def test_to_ast():
css1 = ("margin-bottom:3em; "
"margin-top:2em; "
"border: solid black 1px")
css2 = ("border:solid black 1px;"
"margin-bottom: 3em; "
"margin-top:2em")
res1 = to_ast(css1)
res2 = to_ast(css2)
assert res1 == res2
def handle_starttag(self, tag, attributes):
"""
Appends start tags to the output.
If a style tag is present, its contents are added to the current
stylesheet, and it is replaced by a class tag pointing to the same
style information.
"""
pred = lambda x: x[0] == 'style'
styles, attrs = partition(attributes, pred)
attrs = ['%s="%s"' % (a, v) for (a, v) in attrs]
if styles:
_, value = styles[0] # list has one 2-tuple
s = to_ast(value)
# create a new entry
if s not in self.sty:
self.sty[s] = self.next
self.next += 1
attribute = 'class="{prefix}{num}"'.format(prefix=self.prefix,
num=self.sty[s])
attrs.append(attribute)
res = '<{tag}{attrs_str}>'.format(tag=tag, attrs_str=(' ' + ' '.join(
attrs) if attrs else ' '))
self.out.append(res)
