Replace support matrix ext with common library
The code to generate a support matrix has been pulled into a common library. Using this instead of duplicating code in various projects that need it. Change-Id: If5c0bf2b0dcd7dbb7d316139ecb62a936fd15439 Co-Authored-By: Stephen Finucane <stephenfin@redhat.com>
This commit is contained in:
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# Copyright (C) 2014 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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"""
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This provides a sphinx extension able to render the source/support-matrix.ini
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file into the developer documentation.
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It is used via a single directive in the .rst file
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.. support_matrix::
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"""
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import re
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import sys
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from six.moves import configparser
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from docutils import nodes
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from docutils.parsers import rst
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class SupportMatrix(object):
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"""Represents the entire support matrix for Nova virt drivers
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"""
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def __init__(self):
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# List of SupportMatrixFeature instances, describing
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# all the features present in Nova virt drivers
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self.features = []
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# Dict of (name, SupportMatrixTarget) enumerating
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# all the hypervisor drivers that have data recorded
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# for them in self.features. The 'name' dict key is
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# the value from the SupportMatrixTarget.key attribute
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self.targets = {}
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class SupportMatrixFeature(object):
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STATUS_MANDATORY = "mandatory"
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STATUS_CHOICE = "choice"
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STATUS_CONDITION = "condition"
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STATUS_OPTIONAL = "optional"
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STATUS_ALL = [STATUS_MANDATORY, STATUS_CHOICE,
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STATUS_CONDITION, STATUS_OPTIONAL]
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def __init__(self, key, title, status=STATUS_OPTIONAL,
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group=None, notes=None, cli=None):
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if not cli:
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cli = []
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# A unique key (eg 'foo.bar.wizz') to identify the feature
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self.key = key
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# A human friendly short title for the feature
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self.title = title
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# One of the status constants
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self.status = status
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# Detail string if status was choice/condition
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self.group = group
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# Arbitrarily long string describing the feature in detail
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self.notes = notes
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# Dict of (name, SupportMatrixImplementation) detailing
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# the implementation for each hypervisor driver. The
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# 'name' dict key is the value from SupportMatrixTarget.key
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# for the hypervisor in question
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self.implementations = {}
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# A list of CLI commands which are related to that feature
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self.cli = cli
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class SupportMatrixImplementation(object):
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STATUS_COMPLETE = "complete"
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STATUS_PARTIAL = "partial"
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STATUS_MISSING = "missing"
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STATUS_UKNOWN = "unknown"
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STATUS_ALL = [STATUS_COMPLETE, STATUS_PARTIAL, STATUS_MISSING,
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STATUS_UKNOWN]
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def __init__(self, status=STATUS_MISSING, notes=None):
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# One of the status constants detailing the implementation
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# level
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self.status = status
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# Arbitrary string describing any caveats of the implementation.
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# Mandatory if status is 'partial', optional otherwise.
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self.notes = notes
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class SupportMatrixTarget(object):
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def __init__(self, key, title, driver, hypervisor=None, architecture=None):
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""":param key: Unique identifier for the hypervisor driver
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:param title: Human friendly name of the hypervisor
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:param driver: Name of the Nova driver
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:param hypervisor: (optional) Name of the hypervisor, if many
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:param architecture: (optional) Name of the architecture, if many
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"""
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self.key = key
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self.title = title
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self.driver = driver
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self.hypervisor = hypervisor
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self.architecture = architecture
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class SupportMatrixDirective(rst.Directive):
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# The argument is the filename, e.g. support-matrix.ini
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required_arguments = 1
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def run(self):
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matrix = self._load_support_matrix()
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return self._build_markup(matrix)
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def _load_support_matrix(self):
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"""Reads the support-matrix.ini file and populates an instance
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of the SupportMatrix class with all the data.
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:returns: SupportMatrix instance
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"""
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# SafeConfigParser was deprecated in Python 3.2
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if sys.version_info >= (3, 2):
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cfg = configparser.ConfigParser()
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else:
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cfg = configparser.SafeConfigParser()
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env = self.state.document.settings.env
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fname = self.arguments[0]
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rel_fpath, fpath = env.relfn2path(fname)
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with open(fpath) as fp:
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cfg.readfp(fp)
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# This ensures that the docs are rebuilt whenever the
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# .ini file changes
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env.note_dependency(rel_fpath)
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matrix = SupportMatrix()
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matrix.targets = self._get_targets(cfg)
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matrix.features = self._get_features(cfg, matrix.targets)
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return matrix
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def _get_targets(self, cfg):
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# The 'targets' section is special - it lists all the
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# hypervisors that this file records data for
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targets = {}
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for item in cfg.options("targets"):
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if not item.startswith("driver-impl-"):
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continue
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# The driver string will optionally contain
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# a hypervisor and architecture qualifier
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# so we expect between 1 and 3 components
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# in the name
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key = item[12:]
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title = cfg.get("targets", item)
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name = key.split("-")
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if len(name) == 1:
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target = SupportMatrixTarget(key,
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title,
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name[0])
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elif len(name) == 2:
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target = SupportMatrixTarget(key,
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title,
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name[0],
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name[1])
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elif len(name) == 3:
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target = SupportMatrixTarget(key,
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title,
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name[0],
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name[1],
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name[2])
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else:
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raise Exception("'%s' field is malformed in '[%s]' section" %
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(item, "DEFAULT"))
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targets[key] = target
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return targets
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def _get_features(self, cfg, targets):
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# All sections except 'targets' describe some feature of
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# the Nova hypervisor driver implementation
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features = []
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for section in cfg.sections():
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if section == "targets":
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continue
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if not cfg.has_option(section, "title"):
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raise Exception(
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"'title' field missing in '[%s]' section" % section)
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title = cfg.get(section, "title")
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status = SupportMatrixFeature.STATUS_OPTIONAL
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if cfg.has_option(section, "status"):
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# The value is a string "status(group)" where
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# the 'group' part is optional
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status = cfg.get(section, "status")
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offset = status.find("(")
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group = None
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if offset != -1:
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group = status[offset + 1:-1]
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status = status[0:offset]
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if status not in SupportMatrixFeature.STATUS_ALL:
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raise Exception(
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"'status' field value '%s' in ['%s']"
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"section must be %s" %
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(status, section,
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",".join(SupportMatrixFeature.STATUS_ALL)))
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notes = None
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if cfg.has_option(section, "notes"):
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notes = cfg.get(section, "notes")
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cli = []
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if cfg.has_option(section, "cli"):
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cli = cfg.get(section, "cli")
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feature = SupportMatrixFeature(section,
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title,
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status,
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group,
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notes,
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cli)
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# Now we've got the basic feature details, we must process
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# the hypervisor driver implementation for each feature
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for item in cfg.options(section):
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if not item.startswith("driver-impl-"):
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continue
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key = item[12:]
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if key not in targets:
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raise Exception(
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"Driver impl '%s' in '[%s]' not declared" %
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(item, section))
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status = cfg.get(section, item)
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if status not in SupportMatrixImplementation.STATUS_ALL:
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raise Exception(
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"'%s' value '%s' in '[%s]' section must be %s" %
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(item, status, section,
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",".join(SupportMatrixImplementation.STATUS_ALL)))
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noteskey = "driver-notes-" + item[12:]
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notes = None
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if cfg.has_option(section, noteskey):
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notes = cfg.get(section, noteskey)
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target = targets[key]
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impl = SupportMatrixImplementation(status,
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notes)
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feature.implementations[target.key] = impl
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for key in targets:
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if key not in feature.implementations:
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raise Exception("'%s' missing in '[%s]' section" %
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(key, section))
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features.append(feature)
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return features
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def _build_markup(self, matrix):
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"""Constructs the docutils content for the support matrix
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"""
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content = []
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self._build_summary(matrix, content)
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self._build_details(matrix, content)
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self._build_notes(content)
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return content
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def _build_summary(self, matrix, content):
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"""Constructs the docutils content for the summary of
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the support matrix.
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The summary consists of a giant table, with one row
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for each feature, and a column for each hypervisor
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driver. It provides an 'at a glance' summary of the
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status of each driver
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"""
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summarytitle = nodes.subtitle(text="Summary")
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summary = nodes.table()
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cols = len(matrix.targets.keys())
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cols += 2
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summarygroup = nodes.tgroup(cols=cols)
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summarybody = nodes.tbody()
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summaryhead = nodes.thead()
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for i in range(cols):
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summarygroup.append(nodes.colspec(colwidth=1))
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summarygroup.append(summaryhead)
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summarygroup.append(summarybody)
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summary.append(summarygroup)
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content.append(summarytitle)
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content.append(summary)
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# This sets up all the column headers - two fixed
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# columns for feature name & status
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header = nodes.row()
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blank = nodes.entry()
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blank.append(nodes.emphasis(text="Feature"))
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header.append(blank)
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blank = nodes.entry()
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blank.append(nodes.emphasis(text="Status"))
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header.append(blank)
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summaryhead.append(header)
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# then one column for each hypervisor driver
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impls = list(matrix.targets.keys())
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impls.sort()
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for key in impls:
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target = matrix.targets[key]
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implcol = nodes.entry()
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header.append(implcol)
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implcol.append(nodes.strong(text=target.title))
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# We now produce the body of the table, one row for
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# each feature to report on
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for feature in matrix.features:
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item = nodes.row()
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# the hyperlink target name linking to details
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id = re.sub("[^a-zA-Z0-9_]", "_",
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feature.key)
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# first the to fixed columns for title/status
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keycol = nodes.entry()
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item.append(keycol)
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keyref = nodes.reference(refid=id)
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keytxt = nodes.inline()
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keycol.append(keytxt)
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keytxt.append(keyref)
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keyref.append(nodes.strong(text=feature.title))
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statuscol = nodes.entry()
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item.append(statuscol)
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statuscol.append(nodes.inline(
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text=feature.status,
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classes=["sp_feature_" + feature.status]))
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# and then one column for each hypervisor driver
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impls = list(matrix.targets.keys())
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impls.sort()
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for key in impls:
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target = matrix.targets[key]
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impl = feature.implementations[key]
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implcol = nodes.entry()
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item.append(implcol)
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id = re.sub("[^a-zA-Z0-9_]", "_",
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feature.key + "_" + key)
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implref = nodes.reference(refid=id)
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impltxt = nodes.inline()
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implcol.append(impltxt)
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impltxt.append(implref)
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status = ""
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if impl.status == SupportMatrixImplementation.STATUS_COMPLETE:
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status = u"\u2714"
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elif impl.status == SupportMatrixImplementation.STATUS_MISSING:
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status = u"\u2716"
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elif impl.status == SupportMatrixImplementation.STATUS_PARTIAL:
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status = u"\u2714"
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elif impl.status == SupportMatrixImplementation.STATUS_UKNOWN:
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status = u"?"
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implref.append(nodes.literal(
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text=status,
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classes=["sp_impl_summary", "sp_impl_" + impl.status]))
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summarybody.append(item)
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def _build_details(self, matrix, content):
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"""Constructs the docutils content for the details of
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the support matrix.
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This is generated as a bullet list of features.
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Against each feature we provide the description of
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the feature and then the details of the hypervisor
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impls, with any driver specific notes that exist
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"""
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detailstitle = nodes.subtitle(text="Details")
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details = nodes.bullet_list()
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content.append(detailstitle)
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content.append(details)
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# One list entry for each feature we're reporting on
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for feature in matrix.features:
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item = nodes.list_item()
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status = feature.status
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if feature.group is not None:
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status += "(" + feature.group + ")"
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# The hypervisor target name linked from summary table
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id = re.sub("[^a-zA-Z0-9_]", "_",
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feature.key)
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# Highlight the feature title name
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item.append(nodes.strong(text=feature.title,
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ids=[id]))
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para = nodes.paragraph()
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para.append(nodes.strong(text="Status: " + status + ". "))
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if feature.notes is not None:
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para.append(nodes.inline(text=feature.notes))
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item.append(para)
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if feature.cli:
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item.append(self._create_cli_paragraph(feature))
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para_divers = nodes.paragraph()
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para_divers.append(nodes.strong(text="drivers:"))
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# A sub-list giving details of each hypervisor target
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impls = nodes.bullet_list()
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for key in feature.implementations:
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target = matrix.targets[key]
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impl = feature.implementations[key]
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subitem = nodes.list_item()
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id = re.sub("[^a-zA-Z0-9_]", "_",
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feature.key + "_" + key)
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subitem += [
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nodes.strong(text=target.title + ": "),
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nodes.literal(text=impl.status,
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classes=["sp_impl_" + impl.status],
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ids=[id]),
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]
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if impl.notes is not None:
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subitem.append(self._create_notes_paragraph(impl.notes))
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impls.append(subitem)
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para_divers.append(impls)
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item.append(para_divers)
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details.append(item)
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def _build_notes(self, content):
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"""Constructs a list of notes content for the support matrix.
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This is generated as a bullet list.
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"""
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notestitle = nodes.subtitle(text="Notes")
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notes = nodes.bullet_list()
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content.append(notestitle)
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content.append(notes)
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NOTES = [
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"Virtuozzo was formerly named Parallels in this document"
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]
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for note in NOTES:
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item = nodes.list_item()
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item.append(nodes.strong(text=note))
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notes.append(item)
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def _create_cli_paragraph(self, feature):
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"""Create a paragraph which represents the CLI commands of the feature
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The paragraph will have a bullet list of CLI commands.
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"""
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para = nodes.paragraph()
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para.append(nodes.strong(text="CLI commands:"))
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commands = nodes.bullet_list()
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for c in feature.cli.split(";"):
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cli_command = nodes.list_item()
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cli_command += nodes.literal(text=c, classes=["sp_cli"])
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commands.append(cli_command)
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para.append(commands)
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return para
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def _create_notes_paragraph(self, notes):
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"""Constructs a paragraph which represents the implementation notes
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The paragraph consists of text and clickable URL nodes if links were
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given in the notes.
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"""
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para = nodes.paragraph()
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# links could start with http:// or https://
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link_idxs = [m.start() for m in re.finditer('https?://', notes)]
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start_idx = 0
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for link_idx in link_idxs:
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# assume the notes start with text (could be empty)
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para.append(nodes.inline(text=notes[start_idx:link_idx]))
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# create a URL node until the next text or the end of the notes
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link_end_idx = notes.find(" ", link_idx)
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if link_end_idx == -1:
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# In case the notes end with a link without a blank
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link_end_idx = len(notes)
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uri = notes[link_idx:link_end_idx + 1]
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para.append(nodes.reference("", uri, refuri=uri))
|
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start_idx = link_end_idx + 1
|
||||
|
||||
# get all text after the last link (could be empty) or all of the
|
||||
# text if no link was given
|
||||
para.append(nodes.inline(text=notes[start_idx:]))
|
||||
return para
|
||||
|
||||
|
||||
def setup(app):
|
||||
app.add_directive('support_matrix', SupportMatrixDirective)
|
||||
app.add_stylesheet('support-matrix.css')
|
|
@ -4,6 +4,7 @@
|
|||
sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD
|
||||
sphinxcontrib-actdiag>=0.8.5 # BSD
|
||||
sphinxcontrib-seqdiag>=0.8.4 # BSD
|
||||
sphinx-feature-classification>=0.2.0 # Apache-2.0
|
||||
os-api-ref>=1.4.0 # Apache-2.0
|
||||
openstackdocstheme>=1.19.0 # Apache-2.0
|
||||
|
||||
|
|
|
@ -38,7 +38,7 @@ extensions = ['sphinx.ext.autodoc',
|
|||
'openstackdocstheme',
|
||||
'sphinx.ext.coverage',
|
||||
'sphinx.ext.graphviz',
|
||||
'ext.support_matrix',
|
||||
'sphinx_feature_classification.support_matrix',
|
||||
'oslo_config.sphinxconfiggen',
|
||||
'oslo_config.sphinxext',
|
||||
'oslo_policy.sphinxpolicygen',
|
||||
|
|
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Reference in New Issue