89 lines
2.6 KiB
Python
89 lines
2.6 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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"""
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import threading
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import bumblebee.input
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import bumblebee.output
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import bumblebee.engine
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def is_terminated():
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for thread in threading.enumerate():
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if thread.name == "MainThread" and not thread.is_alive():
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return True
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return False
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def get_redshift_value(widget):
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while True:
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if is_terminated():
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return
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widget.get("condition").acquire()
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while True:
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try:
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widget.get("condition").wait(1)
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except RuntimeError:
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continue
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break
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widget.get("condition").release()
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try:
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res = bumblebee.util.execute("redshift -p")
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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", None)
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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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widget.set("transition", " ".join(line.split(" ")[2:]))
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class Module(bumblebee.engine.Module):
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def __init__(self, engine, config):
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widget = bumblebee.output.Widget(full_text=self.text)
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super(Module, self).__init__(engine, config, widget)
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self._text = ""
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self._condition = threading.Condition()
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widget.set("condition", self._condition)
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self._thread = threading.Thread(target=get_redshift_value,
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args=(widget,))
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self._thread.start()
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self._condition.acquire()
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self._condition.notify()
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self._condition.release()
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def text(self, widget):
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return "{}".format(self._text)
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def update(self, widgets):
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widget = widgets[0]
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self._condition.acquire()
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self._condition.notify()
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self._condition.release()
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temp = widget.get("temp", "n/a")
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self._text = temp
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transition = widget.get("transition", None)
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if transition:
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self._text = "{} {}".format(temp, transition)
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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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