Allow using remote cache for image downloading. Also, DRY in book2* scripts

[librarian.git] / librarian / epub.py

diff --git a/librarian/epub.py b/librarian/epub.py
index b063380..f34bb86 100644 (file)
--- a/librarian/epub.py
+++ b/librarian/epub.py
@@ -16,6 +16,7 @@ from tempfile import mkdtemp, NamedTemporaryFile
 from shutil import rmtree
 
 from librarian import RDFNS, WLNS, NCXNS, OPFNS, XHTMLNS, OutputFile
 from shutil import rmtree
 
 from librarian import RDFNS, WLNS, NCXNS, OPFNS, XHTMLNS, OutputFile

+from librarian.cover import WLCover

 
 from librarian import functions, get_resource
 
 
 from librarian import functions, get_resource
 


@@ -290,8 +291,8 @@ def transform(wldoc, verbose=False,
     """ produces a EPUB file
 
     sample=n: generate sample e-book (with at least n paragraphs)
     """ produces a EPUB file
 
     sample=n: generate sample e-book (with at least n paragraphs)

-    cover: a cover.Cover object
-    flags: less-advertising, without-fonts
+    cover: a cover.Cover factory or True for default
+    flags: less-advertising, without-fonts, working-copy

     """
 
     def transform_file(wldoc, chunk_counter=1, first=True, sample=None):
     """
 
     def transform_file(wldoc, chunk_counter=1, first=True, sample=None):


@@ -392,24 +393,32 @@ def transform(wldoc, verbose=False,
         style = get_resource('epub/style.css')
     zip.write(style, os.path.join('OPS', 'style.css'))
 
         style = get_resource('epub/style.css')
     zip.write(style, os.path.join('OPS', 'style.css'))
 

-

     if cover:
     if cover:

+        if cover is True:
+            cover = WLCover
+

         cover_file = StringIO()
         cover_file = StringIO()

-        c = cover(document.book_info.author.readable(), document.book_info.title)
-        c.save(cover_file)
-        c_name = 'cover.%s' % c.ext()
-        zip.writestr(os.path.join('OPS', c_name), cover_file.getvalue())
+        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'))
         del cover_file
 
         cover_tree = etree.parse(get_resource('epub/cover.html'))

-        cover_tree.find('//' + XHTMLNS('img')).set('src', c_name)
+        cover_tree.find('//' + XHTMLNS('img')).set('src', cover_name)

         zip.writestr('OPS/cover.html', etree.tostring(
                         cover_tree, method="html", pretty_print=True))
 
         zip.writestr('OPS/cover.html', etree.tostring(
                         cover_tree, method="html", pretty_print=True))
 

+        if bound_cover.uses_dc_cover:
+            if document.book_info.cover_by:
+                document.edoc.getroot().set('data-cover-by', document.book_info.cover_by)
+            if document.book_info.cover_source:
+                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(
         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" />' % (c_name, c.mime_type())))
+            '<item id="cover-image" href="%s" media-type="%s" />' % (cover_name, bound_cover.mime_type())))

         spine.insert(0, etree.fromstring('<itemref idref="cover" linear="no" />'))
         opf.getroot()[0].append(etree.fromstring('<meta name="cover" content="cover-image"/>'))
         guide.append(etree.fromstring('<reference href="cover.html" type="cover" title="Okładka"/>'))
         spine.insert(0, etree.fromstring('<itemref idref="cover" linear="no" />'))
         opf.getroot()[0].append(etree.fromstring('<meta name="cover" content="cover-image"/>'))
         guide.append(etree.fromstring('<reference href="cover.html" type="cover" title="Okładka"/>'))