def _images(self, manifest):
from calibre.ebooks.oeb.base import OEB_RASTER_IMAGES
images = []
used_names = []
for item in manifest:
if item.media_type in OEB_RASTER_IMAGES:
try:
data = b''
im = Image.open(io.BytesIO(item.data)).convert('L')
data = io.BytesIO()
im.save(data, 'PNG')
data = data.getvalue()
name = '%s.png' % len(used_names)
name = unique_name(name, used_names)
used_names.append(name)
self.name_map[item.href] = name
images.append((name, data))
except Exception as e:
self.log.error('Error: Could not include file %s becuase '
'%s.' % (item.href, e))
return images
def _images(self, manifest):
from calibre.ebooks.oeb.base import OEB_RASTER_IMAGES
images = []
used_names = []
for item in manifest:
if item.media_type in OEB_RASTER_IMAGES:
try:
data = ''
im = Image.open(cStringIO.StringIO(item.data)).convert('L')
data = cStringIO.StringIO()
im.save(data, 'PNG')
data = data.getvalue()
name = '%s.png' % len(used_names)
name = unique_name(name, used_names)
used_names.append(name)
self.name_map[item.href] = name
images.append((name, data))
except Exception as e:
self.log.error('Error: Could not include file %s becuase '
'%s.' % (item.href, e))
return images
def dump_text(self, elem, stylizer, page, tag_stack=[]):
from calibre.ebooks.oeb.base import XHTML_NS, barename, namespace
if not isinstance(elem.tag, basestring) or namespace(elem.tag) != XHTML_NS:
p = elem.getparent()
if p is not None and isinstance(p.tag, basestring) and namespace(p.tag) == XHTML_NS \
and elem.tail:
return [elem.tail]
return [u'']
text = [u'']
style = stylizer.style(elem)
if style['display'] in ('none', 'oeb-page-head', 'oeb-page-foot') \
or style['visibility'] == 'hidden':
if hasattr(elem, 'tail') and elem.tail:
return [elem.tail]
return [u'']
tag = barename(elem.tag)
tag_count = 0
# Process tags that need special processing and that do not have inner
# text. Usually these require an argument
if tag in IMAGE_TAGS:
if elem.attrib.get('src', None):
if page.abshref(elem.attrib['src']) not in self.name_map.keys():
self.name_map[page.abshref(elem.attrib['src'])] = unique_name('%s' % len(self.name_map.keys()), self.name_map.keys())
text.append('<IMG SRC="%s">' % self.name_map[page.abshref(elem.attrib['src'])])
rb_tag = tag.upper() if tag in TAGS else None
if rb_tag:
tag_count += 1
text.append('<%s>' % rb_tag)
tag_stack.append(rb_tag)
# Anchors links
if tag in LINK_TAGS:
href = elem.get('href')
if href:
href = page.abshref(href)
if '://' not in href:
if '#' not in href:
href += '#'
if href not in self.link_hrefs.keys():
self.link_hrefs[href] = 'calibre_link-%s' % len(self.link_hrefs.keys())
href = self.link_hrefs[href]
text.append('<A HREF="#%s">' % href)
tag_count += 1
tag_stack.append('A')
# Anchor ids
id_name = elem.get('id')
if id_name:
text.append(self.get_anchor(page, id_name))
# Processes style information
for s in STYLES:
style_tag = s[1].get(style[s[0]], None)
if style_tag:
style_tag = style_tag.upper()
tag_count += 1
text.append('<%s>' % style_tag)
tag_stack.append(style_tag)
# Proccess tags that contain text.
if hasattr(elem, 'text') and elem.text:
text.append(prepare_string_for_xml(elem.text))
for item in elem:
text += self.dump_text(item, stylizer, page, tag_stack)
close_tag_list = []
for i in range(0, tag_count):
close_tag_list.insert(0, tag_stack.pop())
text += self.close_tags(close_tag_list)
if hasattr(elem, 'tail') and elem.tail:
text.append(prepare_string_for_xml(elem.tail))
return text
