scripts: runner: add build-time .conf parser
This parses generated_dts_board.conf and auto.conf, given a build
directory.
Signed-off-by: Marti Bolivar <marti@opensourcefoundries.com>
diff --git a/scripts/support/runner/core.py b/scripts/support/runner/core.py
index fcc0d80..cfb4036 100644
--- a/scripts/support/runner/core.py
+++ b/scripts/support/runner/core.py
@@ -143,6 +143,52 @@
return {int(b) for b in used_bytes}
+class BuildConfiguration:
+ '''This helper class provides access to build-time configuration.
+
+ Configuration options can be read as if the object were a dict,
+ either object['CONFIG_FOO'] or object.get('CONFIG_FOO').
+
+ Configuration values in .config and generated_dts_board.conf are
+ available.'''
+
+ def __init__(self, build_dir):
+ self.build_dir = build_dir
+ self.options = {}
+ self._init()
+
+ def __getitem__(self, item):
+ return self.options[item]
+
+ def get(self, option, *args):
+ return self.options.get(option, *args)
+
+ def _init(self):
+ build_z = os.path.join(self.build_dir, 'zephyr')
+ generated = os.path.join(build_z, 'include', 'generated')
+ files = [os.path.join(build_z, '.config'),
+ os.path.join(generated, 'generated_dts_board.conf')]
+ for f in files:
+ self._parse(f)
+
+ def _parse(self, filename):
+ with open(filename, 'r') as f:
+ for line in f:
+ line = line.strip()
+ if not line or line.startswith('#'):
+ continue
+ option, value = line.split('=', 1)
+ self.options[option] = self._parse_value(value)
+
+ def _parse_value(self, value):
+ if value.startswith('"') or value.startswith("'"):
+ return value.split()
+ try:
+ return int(value, 0)
+ except ValueError:
+ return value
+
+
class RunnerCaps:
'''This class represents a runner class's capabilities.
