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""" |
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Enarksh |
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Copyright 2013-2016 Set Based IT Consultancy |
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Licence MIT |
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""" |
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from enarksh.DataLayer import DataLayer |
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class Dependency: |
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# ------------------------------------------------------------------------------------------------------------------ |
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def __init__(self, port): |
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self._node_name = '' |
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""" |
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The name of the referenced node of this dependency. |
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:type: str |
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""" |
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self._port = port |
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""" |
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The port (owner) of this dependency. |
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:type: enarksh.xml_reader.port.Port.Port |
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""" |
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self._port_name = '' |
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""" |
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The name of the referenced port of this dependency. |
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:type: str |
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""" |
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# ------------------------------------------------------------------------------------------------------------------ |
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def get_dependency_level(self): |
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""" |
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:rtype: int |
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""" |
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if self._node_name == '.': |
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return -1 |
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else: |
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return self._port.node.parent_node.get_node_by_name(self._node_name).get_dependency_level() |
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# ------------------------------------------------------------------------------------------------------------------ |
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def read_xml(self, xml): |
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""" |
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:param xml.etree.ElementTree.Element xml: |
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""" |
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for element in list(xml): |
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tag = element.tag |
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if tag == 'NodeName': |
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self._node_name = element.text |
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elif tag == 'PortName': |
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self._port_name = element.text |
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else: |
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raise RuntimeError("Unexpected tag '{0!s}'.".format(tag)) |
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# ------------------------------------------------------------------------------------------------------------------ |
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def validate(self, errors): |
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""" |
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Validates this dependency against rules which are not imposed by XSD. |
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:param list errors: A list of error messages. |
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""" |
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# @todo XXX Node named $this->myNodeName must exists. |
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# @todo XXX Node must have port named $this->myPortName. |
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pass |
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# ------------------------------------------------------------------------------------------------------------------ |
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def store(self, port, node): |
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""" |
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Stores this dependency into the database. |
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:param enarksh.xml_reader.port.Port.Port port: The port of the dependency. |
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:param enarksh.xml_reader.node.Node.Node node: The node of the dependency. |
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""" |
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prt_id_dependant = port.prt_id |
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prt_id_predecessor = node.get_port_by_name(self._node_name, self._port_name).prt_id |
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DataLayer.enk_reader_dependency_store_dependency(prt_id_dependant, prt_id_predecessor) |
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# ---------------------------------------------------------------------------------------------------------------------- |
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SetBased /
py-enarksh
The coding style of this project requires that you add a docstring to this code element. Below, you find an example for methods:
If you would like to know more about docstrings, we recommend to read PEP-257: Docstring Conventions.