330 lines
12 KiB
Python
330 lines
12 KiB
Python
"""Functions for searching through QMK keyboards and keymaps.
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"""
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from dataclasses import dataclass
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import contextlib
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import functools
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import fnmatch
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import json
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import logging
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import re
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from typing import Callable, Dict, List, Optional, Tuple, Union
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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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@dataclass
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class KeyboardKeymapDesc:
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keyboard: str
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keymap: str
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data: dict = None
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extra_args: dict = None
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def __hash__(self) -> int:
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return self.keyboard.__hash__() ^ self.keymap.__hash__() ^ json.dumps(self.extra_args, sort_keys=True).__hash__()
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def __lt__(self, other) -> bool:
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return (self.keyboard, self.keymap, json.dumps(self.extra_args, sort_keys=True)) < (other.keyboard, other.keymap, json.dumps(other.extra_args, sort_keys=True))
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def load_data(self):
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data = keymap_json(self.keyboard, self.keymap)
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self.data = data.to_dict() if isinstance(data, Dotty) else data
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@property
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def dotty(self) -> Dotty:
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return dotty(self.data) if self.data is not None else None
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def to_build_target(self) -> KeyboardKeymapBuildTarget:
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target = KeyboardKeymapBuildTarget(keyboard=self.keyboard, keymap=self.keymap, json=self.data)
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target.extra_args = self.extra_args
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return target
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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[[KeyboardKeymapDesc], 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: KeyboardKeymapDesc) -> bool:
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return self.key in target_info.dotty
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class Absent(FilterFunction):
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func_name = "absent"
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def apply(self, target_info: KeyboardKeymapDesc) -> bool:
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return self.key not in target_info.dotty
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class Length(FilterFunction):
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func_name = "length"
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def apply(self, target_info: KeyboardKeymapDesc) -> bool:
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info_dotty = target_info.dotty
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return (self.key in info_dotty and len(info_dotty[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: KeyboardKeymapDesc) -> bool:
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info_dotty = target_info.dotty
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return (self.key in info_dotty and self.value in info_dotty[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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try:
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old = cli.log_level
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cli.log_level = level
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except AttributeError:
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old = cli.log.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) -> List[KeyboardKeymapDesc]:
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"""Returns a list of KeyboardKeymapDesc 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 [KeyboardKeymapDesc(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: KeyboardKeymapDesc) -> KeyboardKeymapDesc:
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"""Ensures a KeyboardKeymapDesc has its data loaded.
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"""
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with ignore_logging():
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target.load_data() # Ensure we load the data first
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return target
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def expand_make_targets(targets: List[Union[str, Tuple[str, Dict[str, str]]]]) -> List[KeyboardKeymapDesc]:
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"""Expand a list of make targets into a list of KeyboardKeymapDesc.
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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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extra_args = None
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if isinstance(target, tuple):
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split_target = target[0].split(':')
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extra_args = target[1]
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else:
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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(KeyboardKeymapDesc(split_target[0], split_target[1], extra_args=extra_args))
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return expand_keymap_targets(split_targets)
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def _expand_keymap_target(target: KeyboardKeymapDesc, all_keyboards: List[str] = None) -> List[KeyboardKeymapDesc]:
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"""Expand a keyboard input and keymap input into a list of KeyboardKeymapDesc.
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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 target.keyboard == 'all':
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if target.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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for t in targets:
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t.extra_args = target.extra_args
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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 "{target.keymap}"...')
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keyboard_filter = functools.partial(_keymap_exists, keymap=target.keymap)
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return [KeyboardKeymapDesc(kb, target.keymap, extra_args=target.extra_args) 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 target.keymap == 'all':
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cli.log.info(f'Retrieving list of keymaps for keyboard "{target.keyboard}"...')
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targets = _all_keymaps(target.keyboard)
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for t in targets:
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t.extra_args = target.extra_args
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return targets
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else:
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return [target]
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def expand_keymap_targets(targets: List[KeyboardKeymapDesc]) -> List[KeyboardKeymapDesc]:
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"""Expand a list of KeyboardKeymapDesc inclusive of 'all', into a list of explicit KeyboardKeymapDesc.
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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, all_keyboards))
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return list(sorted(set(overall_targets)))
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def _construct_build_target(e: KeyboardKeymapDesc):
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return e.to_build_target()
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def _filter_keymap_targets(target_list: List[KeyboardKeymapDesc], filters: List[str] = []) -> List[KeyboardKeymapDesc]:
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"""Filter a list of KeyboardKeymapDesc 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 = 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_targets = parallel_map(_load_keymap_info, target_list)
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function_re = re.compile(r'^(?P<function>[a-zA-Z]+)\((?P<key>[a-zA-Z0-9_\.]+)(,\s*(?P<value>[^#]+))?\)$')
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comparison_re = re.compile(r'^(?P<key>[a-zA-Z0-9_\.]+)\s*(?P<op>[\<\>\!=]=|\<|\>)\s*(?P<value>[^#]+)$')
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for filter_expr in filters:
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function_match = function_re.match(filter_expr)
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comparison_match = comparison_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_targets = filter(filter_class.apply, valid_targets)
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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 comparison_match is not None:
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key = comparison_match.group('key')
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op = comparison_match.group('op')
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value = comparison_match.group('value')
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cli.log.info(f'Filtering on condition: {{fg_cyan}}{key}{{fg_reset}} {op} {{fg_cyan}}{value}{{fg_reset}}...')
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def _make_filter(k, o, 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: KeyboardKeymapDesc):
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lhs = e.dotty.get(k)
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rhs = v
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if o in ['<', '>', '<=', '>=']:
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lhs = int(False if lhs is None else lhs)
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rhs = int(rhs)
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if o == '<':
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return lhs < rhs
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elif o == '>':
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return lhs > rhs
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elif o == '<=':
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return lhs <= rhs
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elif o == '>=':
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return lhs >= rhs
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else:
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lhs = str(False if lhs is None else lhs)
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if o == '!=':
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return rule.search(lhs) is None
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elif o == '==':
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return rule.search(lhs) is not None
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return f
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valid_targets = filter(_make_filter(key, op, value), valid_targets)
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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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targets = list(sorted(set(valid_targets)))
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return targets
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def search_keymap_targets(targets: List[Union[Tuple[str, str], Tuple[str, str, Dict[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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def _make_desc(e):
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if len(e) == 3:
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return KeyboardKeymapDesc(keyboard=e[0], keymap=e[1], extra_args=e[2])
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else:
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return KeyboardKeymapDesc(keyboard=e[0], keymap=e[1])
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targets = map(_make_desc, targets)
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targets = _filter_keymap_targets(expand_keymap_targets(targets), filters)
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targets = list(set(parallel_map(_construct_build_target, list(targets))))
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return sorted(targets)
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def search_make_targets(targets: List[Union[str, Tuple[str, Dict[str, 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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targets = _filter_keymap_targets(expand_make_targets(targets), filters)
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targets = list(set(parallel_map(_construct_build_target, list(targets))))
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return sorted(targets)
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