def convert(self, oeb_book, output_path, input_plugin, opts, log):
from polyglot.urllib import unquote
from lxml import etree
self.log, self.opts = log, opts
if not os.path.exists(output_path):
os.makedirs(output_path)
from calibre.ebooks.oeb.base import OPF_MIME, NCX_MIME, PAGE_MAP_MIME, OEB_STYLES
from calibre.ebooks.oeb.normalize_css import condense_sheet
with CurrentDir(output_path):
results = oeb_book.to_opf2(page_map=True)
for key in (OPF_MIME, NCX_MIME, PAGE_MAP_MIME):
href, root = results.pop(key, [None, None])
if root is not None:
if key == OPF_MIME:
try:
self.workaround_nook_cover_bug(root)
except:
self.log.exception(
'Something went wrong while trying to'
' workaround Nook cover bug, ignoring')
try:
self.workaround_pocketbook_cover_bug(root)
except:
self.log.exception(
'Something went wrong while trying to'
' workaround Pocketbook cover bug, ignoring')
self.migrate_lang_code(root)
self.adjust_mime_types(root)
raw = etree.tostring(root,
pretty_print=True,
encoding='utf-8',
xml_declaration=True)
if key == OPF_MIME:
# Needed as I can't get lxml to output opf:role and
# not output <opf:metadata> as well
raw = re.sub(br'(<[/]{0,1})opf:', br'\1', raw)
with lopen(href, 'wb') as f:
f.write(raw)
for item in oeb_book.manifest:
if (not self.opts.expand_css and item.media_type in OEB_STYLES
and hasattr(item.data, 'cssText')
and 'nook' not in self.opts.output_profile.short_name):
condense_sheet(item.data)
path = os.path.abspath(unquote(item.href))
dir = os.path.dirname(path)
if not os.path.exists(dir):
os.makedirs(dir)
with lopen(path, 'wb') as f:
f.write(item.bytes_representation)
item.unload_data_from_memory(memory=path)
def convert(self, oeb_book, output_path, input_plugin, opts, log):
from urllib import unquote
from lxml import etree
self.log, self.opts = log, opts
if not os.path.exists(output_path):
os.makedirs(output_path)
from calibre.ebooks.oeb.base import OPF_MIME, NCX_MIME, PAGE_MAP_MIME, OEB_STYLES
from calibre.ebooks.oeb.normalize_css import condense_sheet
with CurrentDir(output_path):
results = oeb_book.to_opf2(page_map=True)
for key in (OPF_MIME, NCX_MIME, PAGE_MAP_MIME):
href, root = results.pop(key, [None, None])
if root is not None:
if key == OPF_MIME:
try:
self.workaround_nook_cover_bug(root)
except:
self.log.exception('Something went wrong while trying to'
' workaround Nook cover bug, ignoring')
try:
self.workaround_pocketbook_cover_bug(root)
except:
self.log.exception('Something went wrong while trying to'
' workaround Pocketbook cover bug, ignoring')
self.migrate_lang_code(root)
raw = etree.tostring(root, pretty_print=True,
encoding='utf-8', xml_declaration=True)
if key == OPF_MIME:
# Needed as I can't get lxml to output opf:role and
# not output <opf:metadata> as well
raw = re.sub(r'(<[/]{0,1})opf:', r'\1', raw)
with open(href, 'wb') as f:
f.write(raw)
for item in oeb_book.manifest:
if (
not self.opts.expand_css and
item.media_type in OEB_STYLES and hasattr(item.data, 'cssText') and
'nook' not in self.opts.output_profile.short_name):
condense_sheet(item.data)
path = os.path.abspath(unquote(item.href))
dir = os.path.dirname(path)
if not os.path.exists(dir):
os.makedirs(dir)
with open(path, 'wb') as f:
f.write(str(item))
item.unload_data_from_memory(memory=path)
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')
