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_linux_detect.py
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_linux_detect.py
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#-----------------------------------------------------------------------------
# Copyright (C) 2019 Alberto Sottile, Eric Larson
#
# Distributed under the terms of the 3-clause BSD License.
#-----------------------------------------------------------------------------
import subprocess
def theme():
try:
#Using the freedesktop specifications for checking dark mode
out = subprocess.run(
['gsettings', 'get', 'org.gnome.desktop.interface', 'color-scheme'],
capture_output=True)
stdout = out.stdout.decode()
#If not found then trying older gtk-theme method
if len(stdout)<1:
out = subprocess.run(
['gsettings', 'get', 'org.gnome.desktop.interface', 'gtk-theme'],
capture_output=True)
stdout = out.stdout.decode()
except Exception:
return 'Light'
# we have a string, now remove start and end quote
theme = stdout.lower().strip()[1:-1]
if '-dark' in theme.lower():
return 'Dark'
else:
return 'Light'
def isDark():
return theme() == 'Dark'
def isLight():
return theme() == 'Light'
# def listener(callback: typing.Callable[[str], None]) -> None:
def listener(callback):
with subprocess.Popen(
('gsettings', 'monitor', 'org.gnome.desktop.interface', 'gtk-theme'),
stdout=subprocess.PIPE,
universal_newlines=True,
) as p:
for line in p.stdout:
callback('Dark' if '-dark' in line.strip().removeprefix("gtk-theme: '").removesuffix("'").lower() else 'Light')