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qmk_firmware
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qmk_firmware/lib/python/qmk/commands.py

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"""Helper functions for commands.
"""
from functools import lru_cache
import json
import os
import sys
import shutil
import threading
from pathlib import Path
from subprocess import DEVNULL
from time import sleep, strftime
from dotty_dict import dotty
from milc import cli
import qmk.keymap
from qmk.constants import QMK_FIRMWARE, KEYBOARD_OUTPUT_PREFIX
from qmk.info import info_json
from qmk.json_schema import json_load
from qmk.keyboard import list_keyboards
time_fmt = '%Y-%m-%d-%H:%M:%S'
@lru_cache(maxsize=0)
def _find_make():
"""Returns the correct make command for this environment.
"""
make_cmd = os.environ.get('MAKE')
if not make_cmd:
make_cmd = 'gmake' if shutil.which('gmake') else 'make'
return make_cmd
def create_make_target(target, parallel=1, **env_vars):
"""Create a make command
Args:
target
Usually a make rule, such as 'clean' or 'all'.
parallel
The number of make jobs to run in parallel
**env_vars
Environment variables to be passed to make.
Returns:
A command that can be run to make the specified keyboard and keymap
"""
env = []
make_cmd = _find_make()
for key, value in env_vars.items():
env.append(f'{key}={value}')
return [make_cmd, *get_make_parallel_args(parallel), *env, target]
def create_make_command(keyboard, keymap, target=None, parallel=1, silent=False, **env_vars):
"""Create a make compile command
Args:
keyboard
The path of the keyboard, for example 'plank'
keymap
The name of the keymap, for example 'algernon'
target
Usually a bootloader.
parallel
The number of make jobs to run in parallel
**env_vars
Environment variables to be passed to make.
Returns:
A command that can be run to make the specified keyboard and keymap
"""
make_cmd = [_find_make(), '--no-print-directory', '-r', '-R', '-C', './', '-f', 'build_keyboard.mk']
env_vars['KEYBOARD'] = keyboard
env_vars['KEYMAP'] = keymap
env_vars['QMK_BIN'] = 'bin/qmk' if 'DEPRECATED_BIN_QMK' in os.environ else 'qmk'
env_vars['VERBOSE'] = 'true' if cli.config.general.verbose else ''
env_vars['SILENT'] = 'true' if silent else 'false'
env_vars['COLOR'] = 'true' if cli.config.general.color else ''
if parallel > 1:
make_cmd.append('-j')
make_cmd.append(str(parallel))
if target:
make_cmd.append(target)
for key, value in env_vars.items():
make_cmd.append(f'{key}={value}')
return make_cmd
@lru_cache(maxsize=0)
def get_git_version(current_time, repo_dir='.', check_dir='.'):
"""Returns the current git version for a repo, or the current time.
"""
git_describe_cmd = ['git', 'describe', '--abbrev=6', '--dirty', '--always', '--tags']
if repo_dir != '.':
repo_dir = Path('lib') / repo_dir
if check_dir != '.':
check_dir = repo_dir / check_dir
if Path(check_dir).exists():
git_describe = cli.run(git_describe_cmd, stdin=DEVNULL, cwd=repo_dir)
if git_describe.returncode == 0:
return git_describe.stdout.strip()
else:
cli.log.warn(f'"{" ".join(git_describe_cmd)}" returned error code {git_describe.returncode}')
print(git_describe.stderr)
return current_time
return current_time
def get_make_parallel_args(parallel=1):
"""Returns the arguments for running the specified number of parallel jobs.
"""
parallel_args = []
if int(parallel) <= 0:
# 0 or -1 means -j without argument (unlimited jobs)
parallel_args.append('--jobs')
else:
parallel_args.append('--jobs=' + str(parallel))
if int(parallel) != 1:
# If more than 1 job is used, synchronize parallel output by target
parallel_args.append('--output-sync=target')
return parallel_args
def create_version_h(skip_git=False, skip_all=False):
"""Generate version.h contents
"""
if skip_all:
current_time = "1970-01-01-00:00:00"
else:
current_time = strftime(time_fmt)
if skip_git:
git_version = "NA"
chibios_version = "NA"
chibios_contrib_version = "NA"
else:
git_version = get_git_version(current_time)
chibios_version = get_git_version(current_time, "chibios", "os")
chibios_contrib_version = get_git_version(current_time, "chibios-contrib", "os")
version_h_lines = f"""/* This file was automatically generated. Do not edit or copy.
*/
#pragma once
#define QMK_VERSION "{git_version}"
#define QMK_BUILDDATE "{current_time}"
#define CHIBIOS_VERSION "{chibios_version}"
#define CHIBIOS_CONTRIB_VERSION "{chibios_contrib_version}"
"""
return version_h_lines
def compile_configurator_json(user_keymap, bootloader=None, parallel=1, **env_vars):
"""Convert a configurator export JSON file into a C file and then compile it.
Args:
user_keymap
A deserialized keymap export
bootloader
A bootloader to flash
parallel
The number of make jobs to run in parallel
Returns:
A command to run to compile and flash the C file.
"""
# Write the keymap.c file
keyboard_filesafe = user_keymap['keyboard'].replace('/', '_')
target = f'{keyboard_filesafe}_{user_keymap["keymap"]}'
keyboard_output = Path(f'{KEYBOARD_OUTPUT_PREFIX}{keyboard_filesafe}')
keymap_output = Path(f'{keyboard_output}_{user_keymap["keymap"]}')
c_text = qmk.keymap.generate_c(user_keymap['keyboard'], user_keymap['layout'], user_keymap['layers'])
keymap_dir = keymap_output / 'src'
keymap_c = keymap_dir / 'keymap.c'
keymap_dir.mkdir(exist_ok=True, parents=True)
keymap_c.write_text(c_text)
version_h = Path('quantum/version.h')
version_h.write_text(create_version_h())
# Return a command that can be run to make the keymap and flash if given
verbose = 'true' if cli.config.general.verbose else 'false'
color = 'true' if cli.config.general.color else 'false'
make_command = [_find_make()]
if not cli.config.general.verbose:
make_command.append('-s')
make_command.extend([
*get_make_parallel_args(parallel),
'-r',
'-R',
'-f',
'build_keyboard.mk',
])
if bootloader:
make_command.append(bootloader)
for key, value in env_vars.items():
make_command.append(f'{key}={value}')
make_command.extend([
f'KEYBOARD={user_keymap["keyboard"]}',
f'KEYMAP={user_keymap["keymap"]}',
f'KEYBOARD_FILESAFE={keyboard_filesafe}',
f'TARGET={target}',
f'KEYBOARD_OUTPUT={keyboard_output}',
f'KEYMAP_OUTPUT={keymap_output}',
f'MAIN_KEYMAP_PATH_1={keymap_output}',
f'MAIN_KEYMAP_PATH_2={keymap_output}',
f'MAIN_KEYMAP_PATH_3={keymap_output}',
f'MAIN_KEYMAP_PATH_4={keymap_output}',
f'MAIN_KEYMAP_PATH_5={keymap_output}',
f'KEYMAP_C={keymap_c}',
f'KEYMAP_PATH={keymap_dir}',
f'VERBOSE={verbose}',
f'COLOR={color}',
'SILENT=false',
'QMK_BIN="qmk"',
])
return user_keymap['keyboard'], user_keymap['keymap'], make_command
@lru_cache(maxsize=0)
def parse_configurator_json(configurator_file):
"""Open and parse a configurator json export
"""
# FIXME(skullydazed/anyone): Add validation here
user_keymap = json.load(configurator_file)
orig_keyboard = user_keymap['keyboard']
aliases = json_load(Path('data/mappings/keyboard_aliases.json'))
if orig_keyboard in aliases:
if 'target' in aliases[orig_keyboard]:
user_keymap['keyboard'] = aliases[orig_keyboard]['target']
if 'layouts' in aliases[orig_keyboard] and user_keymap['layout'] in aliases[orig_keyboard]['layouts']:
user_keymap['layout'] = aliases[orig_keyboard]['layouts'][user_keymap['layout']]
return user_keymap
def git_get_username():
"""Retrieves user's username from Git config, if set.
"""
git_username = cli.run(['git', 'config', '--get', 'user.name'])
if git_username.returncode == 0 and git_username.stdout:
return git_username.stdout.strip()
def git_check_repo():
"""Checks that the .git directory exists inside QMK_HOME.
This is a decent enough indicator that the qmk_firmware directory is a
proper Git repository, rather than a .zip download from GitHub.
"""
dot_git_dir = QMK_FIRMWARE / '.git'
return dot_git_dir.is_dir()
def git_get_branch():
"""Returns the current branch for a repo, or None.
"""
git_branch = cli.run(['git', 'branch', '--show-current'])
if not git_branch.returncode != 0 or not git_branch.stdout:
# Workaround for Git pre-2.22
git_branch = cli.run(['git', 'rev-parse', '--abbrev-ref', 'HEAD'])
if git_branch.returncode == 0:
return git_branch.stdout.strip()
def git_is_dirty():
"""Returns 1 if repo is dirty, or 0 if clean
"""
git_diff_staged_cmd = ['git', 'diff', '--quiet']
git_diff_unstaged_cmd = [*git_diff_staged_cmd, '--cached']
unstaged = cli.run(git_diff_staged_cmd)
staged = cli.run(git_diff_unstaged_cmd)
return unstaged.returncode != 0 or staged.returncode != 0
def git_get_remotes():
"""Returns the current remotes for a repo.
"""
remotes = {}
git_remote_show_cmd = ['git', 'remote', 'show']
git_remote_get_cmd = ['git', 'remote', 'get-url']
git_remote_show = cli.run(git_remote_show_cmd)
if git_remote_show.returncode == 0:
for name in git_remote_show.stdout.splitlines():
git_remote_name = cli.run([*git_remote_get_cmd, name])
remotes[name.strip()] = {"url": git_remote_name.stdout.strip()}
return remotes
def git_check_deviation(active_branch):
"""Return True if branch has custom commits
"""
cli.run(['git', 'fetch', 'upstream', active_branch])
deviations = cli.run(['git', '--no-pager', 'log', f'upstream/{active_branch}...{active_branch}'])
return bool(deviations.returncode)
def in_virtualenv():
"""Check if running inside a virtualenv.
Based on https://stackoverflow.com/a/1883251
"""
active_prefix = getattr(sys, "base_prefix", None) or getattr(sys, "real_prefix", None) or sys.prefix
return active_prefix != sys.prefix
def do_compile(keyboard, keymap, parallel, target=None, filters=None, environment=None):
"""Shared code between `qmk compile` and `qmk flash`.
"""
if keyboard is None:
keyboard = ''
if environment is None:
environment = {}
all_keyboards = keyboard == 'all' or keyboard.startswith('all-')
all_keymaps = keymap == 'all'
multiple_compiles = all_keyboards or all_keymaps
# Setup the environment
envs = {'REQUIRE_PLATFORM_KEY': ''}
for env in environment:
if '=' in env:
key, value = env.split('=', 1)
if key in envs:
cli.log.warning('Overwriting existing environment variable %s=%s with %s=%s!', key, envs[key], key, value)
envs[key] = value
else:
cli.log.warning('Invalid environment variable: %s', env)
if keyboard.startswith('all-'):
envs['REQUIRE_PLATFORM_KEY'] = keyboard[4:]
# Run clean if necessary
if cli.args.clean and not cli.args.filename and not cli.args.dry_run:
for kb, km in keyboard_keymap_iter(keyboard, keymap, {}):
cli.log.info('Cleaning previous build files for keyboard {fg_cyan}%s{fg_reset} keymap {fg_cyan}%s', kb, km)
make_cmd = create_make_command(kb, km, 'clean', 1, multiple_compiles, **envs)
cli.run(make_cmd, capture_output=False, stdin=DEVNULL)
# Determine the compile command(s)
command = None
if cli.args.filename:
if cli.args.keyboard:
cli.log.warning('Ignoring --keyboard because a keymap.json was provided.')
if cli.args.keymap:
cli.log.warning('Ignoring --keymap because a keymap.json was provided.')
# If a configurator JSON was provided generate a keymap and compile it
user_keymap = parse_configurator_json(cli.args.filename)
command = compile_configurator_json(user_keymap, parallel=parallel, **envs)
elif keyboard and keymap:
if multiple_compiles:
command = 'multiple'
else:
command = create_make_command(keyboard, keymap, target=target, parallel=parallel, silent=multiple_compiles, **envs)
elif not keyboard:
cli.log.error('Could not determine keyboard!')
elif not keymap:
cli.log.error('Could not determine keymap!')
# Compile the firmware, if we're able to
if command == 'multiple':
cli.log.info('Building {fg_cyan}%s{fg_reset} with keymap {fg_cyan}%s', keyboard, keymap)
returncodes = []
for keyboard, keymap in keyboard_keymap_iter(keyboard, keymap, filters):
command = create_make_command(keyboard, keymap, target=target, parallel=1, silent=multiple_compiles, **envs)
while threading.active_count() >= parallel + 1:
sleep(1)
threading.Thread(target=_execute_compile, args=(keyboard, keymap, command, target, returncodes)).start()
while threading.active_count() > 1:
sleep(1)
if any(returncodes):
print()
cli.log.error('Could not compile all targets, look above this message for more details. Failing target(s):')
for i, returncode in enumerate(returncodes):
if returncode != 0:
keyboard, keymap, command = returncodes[i]
cli.echo('\tkeyboard: {fg_cyan}%s{fg_reset} keymap: {fg_cyan}%s', keyboard, keymap)
elif command:
if target:
cli.log.info('Building {fg_cyan}%s{fg_reset} with keymap {fg_cyan}%s{fg_reset} and target {fg_cyan}%s', keyboard, keymap, target)
else:
cli.log.info('Building {fg_cyan}%s{fg_reset} with keymap {fg_cyan}%s', keyboard, keymap)
if _execute_compile(keyboard, keymap, command, target) != 0:
print()
cli.log.error('Could not compile all targets, look above this message for more details. Failing target(s):')
cli.echo('\tkeyboard: {fg_cyan}%s{fg_reset} keymap: {fg_cyan}%s', keyboard, keymap)
elif filters:
cli.log.error('No keyboards found after applying filter(s)!')
return False
else:
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
def _execute_compile(keyboard, keymap, command, target, returncodes=None):
if not returncodes:
returncodes = []
if keymap not in qmk.keymap.list_keymaps(keyboard):
cli.log.debug('Skipping keyboard %s, no %s keymap found.', keyboard, keymap)
return 0
cli.log.debug('Running make command: {fg_blue}%s', ' '.join(command))
if not cli.args.dry_run:
compile = cli.run(command, combined_output=True)
cli.acquire_lock()
returncodes.append(compile.returncode)
cli.release_lock()
if compile.returncode != 0:
cli.log.info('Could not build firmware for {fg_cyan}%s{fg_reset} with keymap {fg_cyan}%s', keyboard, keymap)
print(compile.stdout)
@lru_cache()
def _keyboard_list(keyboard):
"""Returns a list of keyboards matching keyboard.
"""
if keyboard == 'all' or keyboard.startswith('all-'):
return list_keyboards()
return [keyboard]
def keyboard_keymap_iter(cli_keyboard, cli_keymap, filters):
"""Iterates over the keyboard/keymap for this command and yields a pairing of each.
"""
for keyboard in _keyboard_list(cli_keyboard):
continue_flag = False
if filters:
info_data = dotty(info_json(keyboard))
for key, value in filters.items():
if info_data.get(key) != value:
continue_flag = True
break
if continue_flag:
continue
if cli_keymap == 'all':
for keymap in qmk.keymap.list_keymaps(keyboard):
yield keyboard, keymap
else:
yield keyboard, cli_keymap