Files
esp-idf/tools/idf_py_actions
Ivan Grokhotkov 16275df0a1 feat: add idf.py build-file command for standalone C files
Add a new idf.py extension that allows building standalone C files
without requiring full project boilerplate. Source files can include
optional YAML frontmatter in block comments to specify sdkconfig
options, component dependencies, and target configuration.

When the frontmatter configuration changes, the stale sdkconfig is
removed so the new defaults are applied, and a target change also
clears the build directory since IDF_TARGET is pinned in the CMake
cache.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-21 22:04:41 +02:00
..

idf.py extensions

Python modules (subdirectories and files) in this directory named [your_extension]_ext will be loaded as idf.py extensions. If you want to provide extra extensions just provide ; separated list of directories with extensions in IDF_EXTRA_ACTIONS_PATH. Extensions will be loaded in alphanumeric order. Command line arguments parsing and extension mechanism is implemented on top of Click (versions >=5.0 are supported).

They should define a function action_extensions(base_actions, project_path) where:

  • base_actions - dictionary with actions that are already available for idf.py
  • project_path - working dir, may be defaulted to os.getcwd()

This function have to return a dict with 3 possible keys:

{
    # Additional options that will be available from id
    "global_options": [{
        "names": ["--option-name"],
        "help": "Help for option --option-name.",
    }],
    # List of functions that will have access to full app context, and can mangle with arguments
    "global_action_callbacks": [global_callback],
    # Additional subcommands for idf.py
    "actions": {
        "subcommand_name": {
            "callback": subcommand_callback,
            "help": "Help for subcommand.",
        },
    },
}

Where function global_callback(ctx, global_args, tasks) accepts 3 arguments:

  • ctx - Click context
  • global_args - dictionary of all available global arguments
  • tasks - list of Task objects

And subcommand_callback(subcommand_name, ctx, args) accepts 3 arguments:

  • subcommand_name - name of subcommand
  • ctx - Click context
  • args - list of command's arguments