Mercurial > repos > shellac > sam_consensus_v3
diff env/lib/python3.9/site-packages/bleach/_vendor/html5lib/_trie/py.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/env/lib/python3.9/site-packages/bleach/_vendor/html5lib/_trie/py.py Mon Mar 22 18:12:50 2021 +0000 @@ -0,0 +1,67 @@ +from __future__ import absolute_import, division, unicode_literals +from six import text_type + +from bisect import bisect_left + +from ._base import Trie as ABCTrie + + +class Trie(ABCTrie): + def __init__(self, data): + if not all(isinstance(x, text_type) for x in data.keys()): + raise TypeError("All keys must be strings") + + self._data = data + self._keys = sorted(data.keys()) + self._cachestr = "" + self._cachepoints = (0, len(data)) + + def __contains__(self, key): + return key in self._data + + def __len__(self): + return len(self._data) + + def __iter__(self): + return iter(self._data) + + def __getitem__(self, key): + return self._data[key] + + def keys(self, prefix=None): + if prefix is None or prefix == "" or not self._keys: + return set(self._keys) + + if prefix.startswith(self._cachestr): + lo, hi = self._cachepoints + start = i = bisect_left(self._keys, prefix, lo, hi) + else: + start = i = bisect_left(self._keys, prefix) + + keys = set() + if start == len(self._keys): + return keys + + while self._keys[i].startswith(prefix): + keys.add(self._keys[i]) + i += 1 + + self._cachestr = prefix + self._cachepoints = (start, i) + + return keys + + def has_keys_with_prefix(self, prefix): + if prefix in self._data: + return True + + if prefix.startswith(self._cachestr): + lo, hi = self._cachepoints + i = bisect_left(self._keys, prefix, lo, hi) + else: + i = bisect_left(self._keys, prefix) + + if i == len(self._keys): + return False + + return self._keys[i].startswith(prefix)