parse /proc/net/dev file to get network statistics.

net.py

import pprint

if __name__ == '__main__':
    proc_net_file = open('/proc/net/dev')
    
    field_values = {}
    
    for l in proc_net_file:
        if ':' in l:
            head_content = l.split(':')
            if len(head_content) > 1 and len(head_content[1]) > 0:
                field_values[head_content[0].strip()] = head_content[1].split()
    
    pprint.pprint(field_values)