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check whether files exist

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This commit is contained in:
microarm15 2015-06-16 19:10:48 +02:00
parent 4742f74583
commit 46c6076f95
1 changed files with 10 additions and 4 deletions
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14
i3pystatus/network.py
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@ -199,12 +199,18 @@ class NetworkTraffic():
return self.pnic.packets_recv - self.pnic_before.packets_recv
def get_rx_tot_Mbytes(self, interface):
with open("/sys/class/net/{}/statistics/rx_bytes".format(interface)) as f:
return int(f.readline().split('\n')[0]) / (1024 * 1024)
try:
with open("/sys/class/net/{}/statistics/rx_bytes".format(interface)) as f:
return int(f.readline().split('\n')[0]) / (1024 * 1024)
except FileNotFoundError:
return False
def get_tx_tot_Mbytes(self, interface):
with open("/sys/class/net/{}/statistics/tx_bytes".format(interface)) as f:
return int(f.readline().split('\n')[0]) / (1024 * 1024)
try:
with open("/sys/class/net/{}/statistics/tx_bytes".format(interface)) as f:
return int(f.readline().split('\n')[0]) / (1024 * 1024)
except FileNotFoundError:
return False
def get_usage(self, interface):
self.update_counters(interface)