|
|
@@ -0,0 +1,94 @@
|
|
|
+#!/usr/bin/env python
|
|
|
+#
|
|
|
+# Copyright 2019 Espressif Systems (Shanghai) PTE LTD
|
|
|
+#
|
|
|
+# Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
+# you may not use this file except in compliance with the License.
|
|
|
+# You may obtain a copy of the License at
|
|
|
+#
|
|
|
+# http:#www.apache.org/licenses/LICENSE-2.0
|
|
|
+#
|
|
|
+# Unless required by applicable law or agreed to in writing, software
|
|
|
+# distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
+# See the License for the specific language governing permissions and
|
|
|
+# limitations under the License.
|
|
|
+
|
|
|
+from __future__ import print_function
|
|
|
+from __future__ import unicode_literals
|
|
|
+from io import open
|
|
|
+import argparse
|
|
|
+import json
|
|
|
+import sys
|
|
|
+
|
|
|
+
|
|
|
+def _prepare_source_files(env_dict):
|
|
|
+ """
|
|
|
+ Prepares source files which are sourced from the main Kconfig because upstream kconfiglib doesn't support sourcing
|
|
|
+ a file list. The inputs are the same environment variables which are used by kconfiglib:
|
|
|
+ - COMPONENT_KCONFIGS,
|
|
|
+ - COMPONENT_KCONFIGS_SOURCE_FILE,
|
|
|
+ - COMPONENT_KCONFIGS_PROJBUILD,
|
|
|
+ - COMPONENT_KCONFIGS_PROJBUILD_SOURCE_FILE.
|
|
|
+
|
|
|
+ The outputs are written into files pointed by the value of
|
|
|
+ - COMPONENT_KCONFIGS_SOURCE_FILE,
|
|
|
+ - COMPONENT_KCONFIGS_PROJBUILD_SOURCE_FILE,
|
|
|
+
|
|
|
+ After running this function, COMPONENT_KCONFIGS_SOURCE_FILE and COMPONENT_KCONFIGS_PROJBUILD_SOURCE_FILE will
|
|
|
+ contain a list of source statements based on the content of COMPONENT_KCONFIGS and COMPONENT_KCONFIGS_PROJBUILD,
|
|
|
+ respectively. For example, if COMPONENT_KCONFIGS="var1 var2 var3" and
|
|
|
+ COMPONENT_KCONFIGS_SOURCE_FILE="/path/file.txt" then the content of file /path/file.txt will be:
|
|
|
+ source "var1"
|
|
|
+ source "var2"
|
|
|
+ source "var3"
|
|
|
+ """
|
|
|
+
|
|
|
+ def _dequote(var):
|
|
|
+ return var[1:-1] if len(var) > 0 and (var[0], var[-1]) == ('"',) * 2 else var
|
|
|
+
|
|
|
+ def _write_source_file(config_var, config_file):
|
|
|
+ new_content = '\n'.join(['source "{}"'.format(path) for path in _dequote(config_var).split()])
|
|
|
+ try:
|
|
|
+ with open(config_file, 'r', encoding='utf-8') as f:
|
|
|
+ old_content = f.read()
|
|
|
+ except Exception:
|
|
|
+ # File doesn't exist or other issue
|
|
|
+ old_content = ''
|
|
|
+
|
|
|
+ if new_content != old_content:
|
|
|
+ # write or rewrite file only if it is necessary
|
|
|
+ with open(config_file, 'w', encoding='utf-8') as f:
|
|
|
+ f.write(new_content)
|
|
|
+
|
|
|
+ try:
|
|
|
+ _write_source_file(env_dict['COMPONENT_KCONFIGS'], env_dict['COMPONENT_KCONFIGS_SOURCE_FILE'])
|
|
|
+ _write_source_file(env_dict['COMPONENT_KCONFIGS_PROJBUILD'], env_dict['COMPONENT_KCONFIGS_PROJBUILD_SOURCE_FILE'])
|
|
|
+ except KeyError as e:
|
|
|
+ print('Error:', e, 'is not defined!')
|
|
|
+ sys.exit(1)
|
|
|
+
|
|
|
+
|
|
|
+if __name__ == '__main__':
|
|
|
+
|
|
|
+ parser = argparse.ArgumentParser(description='Kconfig Source File Generator')
|
|
|
+
|
|
|
+ parser.add_argument('--env', action='append', default=[],
|
|
|
+ help='Environment value', metavar='NAME=VAL')
|
|
|
+
|
|
|
+ parser.add_argument('--env-file', type=argparse.FileType('r'),
|
|
|
+ help='Optional file to load environment variables from. Contents '
|
|
|
+ 'should be a JSON object where each key/value pair is a variable.')
|
|
|
+
|
|
|
+ args = parser.parse_args()
|
|
|
+
|
|
|
+ try:
|
|
|
+ env = dict([(name, value) for (name, value) in (e.split("=", 1) for e in args.env)])
|
|
|
+ except ValueError:
|
|
|
+ print("--env arguments must each contain =.")
|
|
|
+ sys.exit(1)
|
|
|
+
|
|
|
+ if args.env_file is not None:
|
|
|
+ env.update(json.load(args.env_file))
|
|
|
+
|
|
|
+ _prepare_source_files(env)
|
Angus Gratton