1 files changed, 46 insertions, 0 deletions
diff --git a/external/plyer/platforms/linux/battery.py b/external/plyer/platforms/linux/battery.py
new file mode 100644
index 0000000..0cdb763
--- /dev/null
+++ b/external/plyer/platforms/linux/battery.py
@@ -0,0 +1,46 @@
+from subprocess import Popen, PIPE
+from plyer.facades import Battery
+from plyer.utils import whereis_exe
+
+from os import environ
+
+
+class LinuxBattery(Battery):
+    def _get_state(self):
+        old_lang = environ.get('LANG')
+        environ['LANG'] = 'C'
+
+        status = {"isCharging": None, "percentage": None}
+
+        # We are supporting only one battery now
+        dev = "/org/freedesktop/UPower/device/battery_BAT0"
+        upower_process = Popen(["upower", "-d", dev],
+                stdout=PIPE)
+        output = upower_process.communicate()[0]
+
+        environ['LANG'] = old_lang
+
+        if not output:
+            return status
+
+        power_supply = percentage = None
+        for l in output.splitlines():
+            if 'power supply' in l:
+                power_supply = l.rpartition(':')[-1].strip()
+            if 'percentage' in l:
+                percentage = float(l.rpartition(':')[-1].strip()[:-1])
+
+        if(power_supply):
+            status['isCharging'] = power_supply != "yes"
+
+        status['percentage'] = percentage
+
+        return status
+
+
+def instance():
+    import sys
+    if whereis_exe('upower'):
+        return LinuxBattery()
+    sys.stderr.write("upower not found.")
+    return Battery()