mirror of
https://github.com/qmk/qmk_firmware.git
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85 lines
2.8 KiB
Python
85 lines
2.8 KiB
Python
"""Helpful decorators that subcommands can use.
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"""
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import functools
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from time import monotonic
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from milc import cli
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from qmk.keyboard import find_keyboard_from_dir
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from qmk.keymap import find_keymap_from_dir
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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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# 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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keyboard = find_keyboard_from_dir()
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if keyboard:
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cli.config[cli._entrypoint.__name__]['keyboard'] = keyboard
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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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# 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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keymap_name, keymap_type = find_keymap_from_dir()
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if keymap_name:
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cli.config[cli._entrypoint.__name__]['keymap'] = keymap_name
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cli.config_source[cli._entrypoint.__name__]['keymap'] = keymap_type
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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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