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125 lines
5.0 KiB
125 lines
5.0 KiB
"""Functions for searching through QMK keyboards and keymaps.
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"""
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import contextlib
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import fnmatch
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import logging
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import multiprocessing
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import re
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from dotty_dict import dotty
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from milc import cli
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from qmk.info import keymap_json
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import qmk.keyboard
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import qmk.keymap
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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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with ignore_logging():
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return (keyboard, qmk.keymap.list_keymaps(keyboard))
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def _keymap_exists(keyboard, keymap):
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with ignore_logging():
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return keyboard if qmk.keymap.locate_keymap(keyboard, keymap) is not None else None
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def _load_keymap_info(keyboard, keymap):
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with ignore_logging():
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return (keyboard, keymap, keymap_json(keyboard, keymap))
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def search_keymap_targets(keymap='default', filters=[], print_vals=[]):
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targets = []
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with multiprocessing.Pool() as pool:
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cli.log.info(f'Retrieving list of keyboards with keymap "{keymap}"...')
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target_list = []
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if keymap == 'all':
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kb_to_kms = pool.map(_all_keymaps, qmk.keyboard.list_keyboards())
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for targets in kb_to_kms:
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keyboard = targets[0]
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keymaps = targets[1]
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target_list.extend([(keyboard, keymap) for keymap in keymaps])
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else:
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target_list = [(kb, keymap) for kb in filter(lambda kb: kb is not None, pool.starmap(_keymap_exists, [(kb, keymap) for kb in qmk.keyboard.list_keyboards()]))]
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if len(filters) == 0:
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targets = [(kb, km, {}) for kb, km in 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 pool.starmap(_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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if value is not None:
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if func_name == 'length':
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valid_keymaps = filter(lambda e, key=key, value=value: key in e[2] and len(e[2].get(key)) == int(value), valid_keymaps)
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elif func_name == 'contains':
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valid_keymaps = filter(lambda e, key=key, value=value: key in e[2] and value in e[2].get(key), valid_keymaps)
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else:
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cli.log.warning(f'Unrecognized filter expression: {function_match.group(0)}')
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continue
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cli.log.info(f'Filtering on condition: {{fg_green}}{func_name}{{fg_reset}}({{fg_cyan}}{key}{{fg_reset}}, {{fg_cyan}}{value}{{fg_reset}})...')
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else:
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if func_name == 'exists':
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valid_keymaps = filter(lambda e, key=key: key in e[2], valid_keymaps)
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elif func_name == 'absent':
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valid_keymaps = filter(lambda e, key=key: key not in e[2], valid_keymaps)
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else:
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cli.log.warning(f'Unrecognized filter expression: {function_match.group(0)}')
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continue
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cli.log.info(f'Filtering on condition: {{fg_green}}{func_name}{{fg_reset}}({{fg_cyan}}{key}{{fg_reset}})...')
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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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targets = [(e[0], e[1], [(p, e[2].get(p)) for p in print_vals]) for e in valid_keymaps]
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return targets
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