diff options
| -rw-r--r-- | README.rst | 4 | ||||
| -rwxr-xr-x | setconfig.py | 85 | ||||
| -rw-r--r-- | setup.py | 2 |
3 files changed, 90 insertions, 1 deletions
@@ -54,7 +54,7 @@ installed with e.g. Microsoft Windows is supported. The ``pip`` installation will give you both the base library and the following -executables. All but one mirror functionality available in the C tools. +executables. All but two mirror functionality available in the C tools. - `menuconfig <https://github.com/ulfalizer/Kconfiglib/blob/master/menuconfig.py>`_ @@ -74,6 +74,8 @@ executables. All but one mirror functionality available in the C tools. - `genconfig <https://github.com/ulfalizer/Kconfiglib/blob/master/genconfig.py>`_ +- `setconfig <https://github.com/ulfalizer/Kconfiglib/blob/master/setconfig.py>`_ + ``genconfig`` is intended to be run at build time. It generates a C header from the configuration and (optionally) information that can be used to rebuild only files that reference Kconfig symbols that have changed value. diff --git a/setconfig.py b/setconfig.py new file mode 100755 index 0000000..54f166b --- /dev/null +++ b/setconfig.py @@ -0,0 +1,85 @@ +#!/usr/bin/env python + +# Copyright (c) 2019, Ulf Magnusson +# SPDX-License-Identifier: ISC + +import argparse +import sys + +import kconfiglib + + +def main(): + parser = argparse.ArgumentParser(description=""" +Simple utility for setting configuration values from the command line. + +Sample usage: + + $ setconfig FOO_SUPPORT=y BAR_BITS=8 + +Note: Symbol names should not be prefixed with 'CONFIG_'. + +The exit status on errors is 1. + +The default input/output configuration file is '.config'. A different filename +can be passed in the KCONFIG_CONFIG environment variable. +""") + + parser.add_argument( + "--kconfig", + default="Kconfig", + help="Base Kconfig file (default: Kconfig)") + + parser.add_argument( + "--no-check-exists", + dest='check_exists', + action='store_false', + help="Ignore assignments to non-existent symbols instead of erroring " + "out") + + parser.add_argument( + "--no-check-value", + dest='check_value', + action='store_false', + help="Ignore assignments that didn't \"take\" (where the symbol got a " + "different value, e.g. due to unsatisfied dependencies) instead " + "of erroring out") + + parser.add_argument( + "assignments", + metavar="ASSIGNMENT", + nargs="*", + help="A 'NAME=value' assignments") + + args = parser.parse_args() + + kconf = kconfiglib.Kconfig(args.kconfig) + kconf.load_config() + + for arg in args.assignments: + if "=" not in arg: + sys.exit("error: no '=' in assignment: '{}'".format(arg)) + name, value = arg.split("=", 1) + + if name not in kconf.syms: + if not args.check_exists: + continue + sys.exit("error: no symbol '{}' in configuration".format(name)) + + sym = kconf.syms[name] + + if not sym.set_value(value): + sys.exit("error: '{}' is an invalid value for the {} symbol {}" + .format(value, kconfiglib.TYPE_TO_STR[sym.type], name)) + + if args.check_value and sym.str_value != value: + sys.exit("error: {} was assigned the value '{}', but got the " + "value '{}'. Check the symbol's dependencies, and make " + "sure that it has a prompt." + .format(name, value, sym.str_value)) + + kconf.write_config() + + +if __name__ == "__main__": + main() @@ -34,6 +34,7 @@ setuptools.setup( "allmodconfig", "allyesconfig", "listnewconfig", + "setconfig", ), # TODO: Don't install the menuconfig on Python 2. It won't run there. @@ -49,6 +50,7 @@ setuptools.setup( "allmodconfig = allmodconfig:main", "allyesconfig = allyesconfig:main", "listnewconfig = listnewconfig:main", + "setconfig = setconfig:main", ) }, |