107 lines
3.1 KiB
Python
107 lines
3.1 KiB
Python
import importlib
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import logging
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import core.input
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import core.widget
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import core.decorators
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try:
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error = ModuleNotFoundError('')
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except Exception as e:
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ModuleNotFoundError = Exception
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log = logging.getLogger(__name__)
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def load(module_name, config=None):
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error = None
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for namespace in [ 'core', 'contrib' ]:
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try:
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mod = importlib.import_module('modules.{}.{}'.format(namespace, module_name))
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return getattr(mod, 'Module')(config)
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except ModuleNotFoundError as e:
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log.fatal('failed to import {}: {}'.format(module_name, e))
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except ImportError as e:
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log.fatal('failed to import {}: {}'.format(module_name, e))
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error = str(e)
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if not error:
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error = 'No such module'
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log.fatal('failed to import {}: {}'.format(module_name, error))
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return Error(config, module_name, error)
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class Module(core.input.Object):
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def __init__(self, config=None, widgets=[]):
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super().__init__()
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self._config = config
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self._widgets = widgets if isinstance(widgets, list) else [ widgets ]
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for widget in self._widgets:
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widget.module(self)
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self._name = None
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def parameter(self, key, default=None):
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value = default
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for prefix in [ self.name(), self.module_name() ]:
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value = self._config.get('{}.{}'.format(prefix, key), value)
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# TODO retrieve from config file
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return value
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def set(self, key, value):
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self._config.set('{}.{}'.format(self.name(), key), value)
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def update(self):
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pass
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def update_wrapper(self):
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try:
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self.update()
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except Exception as e:
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module = Error(self._config, 'error', str(e))
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self._widgets = [module.widget()]
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self.update = module.update
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def name(self):
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return self._name if self._name else self.module_name()
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def module_name(self):
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return self.__module__.split('.')[-1]
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def widgets(self, widgets=None):
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if widgets:
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self._widgets = widgets
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return self._widgets
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def widget(self, name=None):
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if not name: return self.widgets()[0]
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for w in self.widgets():
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if w.name() == name: return w
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return None
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def state(self, widget):
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return []
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def threshold_state(self, value, warn, crit):
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if value > float(self.parameter('critical', crit)):
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return 'critical'
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if value > float(self.parameter('warning', warn)):
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return 'warning'
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return None
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class Error(Module):
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def __init__(self, config, module, error):
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super().__init__(config, core.widget.Widget(self.full_text))
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self._module = module
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self._error = error
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self.set('scrolling.bounce', False)
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self.set('scrolling.speed', 2)
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self.set('width', 15)
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@core.decorators.scrollable
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def full_text(self, widget):
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return '{}: {}'.format(self._module, self._error)
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def state(self, widget):
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return ['critical']
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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