65 lines
1.5 KiB
Python
65 lines
1.5 KiB
Python
# standard imports
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import logging
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import re
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logg = logging.getLogger(__name__)
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def to_key(k, v):
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return '{:>010s}_{}'.format(k, v)
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def from_key(k):
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(seq_str, tx_hash) = k.split('_')
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return (int(seq_str), tx_hash,)
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re_u = r'^[^_][_A-Z]+$'
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class Store:
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def __init__(self, state_store, index_store):
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self.state_store = state_store
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self.index_store = index_store
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for s in dir(self.state_store):
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if not re.match(re_u, s):
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continue
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v = self.state_store.from_name(s)
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setattr(self, s, v)
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for v in ['state', 'change', 'set', 'unset']:
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setattr(self, v, getattr(self.state_store, v))
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def put(self, k, n, v):
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self.index_store.put(k, n)
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k = to_key(n, k)
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self.state_store.put(k, v)
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def get(self, k):
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n = self.index_store.get(k)
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k = to_key(n, k)
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return (k, self.state_store.get(k))
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def list(self, state=0, limit=4096, strict=False):
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hashes = []
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i = 0
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hashes_state = self.state_store.list(state)
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if strict:
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for k in hashes_state:
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item_state = self.state_store.state(k)
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if item_state & state != item_state:
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continue
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hashes.append(k)
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else:
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hashes = hashes_state
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hashes.sort()
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hashes_out = []
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for h in hashes:
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pair = from_key(h)
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hashes_out.append(pair[1])
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return hashes_out
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