forked from forks/qmk_firmware
410 lines
18 KiB
Python
Executable file
410 lines
18 KiB
Python
Executable file
#!/usr/bin/env python
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import argparse
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import pycparser
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import re
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class KeymapBeautifier:
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justify_toward_center = False
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filename_in = None
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filename_out = None
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output_layout = None
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output = None
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column_max_widths = {}
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KEY_ALIASES = {
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"KC_TRANSPARENT": "_______",
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"KC_TRNS": "_______",
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"KC_NO": "XXXXXXX",
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}
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KEYMAP_START = 'const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {\n'
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KEYMAP_END = '};\n'
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KEYMAP_START_REPLACEMENT = "const int keymaps[]={\n"
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KEY_CHART = """
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/*
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* ,--------------------------------------------------. ,--------------------------------------------------.
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* | 0 | 1 | 2 | 3 | 4 | 5 | 6 | | 38 | 39 | 40 | 41 | 42 | 43 | 44 |
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* |--------+------+------+------+------+------+------| |------+------+------+------+------+------+--------|
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* | 7 | 8 | 9 | 10 | 11 | 12 | 13 | | 45 | 46 | 47 | 48 | 49 | 50 | 51 |
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* |--------+------+------+------+------+------| | | |------+------+------+------+------+--------|
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* | 14 | 15 | 16 | 17 | 18 | 19 |------| |------| 52 | 53 | 54 | 55 | 56 | 57 |
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* |--------+------+------+------+------+------| 26 | | 58 |------+------+------+------+------+--------|
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* | 20 | 21 | 22 | 23 | 24 | 25 | | | | 59 | 60 | 61 | 62 | 63 | 64 |
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* `--------+------+------+------+------+-------------' `-------------+------+------+------+------+--------'
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* | 27 | 28 | 29 | 30 | 31 | | 65 | 66 | 67 | 68 | 69 |
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* `----------------------------------' `----------------------------------'
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* ,-------------. ,-------------.
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* | 32 | 33 | | 70 | 71 |
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* ,------+------+------| |------+------+------.
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* | | | 34 | | 72 | | |
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* | 35 | 36 |------| |------| 74 | 75 |
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* | | | 37 | | 73 | | |
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* `--------------------' `--------------------'
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*/
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"""
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KEY_COORDINATES = {
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'LAYOUT_ergodox': [
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# left hand
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(0,0), (0,1), (0,2), (0,3), (0,4), (0,5), (0,6),
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(1,0), (1,1), (1,2), (1,3), (1,4), (1,5), (1,6),
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(2,0), (2,1), (2,2), (2,3), (2,4), (2,5),
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(3,0), (3,1), (3,2), (3,3), (3,4), (3,5), (3,6),
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(4,0), (4,1), (4,2), (4,3), (4,4),
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# left thumb
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(5,5), (5,6),
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(6,6),
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(7,4), (7,5), (7,6),
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# right hand
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(8,0), (8,1), (8,2), (8,3), (8,4), (8,5), (8,6),
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(9,0), (9,1), (9,2), (9,3), (9,4), (9,5), (9,6),
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(10,1), (10,2), (10,3), (10,4), (10,5), (10,6),
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(11,0), (11,1), (11,2), (11,3), (11,4), (11,5), (11,6),
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(12,2), (12,3), (12,4), (12,5), (12,6),
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# right thumb
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(13,0), (13,1),
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(14,0),
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(15,0), (15,1), (15,2)
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],
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'LAYOUT_ergodox_pretty': [
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# left hand and right hand
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(0,0), (0,1), (0,2), (0,3), (0,4), (0,5), (0,6), (0,7), (0,8), (0,9), (0,10), (0,11), (0,12), (0,13),
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(1,0), (1,1), (1,2), (1,3), (1,4), (1,5), (1,6), (1,7), (1,8), (1,9), (1,10), (1,11), (1,12), (1,13),
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(2,0), (2,1), (2,2), (2,3), (2,4), (2,5), (2,8), (2,9), (2,10), (2,11), (2,12), (2,13),
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(3,0), (3,1), (3,2), (3,3), (3,4), (3,5), (3,6), (3,7), (3,8), (3,9), (3,10), (3,11), (3,12), (3,13),
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(4,0), (4,1), (4,2), (4,3), (4,4), (4,9), (4,10), (4,11), (4,12), (4,13),
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# left thumb and right thumb
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(5,5), (5,6), (5,7), (5,8),
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(6,6), (6,7),
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(7,4), (7,5), (7,6), (7,7), (7,8), (7,9)
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],
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}
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current_converted_KEY_COORDINATES = []
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# each column is aligned within each group (tuples of row indexes are inclusive)
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KEY_ROW_GROUPS = {
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'LAYOUT_ergodox': [(0,4),(5,7),(8,12),(13,15)],
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'LAYOUT_ergodox_pretty': [(0,7)],
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#'LAYOUT_ergodox_pretty': [(0,5),(6,7)],
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#'LAYOUT_ergodox_pretty': [(0,3),(4,4),(5,7)],
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#'LAYOUT_ergodox_pretty': [(0,4),(5,7)],
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}
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INDEX_CONVERSTION_LAYOUT_ergodox_pretty_to_LAYOUT_ergodox = [
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0, 1, 2, 3, 4, 5, 6, 38,39,40,41,42,43,44,
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7, 8, 9,10,11,12,13, 45,46,47,48,49,50,51,
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14,15,16,17,18,19, 52,53,54,55,56,57,
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20,21,22,23,24,25,26, 58,59,60,61,62,63,64,
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27,28,29,30,31, 65,66,67,68,69,
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32,33, 70,71,
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34, 72,
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35,36,37, 73,74,75,
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]
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def index_conversion_map_reversed(self, conversion_map):
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return [conversion_map.index(i) for i in range(len(conversion_map))]
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def __init__(self, source_code = "", output_layout="LAYOUT_ergodox", justify_toward_center = False):
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self.output_layout = output_layout
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self.justify_toward_center = justify_toward_center
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# determine the conversion map
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#if input_layout == self.output_layout:
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# conversion_map = [i for i in range(len(self.INDEX_CONVERSTION_LAYOUT_ergodox_pretty_to_LAYOUT_ergodox))]
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#conversion_map = self.INDEX_CONVERSTION_LAYOUT_ergodox_pretty_to_LAYOUT_ergodox
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if self.output_layout == "LAYOUT_ergodox_pretty":
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index_conversion_map = self.index_conversion_map_reversed(self.INDEX_CONVERSTION_LAYOUT_ergodox_pretty_to_LAYOUT_ergodox)
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else:
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index_conversion_map = list(range(len(self.INDEX_CONVERSTION_LAYOUT_ergodox_pretty_to_LAYOUT_ergodox)))
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self.current_converted_KEY_COORDINATES = [
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self.KEY_COORDINATES[self.output_layout][index_conversion_map[i]]
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for i in range(len(self.KEY_COORDINATES[self.output_layout]))
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]
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self.output = self.beautify_source_code(source_code)
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def beautify_source_code(self, source_code):
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# to keep it simple for the parser, we only use the parser to parse the key definition part
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src = {
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"before": [],
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"keys": [],
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"after": [],
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}
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current_section = "before"
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for line in source_code.splitlines(True):
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if current_section == 'before' and line == self.KEYMAP_START:
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src[current_section].append("\n")
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current_section = 'keys'
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src[current_section].append(self.KEYMAP_START_REPLACEMENT)
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continue
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elif current_section == 'keys' and line == self.KEYMAP_END:
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src[current_section].append(self.KEYMAP_END)
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current_section = 'after'
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continue
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src[current_section].append(line)
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output_lines = src['before'] + self.beautify_keys_section("".join(src['keys'])) + src['after']
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return "".join(output_lines)
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def beautify_keys_section(self, src):
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parsed = self.parser(src)
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layer_output = []
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keymap = parsed.children()[0]
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layers = keymap[1]
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for layer in layers.init.exprs:
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input_layout = layer.expr.name.name
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key_symbols = self.layer_expr(layer)
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# re-order keys from input_layout to regular layout
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if input_layout == "LAYOUT_ergodox_pretty":
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key_symbols = [key_symbols[i] for i in self.index_conversion_map_reversed(self.INDEX_CONVERSTION_LAYOUT_ergodox_pretty_to_LAYOUT_ergodox)]
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padded_key_symbols = self.pad_key_symbols(key_symbols, input_layout)
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layer_identifier = None
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if hasattr(layer.name[0], "value"):
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layer_identifier = layer.name[0].value
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elif hasattr(layer.name[0], "name"):
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layer_identifier = layer.name[0].name
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else:
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raise AttributeError("Layer is missing both index and name (e.g., [BASE] = LAYOUT_ergodox(...))")
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current_pretty_output_layer = self.pretty_output_layer(layer_identifier, padded_key_symbols)
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# strip trailing spaces from padding
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layer_output.append(re.sub(r" +\n", "\n", current_pretty_output_layer))
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return [self.KEYMAP_START + "\n",
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self.KEY_CHART + "\n",
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",\n\n".join(layer_output) + "\n",
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self.KEYMAP_END + "\n"]
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def get_row_group(self, row):
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for low, high in self.KEY_ROW_GROUPS[self.output_layout]:
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if low <= row <= high:
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return (low, high)
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raise Exception("Cannot find row groups in KEY_ROW_GROUPS")
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def calculate_column_max_widths(self, key_symbols):
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# calculate the max width for each column
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self.column_max_widths = {}
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for i in range(len(key_symbols)):
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row_index, column_index = self.current_converted_KEY_COORDINATES[i]
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row_group = self.get_row_group(row_index)
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if (row_group, column_index) in self.column_max_widths:
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self.column_max_widths[(row_group, column_index)] = max(self.column_max_widths[(row_group, column_index)], len(key_symbols[i]))
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else:
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self.column_max_widths[(row_group, column_index)] = len(key_symbols[i])
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def pad_key_symbols(self, key_symbols, input_layout, just='left'):
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self.calculate_column_max_widths(key_symbols)
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padded_key_symbols = []
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# pad each key symbol
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for i in range(len(key_symbols)):
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key = key_symbols[i]
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# look up column coordinate to determine number of spaces to pad
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row_index, column_index = self.current_converted_KEY_COORDINATES[i]
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row_group = self.get_row_group(row_index)
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if just == 'left':
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padded_key_symbols.append(key.ljust(self.column_max_widths[(row_group, column_index)]))
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else:
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padded_key_symbols.append(key.rjust(self.column_max_widths[(row_group, column_index)]))
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return padded_key_symbols
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layer_keys_pointer = 0
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layer_keys = None
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def grab_next_n_columns(self, n_columns, input_layout, layer_keys = None, from_beginning = False):
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if layer_keys:
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self.layer_keys = layer_keys
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if from_beginning:
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self.layer_keys_pointer = 0
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begin = self.layer_keys_pointer
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return self.layer_keys[self.layer_keys_pointer-n_keys:self.layer_keys_pointer]
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key_coordinates_counter = 0
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def get_padded_line(self, source_keys, key_from, key_to, just="left"):
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if just == "right":
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keys = [k.strip().rjust(len(k)) for k in source_keys[key_from:key_to]]
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else:
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keys = [k for k in source_keys[key_from:key_to]]
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from_row, from_column = self.KEY_COORDINATES[self.output_layout][self.key_coordinates_counter]
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row_group = self.get_row_group(from_row)
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self.key_coordinates_counter += key_to - key_from
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columns_before_key_from = sorted([col for row, col in self.KEY_COORDINATES[self.output_layout] if row == from_row and col < from_column])
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# figure out which columns in this row needs padding; only pad empty columns to the right of an existing column
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columns_to_pad = { c: True for c in range(from_column) }
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if columns_before_key_from:
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for c in range(max(columns_before_key_from)+1):
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columns_to_pad[c] = False
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# for rows with fewer columns that don't start with column 0, we need to insert leading spaces
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spaces = 0
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for c, v in columns_to_pad.items():
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if not v:
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continue
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if (row_group,c) in self.column_max_widths:
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spaces += self.column_max_widths[(row_group,c)] + len(", ")
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else:
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spaces += 0
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return " " * spaces + ", ".join(keys) + ","
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def pretty_output_layer(self, layer, keys):
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self.key_coordinates_counter = 0
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if self.output_layout == "LAYOUT_ergodox":
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formatted_key_symbols = """
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// left hand
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{}
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{}
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{}
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{}
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{}
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// left thumb
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{}
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{}
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{}
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// right hand
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{}
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{}
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{}
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{}
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{}
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// right thumb
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{}
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{}
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{}
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""".format(
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# left hand
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self.get_padded_line(keys, 0, 7, just="left"),
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self.get_padded_line(keys, 7, 14, just="left"),
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self.get_padded_line(keys, 14, 20, just="left"),
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self.get_padded_line(keys, 20, 27, just="left"),
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self.get_padded_line(keys, 27, 32, just="left"),
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# left thumb
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self.get_padded_line(keys, 32, 34, just="left"),
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self.get_padded_line(keys, 34, 35, just="left"),
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self.get_padded_line(keys, 35, 38, just="left"),
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# right hand
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self.get_padded_line(keys, 38, 45, just="left"),
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self.get_padded_line(keys, 45, 52, just="left"),
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self.get_padded_line(keys, 52, 58, just="left"),
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self.get_padded_line(keys, 58, 65, just="left"),
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self.get_padded_line(keys, 65, 70, just="left"),
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# right thumb
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self.get_padded_line(keys, 70, 72, just="left"),
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self.get_padded_line(keys, 72, 73, just="left"),
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self.get_padded_line(keys, 73, 76, just="left"),
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)
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elif self.output_layout == "LAYOUT_ergodox_pretty":
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left_half_justification = "right" if self.justify_toward_center else "left"
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formatted_key_symbols = """
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{} {}
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{} {}
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{} {}
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{} {}
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{} {}
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{} {}
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{} {}
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{} {}
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""".format(
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self.get_padded_line(keys, 0, 7, just=left_half_justification), self.get_padded_line(keys, 38, 45, just="left"),
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self.get_padded_line(keys, 7, 14, just=left_half_justification), self.get_padded_line(keys, 45, 52, just="left"),
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self.get_padded_line(keys, 14, 20, just=left_half_justification), self.get_padded_line(keys, 52, 58, just="left"),
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self.get_padded_line(keys, 20, 27, just=left_half_justification), self.get_padded_line(keys, 58, 65, just="left"),
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self.get_padded_line(keys, 27, 32, just=left_half_justification), self.get_padded_line(keys, 65, 70, just="left"),
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self.get_padded_line(keys, 32, 34, just=left_half_justification), self.get_padded_line(keys, 70, 72, just="left"),
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self.get_padded_line(keys, 34, 35, just=left_half_justification), self.get_padded_line(keys, 72, 73, just="left"),
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self.get_padded_line(keys, 35, 38, just=left_half_justification), self.get_padded_line(keys, 73, 76, just="left"),
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)
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else:
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formatted_key_symbols = ""
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# rid of the trailing comma
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formatted_key_symbols = formatted_key_symbols[0:len(formatted_key_symbols)-2] + "\n"
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s = "[{}] = {}({})".format(layer, self.output_layout, formatted_key_symbols)
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return s
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# helper functions for pycparser
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def parser(self, src):
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src = self.comment_remover(src)
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return pycparser.CParser().parse(src)
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def comment_remover(self, text):
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# remove comments since pycparser cannot deal with them
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# credit: https://stackoverflow.com/a/241506
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def replacer(match):
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s = match.group(0)
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if s.startswith('/'):
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return " " # note: a space and not an empty string
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else:
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return s
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pattern = re.compile(
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r'//.*?$|/\*.*?\*/|\'(?:\\.|[^\\\'])*\'|"(?:\\.|[^\\"])*"',
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re.DOTALL | re.MULTILINE
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)
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return re.sub(pattern, replacer, text)
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def function_expr(self, f):
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name = f.name.name
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args = []
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for arg in f.args.exprs:
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if type(arg) is pycparser.c_ast.Constant:
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args.append(arg.value)
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elif type(arg) is pycparser.c_ast.ID:
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args.append(arg.name)
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elif type(arg) is pycparser.c_ast.FuncCall:
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args.append(self.function_expr(arg))
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return "{}({})".format(name, ",".join(args))
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def key_expr(self, raw):
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if type(raw) is pycparser.c_ast.ID:
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if raw.name in self.KEY_ALIASES:
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return self.KEY_ALIASES[raw.name]
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return raw.name
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elif type(raw) is pycparser.c_ast.FuncCall:
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return self.function_expr(raw)
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def layer_expr(self, layer):
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transformed = [self.key_expr(k) for k in layer.expr.args.exprs]
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return transformed
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description="Beautify keymap.c downloaded from ErgoDox-Ez Configurator for easier customization.")
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parser.add_argument("input_filename", help="input file: c source code file that has the layer keymaps")
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parser.add_argument("-o", "--output-filename", help="output file: beautified c filename. If not given, output to STDOUT.")
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parser.add_argument("-p", "--pretty-output-layout", action="store_true", help="use LAYOUT_ergodox_pretty for output instead of LAYOUT_ergodox")
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parser.add_argument("-c", "--justify-toward-center", action="store_true", help="for LAYOUT_ergodox_pretty, align right for the left half, and align left for the right half. Default is align left for both halves.")
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args = parser.parse_args()
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if args.pretty_output_layout:
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output_layout="LAYOUT_ergodox_pretty"
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else:
|
|
output_layout="LAYOUT_ergodox"
|
|
with open(args.input_filename) as f:
|
|
source_code = f.read()
|
|
result = KeymapBeautifier(source_code, output_layout=output_layout, justify_toward_center=args.justify_toward_center).output
|
|
if args.output_filename:
|
|
with open(args.output_filename, "w") as f:
|
|
f.write(result)
|
|
else:
|
|
print(result)
|
|
|