
@@ -149,6 +153,31 @@ class EpubFormat(Format):
             zip.writestr('OPS/footnotes.html', etree.tostring(
                                 wrap, method="html", pretty_print=True))
 
+        footer_text = [
+            'Information about the resource',
+            'Publisher: %s' % self.dc('publisher'),
+            'Rights: %s' % self.dc('rights'),
+            'Intended audience: %s' % self.dc('audience'),
+            self.dc('description'),
+            'Resource prepared using MIL/PEER editing platform.',
+            'Source available at %s' % ctx.source_url,
+        ]
+        footer_wrap = deepcopy(wrap_tmpl)
+        footer_body = footer_wrap.find('//*[@id="book-text"]')
+        for line in footer_text:
+            footer_line = etree.Element('p')
+            footer_line.text = line
+            footer_body.append(footer_line)
+        manifest.append(manifest.makeelement(OPFNS('item'), attrib={
+            'id': 'footer',
+            'href': "footer.html",
+            'media-type': 'application/xhtml+xml',
+        }))
+        spine.append(spine.makeelement(OPFNS('itemref'), attrib={
+            'idref': 'footer',
+        }))
+        zip.writestr('OPS/footer.html', etree.tostring(footer_wrap, method='html'))
+
         zip.writestr('OPS/content.opf', etree.tostring(opf, pretty_print=True))
         ctx.toc.render(toc_file[-1])
         zip.writestr('OPS/toc.ncx', etree.tostring(toc_file, pretty_print=True))