1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
#!/usr/bin/python3
# -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
#
# This file is part of systemd. It is distrubuted under the MIT license, see
# below.
#
# Copyright 2016 Zbigniew Jędrzejewski-Szmek
#
# The MIT License (MIT)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import functools
import glob
import string
import sys
import os
try:
from pyparsing import (Word, White, Literal, ParserElement, Regex,
LineStart, LineEnd,
ZeroOrMore, OneOrMore, Combine, Or, Optional, Suppress, Group,
nums, alphanums, printables,
stringEnd, pythonStyleComment,
ParseBaseException)
except ImportError:
print('pyparsing is not available')
sys.exit(77)
try:
from evdev.ecodes import ecodes
except ImportError:
ecodes = None
print('WARNING: evdev is not available')
EOL = LineEnd().suppress()
EMPTYLINE = LineStart() + LineEnd()
COMMENTLINE = pythonStyleComment + EOL
INTEGER = Word(nums)
REAL = Combine((INTEGER + Optional('.' + Optional(INTEGER))) ^ ('.' + INTEGER))
UDEV_TAG = Word(string.ascii_uppercase, alphanums + '_')
TYPES = {'mouse': ('usb', 'bluetooth', 'ps2', '*'),
'evdev': ('name', 'atkbd', 'input'),
'touchpad': ('i8042', 'rmi', 'bluetooth', 'usb'),
'keyboard': ('name', ),
}
@functools.lru_cache()
def hwdb_grammar():
ParserElement.setDefaultWhitespaceChars('')
prefix = Or(category + ':' + Or(conn) + ':'
for category, conn in TYPES.items())
matchline = Combine(prefix + Word(printables + ' ' + '®')) + EOL
propertyline = (White(' ', exact=1).suppress() +
Combine(UDEV_TAG - '=' - Word(alphanums + '_=:@*.! ') - Optional(pythonStyleComment)) +
EOL)
propertycomment = White(' ', exact=1) + pythonStyleComment + EOL
group = (OneOrMore(matchline('MATCHES*') ^ COMMENTLINE.suppress()) -
OneOrMore(propertyline('PROPERTIES*') ^ propertycomment.suppress()) -
(EMPTYLINE ^ stringEnd()).suppress() )
commentgroup = OneOrMore(COMMENTLINE).suppress() - EMPTYLINE.suppress()
grammar = OneOrMore(group('GROUPS*') ^ commentgroup) + stringEnd()
return grammar
@functools.lru_cache()
def property_grammar():
ParserElement.setDefaultWhitespaceChars(' ')
setting = Optional('*')('DEFAULT') + INTEGER('DPI') + Suppress('@') + INTEGER('HZ')
props = (('MOUSE_DPI', Group(OneOrMore(setting('SETTINGS*')))),
('MOUSE_WHEEL_CLICK_ANGLE', INTEGER),
('MOUSE_WHEEL_CLICK_ANGLE_HORIZONTAL', INTEGER),
('ID_INPUT_TRACKBALL', Literal('1')),
('POINTINGSTICK_SENSITIVITY', INTEGER),
('POINTINGSTICK_CONST_ACCEL', REAL),
('ID_INPUT_TOUCHPAD_INTEGRATION', Or(('internal', 'external'))),
)
fixed_props = [Literal(name)('NAME') - Suppress('=') - val('VALUE')
for name, val in props]
kbd_props = [Regex(r'KEYBOARD_KEY_[0-9a-f]+')('NAME')
- Suppress('=') -
('!' ^ (Optional('!') - Word(alphanums + '_')))('VALUE')
]
abs_props = [Regex(r'EVDEV_ABS_[0-9a-f]{2}')('NAME')
- Suppress('=') -
Word(nums + ':')('VALUE')
]
grammar = Or(fixed_props + kbd_props + abs_props)
return grammar
ERROR = False
def error(fmt, *args, **kwargs):
global ERROR
ERROR = True
print(fmt.format(*args, **kwargs))
def convert_properties(group):
matches = [m[0] for m in group.MATCHES]
props = [p[0] for p in group.PROPERTIES]
return matches, props
def parse(fname):
grammar = hwdb_grammar()
try:
parsed = grammar.parseFile(fname)
except ParseBaseException as e:
error('Cannot parse {}: {}', fname, e)
return []
return [convert_properties(g) for g in parsed.GROUPS]
def check_match_uniqueness(groups):
matches = sum((group[0] for group in groups), [])
matches.sort()
prev = None
for match in matches:
if match == prev:
error('Match {!r} is duplicated', match)
prev = match
def check_one_default(prop, settings):
defaults = [s for s in settings if s.DEFAULT]
if len(defaults) > 1:
error('More than one star entry: {!r}', prop)
def check_one_keycode(prop, value):
if value != '!' and ecodes is not None:
key = 'KEY_' + value.upper()
if key not in ecodes:
error('Keycode {} unknown', key)
def check_properties(groups):
grammar = property_grammar()
for matches, props in groups:
prop_names = set()
for prop in props:
# print('--', prop)
prop = prop.partition('#')[0].rstrip()
try:
parsed = grammar.parseString(prop)
except ParseBaseException as e:
error('Failed to parse: {!r}', prop)
continue
# print('{!r}'.format(parsed))
if parsed.NAME in prop_names:
error('Property {} is duplicated', parsed.NAME)
prop_names.add(parsed.NAME)
if parsed.NAME == 'MOUSE_DPI':
check_one_default(prop, parsed.VALUE.SETTINGS)
elif parsed.NAME.startswith('KEYBOARD_KEY_'):
check_one_keycode(prop, parsed.VALUE)
def print_summary(fname, groups):
print('{}: {} match groups, {} matches, {} properties'
.format(fname,
len(groups),
sum(len(matches) for matches, props in groups),
sum(len(props) for matches, props in groups),
))
if __name__ == '__main__':
args = sys.argv[1:] or glob.glob(os.path.dirname(sys.argv[0]) + '/[67]0-*.hwdb')
for fname in args:
groups = parse(fname)
print_summary(fname, groups)
check_match_uniqueness(groups)
check_properties(groups)
sys.exit(ERROR)
|
