2015-08-18 16:29:56 +00:00
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# Copyright 2015 Canonical, Ltd.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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2016-11-01 23:44:04 +00:00
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from abc import ABC, abstractmethod
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2015-08-18 16:29:56 +00:00
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import logging
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2016-06-30 18:17:01 +00:00
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log = logging.getLogger("subiquitycore.controller")
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2015-08-18 16:29:56 +00:00
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2016-11-01 23:44:04 +00:00
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class BaseController(ABC):
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2016-07-26 02:16:46 +00:00
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"""Base class for controllers."""
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2015-08-18 16:29:56 +00:00
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2016-10-10 23:48:28 +00:00
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signals = []
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2015-08-31 15:55:46 +00:00
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def __init__(self, common):
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self.ui = common['ui']
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self.signal = common['signal']
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self.opts = common['opts']
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self.loop = common['loop']
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self.prober = common['prober']
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2016-06-22 19:19:54 +00:00
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self.controllers = common['controllers']
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2017-01-13 01:42:31 +00:00
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self.pool = common['pool']
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2017-11-14 21:30:09 +00:00
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self.base_model = common['base_model']
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2017-11-16 00:29:22 +00:00
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self.all_answers = common['answers']
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2018-02-07 21:37:22 +00:00
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self.input_filter = common['input_filter']
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2019-02-21 08:45:40 +00:00
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self.scale_factor = common['scale_factor']
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2019-03-07 02:05:13 +00:00
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self.run_in_bg = common['run_in_bg']
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2019-03-07 09:20:29 +00:00
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self.updated = common['updated']
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self.application = common['application']
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2019-03-01 00:23:03 +00:00
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if 'snapd_connection' in common:
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self.snapd_connection = common['snapd_connection']
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2015-08-18 16:29:56 +00:00
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def register_signals(self):
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2016-07-26 02:16:46 +00:00
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"""Defines signals associated with controller from model."""
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2016-09-29 01:52:11 +00:00
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signals = []
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for sig, cb in self.signals:
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signals.append((sig, getattr(self, cb)))
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self.signal.connect_signals(signals)
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2016-09-27 02:33:54 +00:00
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2019-03-07 02:31:39 +00:00
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def start(self):
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pass
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2016-11-01 23:44:04 +00:00
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@abstractmethod
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def cancel(self):
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pass
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@abstractmethod
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2016-09-27 02:33:54 +00:00
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def default(self):
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2016-11-01 23:44:04 +00:00
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pass
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2018-10-29 23:17:29 +00:00
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2019-03-06 02:52:13 +00:00
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def serialize(self):
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return None
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def deserialize(self, data):
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if data is not None:
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raise Exception("missing deserialize method on {}".format(self))
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2018-10-29 23:17:29 +00:00
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# Stuff for fine grained actions, used by filesystem and network
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# controller at time of writing this comment.
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def _enter_form_data(self, form, data, submit, clean_suffix=''):
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for k, v in data.items():
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c = getattr(
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self, '_action_clean_{}_{}'.format(k, clean_suffix), None)
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if c is None:
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c = getattr(self, '_action_clean_{}'.format(k), lambda x: x)
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field = getattr(form, k)
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from subiquitycore.ui.selector import Selector
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v = c(v)
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if isinstance(field.widget, Selector):
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field.widget._emit('select', v)
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field.value = v
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yield
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yield
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for bf in form._fields:
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bf.validate()
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form.validated()
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if submit:
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if not form.done_btn.enabled:
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raise Exception("answers left form invalid!")
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form._click_done(None)
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def _run_actions(self, actions):
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for action in actions:
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yield from self._answers_action(action)
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2019-02-21 08:45:40 +00:00
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def _run_iterator(self, it, delay=None):
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if delay is None:
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delay = 0.2/self.scale_factor
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2018-10-29 23:17:29 +00:00
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try:
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next(it)
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except StopIteration:
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return
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self.loop.set_alarm_in(
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delay,
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lambda *args: self._run_iterator(it, delay/1.1))
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2019-03-06 23:03:54 +00:00
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class RepeatedController(BaseController):
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def __init__(self, orig, index):
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self.orig = orig
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self.index = index
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def register_signals(self):
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pass
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def default(self):
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self.orig.default(self.index)
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def cancel(self):
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self.orig.cancel()
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