def find_first_matching_rule(container,
html_file_name,
raw_html,
class_data,
lnum_attr='data-lnum'):
lnum, tags = class_data['sourceline_address']
class_name = class_data['class']
root = parse(raw_html,
decoder=lambda x: x.decode('utf-8'),
line_numbers=True,
linenumber_attribute=lnum_attr)
tags_on_line = root.xpath(f'//*[@{lnum_attr}={lnum}]')
barenames = [barename(tag.tag) for tag in tags_on_line]
if barenames[:len(tags)] != tags:
raise NoMatchingTagFound(
f'No tag matching the specification was found in {html_file_name}')
target_elem = tags_on_line[len(tags) - 1]
select = Select(root, ignore_inappropriate_pseudo_classes=True)
for tag in root.iter('*'):
tn = barename(tag.tag)
if tn == 'style' and tag.text and tag.get('type',
'text/css') == 'text/css':
try:
sheet = container.parse_css(tag.text)
except Exception:
continue
res = find_first_rule_that_matches_elem(container, target_elem,
select, class_name,
sheet.cssRules,
html_file_name)
if res is not None:
return res._replace(style_tag_address=(int(tag.get(lnum_attr)),
['style']))
elif tn == 'link' and tag.get('href') and tag.get(
'rel') == 'stylesheet':
sname = container.href_to_name(tag.get('href'), html_file_name)
try:
sheet = container.parsed(sname)
except Exception:
continue
if not hasattr(sheet, 'cssRules'):
continue
res = find_first_rule_that_matches_elem(container, target_elem,
select, class_name,
sheet.cssRules, sname)
if res is not None:
return res
raise NoMatchingRuleFound(
f'No CSS rules that apply to the specified tag in {html_file_name} with the class {class_name} found'
)
def in_table(elem):
p = elem.getparent()
if p is None:
return False
if barename(p.tag).lower() == 'table':
return True
return in_table(p)
def in_table(elem):
p = elem.getparent()
if p is None:
return False
if barename(p.tag).lower() == 'table':
return True
return in_table(p)
def insert_aid_attributes(self):
self.id_map = {}
for i, item in enumerate(self.oeb.spine):
root = self.data(item)
aidbase = i * int(1e6)
j = 0
for tag in root.iterdescendants(etree.Element):
id_ = tag.attrib.get('id', None)
if id_ is not None or barename(tag.tag).lower() in aid_able_tags:
aid = aidbase + j
tag.attrib['aid'] = to_base(aid, base=32)
if tag.tag == XHTML('body'):
self.id_map[(item.href, '')] = tag.attrib['aid']
if id_ is not None:
self.id_map[(item.href, id_)] = tag.attrib['aid']
j += 1
def insert_aid_attributes(self):
self.id_map = {}
for i, item in enumerate(self.oeb.spine):
root = self.data(item)
aidbase = i * int(1e6)
j = 0
for tag in root.iterdescendants(etree.Element):
id_ = tag.attrib.get('id', None)
if id_ is not None or barename(
tag.tag).lower() in aid_able_tags:
aid = aidbase + j
tag.attrib['aid'] = to_base(aid, base=32)
if tag.tag == XHTML('body'):
self.id_map[(item.href, '')] = tag.attrib['aid']
if id_ is not None:
self.id_map[(item.href, id_)] = tag.attrib['aid']
j += 1
def insert_aid_attributes(self):
self.id_map = {}
cid = 0
for i, item in enumerate(self.oeb.spine):
root = self.data(item)
aidbase = i * int(1e6)
j = 0
def in_table(elem):
p = elem.getparent()
if p is None:
return False
if barename(p.tag).lower() == 'table':
return True
return in_table(p)
for tag in root.iterdescendants(etree.Element):
id_ = tag.attrib.get('id', None)
if id_ is None and tag.tag == XHTML('a'):
# Can happen during tweaking
id_ = tag.attrib.get('name', None)
if id_ is not None:
tag.attrib['id'] = id_
tagname = barename(tag.tag).lower()
if id_ is not None or tagname in aid_able_tags:
if tagname == 'table' or in_table(tag):
# The Kindle renderer barfs on large tables that have
# aid on any of their tags. See
# https://bugs.launchpad.net/bugs/1489495
if id_:
cid += 1
val = 'c%d' % cid
self.id_map[(item.href, id_)] = val
tag.set('cid', val)
else:
aid = to_base(aidbase + j, base=32)
tag.set('aid', aid)
if tag.tag == XHTML('body'):
self.id_map[(item.href, '')] = aid
if id_ is not None:
self.id_map[(item.href, id_)] = aid
j += 1
def insert_aid_attributes(self):
self.id_map = {}
cid = 0
for i, item in enumerate(self.oeb.spine):
root = self.data(item)
aidbase = i * int(1e6)
j = 0
def in_table(elem):
p = elem.getparent()
if p is None:
return False
if barename(p.tag).lower() == 'table':
return True
return in_table(p)
for tag in root.iterdescendants(etree.Element):
id_ = tag.attrib.get('id', None)
if id_ is None and tag.tag == XHTML('a'):
# Can happen during tweaking
id_ = tag.attrib.get('name', None)
if id_ is not None:
tag.attrib['id'] = id_
tagname = barename(tag.tag).lower()
if id_ is not None or tagname in aid_able_tags:
if tagname == 'table' or in_table(tag):
# The Kindle renderer barfs on large tables that have
# aid on any of their tags. See
# https://bugs.launchpad.net/bugs/1489495
if id_:
cid += 1
val = 'c%d' % cid
self.id_map[(item.href, id_)] = val
tag.set('cid', val)
else:
aid = to_base(aidbase + j, base=32)
tag.set('aid', aid)
if tag.tag == XHTML('body'):
self.id_map[(item.href, '')] = aid
if id_ is not None:
self.id_map[(item.href, id_)] = aid
j += 1
def insert_aid_attributes(self):
self.id_map = {}
for i, item in enumerate(self.oeb.spine):
root = self.data(item)
aidbase = i * int(1e6)
j = 0
for tag in root.iterdescendants(etree.Element):
id_ = tag.attrib.get('id', None)
if id_ is None and tag.tag == XHTML('a'):
# Can happen during tweaking
id_ = tag.attrib.get('name', None)
if id_ is not None:
tag.attrib['id'] = id_
if id_ is not None or barename(tag.tag).lower() in aid_able_tags:
aid = to_base(aidbase + j, base=32)
tag.set('aid', aid)
if tag.tag == XHTML('body'):
self.id_map[(item.href, '')] = aid
if id_ is not None:
self.id_map[(item.href, id_)] = aid
j += 1
def insert_aid_attributes(self):
self.id_map = {}
for i, item in enumerate(self.oeb.spine):
root = self.data(item)
aidbase = i * int(1e6)
j = 0
for tag in root.iterdescendants(etree.Element):
id_ = tag.attrib.get('id', None)
if id_ is None and tag.tag == XHTML('a'):
# Can happen during tweaking
id_ = tag.attrib.get('name', None)
if id_ is not None:
tag.attrib['id'] = id_
if id_ is not None or barename(tag.tag).lower() in aid_able_tags:
aid = to_base(aidbase + j, base=32)
tag.set('aid', aid)
if tag.tag == XHTML('body'):
self.id_map[(item.href, '')] = aid
if id_ is not None:
self.id_map[(item.href, id_)] = aid
j += 1