/usr/lib/python2.7/dist-packages/provisioningserver/rpc/arguments.py is in python-maas-provisioningserver 1.5.4+bzr2294-0ubuntu1.2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | # Copyright 2014 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""Additional AMP argument classes."""
from __future__ import (
absolute_import,
print_function,
unicode_literals,
)
str = None
__metaclass__ = type
__all__ = [
"StructureAsJSON",
]
import json
import zlib
from twisted.protocols import amp
class StructureAsJSON(amp.Argument):
"""Encode a structure on the wire as JSON, compressed with zlib.
The compressed size of the structure should not exceed
:py:data:`~twisted.protocols.amp.MAX_VALUE_LENGTH`, or ``0xffff``
bytes. This is pretty hard to be sure of ahead of time, so only use
this for small structures that won't go near the limit.
"""
def toString(self, inObject):
return zlib.compress(json.dumps(inObject))
def fromString(self, inString):
return json.loads(zlib.decompress(inString))
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