add option to select cover class in metadata + kmlu cover
[librarian.git] / librarian / epub.py
index cb2f2f4..397dc51 100644 (file)
@@ -19,7 +19,7 @@ from tempfile import mkdtemp, NamedTemporaryFile
 from shutil import rmtree
 
 from librarian import RDFNS, WLNS, NCXNS, OPFNS, XHTMLNS, DCNS, OutputFile
 from shutil import rmtree
 
 from librarian import RDFNS, WLNS, NCXNS, OPFNS, XHTMLNS, DCNS, OutputFile
-from librarian.cover import DefaultEbookCover
+from librarian.cover import make_cover
 
 from librarian import functions, get_resource
 
 
 from librarian import functions, get_resource
 
@@ -113,11 +113,13 @@ def node_name(node):
     return tempnode.text
 
 
     return tempnode.text
 
 
-def xslt(xml, sheet):
+def xslt(xml, sheet, **kwargs):
     if isinstance(xml, etree._Element):
         xml = etree.ElementTree(xml)
     with open(sheet) as xsltf:
     if isinstance(xml, etree._Element):
         xml = etree.ElementTree(xml)
     with open(sheet) as xsltf:
-        return xml.xslt(etree.parse(xsltf))
+        transform = etree.XSLT(etree.parse(xsltf))
+        params = dict((key, transform.strparam(value)) for key, value in kwargs.iteritems())
+        return transform(xml, **params)
 
 
 def replace_characters(node):
 
 
 def replace_characters(node):
@@ -199,6 +201,8 @@ class Stanza(object):
         if not text:
             return
         for i, verse_text in enumerate(re.split(r"/\s*\n", text)):
         if not text:
             return
         for i, verse_text in enumerate(re.split(r"/\s*\n", text)):
+            if not verse_text.strip():
+                continue
             if i:
                 self.open_normal_verse()
             verse = self.get_open_verse()
             if i:
                 self.open_normal_verse()
             verse = self.get_open_verse()
@@ -409,7 +413,7 @@ def transform_chunk(chunk_xml, chunk_no, annotations, empty=False, _empty_html_s
 
 
 def transform(wldoc, verbose=False, style=None, html_toc=False,
 
 
 def transform(wldoc, verbose=False, style=None, html_toc=False,
-              sample=None, cover=None, flags=None, hyphenate=False, ilustr_path=''):
+              sample=None, cover=None, flags=None, hyphenate=False, ilustr_path='', output_type='epub'):
     """ 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)
@@ -431,7 +435,7 @@ def transform(wldoc, verbose=False, style=None, html_toc=False,
         chars = set()
         if first:
             # write book title page
         chars = set()
         if first:
             # write book title page
-            html_tree = xslt(wldoc.edoc, get_resource('epub/xsltTitle.xsl'))
+            html_tree = xslt(wldoc.edoc, get_resource('epub/xsltTitle.xsl'), outputtype=output_type)
             chars = used_chars(html_tree.getroot())
             zip.writestr(
                 'OPS/title.html',
             chars = used_chars(html_tree.getroot())
             zip.writestr(
                 'OPS/title.html',
@@ -561,7 +565,7 @@ def transform(wldoc, verbose=False, style=None, html_toc=False,
 
     if cover:
         if cover is True:
 
     if cover:
         if cover is True:
-            cover = DefaultEbookCover
+            cover = make_cover
 
         cover_file = StringIO()
         bound_cover = cover(document.book_info)
 
         cover_file = StringIO()
         bound_cover = cover(document.book_info)
@@ -648,7 +652,7 @@ def transform(wldoc, verbose=False, style=None, html_toc=False,
         '<item id="last" href="last.html" media-type="application/xhtml+xml" />'))
     spine.append(etree.fromstring(
         '<itemref idref="last" />'))
         '<item id="last" href="last.html" media-type="application/xhtml+xml" />'))
     spine.append(etree.fromstring(
         '<itemref idref="last" />'))
-    html_tree = xslt(document.edoc, get_resource('epub/xsltLast.xsl'))
+    html_tree = xslt(document.edoc, get_resource('epub/xsltLast.xsl'), outputtype=output_type)
     chars.update(used_chars(html_tree.getroot()))
     zip.writestr('OPS/last.html', etree.tostring(
         html_tree, pretty_print=True, xml_declaration=True,
     chars.update(used_chars(html_tree.getroot()))
     zip.writestr('OPS/last.html', etree.tostring(
         html_tree, pretty_print=True, xml_declaration=True,
@@ -675,7 +679,8 @@ def transform(wldoc, verbose=False, style=None, html_toc=False,
                 print "Running font-optimizer"
                 subprocess.check_call(optimizer_call)
             else:
                 print "Running font-optimizer"
                 subprocess.check_call(optimizer_call)
             else:
-                subprocess.check_call(optimizer_call, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+                dev_null = open(os.devnull, 'w')
+                subprocess.check_call(optimizer_call, stdout=dev_null, stderr=dev_null)
             zip.write(os.path.join(tmpdir, fname), os.path.join('OPS', fname))
             manifest.append(etree.fromstring(
                 '<item id="%s" href="%s" media-type="application/x-font-truetype" />' % (fname, fname)))
             zip.write(os.path.join(tmpdir, fname), os.path.join('OPS', fname))
             manifest.append(etree.fromstring(
                 '<item id="%s" href="%s" media-type="application/x-font-truetype" />' % (fname, fname)))