85 lines
2.9 KiB
Python
85 lines
2.9 KiB
Python
# Copyright 2012 Hewlett-Packard Development Company, L.P.
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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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# Base class for a jenkins_jobs module
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import xml.etree.ElementTree as XML
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def add_nonblank_xml_subelement(parent, tag, value):
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"""
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Adds an XML SubElement with the name tag to parent if value is a non-empty
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string
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"""
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if value is not None and value != '':
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XML.SubElement(parent, tag).text = value
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class Base(object):
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"""
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A base class for a Jenkins Job Builder Module.
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The module is initialized before any YAML is parsed.
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:arg ModuleRegistry registry: the global module registry.
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"""
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#: The sequence number for the module. Modules are invoked in the
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#: order of their sequence number in order to produce consistently
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#: ordered XML output.
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sequence = 10
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#: The component type for components of this module. This will be
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#: used to look for macros (they are defined singularly, and should
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#: not be plural).
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#: Set both component_type and component_list_type to None if module
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#: doesn't have components.
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component_type = None
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#: The component list type will be used to look up possible
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#: implementations of the component type via entry points (entry
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#: points provide a list of components, so it should be plural).
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#: Set both component_type and component_list_type to None if module
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#: doesn't have components.
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component_list_type = None
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def __init__(self, registry):
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self.registry = registry
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def handle_data(self, parser):
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"""This method is called before any XML is generated. By
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overriding this method, the module may manipulate the YAML
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data structure on the parser however it likes before any XML
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is generated. If it has changed the data structure at all, it
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must return ``True``, otherwise, it must return ``False``.
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:arg YAMLParser parser: the global YAML Parser
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:rtype: boolean
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"""
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return False
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def gen_xml(self, parser, xml_parent, data):
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"""Update the XML element tree based on YAML data. Override
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this method to add elements to the XML output. Create new
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Element objects and add them to the xml_parent. The YAML data
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structure must not be modified.
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:arg YAMLParser parser: the global YAML Parser
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:arg Element xml_parent: the parent XML element
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:arg dict data: the YAML data structure
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"""
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pass
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