219 lines
6.3 KiB
Python
219 lines
6.3 KiB
Python
"""Functions that help us work with keyboards.
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"""
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from array import array
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from math import ceil
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from pathlib import Path
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import os
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from glob import glob
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import qmk.path
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from qmk.c_parse import parse_config_h_file
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from qmk.json_schema import json_load
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from qmk.makefile import parse_rules_mk_file
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BOX_DRAWING_CHARACTERS = {
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"unicode": {
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"tl": "┌",
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"tr": "┐",
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"bl": "└",
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"br": "┘",
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"v": "│",
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"h": "─",
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},
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"ascii": {
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"tl": " ",
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"tr": " ",
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"bl": "|",
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"br": "|",
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"v": "|",
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"h": "_",
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},
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}
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base_path = os.path.join(os.getcwd(), "keyboards") + os.path.sep
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def find_keyboard_from_dir():
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"""Returns a keyboard name based on the user's current directory.
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"""
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relative_cwd = qmk.path.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 qmk.path.is_keyboard(current_path):
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return str(current_path)
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def find_readme(keyboard):
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"""Returns the readme for this keyboard.
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"""
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cur_dir = qmk.path.keyboard(keyboard)
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keyboards_dir = Path('keyboards')
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while not (cur_dir / 'readme.md').exists():
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if cur_dir == keyboards_dir:
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return None
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cur_dir = cur_dir.parent
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return cur_dir / 'readme.md'
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def keyboard_folder(keyboard):
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"""Returns the actual keyboard folder.
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This checks aliases and DEFAULT_FOLDER to resolve the actual path for a keyboard.
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"""
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aliases = json_load(Path('data/mappings/keyboard_aliases.json'))
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if keyboard in aliases:
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keyboard = aliases[keyboard].get('target', keyboard)
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rules_mk_file = Path(base_path, keyboard, 'rules.mk')
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if rules_mk_file.exists():
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rules_mk = parse_rules_mk_file(rules_mk_file)
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keyboard = rules_mk.get('DEFAULT_FOLDER', keyboard)
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if not qmk.path.is_keyboard(keyboard):
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raise ValueError(f'Invalid keyboard: {keyboard}')
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return keyboard
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def _find_name(path):
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"""Determine the keyboard name by stripping off the base_path and rules.mk.
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"""
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return path.replace(base_path, "").replace(os.path.sep + "rules.mk", "")
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def keyboard_completer(prefix, action, parser, parsed_args):
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"""Returns a list of keyboards for tab completion.
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"""
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return list_keyboards()
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def list_keyboards():
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"""Returns a list of all keyboards.
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"""
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# We avoid pathlib here because this is performance critical code.
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kb_wildcard = os.path.join(base_path, "**", "rules.mk")
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paths = [path for path in glob(kb_wildcard, recursive=True) if 'keymaps' not in path]
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return sorted(set(map(resolve_keyboard, map(_find_name, paths))))
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def resolve_keyboard(keyboard):
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cur_dir = Path('keyboards')
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rules = parse_rules_mk_file(cur_dir / keyboard / 'rules.mk')
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while 'DEFAULT_FOLDER' in rules and keyboard != rules['DEFAULT_FOLDER']:
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keyboard = rules['DEFAULT_FOLDER']
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rules = parse_rules_mk_file(cur_dir / keyboard / 'rules.mk')
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return keyboard
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def config_h(keyboard):
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"""Parses all the config.h files for a keyboard.
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Args:
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keyboard: name of the keyboard
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Returns:
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a dictionary representing the content of the entire config.h tree for a keyboard
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"""
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config = {}
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cur_dir = Path('keyboards')
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keyboard = Path(resolve_keyboard(keyboard))
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for dir in keyboard.parts:
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cur_dir = cur_dir / dir
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config = {**config, **parse_config_h_file(cur_dir / 'config.h')}
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return config
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def rules_mk(keyboard):
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"""Get a rules.mk for a keyboard
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Args:
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keyboard: name of the keyboard
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Returns:
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a dictionary representing the content of the entire rules.mk tree for a keyboard
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"""
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cur_dir = Path('keyboards')
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keyboard = Path(resolve_keyboard(keyboard))
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rules = parse_rules_mk_file(cur_dir / keyboard / 'rules.mk')
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for i, dir in enumerate(keyboard.parts):
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cur_dir = cur_dir / dir
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rules = parse_rules_mk_file(cur_dir / 'rules.mk', rules)
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return rules
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def render_layout(layout_data, render_ascii, key_labels=None):
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"""Renders a single layout.
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"""
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textpad = [array('u', ' ' * 200) for x in range(100)]
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style = 'ascii' if render_ascii else 'unicode'
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box_chars = BOX_DRAWING_CHARACTERS[style]
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for key in layout_data:
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x = ceil(key.get('x', 0) * 4)
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y = ceil(key.get('y', 0) * 3)
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w = ceil(key.get('w', 1) * 4)
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h = ceil(key.get('h', 1) * 3)
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if key_labels:
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label = key_labels.pop(0)
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if label.startswith('KC_'):
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label = label[3:]
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else:
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label = key.get('label', '')
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label_len = w - 2
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label_leftover = label_len - len(label)
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if len(label) > label_len:
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label = label[:label_len]
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label_blank = ' ' * label_len
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label_border = box_chars['h'] * label_len
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label_middle = label + ' '*label_leftover # noqa: yapf insists there be no whitespace around *
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top_line = array('u', box_chars['tl'] + label_border + box_chars['tr'])
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lab_line = array('u', box_chars['v'] + label_middle + box_chars['v'])
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mid_line = array('u', box_chars['v'] + label_blank + box_chars['v'])
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bot_line = array('u', box_chars['bl'] + label_border + box_chars['br'])
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textpad[y][x:x + w] = top_line
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textpad[y + 1][x:x + w] = lab_line
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for i in range(h - 3):
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textpad[y + i + 2][x:x + w] = mid_line
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textpad[y + h - 1][x:x + w] = bot_line
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lines = []
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for line in textpad:
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if line.tounicode().strip():
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lines.append(line.tounicode().rstrip())
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return '\n'.join(lines)
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def render_layouts(info_json, render_ascii):
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"""Renders all the layouts from an `info_json` structure.
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"""
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layouts = {}
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for layout in info_json['layouts']:
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layout_data = info_json['layouts'][layout]['layout']
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layouts[layout] = render_layout(layout_data, render_ascii)
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return layouts
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