506 lines
16 KiB
Python
506 lines
16 KiB
Python
# Copyright 2017 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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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from sphinx import addnodes
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from docutils.parsers.rst import Directive
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from sphinx.domains import Domain, ObjType
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from sphinx.roles import XRefRole
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from sphinx.directives import ObjectDescription
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from sphinx.util.nodes import make_refnode
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from docutils import nodes
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import os
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import yaml
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class Layout(object):
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def __init__(self):
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self.jobs = []
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class ZuulDirective(Directive):
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has_content = True
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def find_zuul_yaml(self):
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root = self.state.document.settings.env.relfn2path('.')[1]
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while root:
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for fn in ['zuul.yaml', '.zuul.yaml', 'zuul.d', '.zuul.d']:
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path = os.path.join(root, fn)
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if os.path.exists(path):
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return path
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root = os.path.split(root)[0]
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raise Exception("Unable to find zuul.yaml or .zuul.yaml")
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def parse_zuul_yaml(self, path):
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with open(path) as f:
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data = yaml.safe_load(f)
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layout = Layout()
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for obj in data:
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if 'job' in obj:
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layout.jobs.append(obj['job'])
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return layout
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def parse_zuul_d(self, path):
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layout = Layout()
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for conf in os.listdir(path):
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with open(os.path.join(path, conf)) as f:
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data = yaml.safe_load(f)
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for obj in data:
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if 'job' in obj:
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layout.jobs.append(obj['job'])
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return layout
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def _parse_zuul_layout(self):
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env = self.state.document.settings.env
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if not env.domaindata['zuul']['layout']:
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path = self.find_zuul_yaml()
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if path.endswith('zuul.d'):
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layout = self.parse_zuul_d(path)
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else:
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layout = self.parse_zuul_yaml(path)
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env.domaindata['zuul']['layout_path'] = path
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env.domaindata['zuul']['layout'] = layout
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@property
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def zuul_layout(self):
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self._parse_zuul_layout()
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env = self.state.document.settings.env
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return env.domaindata['zuul']['layout']
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@property
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def zuul_layout_path(self):
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self._parse_zuul_layout()
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env = self.state.document.settings.env
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return env.domaindata['zuul']['layout_path']
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def generate_zuul_job_content(self, name):
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lines = []
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for job in self.zuul_layout.jobs:
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if job['name'] == name:
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lines.append('.. zuul:job:: %s' % name)
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if 'branches' in job:
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branches = job['branches']
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if not isinstance(branches, list):
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branches = [branches]
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variant = ', '.join(branches)
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lines.append(' :variant: %s' % variant)
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lines.append('')
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for l in job.get('description', '').split('\n'):
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lines.append(' ' + l)
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lines.append('')
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return lines
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def find_zuul_roles(self):
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root = os.path.dirname(self.zuul_layout_path)
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roledir = os.path.join(root, 'roles')
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env = self.state.document.settings.env
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roles = env.domaindata['zuul']['role_paths']
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for p in os.listdir(roledir):
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role_readme = os.path.join(roledir, p, 'README.rst')
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if os.path.exists(role_readme):
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roles[p] = role_readme
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@property
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def zuul_role_paths(self):
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env = self.state.document.settings.env
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roles = env.domaindata['zuul']['role_paths']
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if roles is None:
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roles = {}
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env.domaindata['zuul']['role_paths'] = roles
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self.find_zuul_roles()
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return roles
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def generate_zuul_role_content(self, name):
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lines = []
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lines.append('.. zuul:role:: %s' % name)
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lines.append('')
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role_readme = self.zuul_role_paths[name]
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with open(role_readme) as f:
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role_lines = f.read().split('\n')
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for l in role_lines:
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lines.append(' ' + l)
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return lines
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class ZuulObjectDescription(ZuulDirective, ObjectDescription):
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object_names = {
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'attr': 'attribute',
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'var': 'variable',
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'jobvar': 'job variable',
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'rolevar': 'role variable',
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}
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def get_path(self):
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return self.env.ref_context.get('zuul:attr_path', [])
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def get_display_path(self):
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return self.env.ref_context.get('zuul:display_attr_path', [])
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@property
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def parent_pathname(self):
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return '.'.join(self.get_display_path())
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@property
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def full_pathname(self):
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name = self.names[-1].lower()
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return '.'.join(self.get_path() + [name])
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def add_target_and_index(self, name, sig, signode):
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targetname = self.objtype + '-' + self.full_pathname
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if targetname not in self.state.document.ids:
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signode['names'].append(targetname)
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signode['ids'].append(targetname)
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signode['first'] = (not self.names)
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self.state.document.note_explicit_target(signode)
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objects = self.env.domaindata['zuul']['objects']
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if targetname in objects:
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self.state_machine.reporter.warning(
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'duplicate object description of %s, ' % targetname +
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'other instance in ' +
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self.env.doc2path(objects[targetname][0]) +
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', use :noindex: for one of them',
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line=self.lineno)
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objects[targetname] = (self.env.docname, self.objtype)
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objname = self.object_names.get(self.objtype, self.objtype)
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if self.parent_pathname:
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indextext = '%s (%s of %s)' % (name, objname,
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self.parent_pathname)
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else:
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indextext = '%s (%s)' % (name, objname)
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self.indexnode['entries'].append(('single', indextext,
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targetname, '', None))
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######################################################################
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#
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# Object description directives
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#
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class ZuulJobDirective(ZuulObjectDescription):
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option_spec = {
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'variant': lambda x: x,
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}
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def before_content(self):
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path = self.env.ref_context.setdefault('zuul:attr_path', [])
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element = self.names[-1]
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path.append(element)
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def after_content(self):
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path = self.env.ref_context.get('zuul:attr_path')
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if path:
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path.pop()
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def handle_signature(self, sig, signode):
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signode += addnodes.desc_name(sig, sig)
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return sig
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class ZuulRoleDirective(ZuulObjectDescription):
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def before_content(self):
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path = self.env.ref_context.setdefault('zuul:attr_path', [])
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element = self.names[-1]
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path.append(element)
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def after_content(self):
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path = self.env.ref_context.get('zuul:attr_path')
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if path:
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path.pop()
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def handle_signature(self, sig, signode):
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signode += addnodes.desc_name(sig, sig)
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return sig
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class ZuulAttrDirective(ZuulObjectDescription):
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has_content = True
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option_spec = {
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'required': lambda x: x,
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'default': lambda x: x,
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'noindex': lambda x: x,
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}
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def before_content(self):
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path = self.env.ref_context.setdefault('zuul:attr_path', [])
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path.append(self.names[-1])
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path = self.env.ref_context.setdefault('zuul:display_attr_path', [])
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path.append(self.names[-1])
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def after_content(self):
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path = self.env.ref_context.get('zuul:attr_path')
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if path:
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path.pop()
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path = self.env.ref_context.get('zuul:display_attr_path')
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if path:
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path.pop()
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def handle_signature(self, sig, signode):
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path = self.get_display_path()
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signode['is_multiline'] = True
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line = addnodes.desc_signature_line()
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line['add_permalink'] = True
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for x in path:
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line += addnodes.desc_addname(x + '.', x + '.')
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line += addnodes.desc_name(sig, sig)
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if 'required' in self.options:
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line += addnodes.desc_annotation(' (required)', ' (required)')
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signode += line
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if 'default' in self.options:
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line = addnodes.desc_signature_line()
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line += addnodes.desc_type('Default: ', 'Default: ')
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line += nodes.literal(self.options['default'],
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self.options['default'])
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signode += line
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return sig
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class ZuulValueDirective(ZuulObjectDescription):
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has_content = True
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def handle_signature(self, sig, signode):
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signode += addnodes.desc_name(sig, sig)
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return sig
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class ZuulVarDirective(ZuulObjectDescription):
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has_content = True
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option_spec = {
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'type': lambda x: x,
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'default': lambda x: x,
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'hidden': lambda x: x,
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'noindex': lambda x: x,
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}
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type_map = {
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'list': '[]',
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'dict': '{}',
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}
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def get_type_str(self):
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if 'type' in self.options:
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return self.type_map[self.options['type']]
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return ''
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def before_content(self):
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path = self.env.ref_context.setdefault('zuul:attr_path', [])
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element = self.names[-1]
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path.append(element)
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path = self.env.ref_context.setdefault('zuul:display_attr_path', [])
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element = self.names[-1] + self.get_type_str()
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path.append(element)
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def after_content(self):
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path = self.env.ref_context.get('zuul:attr_path')
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if path:
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path.pop()
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path = self.env.ref_context.get('zuul:display_attr_path')
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if path:
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path.pop()
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def handle_signature(self, sig, signode):
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if 'hidden' in self.options:
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return sig
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path = self.get_display_path()
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signode['is_multiline'] = True
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line = addnodes.desc_signature_line()
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line['add_permalink'] = True
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for x in path:
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line += addnodes.desc_addname(x + '.', x + '.')
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line += addnodes.desc_name(sig, sig)
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if 'required' in self.options:
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line += addnodes.desc_annotation(' (required)', ' (required)')
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signode += line
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if 'default' in self.options:
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line = addnodes.desc_signature_line()
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line += addnodes.desc_type('Default: ', 'Default: ')
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line += nodes.literal(self.options['default'],
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self.options['default'])
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signode += line
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return sig
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class ZuulJobVarDirective(ZuulVarDirective):
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pass
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class ZuulRoleVarDirective(ZuulVarDirective):
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pass
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class ZuulStatDirective(ZuulObjectDescription):
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has_content = True
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option_spec = {
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'type': lambda x: x,
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'hidden': lambda x: x,
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'noindex': lambda x: x,
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}
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def before_content(self):
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path = self.env.ref_context.setdefault('zuul:attr_path', [])
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element = self.names[-1]
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path.append(element)
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path = self.env.ref_context.setdefault('zuul:display_attr_path', [])
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element = self.names[-1]
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path.append(element)
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def after_content(self):
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path = self.env.ref_context.get('zuul:attr_path')
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if path:
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path.pop()
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path = self.env.ref_context.get('zuul:display_attr_path')
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if path:
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path.pop()
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def handle_signature(self, sig, signode):
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if 'hidden' in self.options:
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return sig
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path = self.get_display_path()
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for x in path:
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signode += addnodes.desc_addname(x + '.', x + '.')
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signode += addnodes.desc_name(sig, sig)
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if 'type' in self.options:
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t = ' (%s)' % self.options['type']
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signode += addnodes.desc_annotation(t, t)
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return sig
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######################################################################
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#
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# Autodoc directives
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#
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class ZuulAutoJobDirective(ZuulDirective):
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def run(self):
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name = self.content[0]
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lines = self.generate_zuul_job_content(name)
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self.state_machine.insert_input(lines, self.zuul_layout_path)
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return []
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class ZuulAutoJobsDirective(ZuulDirective):
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has_content = False
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def run(self):
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lines = []
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names = set()
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for job in self.zuul_layout.jobs:
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name = job['name']
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if name in names:
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continue
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lines.extend(self.generate_zuul_job_content(name))
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names.add(name)
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self.state_machine.insert_input(lines, self.zuul_layout_path)
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return []
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class ZuulAutoRoleDirective(ZuulDirective):
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def run(self):
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name = self.content[0]
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lines = self.generate_zuul_role_content(name)
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self.state_machine.insert_input(lines, self.zuul_role_paths[name])
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return []
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class ZuulAutoRolesDirective(ZuulDirective):
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has_content = False
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def run(self):
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role_names = reversed(sorted(self.zuul_role_paths.keys()))
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for name in role_names:
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lines = self.generate_zuul_role_content(name)
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self.state_machine.insert_input(lines, self.zuul_role_paths[name])
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return []
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class ZuulAbbreviatedXRefRole(XRefRole):
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def process_link(self, env, refnode, has_explicit_title, title,
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target):
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title, target = super(ZuulAbbreviatedXRefRole, self).process_link(
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env, refnode, has_explicit_title, title, target)
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if not has_explicit_title:
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title = title.split('.')[-1]
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return title, target
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class ZuulDomain(Domain):
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name = 'zuul'
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label = 'Zuul'
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directives = {
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# Object description directives
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'job': ZuulJobDirective,
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'role': ZuulRoleDirective,
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'attr': ZuulAttrDirective,
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'value': ZuulValueDirective,
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'var': ZuulVarDirective,
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'stat': ZuulStatDirective,
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'jobvar': ZuulJobVarDirective,
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'rolevar': ZuulRoleVarDirective,
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# Autodoc directives
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'autojob': ZuulAutoJobDirective,
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'autojobs': ZuulAutoJobsDirective,
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'autorole': ZuulAutoRoleDirective,
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'autoroles': ZuulAutoRolesDirective,
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}
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roles = {
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'job': XRefRole(innernodeclass=nodes.inline, # type: ignore
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warn_dangling=True),
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'role': XRefRole(innernodeclass=nodes.inline, # type: ignore
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warn_dangling=True),
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'attr': XRefRole(innernodeclass=nodes.inline, # type: ignore
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warn_dangling=True),
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'value': ZuulAbbreviatedXRefRole(
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innernodeclass=nodes.inline, # type: ignore
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warn_dangling=True),
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'var': XRefRole(innernodeclass=nodes.inline, # type: ignore
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warn_dangling=True),
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'stat': XRefRole(innernodeclass=nodes.inline, # type: ignore
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warn_dangling=True),
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'jobvar': XRefRole(innernodeclass=nodes.inline, # type: ignore
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warn_dangling=True),
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'rolevar': XRefRole(innernodeclass=nodes.inline, # type: ignore
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warn_dangling=True),
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}
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initial_data = {
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'layout': None,
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'layout_path': None,
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'role_paths': None,
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'objects': {},
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} # type: Dict[str, Dict]
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def resolve_xref(self, env, fromdocname, builder, type, target,
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node, contnode):
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objects = self.data['objects']
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name = type + '-' + target
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obj = objects.get(name)
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if obj:
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return make_refnode(builder, fromdocname, obj[0], name,
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contnode, name)
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def clear_doc(self, docname):
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for fullname, (fn, _l) in list(self.data['objects'].items()):
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if fn == docname:
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del self.data['objects'][fullname]
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def setup(app):
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app.add_domain(ZuulDomain)
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