Revision 9667bcb2 ncclient/operations/util.py
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'Boilerplate ugliness' |
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from ncclient import xml_
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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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"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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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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raise OperationError("Insufficient parameters")
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def store_or_url(wha, loc, capcheck=None): |
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node = { 'tag': wha, 'subtree': {} }
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if '://' in loc: # e.g. http://, file://, ftp://
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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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node['subtree']['tag'] = 'url' |
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node['subtree']['text'] = loc |
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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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# capcheck(':startup')
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#elif loc == 'running' and wha == 'target': |
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# capcheck(':writable-running')
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node['subtree']['tag'] = loc
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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 = {'tag': 'filter', 'attrib': {'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['subtree'] = criteria
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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 = xml_.validated_element(spec, ['filter', xml_.qualify('filter')],
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attrs=[('type', xml_.qualify('type'))])
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if type == 'xpath' and capcheck is not None: |
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capcheck(':xpath')
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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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