def extract_svg_into_flows(self):
images = {}
for item in self.oeb.manifest:
if item.media_type == SVG_MIME:
data = self.data(item)
images[item.href] = len(self.flows)
self.flows.append(
etree.tostring(data,
encoding='UTF-8',
with_tail=True,
xml_declaration=True))
for item in self.oeb.spine:
root = self.data(item)
for svg in XPath('//svg:svg')(root):
raw = etree.tostring(svg, encoding=unicode, with_tail=False)
idx = len(self.flows)
self.flows.append(raw)
p = svg.getparent()
pos = p.index(svg)
img = etree.Element(XHTML('img'),
src="kindle:flow:%s?mime=image/svg+xml" %
to_ref(idx))
p.insert(pos, img)
extract(svg)
for img in XPath('//h:img[@src]')(root):
src = img.get('src')
abshref = item.abshref(src)
idx = images.get(abshref, None)
if idx is not None:
img.set('src',
'kindle:flow:%s?mime=image/svg+xml' % to_ref(idx))
def extract_svg_into_flows(self):
images = {}
for item in self.oeb.manifest:
if item.media_type == SVG_MIME:
data = self.data(item)
images[item.href] = len(self.flows)
self.flows.append(etree.tostring(data, encoding='UTF-8',
with_tail=True, xml_declaration=True))
for item in self.oeb.spine:
root = self.data(item)
for svg in XPath('//svg:svg')(root):
raw = etree.tostring(svg, encoding=unicode, with_tail=False)
idx = len(self.flows)
self.flows.append(raw)
p = svg.getparent()
pos = p.index(svg)
img = etree.Element(XHTML('img'),
src="kindle:flow:%s?mime=image/svg+xml"%to_ref(idx))
p.insert(pos, img)
extract(svg)
for img in XPath('//h:img[@src]')(root):
src = img.get('src')
abshref = item.abshref(src)
idx = images.get(abshref, None)
if idx is not None:
img.set('src', 'kindle:flow:%s?mime=image/svg+xml'%
to_ref(idx))
def remove_namespaces(self, root):
lang = None
for attr, val in root.attrib.iteritems():
if attr.rpartition('}')[-1] == 'lang':
lang = val
# Remove all namespace information from the tree. This means namespaced
# tags have their namespaces removed and all namespace declarations are
# removed. We have to do this manual cloning of the tree as there is no
# other way to remove namespace declarations in lxml. This is done so
# that serialization creates clean HTML 5 markup with no namespaces. We
# insert the XHTML namespace manually after serialization. The
# preceding layers should have removed svg and any other non html
# namespaced tags.
attrib = {'lang': lang} if lang else {}
if 'class' in root.attrib:
attrib['class'] = root.attrib['class']
if 'style' in root.attrib:
attrib['style'] = root.attrib['style']
nroot = etree.Element('html', attrib=attrib)
nroot.text = root.text
nroot.tail = '\n'
# Remove Comments and ProcessingInstructions as kindlegen seems to
# remove them as well
for tag in root.iterdescendants():
if tag.tag in {etree.Comment, etree.ProcessingInstruction}:
extract(tag)
for tag in root.iterdescendants():
if tag.tag == etree.Entity:
elem = etree.Entity(tag.name)
else:
tn = tag.tag
if tn is not None:
tn = tn.rpartition('}')[-1]
attrib = {
k.rpartition('}')[-1]: v
for k, v in tag.attrib.iteritems()
}
try:
elem = nroot.makeelement(tn, attrib=attrib)
except ValueError:
attrib = {
k: v
for k, v in attrib.iteritems() if ':' not in k
}
elem = nroot.makeelement(tn, attrib=attrib)
elem.text = tag.text
elem.tail = tag.tail
parent = node_from_path(nroot, path_to_node(tag.getparent()))
parent.append(elem)
return nroot
def remove_namespaces(self, root):
lang = None
for attr, val in iteritems(root.attrib):
if attr.rpartition('}')[-1] == 'lang':
lang = val
# Remove all namespace information from the tree. This means namespaced
# tags have their namespaces removed and all namespace declarations are
# removed. We have to do this manual cloning of the tree as there is no
# other way to remove namespace declarations in lxml. This is done so
# that serialization creates clean HTML 5 markup with no namespaces. We
# insert the XHTML namespace manually after serialization. The
# preceding layers should have removed svg and any other non html
# namespaced tags.
attrib = {'lang':lang} if lang else {}
if 'class' in root.attrib:
attrib['class'] = root.attrib['class']
if 'style' in root.attrib:
attrib['style'] = root.attrib['style']
nroot = etree.Element('html', attrib=attrib)
nroot.text = root.text
nroot.tail = '\n'
# Remove Comments and ProcessingInstructions as kindlegen seems to
# remove them as well
for tag in root.iterdescendants():
if tag.tag in {etree.Comment, etree.ProcessingInstruction}:
extract(tag)
for tag in root.iterdescendants():
if tag.tag == etree.Entity:
elem = etree.Entity(tag.name)
else:
tn = tag.tag
if tn is not None:
tn = tn.rpartition('}')[-1]
attrib = {k.rpartition('}')[-1]:v for k, v in iteritems(tag.attrib)}
try:
elem = nroot.makeelement(tn, attrib=attrib)
except ValueError:
attrib = {k:v for k, v in iteritems(attrib) if ':' not in k}
elem = nroot.makeelement(tn, attrib=attrib)
elem.text = tag.text
elem.tail = tag.tail
parent = node_from_path(nroot, path_to_node(tag.getparent()))
parent.append(elem)
return nroot
def extract_css_into_flows(self):
inlines = defaultdict(list) # Ensure identical <style>s not repeated
sheets = {}
for item in self.oeb.manifest:
if item.media_type in OEB_STYLES:
if not self.opts.expand_css and hasattr(item.data, 'cssText'):
condense_sheet(self.data(item))
data = self.data(item).cssText
sheets[item.href] = len(self.flows)
self.flows.append(force_unicode(data, 'utf-8'))
for item in self.oeb.spine:
root = self.data(item)
for link in XPath('//h:link[@href]')(root):
href = item.abshref(link.get('href'))
idx = sheets.get(href, None)
if idx is not None:
idx = to_ref(idx)
link.set('href', 'kindle:flow:%s?mime=text/css' % idx)
for tag in XPath('//h:style')(root):
p = tag.getparent()
idx = p.index(tag)
raw = tag.text
if not raw or not raw.strip():
extract(tag)
continue
repl = etree.Element(XHTML('link'),
type='text/css',
rel='stylesheet')
repl.tail = '\n'
p.insert(idx, repl)
extract(tag)
inlines[raw].append(repl)
for raw, elems in inlines.iteritems():
idx = to_ref(len(self.flows))
self.flows.append(raw)
for link in elems:
link.set('href', 'kindle:flow:%s?mime=text/css' % idx)
def extract_css_into_flows(self):
inlines = defaultdict(list) # Ensure identical <style>s not repeated
sheets = {}
for item in self.oeb.manifest:
if item.media_type in OEB_STYLES:
if not self.opts.expand_css and hasattr(item.data, 'cssText'):
condense_sheet(self.data(item))
data = self.data(item).cssText
sheets[item.href] = len(self.flows)
self.flows.append(force_unicode(data, 'utf-8'))
for item in self.oeb.spine:
root = self.data(item)
for link in XPath('//h:link[@href]')(root):
href = item.abshref(link.get('href'))
idx = sheets.get(href, None)
if idx is not None:
idx = to_ref(idx)
link.set('href', 'kindle:flow:%s?mime=text/css'%idx)
for tag in XPath('//h:style')(root):
p = tag.getparent()
idx = p.index(tag)
raw = tag.text
if not raw or not raw.strip():
extract(tag)
continue
repl = etree.Element(XHTML('link'), type='text/css',
rel='stylesheet')
repl.tail='\n'
p.insert(idx, repl)
extract(tag)
inlines[raw].append(repl)
for raw, elems in inlines.iteritems():
idx = to_ref(len(self.flows))
self.flows.append(raw)
for link in elems:
link.set('href', 'kindle:flow:%s?mime=text/css'%idx)
def extract_css_into_flows(self):
inlines = defaultdict(list) # Ensure identical <style>s not repeated
sheets = {}
passthrough = getattr(self.opts, 'mobi_passthrough', False)
for item in self.oeb.manifest:
if item.media_type in OEB_STYLES:
sheet = self.data(item)
if not passthrough and not self.opts.expand_css and hasattr(
item.data, 'cssText'):
condense_sheet(sheet)
sheets[item.href] = len(self.flows)
self.flows.append(sheet)
def fix_import_rules(sheet):
changed = False
for rule in sheet.cssRules.rulesOfType(CSSRule.IMPORT_RULE):
if rule.href:
href = item.abshref(rule.href)
idx = sheets.get(href, None)
if idx is not None:
idx = to_ref(idx)
rule.href = 'kindle:flow:%s?mime=text/css' % idx
changed = True
return changed
for item in self.oeb.spine:
root = self.data(item)
for link in XPath('//h:link[@href]')(root):
href = item.abshref(link.get('href'))
idx = sheets.get(href, None)
if idx is not None:
idx = to_ref(idx)
link.set('href', 'kindle:flow:%s?mime=text/css' % idx)
for tag in XPath('//h:style')(root):
p = tag.getparent()
idx = p.index(tag)
raw = tag.text
if not raw or not raw.strip():
extract(tag)
continue
sheet = cssutils.parseString(raw, validate=False)
if fix_import_rules(sheet):
raw = force_unicode(sheet.cssText, 'utf-8')
repl = etree.Element(XHTML('link'),
type='text/css',
rel='stylesheet')
repl.tail = '\n'
p.insert(idx, repl)
extract(tag)
inlines[raw].append(repl)
for raw, elems in inlines.iteritems():
idx = to_ref(len(self.flows))
self.flows.append(raw)
for link in elems:
link.set('href', 'kindle:flow:%s?mime=text/css' % idx)
for item in self.oeb.manifest:
if item.media_type in OEB_STYLES:
sheet = self.data(item)
if hasattr(sheet, 'cssRules'):
fix_import_rules(sheet)
for i, sheet in enumerate(tuple(self.flows)):
if hasattr(sheet, 'cssText'):
self.flows[i] = force_unicode(sheet.cssText, 'utf-8')
def extract_css_into_flows(self):
inlines = defaultdict(list) # Ensure identical <style>s not repeated
sheets = {}
for item in self.oeb.manifest:
if item.media_type in OEB_STYLES:
sheet = self.data(item)
if not self.opts.expand_css and hasattr(item.data, 'cssText'):
condense_sheet(sheet)
sheets[item.href] = len(self.flows)
self.flows.append(sheet)
def fix_import_rules(sheet):
changed = False
for rule in sheet.cssRules.rulesOfType(CSSRule.IMPORT_RULE):
if rule.href:
href = item.abshref(rule.href)
idx = sheets.get(href, None)
if idx is not None:
idx = to_ref(idx)
rule.href = 'kindle:flow:%s?mime=text/css'%idx
changed = True
return changed
for item in self.oeb.spine:
root = self.data(item)
for link in XPath('//h:link[@href]')(root):
href = item.abshref(link.get('href'))
idx = sheets.get(href, None)
if idx is not None:
idx = to_ref(idx)
link.set('href', 'kindle:flow:%s?mime=text/css'%idx)
for tag in XPath('//h:style')(root):
p = tag.getparent()
idx = p.index(tag)
raw = tag.text
if not raw or not raw.strip():
extract(tag)
continue
sheet = cssutils.parseString(raw, validate=False)
if fix_import_rules(sheet):
raw = force_unicode(sheet.cssText, 'utf-8')
repl = etree.Element(XHTML('link'), type='text/css',
rel='stylesheet')
repl.tail='\n'
p.insert(idx, repl)
extract(tag)
inlines[raw].append(repl)
for raw, elems in inlines.iteritems():
idx = to_ref(len(self.flows))
self.flows.append(raw)
for link in elems:
link.set('href', 'kindle:flow:%s?mime=text/css'%idx)
for item in self.oeb.manifest:
if item.media_type in OEB_STYLES:
sheet = self.data(item)
if hasattr(sheet, 'cssRules'):
fix_import_rules(sheet)
for i, sheet in enumerate(tuple(self.flows)):
if hasattr(sheet, 'cssText'):
self.flows[i] = force_unicode(sheet.cssText, 'utf-8')
