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Compactify the JSON repr of HTML a bit

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This commit is contained in:
Kovid Goyal 2016-03-27 11:32:20 +05:30
parent 98eacb55cf
commit 68371e6294
1 changed files with 14 additions and 7 deletions
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21
src/calibre/srv/render_book.py
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@ -177,26 +177,33 @@ def split_name(name):
return l[1:], r
return None, l
boolean_attributes = frozenset('allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,default,defaultchecked,defaultmuted,defaultselected,defer,disabled,enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,required,reversed,scoped,seamless,selected,sortable,truespeed,typemustmatch,visible'.split(',')) # noqa
def serialize_elem(elem, nsmap):
ns, name = split_name(elem.tag)
attribs = []
ans = {'n':name}
if elem.text:
ans['te'] = elem.text
ans['x'] = elem.text
if elem.tail:
ans['ta'] = elem.tail
ans['l'] = elem.tail
if ns:
ns = nsmap[ns]
if ns:
ans['ns'] = ns
ans['s'] = ns
attribs = []
for attr, val in elem.items():
attr_ns, aname = split_name(attr)
s = {'n':aname, 'v':val}
al = attr.lower()
if not attr_ns and al in boolean_attributes:
if val and val.lower() in (al, ''):
attribs.append([al, al])
continue
attrib = [attr, val]
if attr_ns:
attr_ns = nsmap[attr_ns]
if attr_ns:
s['ns'] = attr_ns
attribs.append(s)
attrib.append(attr_ns)
attribs.append(attrib)
if attribs:
ans['a'] = attribs
return ans