1 files changed, 79 insertions, 0 deletions
diff --git a/hwdb/acpi-update.py b/hwdb/acpi-update.py
new file mode 100755
index 0000000..2c23b05
--- /dev/null
+++ b/hwdb/acpi-update.py
@@ -0,0 +1,79 @@
+#!/usr/bin/env python3
+
+from html.parser import HTMLParser
+from enum import Enum
+
+class State(Enum):
+    NOWHERE = 0
+    COMPANY = 1
+    AFTER_COMPANY = 2
+    PNPID = 3
+    AFTER_PNPID = 4
+    DATE = 5
+
+class PNPTableParser(HTMLParser):
+
+    def __init__(self):
+        HTMLParser.__init__(self)
+        self.state = State.NOWHERE
+        self.data = ""
+        self.pnpid = None
+        self.company = None
+        self.table = []
+
+    def handle_starttag(self, tag, attrs):
+
+        if tag == "td":
+            if self.state == State.NOWHERE:
+                self.state = State.COMPANY
+            elif self.state == State.AFTER_COMPANY:
+                self.state = State.PNPID
+            elif self.state == State.AFTER_PNPID:
+                self.state = State.DATE
+            else:
+                raise ValueError
+
+            self.data = ""
+
+    def handle_endtag(self, tag):
+
+        if tag == "td":
+            if self.state == State.COMPANY:
+                self.company = ' '.join(self.data.strip().split())
+                self.state = State.AFTER_COMPANY
+            elif self.state == State.PNPID:
+                self.pnpid = self.data.strip()
+                self.state = State.AFTER_PNPID
+                self.table.append((self.pnpid, self.company))
+            elif self.state == State.DATE:
+                self.state = State.NOWHERE
+            else:
+                raise ValueError
+
+    def handle_data(self, data):
+        self.data += data
+
+def read_table(a):
+
+    parser = PNPTableParser()
+
+    for line in a:
+        parser.feed(line)
+
+    parser.close()
+    parser.table.sort()
+
+    for pnpid, company in parser.table:
+        print("\nacpi:{0}*:\n ID_VENDOR_FROM_DATABASE={1}".format(pnpid, company))
+
+a = open("acpi_id_registry.html")
+b = open("pnp_id_registry.html")
+
+print('# This file is part of systemd.\n'
+      '#\n'
+      '# Data imported from:\n'
+      '#     http://www.uefi.org/uefi-pnp-export\n'
+      '#     http://www.uefi.org/uefi-acpi-export')
+
+read_table(a)
+read_table(b)