### Author: Dag Wieers class dstat_plugin(dstat): """ Remaining battery time. Calculated from power drain and remaining battery power. Information is retrieved from ACPI. """ def __init__(self): self.name = 'remain' self.type = 't' self.width = 5 self.scale = 0 def vars(self): ret = [] for battery in os.listdir('/proc/acpi/battery/'): for line in dopen('/proc/acpi/battery/'+battery+'/state').readlines(): l = line.split() if len(l) < 2: continue if l[0] == 'present:' and l[1] == 'yes': ret.append(battery) ret.sort() return ret def nick(self): return [name.lower() for name in self.vars] def extract(self): for battery in self.vars: for line in dopen('/proc/acpi/battery/'+battery+'/state').readlines(): l = line.split() if len(l) < 3: continue if l[0:2] == ['remaining', 'capacity:']: remaining = int(l[2]) continue elif l[0:2] == ['present', 'rate:']: rate = int(l[2]) continue if rate and remaining: self.val[battery] = remaining * 60 / rate else: self.val[battery] = -1 # vim:ts=4:sw=4:et