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Add a has_matches() method for convenience

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Kovid Goyal 2015-02-21 10:47:31 +05:30
parent 880391ce34
commit e7caf265c1
1 changed files with 8 additions and 0 deletions
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8
src/css_selectors/select.py
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@ -141,6 +141,7 @@ class Select(object):
else:
self.ignore_inappropriate_pseudo_classes = frozenset()
# External API {{{
def invalidate_caches(self):
'Invalidate all caches. You must call this before using this object if you have made changes to the HTML tree'
self._element_map = None
@ -165,6 +166,13 @@ class Select(object):
yield item
seen.add(item)
def has_matches(self, selector):
'Return True iff selector matches at least one item in the tree'
for elem in self(selector):
return True
return False
# }}}
def iterparsedselector(self, parsed_selector):
type_name = type(parsed_selector).__name__
try: