9d15c1fd40
This commit adds a pair of scripts, find_apps.py and build_apps.py. These scripts are intended to be used in various CI jobs, building multiple applications with different configurations and targets. The first script, find_apps.py, is used to prepare the list of builds: 1. It finds apps for the given build system. 2. For each app, it finds configurations (sdkconfig files) which need to be built. 3. It filters out the apps and configurations which are not compatible with the given target. 4. It outputs the list of builds into stdout or a file. Currently the format is a list of lines, each line a JSON string. In the future, the tool can be updated to output YAML files. The lists of builds can be concatenated and processed with standard command line tools, like sed. The second script, build_apps.py, executes the builds from the list. It can execute a subset of builds based on --parallel-count and --parallel-index arguments. These two scripts are intended to replace build_examples_make, build_examples_cmake, and the custom unit-test-app logic (in the Makefile and idf_ext.py). Closes IDF-641
283 lines
11 KiB
Python
Executable file
283 lines
11 KiB
Python
Executable file
#!/usr/bin/env python
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# coding=utf-8
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#
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# ESP-IDF helper script to enumerate the builds of multiple configurations of multiple apps.
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# Produces the list of builds. The list can be consumed by build_apps.py, which performs the actual builds.
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import argparse
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import os
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import sys
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import re
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import glob
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import logging
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import typing
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from find_build_apps import (
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BUILD_SYSTEMS,
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BUILD_SYSTEM_CMAKE,
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BuildSystem,
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BuildItem,
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setup_logging,
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ConfigRule,
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config_rules_from_str,
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DEFAULT_TARGET,
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)
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# Helper functions
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def dict_from_sdkconfig(path):
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"""
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Parse the sdkconfig file at 'path', return name:value pairs as a dict
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"""
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regex = re.compile(r"^([^#=]+)=(.+)$")
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result = {}
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with open(path) as f:
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for line in f:
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m = regex.match(line)
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if m:
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result[m.group(1)] = m.group(2)
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return result
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# Main logic: enumerating apps and builds
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def find_builds_for_app(
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app_path, work_dir, build_dir, build_log, target_arg, build_system,
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config_rules): # type: (str, str, str, str, str, str, typing.List[ConfigRule]) -> typing.List[BuildItem]
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"""
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Find configurations (sdkconfig file fragments) for the given app, return them as BuildItem objects
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:param app_path: app directory (can be / usually will be a relative path)
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:param work_dir: directory where the app should be copied before building.
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May contain env. variables and placeholders.
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:param build_dir: directory where the build will be done, relative to the work_dir. May contain placeholders.
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:param build_log: path of the build log. May contain placeholders. May be None, in which case the log should go
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into stdout/stderr.
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:param target_arg: the value of IDF_TARGET passed to the script. Used to filter out configurations with
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a different CONFIG_IDF_TARGET value.
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:param build_system: name of the build system, index into BUILD_SYSTEMS dictionary
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:param config_rules: mapping of sdkconfig file name patterns to configuration names
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:return: list of BuildItems representing build configuration of the app
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"""
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build_items = [] # type: typing.List[BuildItem]
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default_config_name = ""
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for rule in config_rules:
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if not rule.file_name:
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default_config_name = rule.config_name
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continue
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sdkconfig_paths = glob.glob(os.path.join(app_path, rule.file_name))
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sdkconfig_paths = sorted(sdkconfig_paths)
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for sdkconfig_path in sdkconfig_paths:
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# Check if the sdkconfig file specifies IDF_TARGET, and if it is matches the --target argument.
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sdkconfig_dict = dict_from_sdkconfig(sdkconfig_path)
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target_from_config = sdkconfig_dict.get("CONFIG_IDF_TARGET")
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if target_from_config is not None and target_from_config != target_arg:
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logging.debug("Skipping sdkconfig {} which requires target {}".format(
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sdkconfig_path, target_from_config))
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continue
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# Figure out the config name
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config_name = rule.config_name or ""
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if "*" in rule.file_name:
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# convert glob pattern into a regex
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regex_str = r".*" + rule.file_name.replace(".", r"\.").replace("*", r"(.*)")
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groups = re.match(regex_str, sdkconfig_path)
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assert groups
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config_name = groups.group(1)
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sdkconfig_path = os.path.relpath(sdkconfig_path, app_path)
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logging.debug('Adding build: app {}, sdkconfig {}, config name "{}"'.format(
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app_path, sdkconfig_path, config_name))
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build_items.append(
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BuildItem(
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app_path,
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work_dir,
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build_dir,
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build_log,
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target_arg,
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sdkconfig_path,
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config_name,
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build_system,
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))
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if not build_items:
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logging.debug('Adding build: app {}, default sdkconfig, config name "{}"'.format(app_path, default_config_name))
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return [
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BuildItem(
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app_path,
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work_dir,
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build_dir,
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build_log,
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target_arg,
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None,
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default_config_name,
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build_system,
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)
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]
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return build_items
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def find_apps(build_system_class, path, recursive, exclude_list,
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target): # type: (typing.Type[BuildSystem], str, bool, typing.List[str], str) -> typing.List[str]
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"""
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Find app directories in path (possibly recursively), which contain apps for the given build system, compatible
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with the given target.
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:param build_system_class: class derived from BuildSystem, representing the build system in use
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:param path: path where to look for apps
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:param recursive: whether to recursively descend into nested directories if no app is found
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:param exclude_list: list of paths to be excluded from the recursive search
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:param target: desired value of IDF_TARGET; apps incompatible with the given target are skipped.
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:return: list of paths of the apps found
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"""
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build_system_name = build_system_class.NAME
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logging.debug("Looking for {} apps in {}{}".format(build_system_name, path, " recursively" if recursive else ""))
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if not recursive:
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if exclude_list:
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logging.warn("--exclude option is ignored when used without --recursive")
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if not build_system_class.is_app(path):
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logging.warn("Path {} specified without --recursive flag, but no {} app found there".format(
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path, build_system_name))
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return []
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return [path]
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# The remaining part is for recursive == True
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apps_found = [] # type: typing.List[str]
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for root, dirs, _ in os.walk(path, topdown=True):
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logging.debug("Entering {}".format(root))
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if root in exclude_list:
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logging.debug("Skipping {} (excluded)".format(root))
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del dirs[:]
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continue
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if build_system_class.is_app(root):
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logging.debug("Found {} app in {}".format(build_system_name, root))
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# Don't recurse into app subdirectories
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del dirs[:]
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supported_targets = build_system_class.supported_targets(root)
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if supported_targets and target not in supported_targets:
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logging.debug("Skipping, app only supports targets: " + ", ".join(supported_targets))
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continue
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apps_found.append(root)
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return apps_found
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def main():
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parser = argparse.ArgumentParser(description="Tool to generate build steps for IDF apps")
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parser.add_argument(
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"-v",
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"--verbose",
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action="count",
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help="Increase the logging level of the script. Can be specified multiple times.",
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)
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parser.add_argument(
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"--log-file",
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type=argparse.FileType("w"),
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help="Write the script log to the specified file, instead of stderr",
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)
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parser.add_argument(
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"--recursive",
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action="store_true",
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help="Look for apps in the specified directories recursively.",
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)
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parser.add_argument("--build-system", choices=BUILD_SYSTEMS.keys(), default=BUILD_SYSTEM_CMAKE)
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parser.add_argument(
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"--work-dir",
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help="If set, the app is first copied into the specified directory, and then built." +
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"If not set, the work directory is the directory of the app.",
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)
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parser.add_argument(
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"--config",
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action="append",
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help="Adds configurations (sdkconfig file names) to build. This can either be " +
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"FILENAME[=NAME] or FILEPATTERN. FILENAME is the name of the sdkconfig file, " +
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"relative to the project directory, to be used. Optional NAME can be specified, " +
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"which can be used as a name of this configuration. FILEPATTERN is the name of " +
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"the sdkconfig file, relative to the project directory, with at most one wildcard. " +
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"The part captured by the wildcard is used as the name of the configuration.",
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)
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parser.add_argument(
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"--build-dir",
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help="If set, specifies the build directory name. Can expand placeholders. Can be either a " +
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"name relative to the work directory, or an absolute path.",
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)
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parser.add_argument(
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"--build-log",
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help="If specified, the build log will be written to this file. Can expand placeholders.",
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)
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parser.add_argument("--target", help="Build apps for given target.")
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parser.add_argument(
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"--format",
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default="json",
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choices=["json"],
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help="Format to write the list of builds as",
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)
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parser.add_argument(
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"--exclude",
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action="append",
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help="Ignore specified directory (if --recursive is given). Can be used multiple times.",
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)
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parser.add_argument(
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"-o",
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"--output",
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type=argparse.FileType("w"),
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help="Output the list of builds to the specified file",
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)
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parser.add_argument("paths", nargs="+", help="One or more app paths.")
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args = parser.parse_args()
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setup_logging(args)
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build_system_class = BUILD_SYSTEMS[args.build_system]
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# If the build target is not set explicitly, get it from the environment or use the default one (esp32)
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if not args.target:
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env_target = os.environ.get("IDF_TARGET")
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if env_target:
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logging.info("--target argument not set, using IDF_TARGET={} from the environment".format(env_target))
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args.target = env_target
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else:
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logging.info("--target argument not set, using IDF_TARGET={} as the default".format(DEFAULT_TARGET))
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args.target = DEFAULT_TARGET
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# Prepare the list of app paths
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app_paths = [] # type: typing.List[str]
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for path in args.paths:
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app_paths += find_apps(build_system_class, path, args.recursive, args.exclude or [], args.target)
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if not app_paths:
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logging.critical("No {} apps found".format(build_system_class.NAME))
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raise SystemExit(1)
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logging.info("Found {} apps".format(len(app_paths)))
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app_paths = sorted(app_paths)
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# Find compatible configurations of each app, collect them as BuildItems
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build_items = [] # type: typing.List[BuildItem]
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config_rules = config_rules_from_str(args.config or [])
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for app_path in app_paths:
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build_items += find_builds_for_app(
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app_path,
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args.work_dir,
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args.build_dir,
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args.build_log,
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args.target,
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args.build_system,
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config_rules,
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)
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logging.info("Found {} builds".format(len(build_items)))
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# Write out the BuildItems. Only JSON supported now (will add YAML later).
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if args.format != "json":
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raise NotImplementedError()
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out = args.output or sys.stdout
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out.writelines([item.to_json() + "\n" for item in build_items])
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if __name__ == "__main__":
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main()
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