mirror of
https://github.com/ARM-software/workload-automation.git
synced 2025-01-18 20:11:20 +00:00
130 lines
4.8 KiB
Python
130 lines
4.8 KiB
Python
# Copyright 2014-2015 ARM Limited
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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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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from subprocess import call, Popen, PIPE
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from wa import Command
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from wa.framework import pluginloader
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from wa.framework.configuration.core import MetaConfiguration, RunConfiguration
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from wa.framework.exception import NotFoundError
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from wa.framework.target.descriptor import list_target_descriptions
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from wa.utils.types import caseless_string
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from wa.utils.doc import (strip_inlined_text, get_rst_from_plugin,
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get_params_rst, underline)
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from wa.utils.misc import which
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from devlib.utils.misc import escape_double_quotes
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class ShowCommand(Command):
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name = 'show'
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description = 'Display documentation for the specified plugin (workload, instrument, etc.).'
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def initialize(self, context):
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self.parser.add_argument('plugin', metavar='PLUGIN',
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help='The name of the plugin to display documentation for.')
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def execute(self, state, args):
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name = args.plugin
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rst_output = None
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if name == caseless_string('settings'):
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rst_output = get_rst_for_global_config()
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rst_output += get_rst_for_envars()
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plugin_name = name.lower()
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kind = 'global:'
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else:
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plugin = get_plugin(name)
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if plugin:
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rst_output = get_rst_from_plugin(plugin)
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plugin_name = plugin.name
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kind = '{}:'.format(plugin.kind)
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else:
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target = get_target_description(name)
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if target:
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rst_output = get_rst_from_target(target)
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plugin_name = target.name
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kind = 'target:'
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if not rst_output:
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raise NotFoundError('Could not find plugin or alias "{}"'.format(name))
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if which('pandoc'):
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p = Popen(['pandoc', '-f', 'rst', '-t', 'man'], stdin=PIPE, stdout=PIPE, stderr=PIPE)
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output, _ = p.communicate(rst_output)
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# Make sure to double escape back slashes
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output = output.replace('\\', '\\\\\\')
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# Correctly format the title and page number of the man page
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title, body = output.split('\n', 1)
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title = '.TH {}{} 1'.format(kind, plugin_name)
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output = '\n'.join([title, body])
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call('echo "{}" | man -l -'.format(escape_double_quotes(output)), shell=True)
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else:
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print rst_output
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def get_plugin(name):
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for plugin in pluginloader.list_plugins():
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if name == plugin.name:
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return plugin
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if hasattr(plugin, 'alias'):
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for alias in plugin.alias:
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if name == alias:
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return plugin
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def get_target_description(name):
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targets = list_target_descriptions()
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for target in targets:
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if name == target.name:
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return target
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def get_rst_from_target(target):
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text = underline(target.name, '~')
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if hasattr(target, 'description'):
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desc = strip_inlined_text(target.description or '')
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text += desc
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text += underline('Device Parameters:', '-')
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text += get_params_rst(target.conn_params)
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text += get_params_rst(target.platform_params)
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text += get_params_rst(target.target_params)
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text += get_params_rst(target.assistant_params)
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text += '.. Note: For available runtime parameters please see the documentation'
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return text + '\n'
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def get_rst_for_global_config():
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text = underline('Global Configuration')
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text += 'These parameters control the behaviour of WA/run as a whole, they ' \
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'should be set inside a config file (either located in $WA_USER_DIRECTORY/config.yaml ' \
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'or one which is specified with -c), or into config/global section of the agenda.\n\n'
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cfg_points = MetaConfiguration.config_points + RunConfiguration.config_points
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text += get_params_rst(cfg_points)
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return text
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def get_rst_for_envars():
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text = underline('Environment Variables')
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text += '''WA_USER_DIRECTORY: str
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This is the location WA will look for config.yaml, plugins, dependencies,
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and it will also be used for local caches, etc. If this variable is not set,
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the default location is ``~/.workload_automation`` (this is created when WA
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is installed).
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.. note.. This location must be writable by the user who runs WA.'''
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return text
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