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CLI refactoring for common build target APIs (qmk#22221)
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tzarc authored and Lorenzo Castoldi committed Dec 27, 2023
1 parent ec44d55 commit de1dae8
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211 changes: 211 additions & 0 deletions lib/python/qmk/build_targets.py
Original file line number Diff line number Diff line change
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# Copyright 2023 Nick Brassel (@tzarc)
# SPDX-License-Identifier: GPL-2.0-or-later
import json
import shutil
from typing import List, Union
from pathlib import Path
from dotty_dict import dotty, Dotty
from milc import cli
from qmk.constants import QMK_FIRMWARE, INTERMEDIATE_OUTPUT_PREFIX
from qmk.commands import find_make, get_make_parallel_args, parse_configurator_json
from qmk.keyboard import keyboard_folder
from qmk.info import keymap_json
from qmk.cli.generate.compilation_database import write_compilation_database


class BuildTarget:
def __init__(self, keyboard: str, keymap: str, json: Union[dict, Dotty] = None):
self._keyboard = keyboard_folder(keyboard)
self._keyboard_safe = self._keyboard.replace('/', '_')
self._keymap = keymap
self._parallel = 1
self._clean = False
self._compiledb = False
self._target = f'{self._keyboard_safe}_{self.keymap}'
self._intermediate_output = Path(f'{INTERMEDIATE_OUTPUT_PREFIX}{self._target}')
self._generated_files_path = self._intermediate_output / 'src'
self._json = json.to_dict() if isinstance(json, Dotty) else json

def __str__(self):
return f'{self.keyboard}:{self.keymap}'

def __repr__(self):
return f'BuildTarget(keyboard={self.keyboard}, keymap={self.keymap})'

def configure(self, parallel: int = None, clean: bool = None, compiledb: bool = None) -> None:
if parallel is not None:
self._parallel = parallel
if clean is not None:
self._clean = clean
if compiledb is not None:
self._compiledb = compiledb

@property
def keyboard(self) -> str:
return self._keyboard

@property
def keymap(self) -> str:
return self._keymap

@property
def json(self) -> dict:
if not self._json:
self._load_json()
if not self._json:
return {}
return self._json

@property
def dotty(self) -> Dotty:
return dotty(self.json)

def _common_make_args(self, dry_run: bool = False, build_target: str = None):
compile_args = [
find_make(),
*get_make_parallel_args(self._parallel),
'-r',
'-R',
'-f',
'builddefs/build_keyboard.mk',
]

if not cli.config.general.verbose:
compile_args.append('-s')

verbose = 'true' if cli.config.general.verbose else 'false'
color = 'true' if cli.config.general.color else 'false'

if dry_run:
compile_args.append('-n')

if build_target:
compile_args.append(build_target)

compile_args.extend([
f'KEYBOARD={self.keyboard}',
f'KEYMAP={self.keymap}',
f'KEYBOARD_FILESAFE={self._keyboard_safe}',
f'TARGET={self._target}',
f'INTERMEDIATE_OUTPUT={self._intermediate_output}',
f'VERBOSE={verbose}',
f'COLOR={color}',
'SILENT=false',
'QMK_BIN="qmk"',
])

return compile_args

def prepare_build(self, build_target: str = None, dry_run: bool = False, **env_vars) -> None:
raise NotImplementedError("prepare_build() not implemented in base class")

def compile_command(self, build_target: str = None, dry_run: bool = False, **env_vars) -> List[str]:
raise NotImplementedError("compile_command() not implemented in base class")

def generate_compilation_database(self, build_target: str = None, skip_clean: bool = False, **env_vars) -> None:
self.prepare_build(build_target=build_target, **env_vars)
command = self.compile_command(build_target=build_target, dry_run=True, **env_vars)
write_compilation_database(command=command, output_path=QMK_FIRMWARE / 'compile_commands.json', skip_clean=skip_clean, **env_vars)

def compile(self, build_target: str = None, dry_run: bool = False, **env_vars) -> None:
if self._clean or self._compiledb:
command = [find_make(), "clean"]
if dry_run:
command.append('-n')
cli.log.info('Cleaning with {fg_cyan}%s', ' '.join(command))
cli.run(command, capture_output=False)

if self._compiledb and not dry_run:
self.generate_compilation_database(build_target=build_target, skip_clean=True, **env_vars)

self.prepare_build(build_target=build_target, dry_run=dry_run, **env_vars)
command = self.compile_command(build_target=build_target, **env_vars)
cli.log.info('Compiling keymap with {fg_cyan}%s', ' '.join(command))
if not dry_run:
cli.echo('\n')
ret = cli.run(command, capture_output=False)
if ret.returncode:
return ret.returncode


class KeyboardKeymapBuildTarget(BuildTarget):
def __init__(self, keyboard: str, keymap: str, json: dict = None):
super().__init__(keyboard=keyboard, keymap=keymap, json=json)

def __repr__(self):
return f'KeyboardKeymapTarget(keyboard={self.keyboard}, keymap={self.keymap})'

def _load_json(self):
self._json = keymap_json(self.keyboard, self.keymap)

def prepare_build(self, build_target: str = None, dry_run: bool = False, **env_vars) -> None:
pass

def compile_command(self, build_target: str = None, dry_run: bool = False, **env_vars) -> List[str]:
compile_args = self._common_make_args(dry_run=dry_run, build_target=build_target)

for key, value in env_vars.items():
compile_args.append(f'{key}={value}')

return compile_args


class JsonKeymapBuildTarget(BuildTarget):
def __init__(self, json_path):
if isinstance(json_path, Path):
self.json_path = json_path
else:
self.json_path = None

json = parse_configurator_json(json_path) # Will load from stdin if provided

# In case the user passes a keymap.json from a keymap directory directly to the CLI.
# e.g.: qmk compile - < keyboards/clueboard/california/keymaps/default/keymap.json
json["keymap"] = json.get("keymap", "default_json")

super().__init__(keyboard=json['keyboard'], keymap=json['keymap'], json=json)

self._keymap_json = self._generated_files_path / 'keymap.json'

def __repr__(self):
return f'JsonKeymapTarget(keyboard={self.keyboard}, keymap={self.keymap}, path={self.json_path})'

def _load_json(self):
pass # Already loaded in constructor

def prepare_build(self, build_target: str = None, dry_run: bool = False, **env_vars) -> None:
if self._clean:
if self._intermediate_output.exists():
shutil.rmtree(self._intermediate_output)

# begin with making the deepest folder in the tree
self._generated_files_path.mkdir(exist_ok=True, parents=True)

# Compare minified to ensure consistent comparison
new_content = json.dumps(self.json, separators=(',', ':'))
if self._keymap_json.exists():
old_content = json.dumps(json.loads(self._keymap_json.read_text(encoding='utf-8')), separators=(',', ':'))
if old_content == new_content:
new_content = None

# Write the keymap.json file if different so timestamps are only updated
# if the content changes -- running `make` won't treat it as modified.
if new_content:
self._keymap_json.write_text(new_content, encoding='utf-8')

def compile_command(self, build_target: str = None, dry_run: bool = False, **env_vars) -> List[str]:
compile_args = self._common_make_args(dry_run=dry_run, build_target=build_target)
compile_args.extend([
f'MAIN_KEYMAP_PATH_1={self._intermediate_output}',
f'MAIN_KEYMAP_PATH_2={self._intermediate_output}',
f'MAIN_KEYMAP_PATH_3={self._intermediate_output}',
f'MAIN_KEYMAP_PATH_4={self._intermediate_output}',
f'MAIN_KEYMAP_PATH_5={self._intermediate_output}',
f'KEYMAP_JSON={self._keymap_json}',
f'KEYMAP_PATH={self._generated_files_path}',
])

for key, value in env_vars.items():
compile_args.append(f'{key}={value}')

return compile_args
4 changes: 2 additions & 2 deletions lib/python/qmk/cli/clean.py
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
"""
from subprocess import DEVNULL

from qmk.commands import create_make_target
from qmk.commands import find_make
from milc import cli


Expand All @@ -11,4 +11,4 @@
def clean(cli):
"""Runs `make clean` (or `make distclean` if --all is passed)
"""
cli.run(create_make_target('distclean' if cli.args.all else 'clean'), capture_output=False, stdin=DEVNULL)
cli.run([find_make(), 'distclean' if cli.args.all else 'clean'], capture_output=False, stdin=DEVNULL)
58 changes: 14 additions & 44 deletions lib/python/qmk/cli/compile.py
Original file line number Diff line number Diff line change
Expand Up @@ -7,22 +7,11 @@
from milc import cli

import qmk.path
from qmk.constants import QMK_FIRMWARE
from qmk.decorators import automagic_keyboard, automagic_keymap
from qmk.commands import compile_configurator_json, create_make_command, parse_configurator_json, build_environment
from qmk.commands import build_environment
from qmk.keyboard import keyboard_completer, keyboard_folder_or_all, is_all_keyboards
from qmk.keymap import keymap_completer, locate_keymap
from qmk.cli.generate.compilation_database import write_compilation_database


def _is_keymap_target(keyboard, keymap):
if keymap == 'all':
return True

if locate_keymap(keyboard, keymap):
return True

return False
from qmk.build_targets import KeyboardKeymapBuildTarget, JsonKeymapBuildTarget


@cli.argument('filename', nargs='?', arg_only=True, type=qmk.path.FileType('r'), completer=FilesCompleter('.json'), help='The configurator export to compile')
Expand All @@ -32,6 +21,7 @@ def _is_keymap_target(keyboard, keymap):
@cli.argument('-j', '--parallel', type=int, default=1, help="Set the number of parallel make jobs; 0 means unlimited.")
@cli.argument('-e', '--env', arg_only=True, action='append', default=[], help="Set a variable to be passed to make. May be passed multiple times.")
@cli.argument('-c', '--clean', arg_only=True, action='store_true', help="Remove object files before compiling.")
@cli.argument('-t', '--target', type=str, default=None, help="Intended alternative build target, such as `production` in `make planck/rev4:default:production`.")
@cli.argument('--compiledb', arg_only=True, action='store_true', help="Generates the clang compile_commands.json file during build. Implies --clean.")
@cli.subcommand('Compile a QMK Firmware.')
@automagic_keyboard
Expand All @@ -53,47 +43,27 @@ def compile(cli):
# Build the environment vars
envs = build_environment(cli.args.env)

# Determine the compile command
commands = []

current_keyboard = None
current_keymap = None
# Handler for the build target
target = None

if cli.args.filename:
# If a configurator JSON was provided generate a keymap and compile it
user_keymap = parse_configurator_json(cli.args.filename)
commands = [compile_configurator_json(user_keymap, parallel=cli.config.compile.parallel, clean=cli.args.clean, **envs)]
# if we were given a filename, assume we have a json build target
target = JsonKeymapBuildTarget(cli.args.filename)

elif cli.config.compile.keyboard and cli.config.compile.keymap:
# Generate the make command for a specific keyboard/keymap.
if not _is_keymap_target(cli.config.compile.keyboard, cli.config.compile.keymap):
# if we got a keyboard and keymap, attempt to find it
if not locate_keymap(cli.config.compile.keyboard, cli.config.compile.keymap):
cli.log.error('Invalid keymap argument.')
cli.print_help()
return False

if cli.args.clean:
commands.append(create_make_command(cli.config.compile.keyboard, cli.config.compile.keymap, 'clean', **envs))
commands.append(create_make_command(cli.config.compile.keyboard, cli.config.compile.keymap, parallel=cli.config.compile.parallel, **envs))
# If we got here, then we have a valid keyboard and keymap for a build target
target = KeyboardKeymapBuildTarget(cli.config.compile.keyboard, cli.config.compile.keymap)

current_keyboard = cli.config.compile.keyboard
current_keymap = cli.config.compile.keymap

if not commands:
if not target:
cli.log.error('You must supply a configurator export, both `--keyboard` and `--keymap`, or be in a directory for a keyboard or keymap.')
cli.print_help()
return False

if cli.args.compiledb:
if current_keyboard is None or current_keymap is None:
cli.log.error('You must supply both `--keyboard` and `--keymap` or be in a directory with a keymap to generate a compile_commands.json file.')
cli.print_help()
return False
write_compilation_database(current_keyboard, current_keymap, QMK_FIRMWARE / 'compile_commands.json')

cli.log.info('Compiling keymap with {fg_cyan}%s', ' '.join(commands[-1]))
if not cli.args.dry_run:
cli.echo('\n')
for command in commands:
ret = cli.run(command, capture_output=False)
if ret.returncode:
return ret.returncode
target.configure(parallel=cli.config.compile.parallel, clean=cli.args.clean, compiledb=cli.args.compiledb)
target.compile(cli.args.target, dry_run=cli.args.dry_run, **envs)
14 changes: 5 additions & 9 deletions lib/python/qmk/cli/find.py
Original file line number Diff line number Diff line change
Expand Up @@ -19,13 +19,9 @@
def find(cli):
"""Search through all keyboards and keymaps for a given search criteria.
"""
targets = search_keymap_targets([('all', cli.config.find.keymap)], cli.args.filter)
for target in sorted(targets, key=lambda t: (t.keyboard, t.keymap)):
print(f'{target}')

if len(cli.args.filter) == 0 and len(cli.args.print) > 0:
cli.log.warning('No filters supplied -- keymaps not parsed, unable to print requested values.')

targets = search_keymap_targets([('all', cli.config.find.keymap)], cli.args.filter, cli.args.print)
for keyboard, keymap, print_vals in targets:
print(f'{keyboard}:{keymap}')

for key, val in print_vals:
print(f' {key}={val}')
for key in cli.args.print:
print(f' {key}={target.dotty.get(key, None)}')
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