root / ncclient / capabilities.py @ 68ac4439
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1 | d095a59e | Shikhar Bhushan | # Copyright 2009 Shikhar Bhushan
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2 | d095a59e | Shikhar Bhushan | #
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3 | d095a59e | Shikhar Bhushan | # Licensed under the Apache License, Version 2.0 (the "License");
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4 | d095a59e | Shikhar Bhushan | # you may not use this file except in compliance with the License.
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5 | d095a59e | Shikhar Bhushan | # You may obtain a copy of the License at
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6 | d095a59e | Shikhar Bhushan | #
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7 | d095a59e | Shikhar Bhushan | # http://www.apache.org/licenses/LICENSE-2.0
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8 | d095a59e | Shikhar Bhushan | #
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9 | d095a59e | Shikhar Bhushan | # Unless required by applicable law or agreed to in writing, software
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10 | d095a59e | Shikhar Bhushan | # distributed under the License is distributed on an "AS IS" BASIS,
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11 | d095a59e | Shikhar Bhushan | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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12 | d095a59e | Shikhar Bhushan | # See the License for the specific language governing permissions and
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13 | d095a59e | Shikhar Bhushan | # limitations under the License.
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14 | d095a59e | Shikhar Bhushan | |
15 | 9667bcb2 | Shikhar Bhushan | #_capability_map = {
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16 | 9667bcb2 | Shikhar Bhushan | # "urn:liberouter:params:netconf:capability:power-control:1.0":
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17 | 9667bcb2 | Shikhar Bhushan | # [":power-control", ":power-control:1.0"]
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18 | 9667bcb2 | Shikhar Bhushan | #}
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19 | dd225c7a | Shikhar Bhushan | |
20 | 216bb34c | Shikhar Bhushan | def _abbreviate(uri): |
21 | 9667bcb2 | Shikhar Bhushan | if uri.startswith("urn:ietf:params:netconf:"): |
22 | 9667bcb2 | Shikhar Bhushan | splitted = uri.split(":")
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23 | 9667bcb2 | Shikhar Bhushan | if ":capability:" in uri: |
24 | 9667bcb2 | Shikhar Bhushan | return [ ":" + splitted[5], ":" + splitted[5] + ":" + splitted[6] ] |
25 | 9667bcb2 | Shikhar Bhushan | elif ":base:" in uri: |
26 | 9667bcb2 | Shikhar Bhushan | return [ ":base", ":base" + ":" + splitted[5] ] |
27 | 9667bcb2 | Shikhar Bhushan | #elif uri in _capability_map:
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28 | 9667bcb2 | Shikhar Bhushan | # return _capability_map[uri]
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29 | dd225c7a | Shikhar Bhushan | return []
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30 | 216bb34c | Shikhar Bhushan | |
31 | 216bb34c | Shikhar Bhushan | def schemes(url_uri): |
32 | 216bb34c | Shikhar Bhushan | """Given a URI that has a *scheme* query string (i.e. *:url* capability
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33 | 216bb34c | Shikhar Bhushan | URI), will return a list of supported schemes.
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34 | 216bb34c | Shikhar Bhushan | """
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35 | 9667bcb2 | Shikhar Bhushan | return url_uri.partition("?scheme=")[2].split(",") |
36 | 78f6c132 | Shikhar Bhushan | |
37 | d095a59e | Shikhar Bhushan | class Capabilities: |
38 | a7cb58ce | Shikhar Bhushan | |
39 | 68ac4439 | Shikhar Bhushan | """Represents the set of capabilities available to a NETCONF client or
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40 | 68ac4439 | Shikhar Bhushan | server.
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41 | 68ac4439 | Shikhar Bhushan |
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42 | 68ac4439 | Shikhar Bhushan | Presence of a capability can be checked with the *in* operation. In addition
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43 | 216bb34c | Shikhar Bhushan | to the URI, for capabilities of the form
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44 | 216bb34c | Shikhar Bhushan | *urn:ietf:params:netconf:capability:$name:$version* their shorthand can be
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45 | 216bb34c | Shikhar Bhushan | used as a key. For example, for
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46 | 216bb34c | Shikhar Bhushan | *urn:ietf:params:netconf:capability:candidate:1.0* the shorthand would be
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47 | 216bb34c | Shikhar Bhushan | *:candidate*. If version is significant, use *:candidate:1.0* as key.
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48 | 216bb34c | Shikhar Bhushan | """
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49 | 68ac4439 | Shikhar Bhushan | |
50 | 216bb34c | Shikhar Bhushan | def __init__(self, capabilities): |
51 | 68ac4439 | Shikhar Bhushan | "Initializes with a list of capability URI's"
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52 | d095a59e | Shikhar Bhushan | self._dict = {}
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53 | 216bb34c | Shikhar Bhushan | for uri in capabilities: |
54 | 216bb34c | Shikhar Bhushan | self._dict[uri] = _abbreviate(uri)
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55 | a7cb58ce | Shikhar Bhushan | |
56 | d095a59e | Shikhar Bhushan | def __contains__(self, key): |
57 | a7cb58ce | Shikhar Bhushan | if key in self._dict: |
58 | a7cb58ce | Shikhar Bhushan | return True |
59 | 216bb34c | Shikhar Bhushan | for abbrs in self._dict.values(): |
60 | 216bb34c | Shikhar Bhushan | if key in abbrs: |
61 | a7cb58ce | Shikhar Bhushan | return True |
62 | a7cb58ce | Shikhar Bhushan | return False |
63 | a7cb58ce | Shikhar Bhushan | |
64 | 216bb34c | Shikhar Bhushan | def __len__(self): |
65 | 216bb34c | Shikhar Bhushan | return len(self._dict) |
66 | 216bb34c | Shikhar Bhushan | |
67 | d095a59e | Shikhar Bhushan | def __iter__(self): |
68 | d095a59e | Shikhar Bhushan | return self._dict.keys().__iter__() |
69 | a7cb58ce | Shikhar Bhushan | |
70 | d095a59e | Shikhar Bhushan | def __repr__(self): |
71 | d095a59e | Shikhar Bhushan | return repr(self._dict.keys()) |
72 | a7cb58ce | Shikhar Bhushan | |
73 | 94803aaf | Shikhar Bhushan | def __list__(self): |
74 | 94803aaf | Shikhar Bhushan | return self._dict.keys() |
75 | a7cb58ce | Shikhar Bhushan | |
76 | 216bb34c | Shikhar Bhushan | def add(self, uri): |
77 | 216bb34c | Shikhar Bhushan | "Add a capability"
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78 | 216bb34c | Shikhar Bhushan | self._dict[uri] = _abbreviate(uri)
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79 | a7cb58ce | Shikhar Bhushan | |
80 | 216bb34c | Shikhar Bhushan | def remove(self, uri): |
81 | 216bb34c | Shikhar Bhushan | "Remove a capability"
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82 | d095a59e | Shikhar Bhushan | if key in self._dict: |
83 | d095a59e | Shikhar Bhushan | del self._dict[key] |
84 | 68ac4439 | Shikhar Bhushan | |
85 | dd225c7a | Shikhar Bhushan | def get_uri(self, shorthand): |
86 | dd225c7a | Shikhar Bhushan | for uri, abbrs in self._dict.items(): |
87 | dd225c7a | Shikhar Bhushan | if shorthand in abbrs: |
88 | dd225c7a | Shikhar Bhushan | return uri |