mirror of
https://github.com/vcrhonek/hwdata
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added script for comparison of old and new pci.ids
This commit is contained in:
Michal Minar
150
compare-pci-ids.py
Executable file
150
compare-pci-ids.py
Executable file
@@ -0,0 +1,150 @@
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#!/usr/bin/env python
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import argparse
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import re
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import sys
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re_vendor = re.compile(r'^(?P<vendor_id>[0-9a-fA-F]{4})\s*(?P<vendor_name>.*)')
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re_vendev = re.compile(r'^\s*(?P<vendor_id>[0-9a-fA-F]{4})\s+'
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r'(?P<device_id>[0-9a-fA-F]{4})\s+(?P<device_name>.*)')
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re_device = re.compile(r'^\s+(?P<device_id>[0-9a-fA-F]{4})\s+'
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r'(?P<device_name>.*)')
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re_comment = re.compile(r'^(\s*#.*|\s*)$')
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def x2int(x):
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if isinstance(x, basestring): return int(x, 16)
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return x
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def parse_pci_file(ids_file, file_name):
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"""
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@return dictionary in format:
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{ vendor_id: ( vendor_name
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, { device_id : device_name
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, ... }
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)
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, ...
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}
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where
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vendor_id and device_id are integers
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"""
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res = {}
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vendor = None
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nested = {} # (vendor_id, {device_id, device_name})
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def _add_nested(file_name, line, vendor, dev_id, dev_name):
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dev_id = x2int(dev_id)
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if vendor not in nested:
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nested[vendor] = {}
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if dev_id in nested[vendor]:
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sys.stderr.write('Warning: device "%04x:%04x" redeclared!'
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' File: %s : %d\n'%(vendor, dev_id, file_name, line))
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nested[vendor][dev_id] = dev_name
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def _add_vendor(file_name, line, vendor_id, vendor_name):
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vendor = x2int(vendor_id)
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if vendor in res:
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sys.stderr.write('Warning: vendor "%04x" redeclared!'
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' File: %s : %d\n'%(vendor, file_name, line))
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res[vendor] = (vendor_name, res[vendor][1])
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else:
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res[vendor] = (vendor_name, {})
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if vendor in nested:
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for dev_id, dev_name in nested[vendor].items():
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_add_device(file_name, line,
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vendor, dev_id, dev_name)
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del nested[vendor]
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def _add_device(file_name, line, vendor, dev_id, dev_name):
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""" @note: does not check for a vendor """
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dev_id = x2int(dev_id)
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if dev_id in res[vendor][1]:
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sys.stderr.write('Warning: device "%04x:%04x" redeclared!'
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' File: %s : %d\n'%(vendor, dev_id, file_name, i))
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res[vendor][1][dev_id] = dev_name
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for i, l in enumerate(ids_file.readlines(), 1):
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if re_comment.match(l): continue
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m = re_vendor.match(l)
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if m:
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vendor = x2int(m.group('vendor_id'))
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_add_vendor(file_name, i, vendor, m.group('vendor_name'))
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continue
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m = re_vendev.match(l)
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if m:
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dev_vendor = x2int(m.group('vendor_id'))
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dev_id = x2int(m.group('device_id'))
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if vendor != dev_vendor and dev_vendor not in res:
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#sys.stderr.write('Warning: nested vendor of device "%x:%x"'
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#' does not match top level vendor "%x"! File: %s : %d\n' %(
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#dev_vendor, dev_id, vendor, file_name, i))
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_add_nested(file_name, i,
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dev_vendor, dev_id, m.group('device_name'))
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else:
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_add_device(file_name, i,
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dev_vendor, dev_id, m.group('device_name'))
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continue
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m = re_device.match(l)
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if m:
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_add_device(file_name, i,
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vendor, m.group('device_id'), m.group('device_name'))
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else:
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sys.stderr.write("Warning: not handled line: \"%s\"\n" % l[:-1])
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for vendor, devices in nested.items():
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sys.stderr.write('Warning: no name for vendor "%04x"! File: %s\n'%(
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vendor, file_name))
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res[vendor] = ('<UNKNOWN>', devices)
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return res
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description="Compare new pci.ids to old.")
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parser.add_argument('old', type=argparse.FileType('r'),
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help="old pci.ids file")
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parser.add_argument('new', type=argparse.FileType('r'),
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help="new pci.ids file")
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args = parser.parse_args()
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old = parse_pci_file(args.old, args.old.name)
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new = parse_pci_file(args.new, args.new.name)
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vendors_removed = 0
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vendors_added = 0
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vendors_renamed = 0
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devices_removed = 0
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devices_added = 0
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devices_renamed = 0
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for vendor, (vendor_name, devices) in old.items():
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if vendor not in new:
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vendors_removed += 1
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devices_removed += len(devices)
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else:
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if vendor_name != new[vendor][0]:
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vendors_renamed += 1
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for dev_id, dev_name in devices.items():
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if dev_id not in new[vendor]:
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devices_removed += 1
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elif dev_name != new[vendor][dev_id]:
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devices_renamed += 1
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for vendor, (vendor_name, devices) in new.items():
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if vendor not in old:
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vendors_added += 1
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devices_added += len(devices)
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else:
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for dev_id, dev_name in devices.items():
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if dev_id not in old[vendor]:
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devices_added += 1
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print "old vendor count: %d" % len(old)
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print "new vendor count: %d" % len(new)
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print "vendors added: %d" % vendors_added
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print "vendors removed: %d" % vendors_removed
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print "vendors renamed: %d" % vendors_renamed
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print "devices added: %d" % devices_added
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print "devices removed: %d" % devices_removed
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print "devices renamed: %d" % devices_renamed
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sys.exit(0)
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