root / ncclient / operations / util.py @ 6e571704
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# Copyright 2009 Shikhar Bhushan
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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'Boilerplate ugliness'
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from ncclient.xml_ import * |
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from errors import OperationError, MissingCapabilityError |
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def one_of(*args): |
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"Verifies that only one of the arguments is not None"
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for i, arg in enumerate(args): |
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if arg is not None: |
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for argh in args[i+1:]: |
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if argh is not None: |
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raise OperationError("Too many parameters") |
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else:
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return
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raise OperationError("Insufficient parameters") |
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def datastore_or_url(wha, loc, capcheck=None): |
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node = new_ele(wha) |
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if "://" in loc: # e.g. http://, file://, ftp:// |
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if capcheck is not None: |
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capcheck(":url") # url schema check at some point! |
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sub_ele(node, "url").text = loc
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else:
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#if loc == 'candidate':
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# capcheck(':candidate')
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#elif loc == 'startup':
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# capcheck(':startup')
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#elif loc == 'running' and wha == 'target':
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# capcheck(':writable-running')
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sub_ele(node, loc) |
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return node
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def build_filter(spec, capcheck=None): |
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type = None
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if isinstance(spec, tuple): |
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type, criteria = spec
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rep = new_ele("filter", type=type) |
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if type == "xpath": |
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rep.attrib["select"] = criteria
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elif type == "subtree": |
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rep.append(to_ele(criteria)) |
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else:
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raise OperationError("Invalid filter type") |
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else:
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rep = validated_element(spec, ("filter", qualify("filter")), |
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attrs=("type",))
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# TODO set type var here, check if select attr present in case of xpath..
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if type == "xpath" and capcheck is not None: |
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capcheck(":xpath")
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return rep
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