4d90c187a9
Please review the following patch containing the code changes in the repo. This patch is a transition patch and is the auto-generated output of the python-black tool. Change-Id: I2d2de71da8a105fb62b561899ae78441ddab4032 Signed-off-by: Thanh Ha <zxiiro@gmail.com>
130 lines
4.2 KiB
Python
130 lines
4.2 KiB
Python
#!/usr/bin/env python
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# Copyright (C) 2015 OpenStack, LLC.
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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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# Manage Jenkins XML config file output.
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import hashlib
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import pkg_resources
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from xml.dom import minidom
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import xml.etree.ElementTree as XML
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from jenkins_jobs import errors
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__all__ = ["XmlJobGenerator", "XmlJob"]
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def remove_ignorable_whitespace(node):
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"""Remove insignificant whitespace from XML nodes
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It should only remove whitespace in between elements and sub elements.
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This should be safe for Jenkins due to how it's XML serialization works
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but may not be valid for other XML documents. So use this method with
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caution outside of this specific library.
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"""
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# strip tail whitespace if it's not significant
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if node.tail and node.tail.strip() == "":
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node.tail = None
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for child in node:
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# only strip whitespace from the text node if there are subelement
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# nodes as this means we are removing leading whitespace before such
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# sub elements. Otherwise risk removing whitespace from an element
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# that only contains whitespace
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if node.text and node.text.strip() == "":
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node.text = None
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remove_ignorable_whitespace(child)
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class XmlJob(object):
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def __init__(self, xml, name):
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self.xml = xml
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self.name = name
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def md5(self):
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return hashlib.md5(self.output()).hexdigest()
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def output(self):
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out = minidom.parseString(XML.tostring(self.xml, encoding="UTF-8"))
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return out.toprettyxml(indent=" ", encoding="utf-8")
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class XmlGenerator(object):
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"""A super-class to capture common XML generation logic.
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Sub-classes should define three attribute: ``entry_point_group``,
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``kind_attribute`` and ``kind_default``. The value of ``kind_attribute``
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in the given data dictionary (or ``kind_default`` if it isn't present)
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will be used to filter the entry points in ``entry_point_group``; the
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module so found will be used to generate the XML object.
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"""
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def __init__(self, registry):
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self.registry = registry
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def generateXML(self, data_list):
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xml_objs = []
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for data in data_list:
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xml_objs.append(self._getXMLForData(data))
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return xml_objs
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def _getXMLForData(self, data):
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kind = data.get(self.kind_attribute, self.kind_default)
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for ep in pkg_resources.iter_entry_points(
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group=self.entry_point_group, name=kind
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):
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Mod = ep.load()
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mod = Mod(self.registry)
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xml = mod.root_xml(data)
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if "view-type" not in data:
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self._gen_xml(xml, data)
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obj = XmlJob(xml, data["name"])
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return obj
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names = [
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ep.name
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for ep in pkg_resources.iter_entry_points(group=self.entry_point_group)
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]
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raise errors.JenkinsJobsException(
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"Unrecognized {}: {} (supported types are: {})".format(
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self.kind_attribute, kind, ", ".join(names)
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)
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)
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def _gen_xml(self, xml, data):
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for module in self.registry.modules:
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if hasattr(module, "gen_xml"):
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module.gen_xml(xml, data)
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class XmlJobGenerator(XmlGenerator):
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""" This class is responsible for generating Jenkins Configuration XML from
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a compatible intermediate representation of Jenkins Jobs.
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"""
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entry_point_group = "jenkins_jobs.projects"
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kind_attribute = "project-type"
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kind_default = "freestyle"
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class XmlViewGenerator(XmlGenerator):
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""" This class is responsible for generating Jenkins Configuration XML from
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a compatible intermediate representation of Jenkins Views.
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"""
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entry_point_group = "jenkins_jobs.views"
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kind_attribute = "view-type"
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kind_default = "list"
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