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Code Issues Releases Wiki Activity

introduce ArchiveItem, see #1157

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Thomas Waldmann 2016-06-12 19:06:39 +02:00
parent 6e9debb027
commit 585407f4f4
1 changed files with 33 additions and 0 deletions
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33
src/borg/item.py
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@ -204,3 +204,36 @@ class Key(PropDict):
enc_hmac_key = PropDict._make_property('enc_hmac_key', bytes)
id_key = PropDict._make_property('id_key', bytes)
chunk_seed = PropDict._make_property('chunk_seed', int)
class ArchiveItem(PropDict):
"""
ArchiveItem abstraction that deals with validation and the low-level details internally:
An ArchiveItem is created either from msgpack unpacker output, from another dict, from kwargs or
built step-by-step by setting attributes.
msgpack gives us a dict with bytes-typed keys, just give it to ArchiveItem(d) and use arch.xxx later.
If a ArchiveItem shall be serialized, give as_dict() method output to msgpack packer.
"""
VALID_KEYS = {'version', 'name', 'items', 'cmdline', 'hostname', 'username', 'time', 'time_end',
'comment', 'chunker_params',
'recreate_cmdline', 'recreate_source_id', 'recreate_args'} # str-typed keys
__slots__ = ("_dict", ) # avoid setting attributes not supported by properties
version = PropDict._make_property('version', int)
name = PropDict._make_property('name', str, 'surrogate-escaped str', encode=safe_encode, decode=safe_decode)
items = PropDict._make_property('items', list)
cmdline = PropDict._make_property('cmdline', list) # list of s-e-str
hostname = PropDict._make_property('hostname', str, 'surrogate-escaped str', encode=safe_encode, decode=safe_decode)
username = PropDict._make_property('username', str, 'surrogate-escaped str', encode=safe_encode, decode=safe_decode)
time = PropDict._make_property('time', str, 'surrogate-escaped str', encode=safe_encode, decode=safe_decode)
time_end = PropDict._make_property('time_end', str, 'surrogate-escaped str', encode=safe_encode, decode=safe_decode)
comment = PropDict._make_property('comment', str, 'surrogate-escaped str', encode=safe_encode, decode=safe_decode)
chunker_params = PropDict._make_property('chunker_params', tuple)
recreate_source_id = PropDict._make_property('recreate_source_id', bytes)
recreate_cmdline = PropDict._make_property('recreate_cmdline', list) # list of s-e-str
recreate_args = PropDict._make_property('recreate_args', list) # list of s-e-str