113 lines
3.5 KiB
Python
113 lines
3.5 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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* redshift.show_transition: information about the transitions (x% day) defaults to True
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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.format
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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(
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"transition", "({}% {})".format(match.group(1), match.group(2))
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)
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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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self.show_transition = util.format.asbool(
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self.parameter("show_transition", True)
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)
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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 and self.show_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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