root / ncclient / operations / lock.py @ ce5fb329
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1 | 179b00d4 | Shikhar Bhushan | # Copyright 2h009 Shikhar Bhushan
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2 | 3043ae4a | Shikhar Bhushan | #
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3 | 3043ae4a | Shikhar Bhushan | # Licensed under the Apache License, Version 2.0 (the "License");
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4 | 3043ae4a | Shikhar Bhushan | # you may not use this file except in compliance with the License.
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5 | 3043ae4a | Shikhar Bhushan | # You may obtain a copy of the License at
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6 | 3043ae4a | Shikhar Bhushan | #
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7 | 3043ae4a | Shikhar Bhushan | # http://www.apache.org/licenses/LICENSE-2.0
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8 | 3043ae4a | Shikhar Bhushan | #
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9 | 3043ae4a | Shikhar Bhushan | # Unless required by applicable law or agreed to in writing, software
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10 | 3043ae4a | Shikhar Bhushan | # distributed under the License is distributed on an "AS IS" BASIS,
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11 | 3043ae4a | Shikhar Bhushan | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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12 | 3043ae4a | Shikhar Bhushan | # See the License for the specific language governing permissions and
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13 | 3043ae4a | Shikhar Bhushan | # limitations under the License.
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14 | 3043ae4a | Shikhar Bhushan | |
15 | 3043ae4a | Shikhar Bhushan | 'Locking-related NETCONF operations'
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16 | 3043ae4a | Shikhar Bhushan | |
17 | ce5fb329 | Shikhar Bhushan | from copy import deepcopy |
18 | ce5fb329 | Shikhar Bhushan | |
19 | ebf2bbc6 | Shikhar Bhushan | from rpc import RPC |
20 | 94803aaf | Shikhar Bhushan | |
21 | a6c00291 | Shikhar Bhushan | class Lock(RPC): |
22 | a7cb58ce | Shikhar Bhushan | |
23 | 0b7d3b31 | Shikhar Bhushan | # TESTED
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24 | 0b7d3b31 | Shikhar Bhushan | |
25 | 216bb34c | Shikhar Bhushan | "*<lock>* RPC"
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26 | 216bb34c | Shikhar Bhushan | |
27 | 1fca349b | Shikhar Bhushan | SPEC = { |
28 | 1fca349b | Shikhar Bhushan | 'tag': 'lock', |
29 | 179b00d4 | Shikhar Bhushan | 'subtree': {
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30 | 1fca349b | Shikhar Bhushan | 'tag': 'target', |
31 | 179b00d4 | Shikhar Bhushan | 'subtree': {'tag': None } |
32 | 1fca349b | Shikhar Bhushan | } |
33 | 1fca349b | Shikhar Bhushan | } |
34 | a7cb58ce | Shikhar Bhushan | |
35 | 216bb34c | Shikhar Bhushan | def request(self, target): |
36 | 216bb34c | Shikhar Bhushan | """
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37 | 216bb34c | Shikhar Bhushan | :arg target: see :ref:`source_target`
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38 | 216bb34c | Shikhar Bhushan | :type target: string
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39 | 216bb34c | Shikhar Bhushan |
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40 | 216bb34c | Shikhar Bhushan | :rtype: :ref:`return`
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41 | 216bb34c | Shikhar Bhushan | """
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42 | ce5fb329 | Shikhar Bhushan | spec = deepcopy(Lock.SPEC) |
43 | 179b00d4 | Shikhar Bhushan | spec['subtree']['subtree']['tag'] = target |
44 | 216bb34c | Shikhar Bhushan | return self._request(spec) |
45 | 6c1f8a66 | Shikhar Bhushan | |
46 | 6625258b | Shikhar Bhushan | |
47 | a6c00291 | Shikhar Bhushan | class Unlock(RPC): |
48 | a7cb58ce | Shikhar Bhushan | |
49 | 0b7d3b31 | Shikhar Bhushan | # TESTED
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50 | 0b7d3b31 | Shikhar Bhushan | |
51 | 216bb34c | Shikhar Bhushan | "*<unlock>* RPC"
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52 | 216bb34c | Shikhar Bhushan | |
53 | 1fca349b | Shikhar Bhushan | SPEC = { |
54 | 1fca349b | Shikhar Bhushan | 'tag': 'unlock', |
55 | 179b00d4 | Shikhar Bhushan | 'subtree': {
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56 | 1fca349b | Shikhar Bhushan | 'tag': 'target', |
57 | 179b00d4 | Shikhar Bhushan | 'subtree': {'tag': None } |
58 | 1fca349b | Shikhar Bhushan | } |
59 | 1fca349b | Shikhar Bhushan | } |
60 | a7cb58ce | Shikhar Bhushan | |
61 | 216bb34c | Shikhar Bhushan | def request(self, target): |
62 | 216bb34c | Shikhar Bhushan | """
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63 | 216bb34c | Shikhar Bhushan | :arg target: see :ref:`source_target`
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64 | 216bb34c | Shikhar Bhushan | :type target: string
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65 | 216bb34c | Shikhar Bhushan |
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66 | 216bb34c | Shikhar Bhushan | :rtype: :ref:`return`
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67 | 216bb34c | Shikhar Bhushan | """
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68 | ce5fb329 | Shikhar Bhushan | spec = deepcopy(Unlock.SPEC) |
69 | 179b00d4 | Shikhar Bhushan | spec['subtree']['subtree']['tag'] = target |
70 | 216bb34c | Shikhar Bhushan | return self._request(spec) |
71 | d6688264 | Shikhar Bhushan | |
72 | d6688264 | Shikhar Bhushan | |
73 | d6688264 | Shikhar Bhushan | class LockContext: |
74 | a7cb58ce | Shikhar Bhushan | |
75 | 0b7d3b31 | Shikhar Bhushan | # TESTED
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76 | 0b7d3b31 | Shikhar Bhushan | |
77 | 216bb34c | Shikhar Bhushan | """
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78 | 216bb34c | Shikhar Bhushan | A context manager for the :class:`Lock` / :class:`Unlock` pair of RPC's.
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79 | 216bb34c | Shikhar Bhushan |
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80 | 216bb34c | Shikhar Bhushan | Initialise with session instance (:class:`Session
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81 | 216bb34c | Shikhar Bhushan | <ncclient.transport.Session>`) and lock target (:ref:`source_target`)
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82 | 216bb34c | Shikhar Bhushan | """
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83 | 216bb34c | Shikhar Bhushan | |
84 | 179b00d4 | Shikhar Bhushan | def __init__(self, session, target): |
85 | d6688264 | Shikhar Bhushan | self.session = session
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86 | d6688264 | Shikhar Bhushan | self.target = target
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87 | a7cb58ce | Shikhar Bhushan | |
88 | d6688264 | Shikhar Bhushan | def __enter__(self): |
89 | 179b00d4 | Shikhar Bhushan | reply = Lock(self.session).request(self.target) |
90 | 179b00d4 | Shikhar Bhushan | if not reply.ok: |
91 | 179b00d4 | Shikhar Bhushan | raise reply.error
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92 | 179b00d4 | Shikhar Bhushan | else:
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93 | 179b00d4 | Shikhar Bhushan | return self |
94 | a7cb58ce | Shikhar Bhushan | |
95 | 179b00d4 | Shikhar Bhushan | def __exit__(self, *args): |
96 | 0b7d3b31 | Shikhar Bhushan | reply = Unlock(self.session).request(self.target) |
97 | 179b00d4 | Shikhar Bhushan | if not reply.ok: |
98 | 179b00d4 | Shikhar Bhushan | raise reply.error
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99 | d6688264 | Shikhar Bhushan | return False |