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cli.log.error("This subcommand requires a newer version of the QMK CLI.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