74 lines
1.8 KiB
Python
74 lines
1.8 KiB
Python
"""
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Storing inventory items
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"""
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import collections
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InventoryItem = collections.namedtuple(
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'InventoryItem', 'type stream payload expires tag')
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class Storage(object): # pylint: disable=too-few-public-methods
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"""Base class for storing inventory
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(extendable for other items to store)"""
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pass
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class InventoryStorage(Storage, collections.MutableMapping):
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"""Module used for inventory storage"""
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def __init__(self): # pylint: disable=super-init-not-called
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self.numberOfInventoryLookupsPerformed = 0
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def __contains__(self, _):
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raise NotImplementedError
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def __getitem__(self, _):
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raise NotImplementedError
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def __setitem__(self, _, value):
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raise NotImplementedError
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def __delitem__(self, _):
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raise NotImplementedError
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def __iter__(self):
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raise NotImplementedError
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def __len__(self):
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raise NotImplementedError
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def by_type_and_tag(self, objectType, tag):
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"""Return objects filtered by object type and tag"""
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raise NotImplementedError
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def unexpired_hashes_by_stream(self, stream):
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"""Return unexpired inventory vectors filtered by stream"""
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raise NotImplementedError
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def flush(self):
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"""Flush cache"""
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raise NotImplementedError
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def clean(self):
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"""Free memory / perform garbage collection"""
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raise NotImplementedError
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class MailboxStorage(Storage, collections.MutableMapping):
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"""Method for storing mails"""
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def __delitem__(self, key):
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raise NotImplementedError
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def __getitem__(self, key):
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raise NotImplementedError
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def __iter__(self):
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raise NotImplementedError
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def __len__(self):
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raise NotImplementedError
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def __setitem__(self, key, value):
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raise NotImplementedError
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