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"""Helpful decorators that subcommands can use.
"""
import functools
from pathlib import Path
from time import monotonic
from milc import cli
from qmk.keymap import is_keymap_dir
from qmk.path import is_keyboard, under_qmk_firmware
def automagic_keyboard(func):
"""Sets `cli.config.<subcommand>.keyboard` based on environment.
This will rewrite cli.config.<subcommand>.keyboard if the user did not pass `--keyboard` and the directory they are currently in is a keyboard or keymap directory.
"""
@functools.wraps(func)
def wrapper(*args, **kwargs):
# Check to make sure their copy of MILC supports config_source
if not hasattr(cli, 'config_source'):
cli.log.error("This subcommand requires a newer version of the QMK CLI. Please upgrade using `pip3 install --upgrade qmk` or your package manager.")
exit(1)
# Ensure that `--keyboard` was not passed and CWD is under `qmk_firmware/keyboards`
if cli.config_source[cli._entrypoint.__name__]['keyboard'] != 'argument':
relative_cwd = under_qmk_firmware()
if relative_cwd and len(relative_cwd.parts) > 1 and relative_cwd.parts[0] == 'keyboards':
# Attempt to extract the keyboard name from the current directory
current_path = Path('/'.join(relative_cwd.parts[1:]))
if 'keymaps' in current_path.parts:
# Strip current_path of anything after `keymaps`
keymap_index = len(current_path.parts) - current_path.parts.index('keymaps') - 1
current_path = current_path.parents[keymap_index]
if is_keyboard(current_path):
cli.config[cli._entrypoint.__name__]['keyboard'] = str(current_path)
cli.config_source[cli._entrypoint.__name__]['keyboard'] = 'keyboard_directory'
return func(*args, **kwargs)
return wrapper
def automagic_keymap(func):
"""Sets `cli.config.<subcommand>.keymap` based on environment.
This will rewrite cli.config.<subcommand>.keymap if the user did not pass `--keymap` and the directory they are currently in is a keymap, layout, or user directory.
"""
@functools.wraps(func)
def wrapper(*args, **kwargs):
# Check to make sure their copy of MILC supports config_source
if not hasattr(cli, 'config_source'):
cli.log.error("This subcommand requires a newer version of the QMK CLI. Please upgrade using `pip3 install --upgrade qmk` or your package manager.")
exit(1)
# Ensure that `--keymap` was not passed and that we're under `qmk_firmware`
if cli.config_source[cli._entrypoint.__name__]['keymap'] != 'argument':
relative_cwd = under_qmk_firmware()
if relative_cwd and len(relative_cwd.parts) > 1:
# If we're in `qmk_firmware/keyboards` and `keymaps` is in our path, try to find the keyboard name.
if relative_cwd.parts[0] == 'keyboards' and 'keymaps' in relative_cwd.parts:
current_path = Path('/'.join(relative_cwd.parts[1:])) # Strip 'keyboards' from the front
if 'keymaps' in current_path.parts and current_path.name != 'keymaps':
while current_path.parent.name != 'keymaps':
current_path = current_path.parent
cli.config[cli._entrypoint.__name__]['keymap'] = current_path.name
cli.config_source[cli._entrypoint.__name__]['keymap'] = 'keymap_directory'
# If we're in `qmk_firmware/layouts` guess the name from the community keymap they're in
elif relative_cwd.parts[0] == 'layouts' and is_keymap_dir(relative_cwd):
cli.config[cli._entrypoint.__name__]['keymap'] = relative_cwd.name
cli.config_source[cli._entrypoint.__name__]['keymap'] = 'layouts_directory'
# If we're in `qmk_firmware/users` guess the name from the userspace they're in
elif relative_cwd.parts[0] == 'users':
# Guess the keymap name based on which userspace they're in
cli.config[cli._entrypoint.__name__]['keymap'] = relative_cwd.parts[1]
cli.config_source[cli._entrypoint.__name__]['keymap'] = 'users_directory'
return func(*args, **kwargs)
return wrapper
def lru_cache(timeout=10, maxsize=128, typed=False):
"""Least Recently Used Cache- cache the result of a function.
Args:
timeout
How many seconds to cache results for.
maxsize
The maximum size of the cache in bytes
typed
When `True` argument types will be taken into consideration, for example `3` and `3.0` will be treated as different keys.
"""
def wrapper_cache(func):
func = functools.lru_cache(maxsize=maxsize, typed=typed)(func)
func.expiration = monotonic() + timeout
@functools.wraps(func)
def wrapped_func(*args, **kwargs):
if monotonic() >= func.expiration:
func.expiration = monotonic() + timeout
func.cache_clear()
return func(*args, **kwargs)
wrapped_func.cache_info = func.cache_info
wrapped_func.cache_clear = func.cache_clear
return wrapped_func
return wrapper_cache
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