prahladyeri · September 10, 2017 03:50 · Sep 10, 2017
diff --git a/batteryboy b/batteryboy
@@ -0,0 +1,88 @@
+#!/usr/bin/env python3
+import sys
+import subprocess, os
+from time import sleep, time
+
+__author__ = "Prahlad Yeri"
+__version__ = "1.0.7"
+
+def execute_shell(command, error=''):
+    return execute(command, wait=True, shellexec=True, errorstring=error)
+
+def execute(command='', errorstring='', wait=True, shellexec=False, ags=None):
+    try:
+        if (shellexec):
+            p=subprocess.Popen(command, shell=True,stdout=subprocess.PIPE,stderr=subprocess.PIPE)
+        else:
+            p=subprocess.Popen(args=ags)
+	#test
+        if wait:
+            p.wait()
+            result=get_stdout(p)
+            return result
+        else:
+            return p
+    except subprocess.CalledProcessError as e:
+        print ('error occured:' + errorstring)
+        return errorstring
+    except Exception as ea:
+        print ('Exception occured:' + str(ea))
+        return errorstring
+        #show_message("Error occured: " + ea.message)
+
+
+def get_stdout(pi):
+    result = pi.communicate()
+    if len(result[0])>0:
+        return result[0]
+    else:
+        return result[1] #some error has occured
+
+def killall(process):
+	cnt=0
+	pid =is_process_running(process)
+	while pid!=0:
+		execute_shell('kill ' + str(pid))
+		pid =is_process_running(process)
+		cnt+=1
+	return cnt
+
+def batt_per():
+	cmd = "upower -i /org/freedesktop/UPower/devices/battery_BAT0"
+	r = execute_shell(cmd)
+	for line in r.splitlines():
+		if line.strip().startswith(b'percentage:'):
+			per = line.strip().split(b'percentage:')[1].strip().replace(b'%',b'')
+			return float(per)
+
+if __name__ == "__main__":
+	print("Batteryboy v" + __version__);
+	print("Waiting for battery data to change.\n");
+	last_checked = 0
+	last_per, per = 0, 0
+	last_changed = 0
+	total, tottime, average = 0, 0, 0
+	start = time()
+	is_first_time = True
+	while(True):
+		if (time() - last_checked) > 2: #check again
+			tottime = time() - start
+			per = batt_per()
+			if last_per > 0 and per != last_per:
+				consumed = last_per - per
+				if consumed < 0:
+					print("Negative consumption found. Is battery plugged in?")
+					break
+				seconds = time()-last_changed
+				if consumed > 1: seconds = seconds/consumed
+				if not is_first_time:
+					total += consumed
+					average = (total/(tottime/60/60))
+					print("Used ~1%% in %d secs. Remaining: %d%%, Total consumed: %d%%, Average consumed: %0.2f%% per hour." % (seconds, per, total, average))
+				is_first_time = False
+				last_changed = time()
+			elif last_per == 0:
+				pass
+			last_per = per
+			last_checked = time()
+			if last_changed ==0: last_changed = last_checked
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