103 lines
3.2 KiB
Python
103 lines
3.2 KiB
Python
# pylint: disable=C0111,R0903
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"""Displays the current color temperature of redshift
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Requires the following executable:
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* redshift
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Parameters:
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* redshift.location : location provider, either of 'auto' (default), 'geoclue2',
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'ipinfo' or 'manual'
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'auto' uses whatever redshift is configured to do
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* redshift.lat : latitude if location is set to 'manual'
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* redshift.lon : longitude if location is set to 'manual'
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"""
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import re
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import threading
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import core.module
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import core.widget
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import core.input
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import core.decorators
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import util.cli
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import util.location
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def get_redshift_value(module):
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widget = module.widget()
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location = module.parameter('location', 'auto')
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lat = module.parameter('lat', None)
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lon = module.parameter('lon', None)
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# Even if location method is set to manual, if we have no lat or lon,
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# fall back to the geoclue2 method.
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if location == 'manual' and (lat is None or lon is None):
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location = 'geoclue2'
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command = ['redshift', '-p']
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if location == 'manual':
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command.extend(['-l', '{}:{}'.format(lat, lon)])
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if location == 'geoclue2':
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command.extend(['-l', 'geoclue2'])
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try:
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res = util.cli.execute(' '.join(command))
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except Exception:
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res = ''
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widget.set('temp', 'n/a')
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widget.set('transition', '')
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widget.set('state', 'day')
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for line in res.split('\n'):
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line = line.lower()
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if 'temperature' in line:
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widget.set('temp', line.split(' ')[2])
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if 'period' in line:
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state = line.split(' ')[1]
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if 'day' in state:
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widget.set('state', 'day')
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elif 'night' in state:
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widget.set('state', 'night')
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else:
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widget.set('state', 'transition')
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match = re.search(r'(\d+)\.\d+% ([a-z]+)', line)
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widget.set('transition', '({}% {})'.format(match.group(1), match.group(2)))
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core.event.trigger('update', [ widget.module.id ], redraw_only=True)
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class Module(core.module.Module):
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@core.decorators.every(seconds=10)
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def __init__(self, config, theme):
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super().__init__(config, theme, core.widget.Widget(self.text))
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self.__thread = None
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if self.parameter('location', '') == 'ipinfo':
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# override lon/lat with ipinfo
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try:
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location = util.location.coordinates()
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self.set('lat', location[0])
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self.set('lon', location[1])
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self.set('location', 'manual')
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except Exception:
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# Fall back to geoclue2.
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self.set('location', 'geoclue2')
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self._text = ''
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def text(self, widget):
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val = widget.get('temp', 'n/a')
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transition = widget.get('transition', '')
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if transition:
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val = '{} {}'.format(val, transition)
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return val
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def update(self):
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if self.__thread is not None and self.__thread.isAlive():
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return
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self.__thread = threading.Thread(target=get_redshift_value, args=(self,))
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self.__thread.start()
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def state(self, widget):
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return widget.get('state', None)
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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