From 49dfb9ae43c42558fd6cde49893574c795de0b95 Mon Sep 17 00:00:00 2001 From: Paul Elder Date: Thu, 6 Oct 2022 20:19:59 +0900 Subject: utils: libtuning: parsers: Add raspberrypi parser Add a parser to libtuning for parsing configuration files that are the same format as raspberrypi's ctt's configuration files. Signed-off-by: Paul Elder Reviewed-by: Laurent Pinchart --- .../tuning/libtuning/parsers/raspberrypi_parser.py | 93 ++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 utils/tuning/libtuning/parsers/raspberrypi_parser.py (limited to 'utils/tuning/libtuning/parsers/raspberrypi_parser.py') diff --git a/utils/tuning/libtuning/parsers/raspberrypi_parser.py b/utils/tuning/libtuning/parsers/raspberrypi_parser.py new file mode 100644 index 00000000..d26586ba --- /dev/null +++ b/utils/tuning/libtuning/parsers/raspberrypi_parser.py @@ -0,0 +1,93 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# +# Copyright (C) 2022, Paul Elder +# +# raspberrypi_parser.py - Parser for Raspberry Pi config file format + +from .parser import Parser + +import json +import numbers + +import libtuning.utils as utils + + +class RaspberryPiParser(Parser): + def __init__(self): + super().__init__() + + # The string in the 'disable' and 'plot' lists are formatted as + # 'rpi.{module_name}'. + # @brief Enumerate, as a module, @a listt if its value exists in @a dictt + # and it is the name of a valid module in @a modules + def _enumerate_rpi_modules(self, listt, dictt, modules): + for x in listt: + name = x.replace('rpi.', '') + if name not in dictt: + continue + module = utils.get_module_by_typename(modules, name) + if module is not None: + yield module + + def _valid_macbeth_option(self, value): + if not isinstance(value, dict): + return False + + if list(value.keys()) != ['small', 'show']: + return False + + for val in value.values(): + if not isinstance(val, numbers.Number): + return False + + return True + + def parse(self, config_file: str, modules: list) -> (dict, list): + with open(config_file, 'r') as config_json: + config = json.load(config_json) + + disable = [] + for module in self._enumerate_rpi_modules(config['disable'], config, modules): + disable.append(module) + # Remove the disabled module's config too + config.pop(module.name) + config.pop('disable') + + # The raspberrypi config format has 'plot' map to a list of module + # names which should be plotted. libtuning has each module contain the + # plot information in itself so do this conversion. + + for module in self._enumerate_rpi_modules(config['plot'], config, modules): + # It's fine to set the value of a potentially disabled module, as + # the object still exists at this point + module.appendValue('debug', 'plot') + config.pop('plot') + + # Convert the keys from module name to module instance + + new_config = {} + + for module_name in config: + module = utils.get_module_by_type_name(modules, module_name) + if module is not None: + new_config[module] = config[module_name] + + new_config['general'] = {} + + if 'blacklevel' in config: + if not isinstance(config['blacklevel'], numbers.Number): + raise TypeError('Config "blacklevel" must be a number') + # Raspberry Pi's ctt config has magic blacklevel value -1 to mean + # "get it from the image metadata". Since we already do that in + # Image, don't save it to the config here. + if config['blacklevel'] >= 0: + new_config['general']['blacklevel'] = config['blacklevel'] + + if 'macbeth' in config: + if not self._valid_macbeth_option(config['macbeth']): + raise TypeError('Config "macbeth" must be a dict: {"small": number, "show": number}') + new_config['general']['macbeth'] = config['macbeth'] + else: + new_config['general']['macbeth'] = {'small': 0, 'show': 0} + + return new_config, disable -- cgit v1.2.1