def _items(mappingorseq):
"""Wrapper for efficient iteration over mappings represented by dicts
or sequences::
>>> for k, v in _items((i, i*i) for i in xrange(5)):
... assert k*k == v
>>> for k, v in _items(dict((i, i*i) for i in xrange(5))):
... assert k*k == v
"""
if hasattr(mappingorseq, 'items'):
return iteritems(mappingorseq)
return mappingorseq
def get_dict(self, *keys):
key_mapping = {}
have_encoded_keys = False
for key in keys:
encoded_key = self._normalize_key(key)
if not isinstance(key, str):
have_encoded_keys = True
if _test_memcached_key(key):
key_mapping[encoded_key] = key
_keys = list(key_mapping)
d = rv = self._client.get_multi(_keys)
if have_encoded_keys or self.key_prefix:
rv = {}
for key, value in iteritems(d):
rv[key_mapping[key]] = value
if len(rv) < len(keys):
for key in keys:
if key not in rv:
rv[key] = None
return rv