#!/usr/bin/python

import sys

class Vendor(object):
    def __init__(self):
        self.name = ""
        self.num = ""
        self.devices = {}

class Device(object):
    def __init__(self):
        self.name = ""
        self.num = ""
        self.subvendors = {}
        self.vendor = ""

     
        
fn = "/usr/share/hwdata/pci.ids"

fo = open(fn, 'r')

vendors = {}
curvendor = None
curdevice = None
for line in fo.readlines():
    if line.startswith('#') or not line.strip():
        continue
    elif not line.startswith('\t'):
        curvendor = Vendor()
        curvendor.num = line[0:4]
        curvendor.name = line[6:-1]
        vendors[curvendor.num] = curvendor
        continue

    elif line.startswith('\t\t'):
        line = line.replace('\t', '')
        thisdev = Device()
        thisdev.vendor = line[0:4]
        thisdev.num = line[5:9]
        thisdev.name = line[11:-1]
        subvend = Vendor()
        subvend.num = thisdev.vendor
        subvend.name = ""

        if not curdevice.subvendors.has_key(subvend.num):
            curdevice.subvendors[subvend.num] = subvend
            subvend.devices[thisdev.num] = thisdev
        else:
            subvend = curdevice.subvendors[subvend.num]
            subvend.devices[thisdev.num] = thisdev
       
        continue

    elif line.startswith('\t'):
        line = line.replace('\t', '')
        curdevice = Device()
        curdevice.num = line[0:4]
        curdevice.name = line[6:-1]
        curdevice.vendor = curvendor.num
        curvendor.devices[curdevice.num] = curdevice
        continue        
    else:
        print line
        continue

vids = vendors.keys()
vids.sort()
for vid in vids:
    vend = vendors[vid]
    print '%s  %s' % (vend.num, vend.name)
    dids = vend.devices.keys()
    dids.sort()
    for did in dids:
        dev = vend.devices[did]
        print '\t%s  %s' % (dev.num, dev.name)
        svids = dev.subvendors.keys()
        svids.sort()
        for svid in svids:
            svend = dev.subvendors[svid]
            sdids = svend.devices.keys()
            sdids.sort()
            for subdevid in sdids:
                subdev = svend.devices[subdevid]
                print '\t\t%s %s  %s' % (subdev.vendor, subdev.num, subdev.name)