mirror of
https://github.com/espressif/esp-idf.git
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65a302a6f6
All old symbols will now be included in the output when renaming multiple symbols to the same new symbol.
605 lines
24 KiB
Python
Executable File
605 lines
24 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Command line tool to take in ESP-IDF sdkconfig files with project
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# settings and output data in multiple formats (update config, generate
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# header file, generate .cmake include file, documentation, etc).
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#
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# Used internally by the ESP-IDF build system. But designed to be
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# non-IDF-specific.
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#
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# SPDX-FileCopyrightText: 2018-2021 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Apache-2.0
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import argparse
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import json
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import os
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import os.path
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import re
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import sys
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import tempfile
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import textwrap
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from collections import defaultdict
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import gen_kconfig_doc
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import kconfiglib
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from future.utils import iteritems
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__version__ = '0.1'
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class DeprecatedOptions(object):
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_REN_FILE = 'sdkconfig.rename'
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_DEP_OP_BEGIN = '# Deprecated options for backward compatibility'
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_DEP_OP_END = '# End of deprecated options'
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_RE_DEP_OP_BEGIN = re.compile(_DEP_OP_BEGIN)
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_RE_DEP_OP_END = re.compile(_DEP_OP_END)
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def __init__(self, config_prefix, path_rename_files=[]):
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self.config_prefix = config_prefix
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# r_dic maps deprecated options to new options; rev_r_dic maps in the opposite direction
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self.r_dic, self.rev_r_dic = self._parse_replacements(path_rename_files)
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# note the '=' at the end of regex for not getting partial match of configs
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self._RE_CONFIG = re.compile(r'{}(\w+)='.format(self.config_prefix))
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def _parse_replacements(self, repl_paths):
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rep_dic = {}
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rev_rep_dic = defaultdict(list)
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def remove_config_prefix(string):
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if string.startswith(self.config_prefix):
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return string[len(self.config_prefix):]
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raise RuntimeError('Error in {} (line {}): Config {} is not prefixed with {}'
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''.format(rep_path, line_number, string, self.config_prefix))
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for rep_path in repl_paths:
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with open(rep_path) as f_rep:
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for line_number, line in enumerate(f_rep, start=1):
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sp_line = line.split()
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if len(sp_line) == 0 or sp_line[0].startswith('#'):
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# empty line or comment
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continue
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if len(sp_line) != 2 or not all(x.startswith(self.config_prefix) for x in sp_line):
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raise RuntimeError('Syntax error in {} (line {})'.format(rep_path, line_number))
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if sp_line[0] in rep_dic:
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raise RuntimeError('Error in {} (line {}): Replacement {} exist for {} and new '
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'replacement {} is defined'.format(rep_path, line_number,
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rep_dic[sp_line[0]], sp_line[0],
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sp_line[1]))
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(dep_opt, new_opt) = (remove_config_prefix(x) for x in sp_line)
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rep_dic[dep_opt] = new_opt
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rev_rep_dic[new_opt].append(dep_opt)
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return rep_dic, rev_rep_dic
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def get_deprecated_option(self, new_option):
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return self.rev_r_dic.get(new_option, [])
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def get_new_option(self, deprecated_option):
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return self.r_dic.get(deprecated_option, None)
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def replace(self, sdkconfig_in, sdkconfig_out):
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replace_enabled = True
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with open(sdkconfig_in, 'r') as f_in, open(sdkconfig_out, 'w') as f_out:
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for line_num, line in enumerate(f_in, start=1):
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if self._RE_DEP_OP_BEGIN.search(line):
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replace_enabled = False
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elif self._RE_DEP_OP_END.search(line):
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replace_enabled = True
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elif replace_enabled:
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m = self._RE_CONFIG.search(line)
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if m and m.group(1) in self.r_dic:
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depr_opt = self.config_prefix + m.group(1)
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new_opt = self.config_prefix + self.r_dic[m.group(1)]
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line = line.replace(depr_opt, new_opt)
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print('{}:{} {} was replaced with {}'.format(sdkconfig_in, line_num, depr_opt, new_opt))
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f_out.write(line)
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def append_doc(self, config, visibility, path_output):
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def option_was_written(opt):
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# named choices were written if any of the symbols in the choice were visible
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if new_opt in config.named_choices:
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syms = config.named_choices[new_opt].syms
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for s in syms:
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if any(visibility.visible(node) for node in s.nodes):
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return True
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return False
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else:
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try:
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# otherwise if any of the nodes associated with the option was visible
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return any(visibility.visible(node) for node in config.syms[opt].nodes)
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except KeyError:
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return False
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if len(self.r_dic) > 0:
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with open(path_output, 'a') as f_o:
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header = 'Deprecated options and their replacements'
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f_o.write('.. _configuration-deprecated-options:\n\n{}\n{}\n\n'.format(header, '-' * len(header)))
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for dep_opt in sorted(self.r_dic):
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new_opt = self.r_dic[dep_opt]
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if option_was_written(new_opt) and (new_opt not in config.syms or config.syms[new_opt].choice is None):
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# everything except config for a choice (no link reference for those in the docs)
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f_o.write('- {}{} (:ref:`{}{}`)\n'.format(config.config_prefix, dep_opt,
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config.config_prefix, new_opt))
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if new_opt in config.named_choices:
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# here are printed config options which were filtered out
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syms = config.named_choices[new_opt].syms
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for sym in syms:
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if sym.name in self.rev_r_dic:
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# only if the symbol has been renamed
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dep_names = self.rev_r_dic[sym.name]
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dep_names = [config.config_prefix + name for name in dep_names]
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# config options doesn't have references
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f_o.write(' - {}\n'.format(', '.join(dep_names)))
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def append_config(self, config, path_output):
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tmp_list = []
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def append_config_node_process(node):
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item = node.item
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if isinstance(item, kconfiglib.Symbol) and item.env_var is None:
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if item.name in self.rev_r_dic:
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c_string = item.config_string
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if c_string:
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for dep_name in self.rev_r_dic[item.name]:
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tmp_list.append(c_string.replace(self.config_prefix + item.name,
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self.config_prefix + dep_name))
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for n in config.node_iter():
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append_config_node_process(n)
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if len(tmp_list) > 0:
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with open(path_output, 'a') as f_o:
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f_o.write('\n{}\n'.format(self._DEP_OP_BEGIN))
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f_o.writelines(tmp_list)
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f_o.write('{}\n'.format(self._DEP_OP_END))
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def append_header(self, config, path_output):
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def _opt_defined(opt):
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if not opt.visibility:
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return False
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return not (opt.orig_type in (kconfiglib.BOOL, kconfiglib.TRISTATE) and opt.str_value == 'n')
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if len(self.r_dic) > 0:
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with open(path_output, 'a') as f_o:
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f_o.write('\n/* List of deprecated options */\n')
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for dep_opt in sorted(self.r_dic):
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new_opt = self.r_dic[dep_opt]
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if new_opt in config.syms and _opt_defined(config.syms[new_opt]):
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f_o.write('#define {}{} {}{}\n'.format(self.config_prefix, dep_opt, self.config_prefix, new_opt))
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def dict_enc_for_env(dic, encoding=sys.getfilesystemencoding() or 'utf-8'):
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"""
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This function can be deleted after dropping support for Python 2.
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There is no rule for it that environment variables cannot be Unicode but usually people try to avoid it.
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The upstream kconfiglib cannot detect strings properly if the environment variables are "unicode". This is problem
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only in Python 2.
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"""
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if sys.version_info[0] >= 3:
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return dic
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ret = dict()
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for (key, value) in iteritems(dic):
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ret[key.encode(encoding)] = value.encode(encoding)
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return ret
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def main():
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parser = argparse.ArgumentParser(description='confgen.py v%s - Config Generation Tool' % __version__, prog=os.path.basename(sys.argv[0]))
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parser.add_argument('--config',
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help='Project configuration settings',
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nargs='?',
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default=None)
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parser.add_argument('--defaults',
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help='Optional project defaults file, used if --config file doesn\'t exist. '
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'Multiple files can be specified using multiple --defaults arguments.',
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nargs='?',
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default=[],
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action='append')
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parser.add_argument('--kconfig',
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help='KConfig file with config item definitions',
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required=True)
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parser.add_argument('--sdkconfig-rename',
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help='File with deprecated Kconfig options',
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required=False)
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parser.add_argument('--dont-write-deprecated',
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help='Do not write compatibility statements for deprecated values',
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action='store_true')
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parser.add_argument('--output', nargs=2, action='append',
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help='Write output file (format and output filename)',
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metavar=('FORMAT', 'FILENAME'),
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default=[])
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parser.add_argument('--env', action='append', default=[],
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help='Environment to set when evaluating the config file', metavar='NAME=VAL')
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parser.add_argument('--env-file', type=argparse.FileType('r'),
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help='Optional file to load environment variables from. Contents '
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'should be a JSON object where each key/value pair is a variable.')
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parser.add_argument('--list-separator', choices=['space', 'semicolon'],
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default='space',
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help='Separator used in environment list variables (COMPONENT_SDKCONFIG_RENAMES)')
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args = parser.parse_args()
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for fmt, filename in args.output:
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if fmt not in OUTPUT_FORMATS.keys():
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print("Format '%s' not recognised. Known formats: %s" % (fmt, OUTPUT_FORMATS.keys()))
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sys.exit(1)
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try:
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args.env = [(name,value) for (name,value) in (e.split('=',1) for e in args.env)]
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except ValueError:
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print("--env arguments must each contain =. To unset an environment variable, use 'ENV='")
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sys.exit(1)
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for name, value in args.env:
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os.environ[name] = value
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if args.env_file is not None:
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env = json.load(args.env_file)
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os.environ.update(dict_enc_for_env(env))
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config = kconfiglib.Kconfig(args.kconfig)
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config.warn_assign_redun = False
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config.warn_assign_override = False
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sdkconfig_renames_sep = ';' if args.list_separator == 'semicolon' else ' '
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sdkconfig_renames = [args.sdkconfig_rename] if args.sdkconfig_rename else []
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sdkconfig_renames_from_env = os.environ.get('COMPONENT_SDKCONFIG_RENAMES')
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if sdkconfig_renames_from_env:
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sdkconfig_renames += sdkconfig_renames_from_env.split(sdkconfig_renames_sep)
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deprecated_options = DeprecatedOptions(config.config_prefix, path_rename_files=sdkconfig_renames)
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if len(args.defaults) > 0:
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def _replace_empty_assignments(path_in, path_out):
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with open(path_in, 'r') as f_in, open(path_out, 'w') as f_out:
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for line_num, line in enumerate(f_in, start=1):
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line = line.strip()
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if line.endswith('='):
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line += 'n'
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print('{}:{} line was updated to {}'.format(path_out, line_num, line))
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f_out.write(line)
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f_out.write('\n')
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# always load defaults first, so any items which are not defined in that config
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# will have the default defined in the defaults file
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for name in args.defaults:
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print('Loading defaults file %s...' % name)
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if not os.path.exists(name):
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raise RuntimeError('Defaults file not found: %s' % name)
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try:
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with tempfile.NamedTemporaryFile(prefix='confgen_tmp', delete=False) as f:
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temp_file1 = f.name
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with tempfile.NamedTemporaryFile(prefix='confgen_tmp', delete=False) as f:
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temp_file2 = f.name
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deprecated_options.replace(sdkconfig_in=name, sdkconfig_out=temp_file1)
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_replace_empty_assignments(temp_file1, temp_file2)
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config.load_config(temp_file2, replace=False)
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finally:
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try:
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os.remove(temp_file1)
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os.remove(temp_file2)
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except OSError:
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pass
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# If config file previously exists, load it
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if args.config and os.path.exists(args.config):
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# ... but replace deprecated options before that
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with tempfile.NamedTemporaryFile(prefix='confgen_tmp', delete=False) as f:
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temp_file = f.name
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try:
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deprecated_options.replace(sdkconfig_in=args.config, sdkconfig_out=temp_file)
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config.load_config(temp_file, replace=False)
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update_if_changed(temp_file, args.config)
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finally:
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try:
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os.remove(temp_file)
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except OSError:
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pass
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if args.dont_write_deprecated:
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# The deprecated object was useful until now for replacements. Now it will be redefined with no configurations
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# and as the consequence, it won't generate output with deprecated statements.
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deprecated_options = DeprecatedOptions('', path_rename_files=[])
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# Output the files specified in the arguments
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for output_type, filename in args.output:
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with tempfile.NamedTemporaryFile(prefix='confgen_tmp', delete=False) as f:
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temp_file = f.name
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try:
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output_function = OUTPUT_FORMATS[output_type]
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output_function(deprecated_options, config, temp_file)
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update_if_changed(temp_file, filename)
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finally:
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try:
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os.remove(temp_file)
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except OSError:
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pass
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def write_config(deprecated_options, config, filename):
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CONFIG_HEADING = """#
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# Automatically generated file. DO NOT EDIT.
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# Espressif IoT Development Framework (ESP-IDF) Project Configuration
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#
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"""
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config.write_config(filename, header=CONFIG_HEADING)
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deprecated_options.append_config(config, filename)
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def write_min_config(deprecated_options, config, filename):
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target_symbol = config.syms['IDF_TARGET']
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# 'esp32` is harcoded here because the default value of IDF_TARGET is set on the first run from the environment
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# variable. I.E. `esp32 is not defined as default value.
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write_target = target_symbol.str_value != 'esp32'
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CONFIG_HEADING = textwrap.dedent('''\
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# This file was generated using idf.py save-defconfig. It can be edited manually.
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# Espressif IoT Development Framework (ESP-IDF) Project Minimal Configuration
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#
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{}\
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'''.format(target_symbol.config_string if write_target else ''))
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config.write_min_config(filename, header=CONFIG_HEADING)
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def write_header(deprecated_options, config, filename):
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CONFIG_HEADING = """/*
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* Automatically generated file. DO NOT EDIT.
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* Espressif IoT Development Framework (ESP-IDF) Configuration Header
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*/
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#pragma once
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"""
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config.write_autoconf(filename, header=CONFIG_HEADING)
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deprecated_options.append_header(config, filename)
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def write_cmake(deprecated_options, config, filename):
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with open(filename, 'w') as f:
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tmp_dep_list = []
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write = f.write
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prefix = config.config_prefix
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write("""#
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# Automatically generated file. DO NOT EDIT.
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# Espressif IoT Development Framework (ESP-IDF) Configuration cmake include file
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#
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""")
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configs_list = list()
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def write_node(node):
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sym = node.item
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if not isinstance(sym, kconfiglib.Symbol):
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return
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if sym.config_string:
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val = sym.str_value
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if sym.orig_type in (kconfiglib.BOOL, kconfiglib.TRISTATE) and val == 'n':
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val = '' # write unset values as empty variables
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elif sym.orig_type == kconfiglib.STRING:
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val = kconfiglib.escape(val)
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elif sym.orig_type == kconfiglib.HEX:
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val = hex(int(val, 16)) # ensure 0x prefix
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write('set({}{} "{}")\n'.format(prefix, sym.name, val))
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configs_list.append(prefix + sym.name)
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dep_opts = deprecated_options.get_deprecated_option(sym.name)
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for opt in dep_opts:
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tmp_dep_list.append('set({}{} "{}")\n'.format(prefix, opt, val))
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configs_list.append(prefix + opt)
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for n in config.node_iter():
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write_node(n)
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write('set(CONFIGS_LIST {})'.format(';'.join(configs_list)))
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if len(tmp_dep_list) > 0:
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write('\n# List of deprecated options for backward compatibility\n')
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f.writelines(tmp_dep_list)
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def get_json_values(config):
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config_dict = {}
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def write_node(node):
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sym = node.item
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if not isinstance(sym, kconfiglib.Symbol):
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return
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if sym.config_string:
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val = sym.str_value
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if sym.type in [kconfiglib.BOOL, kconfiglib.TRISTATE]:
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val = (val != 'n')
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elif sym.type == kconfiglib.HEX:
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val = int(val, 16)
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elif sym.type == kconfiglib.INT:
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val = int(val)
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config_dict[sym.name] = val
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for n in config.node_iter(False):
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write_node(n)
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return config_dict
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def write_json(deprecated_options, config, filename):
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config_dict = get_json_values(config)
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with open(filename, 'w') as f:
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json.dump(config_dict, f, indent=4, sort_keys=True)
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def get_menu_node_id(node):
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""" Given a menu node, return a unique id
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which can be used to identify it in the menu structure
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Will either be the config symbol name, or a menu identifier
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'slug'
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"""
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try:
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if not isinstance(node.item, kconfiglib.Choice):
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return node.item.name
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except AttributeError:
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pass
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result = []
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while node.parent is not None:
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slug = re.sub(r'\W+', '-', node.prompt[0]).lower()
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result.append(slug)
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node = node.parent
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result = '-'.join(reversed(result))
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return result
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def write_json_menus(deprecated_options, config, filename):
|
|
existing_ids = set()
|
|
result = [] # root level items
|
|
node_lookup = {} # lookup from MenuNode to an item in result
|
|
|
|
def write_node(node):
|
|
try:
|
|
json_parent = node_lookup[node.parent]['children']
|
|
except KeyError:
|
|
assert node.parent not in node_lookup # if fails, we have a parent node with no "children" entity (ie a bug)
|
|
json_parent = result # root level node
|
|
|
|
# node.kconfig.y means node has no dependency,
|
|
if node.dep is node.kconfig.y:
|
|
depends = None
|
|
else:
|
|
depends = kconfiglib.expr_str(node.dep)
|
|
|
|
try:
|
|
# node.is_menuconfig is True in newer kconfiglibs for menus and choices as well
|
|
is_menuconfig = node.is_menuconfig and isinstance(node.item, kconfiglib.Symbol)
|
|
except AttributeError:
|
|
is_menuconfig = False
|
|
|
|
new_json = None
|
|
if node.item == kconfiglib.MENU or is_menuconfig:
|
|
new_json = {'type': 'menu',
|
|
'title': node.prompt[0],
|
|
'depends_on': depends,
|
|
'children': [],
|
|
}
|
|
if is_menuconfig:
|
|
sym = node.item
|
|
new_json['name'] = sym.name
|
|
new_json['help'] = node.help
|
|
new_json['is_menuconfig'] = is_menuconfig
|
|
greatest_range = None
|
|
if len(sym.ranges) > 0:
|
|
# Note: Evaluating the condition using kconfiglib's expr_value
|
|
# should have one condition which is true
|
|
for min_range, max_range, cond_expr in sym.ranges:
|
|
if kconfiglib.expr_value(cond_expr):
|
|
greatest_range = [min_range, max_range]
|
|
new_json['range'] = greatest_range
|
|
|
|
elif isinstance(node.item, kconfiglib.Symbol):
|
|
sym = node.item
|
|
greatest_range = None
|
|
if len(sym.ranges) > 0:
|
|
# Note: Evaluating the condition using kconfiglib's expr_value
|
|
# should have one condition which is true
|
|
for min_range, max_range, cond_expr in sym.ranges:
|
|
if kconfiglib.expr_value(cond_expr):
|
|
base = 16 if sym.type == kconfiglib.HEX else 10
|
|
greatest_range = [int(min_range.str_value, base), int(max_range.str_value, base)]
|
|
break
|
|
|
|
new_json = {
|
|
'type': kconfiglib.TYPE_TO_STR[sym.type],
|
|
'name': sym.name,
|
|
'title': node.prompt[0] if node.prompt else None,
|
|
'depends_on': depends,
|
|
'help': node.help,
|
|
'range': greatest_range,
|
|
'children': [],
|
|
}
|
|
elif isinstance(node.item, kconfiglib.Choice):
|
|
choice = node.item
|
|
new_json = {
|
|
'type': 'choice',
|
|
'title': node.prompt[0],
|
|
'name': choice.name,
|
|
'depends_on': depends,
|
|
'help': node.help,
|
|
'children': []
|
|
}
|
|
|
|
if new_json:
|
|
node_id = get_menu_node_id(node)
|
|
if node_id in existing_ids:
|
|
raise RuntimeError('Config file contains two items with the same id: %s (%s). ' +
|
|
'Please rename one of these items to avoid ambiguity.' % (node_id, node.prompt[0]))
|
|
new_json['id'] = node_id
|
|
|
|
json_parent.append(new_json)
|
|
node_lookup[node] = new_json
|
|
|
|
for n in config.node_iter():
|
|
write_node(n)
|
|
with open(filename, 'w') as f:
|
|
f.write(json.dumps(result, sort_keys=True, indent=4))
|
|
|
|
|
|
def write_docs(deprecated_options, config, filename):
|
|
try:
|
|
target = os.environ['IDF_TARGET']
|
|
except KeyError:
|
|
print('IDF_TARGET environment variable must be defined!')
|
|
sys.exit(1)
|
|
|
|
visibility = gen_kconfig_doc.ConfigTargetVisibility(config, target)
|
|
gen_kconfig_doc.write_docs(config, visibility, filename)
|
|
deprecated_options.append_doc(config, visibility, filename)
|
|
|
|
|
|
def update_if_changed(source, destination):
|
|
with open(source, 'r') as f:
|
|
source_contents = f.read()
|
|
|
|
if os.path.exists(destination):
|
|
with open(destination, 'r') as f:
|
|
dest_contents = f.read()
|
|
if source_contents == dest_contents:
|
|
return # nothing to update
|
|
|
|
with open(destination, 'w') as f:
|
|
f.write(source_contents)
|
|
|
|
|
|
OUTPUT_FORMATS = {'config': write_config,
|
|
'header': write_header,
|
|
'cmake': write_cmake,
|
|
'docs': write_docs,
|
|
'json': write_json,
|
|
'json_menus': write_json_menus,
|
|
'savedefconfig': write_min_config,
|
|
}
|
|
|
|
|
|
class FatalError(RuntimeError):
|
|
"""
|
|
Class for runtime errors (not caused by bugs but by user input).
|
|
"""
|
|
pass
|
|
|
|
|
|
if __name__ == '__main__':
|
|
try:
|
|
main()
|
|
except FatalError as e:
|
|
print('A fatal error occurred: %s' % e)
|
|
sys.exit(2)
|