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author | Pavel Aharoni <pa0916@att.com> | 2017-03-29 13:35:45 +0300 |
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committer | Pavel Aharoni <pa0916@att.com> | 2017-03-29 13:35:45 +0300 |
commit | e2cc2530fc6d54ebc975c01a4ff887ce12f0a736 (patch) | |
tree | 38385867295c8a09fb0d7f8eaf5fa78179e5b13a /jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/_base.py | |
parent | bccebaa9888906f8ff78172f62ec592956066d82 (diff) |
[SDC-6] sdc-distribution-client 1707 rebasing
Change-Id: I322a05fd79beb6ba4fee4d32afffecf531b86e98
Signed-off-by: Pavel Aharoni <pa0916@att.com>
Diffstat (limited to 'jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/_base.py')
-rw-r--r-- | jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/_base.py | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/_base.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/_base.py new file mode 100644 index 0000000..724486b --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/_base.py @@ -0,0 +1,37 @@ +from __future__ import absolute_import, division, unicode_literals + +from collections import Mapping + + +class Trie(Mapping): + """Abstract base class for tries""" + + def keys(self, prefix=None): + keys = super().keys() + + if prefix is None: + return set(keys) + + # Python 2.6: no set comprehensions + return set([x for x in keys if x.startswith(prefix)]) + + def has_keys_with_prefix(self, prefix): + for key in self.keys(): + if key.startswith(prefix): + return True + + return False + + def longest_prefix(self, prefix): + if prefix in self: + return prefix + + for i in range(1, len(prefix) + 1): + if prefix[:-i] in self: + return prefix[:-i] + + raise KeyError(prefix) + + def longest_prefix_item(self, prefix): + lprefix = self.longest_prefix(prefix) + return (lprefix, self[lprefix]) |