add uptime

Signed-off-by: Mattias Andrée <maandree@operamail.com>

1 files changed, 75 insertions, 0 deletions

diff --git a/src/plugins/uptime.py b/src/plugins/uptime.py
new file mode 100644
index 0000000..0979b7b
--- /dev/null
+++ b/src/plugins/uptime.py
@@ -0,0 +1,75 @@
+# -*- python -*-
+'''
+xpybar – xmobar replacement written in python
+Copyright © 2014  Mattias Andrée (maandree@member.fsf.org)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+'''
+
+from util import *
+
+
+class Uptime:
+    '''
+    The current uptime of the machine and how long it has been idle
+    
+    @variable  uptime:(days:int, hours:int, minutes:int, seconds:float)        Total uptime
+    @variable  total_idle:(days:int, hours:int, minutes:int, seconds:float)    Total processor idle time
+    @variable  average_idle:(days:int, hours:int, minutes:int, seconds:float)  Average processor idle time
+    '''
+    
+    cpu_count = None
+    '''
+    :int?  The number of processors on the machine
+    '''
+    
+    
+    def __init__(self):
+        '''
+        Constructor
+        '''
+        uptime = None
+        with open('/proc/uptime', 'rb') as file:
+            uptime = file.read()
+        uptime = uptime.decode('utf-8', 'replace')
+        uptime = uptime.replace('\n', ' ').split(' ')
+        uptime, idle = float(uptime[0]), float(uptime[1])
+        
+        if Uptime.cpu_count is None:
+            with open('/proc/cpuinfo', 'rb') as file:
+                Uptime.cpu_count = file.read()
+            Uptime.cpu_count = Uptime.cpu_count.decode('utf-8', 'replace').split('\n')
+            Uptime.cpu_count = filter(lambda line : 'processor' in line, Uptime.cpu_count)
+            Uptime.cpu_count = len(list(Uptime.cpu_count))
+        
+        self.uptime = Uptime.split_time(uptime)
+        self.total_idle = Uptime.split_time(idle)
+        self.average_idle = Uptime.split_time(idle / Uptime.cpu_count)
+    
+    
+    @staticmethod
+    def split_time(t):
+        '''
+        Split a large number of seconds to days, hours, minutes and seconds
+        
+        @param   t:float  The number of seconds
+        @return  :(days:int, hours:int, minutes:int, seconds:float)
+                     The time split into days, hours [0, 23], minutes [0, 59] and seconds [0, 60[
+        '''
+        seconds, t = t % 60, t // 60
+        minutes, t = int(t % 60), t // 60
+        hours, t = int(t % 24), t // 24
+        days = int(t)
+        return (days, hours, minutes, seconds)
+