mirror of
https://github.com/mfulz/qmk_firmware.git
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266 lines
9.3 KiB
Python
266 lines
9.3 KiB
Python
"""Functions for searching through QMK keyboards and keymaps.
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"""
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import contextlib
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import functools
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import fnmatch
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import logging
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import re
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from typing import Callable, List, Optional, Tuple
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from dotty_dict import dotty, Dotty
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from milc import cli
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from qmk.util import parallel_map
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from qmk.info import keymap_json
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from qmk.keyboard import list_keyboards, keyboard_folder
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from qmk.keymap import list_keymaps, locate_keymap
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from qmk.build_targets import KeyboardKeymapBuildTarget, BuildTarget
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TargetInfo = Tuple[str, str, dict]
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# by using a class for filters, we dont need to worry about capturing values
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# see details <https://github.com/qmk/qmk_firmware/pull/21090>
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class FilterFunction:
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"""Base class for filters.
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It provides:
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- __init__: capture key and value
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Each subclass should provide:
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- func_name: how it will be specified on CLI
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>>> qmk find -f <func_name>...
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- apply: function that actually applies the filter
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ie: return whether the input kb/km satisfies the condition
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"""
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key: str
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value: Optional[str]
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func_name: str
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apply: Callable[[TargetInfo], bool]
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def __init__(self, key, value):
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self.key = key
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self.value = value
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class Exists(FilterFunction):
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func_name = "exists"
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def apply(self, target_info: TargetInfo) -> bool:
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_kb, _km, info = target_info
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return self.key in info
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class Absent(FilterFunction):
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func_name = "absent"
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def apply(self, target_info: TargetInfo) -> bool:
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_kb, _km, info = target_info
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return self.key not in info
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class Length(FilterFunction):
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func_name = "length"
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def apply(self, target_info: TargetInfo) -> bool:
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_kb, _km, info = target_info
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return (self.key in info and len(info[self.key]) == int(self.value))
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class Contains(FilterFunction):
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func_name = "contains"
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def apply(self, target_info: TargetInfo) -> bool:
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_kb, _km, info = target_info
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return (self.key in info and self.value in info[self.key])
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def _get_filter_class(func_name: str, key: str, value: str) -> Optional[FilterFunction]:
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"""Initialize a filter subclass based on regex findings and return it.
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None if no there's no filter with the name queried.
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"""
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for subclass in FilterFunction.__subclasses__():
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if func_name == subclass.func_name:
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return subclass(key, value)
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return None
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def filter_help() -> str:
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names = [f"'{f.func_name}'" for f in FilterFunction.__subclasses__()]
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return ", ".join(names[:-1]) + f" and {names[-1]}"
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def _set_log_level(level):
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cli.acquire_lock()
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old = cli.log_level
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cli.log_level = level
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cli.log.setLevel(level)
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logging.root.setLevel(level)
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cli.release_lock()
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return old
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@contextlib.contextmanager
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def ignore_logging():
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old = _set_log_level(logging.CRITICAL)
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yield
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_set_log_level(old)
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def _all_keymaps(keyboard):
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"""Returns a list of tuples of (keyboard, keymap) for all keymaps for the given keyboard.
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"""
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with ignore_logging():
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keyboard = keyboard_folder(keyboard)
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return [(keyboard, keymap) for keymap in list_keymaps(keyboard)]
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def _keymap_exists(keyboard, keymap):
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"""Returns the keyboard name if the keyboard+keymap combination exists, otherwise None.
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"""
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with ignore_logging():
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return keyboard if locate_keymap(keyboard, keymap) is not None else None
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def _load_keymap_info(target: Tuple[str, str]) -> TargetInfo:
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"""Returns a tuple of (keyboard, keymap, info.json) for the given keyboard/keymap combination.
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"""
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kb, km = target
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with ignore_logging():
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return (kb, km, keymap_json(kb, km))
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def expand_make_targets(targets: List[str]) -> List[Tuple[str, str]]:
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"""Expand a list of make targets into a list of (keyboard, keymap) tuples.
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Caters for 'all' in either keyboard or keymap, or both.
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"""
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split_targets = []
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for target in targets:
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split_target = target.split(':')
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if len(split_target) != 2:
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cli.log.error(f"Invalid build target: {target}")
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return []
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split_targets.append((split_target[0], split_target[1]))
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return expand_keymap_targets(split_targets)
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def _expand_keymap_target(keyboard: str, keymap: str, all_keyboards: List[str] = None) -> List[Tuple[str, str]]:
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"""Expand a keyboard input and keymap input into a list of (keyboard, keymap) tuples.
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Caters for 'all' in either keyboard or keymap, or both.
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"""
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if all_keyboards is None:
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all_keyboards = list_keyboards()
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if keyboard == 'all':
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if keymap == 'all':
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cli.log.info('Retrieving list of all keyboards and keymaps...')
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targets = []
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for kb in parallel_map(_all_keymaps, all_keyboards):
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targets.extend(kb)
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return targets
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else:
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cli.log.info(f'Retrieving list of keyboards with keymap "{keymap}"...')
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keyboard_filter = functools.partial(_keymap_exists, keymap=keymap)
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return [(kb, keymap) for kb in filter(lambda e: e is not None, parallel_map(keyboard_filter, all_keyboards))]
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else:
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if keymap == 'all':
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cli.log.info(f'Retrieving list of keymaps for keyboard "{keyboard}"...')
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return _all_keymaps(keyboard)
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else:
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return [(keyboard, keymap)]
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def expand_keymap_targets(targets: List[Tuple[str, str]]) -> List[Tuple[str, str]]:
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"""Expand a list of (keyboard, keymap) tuples inclusive of 'all', into a list of explicit (keyboard, keymap) tuples.
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"""
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overall_targets = []
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all_keyboards = list_keyboards()
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for target in targets:
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overall_targets.extend(_expand_keymap_target(target[0], target[1], all_keyboards))
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return list(sorted(set(overall_targets)))
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def _construct_build_target_kb_km(e):
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return KeyboardKeymapBuildTarget(keyboard=e[0], keymap=e[1])
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def _construct_build_target_kb_km_json(e):
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return KeyboardKeymapBuildTarget(keyboard=e[0], keymap=e[1], json=e[2])
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def _filter_keymap_targets(target_list: List[Tuple[str, str]], filters: List[str] = []) -> List[BuildTarget]:
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"""Filter a list of (keyboard, keymap) tuples based on the supplied filters.
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Optionally includes the values of the queried info.json keys.
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"""
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if len(filters) == 0:
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cli.log.info('Preparing target list...')
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targets = list(set(parallel_map(_construct_build_target_kb_km, target_list)))
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else:
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cli.log.info('Parsing data for all matching keyboard/keymap combinations...')
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valid_keymaps = [(e[0], e[1], dotty(e[2])) for e in parallel_map(_load_keymap_info, target_list)]
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function_re = re.compile(r'^(?P<function>[a-zA-Z]+)\((?P<key>[a-zA-Z0-9_\.]+)(,\s*(?P<value>[^#]+))?\)$')
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equals_re = re.compile(r'^(?P<key>[a-zA-Z0-9_\.]+)\s*=\s*(?P<value>[^#]+)$')
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for filter_expr in filters:
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function_match = function_re.match(filter_expr)
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equals_match = equals_re.match(filter_expr)
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if function_match is not None:
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func_name = function_match.group('function').lower()
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key = function_match.group('key')
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value = function_match.group('value')
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filter_class = _get_filter_class(func_name, key, value)
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if filter_class is None:
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cli.log.warning(f'Unrecognized filter expression: {function_match.group(0)}')
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continue
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valid_keymaps = filter(filter_class.apply, valid_keymaps)
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value_str = f", {{fg_cyan}}{value}{{fg_reset}}" if value is not None else ""
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cli.log.info(f'Filtering on condition: {{fg_green}}{func_name}{{fg_reset}}({{fg_cyan}}{key}{{fg_reset}}{value_str})...')
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elif equals_match is not None:
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key = equals_match.group('key')
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value = equals_match.group('value')
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cli.log.info(f'Filtering on condition: {{fg_cyan}}{key}{{fg_reset}} == {{fg_cyan}}{value}{{fg_reset}}...')
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def _make_filter(k, v):
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expr = fnmatch.translate(v)
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rule = re.compile(f'^{expr}$', re.IGNORECASE)
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def f(e):
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lhs = e[2].get(k)
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lhs = str(False if lhs is None else lhs)
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return rule.search(lhs) is not None
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return f
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valid_keymaps = filter(_make_filter(key, value), valid_keymaps)
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else:
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cli.log.warning(f'Unrecognized filter expression: {filter_expr}')
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continue
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cli.log.info('Preparing target list...')
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valid_keymaps = [(e[0], e[1], e[2].to_dict() if isinstance(e[2], Dotty) else e[2]) for e in valid_keymaps] # need to convert dotty_dict back to dict because it doesn't survive parallelisation
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targets = list(set(parallel_map(_construct_build_target_kb_km_json, list(valid_keymaps))))
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return targets
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def search_keymap_targets(targets: List[Tuple[str, str]] = [('all', 'default')], filters: List[str] = []) -> List[BuildTarget]:
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"""Search for build targets matching the supplied criteria.
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"""
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return _filter_keymap_targets(expand_keymap_targets(targets), filters)
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def search_make_targets(targets: List[str], filters: List[str] = []) -> List[BuildTarget]:
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"""Search for build targets matching the supplied criteria.
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"""
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return _filter_keymap_targets(expand_make_targets(targets), filters)
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