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config.py: new command line commands set-all and unset-all

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The new method `Config.change_matching` and the new command-line
commands `set-all` and `unset-all` change a batch of existing boolean
settings to the desired state (active or inactive).

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2021-05-27 22:12:57 +02:00
parent a0ebaefef9
commit 8e90cf49ca
1 changed files with 23 additions and 0 deletions
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23
scripts/config.py
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@ -147,6 +147,15 @@ class Config:
setting.active = adapter(setting.name, setting.active,
setting.section)
def change_matching(self, regexs, enable):
"""Change all symbols matching one of the regexs to the desired state."""
if not regexs:
return
regex = re.compile('|'.join(regexs))
for setting in self.settings.values():
if regex.search(setting.name):
setting.active = enable
def is_full_section(section):
"""Is this section affected by "config.py full" and friends?"""
return section.endswith('support') or section.endswith('modules')
@ -454,11 +463,21 @@ if __name__ == '__main__':
parser_set.add_argument('symbol', metavar='SYMBOL')
parser_set.add_argument('value', metavar='VALUE', nargs='?',
default='')
parser_set_all = subparsers.add_parser('set-all',
help="""Uncomment all #define
whose name contains a match for
REGEX.""")
parser_set_all.add_argument('regexs', metavar='REGEX', nargs='*')
parser_unset = subparsers.add_parser('unset',
help="""Comment out the #define
for SYMBOL. Do nothing if none
is present.""")
parser_unset.add_argument('symbol', metavar='SYMBOL')
parser_unset_all = subparsers.add_parser('unset-all',
help="""Comment out all #define
whose name contains a match for
REGEX.""")
parser_unset_all.add_argument('regexs', metavar='REGEX', nargs='*')
def add_adapter(name, function, description):
subparser = subparsers.add_parser(name, help=description)
@ -505,8 +524,12 @@ if __name__ == '__main__':
.format(args.symbol, config.filename))
return 1
config.set(args.symbol, value=args.value)
elif args.command == 'set-all':
config.change_matching(args.regexs, True)
elif args.command == 'unset':
config.unset(args.symbol)
elif args.command == 'unset-all':
config.change_matching(args.regexs, False)
else:
config.adapt(args.adapter)
config.write(args.write)