hwdb/acpi-update.py

   1 #!/usr/bin/python3
   2
   3 from html.parser import HTMLParser
   4 from enum import Enum
   5
   6 class State(Enum):
   7     NOWHERE = 0
   8     COMPANY = 1
   9     AFTER_COMPANY = 2
  10     PNPID = 3
  11     AFTER_PNPID = 4
  12     DATE = 5
  13
  14 class PNPTableParser(HTMLParser):
  15
  16     def __init__(self):
  17         HTMLParser.__init__(self)
  18         self.state = State.NOWHERE
  19         self.data = ""
  20         self.pnpid = None
  21         self.company = None
  22         self.table = []
  23
  24     def handle_starttag(self, tag, attrs):
  25
  26         if tag == "td":
  27             if self.state == State.NOWHERE:
  28                 self.state = State.COMPANY
  29             elif self.state == State.AFTER_COMPANY:
  30                 self.state = State.PNPID
  31             elif self.state == State.AFTER_PNPID:
  32                 self.state = State.DATE
  33             else:
  34                 raise Error("Unexpected field")
  35
  36             self.data = ""
  37
  38     def handle_endtag(self, tag):
  39
  40         if tag == "td":
  41             if self.state == State.COMPANY:
  42                 self.company = ' '.join(self.data.strip().split())
  43                 self.state = State.AFTER_COMPANY
  44             elif self.state == State.PNPID:
  45                 self.pnpid = self.data.strip()
  46                 self.state = State.AFTER_PNPID
  47                 self.table.append((self.pnpid, self.company))
  48             elif self.state == State.DATE:
  49                 self.state = State.NOWHERE
  50             else:
  51                 raise Error("Unexpected field")
  52
  53     def handle_data(self, data):
  54         self.data += data
  55
  56 def read_table(a):
  57
  58     parser = PNPTableParser()
  59
  60     for line in a:
  61         parser.feed(line)
  62
  63     parser.close()
  64     parser.table.sort()
  65
  66     for pnpid, company in parser.table:
  67         print("\nacpi:{0}*:\n ID_VENDOR_FROM_DATABASE={1}".format(pnpid, company))
  68
  69 a = open("acpi_id_registry.html")
  70 b = open("pnp_id_registry.html")
  71
  72 print('# This file is part of systemd.\n'
  73       '#\n'
  74       '# Data imported from:\n'
  75       '#     http://www.uefi.org/uefi-pnp-export\n'
  76       '#     http://www.uefi.org/uefi-acpi-export')
  77
  78 read_table(a)
  79 read_table(b)