101 lines
2.6 KiB
Python
101 lines
2.6 KiB
Python
"""Functions that help you work with QMK keymaps.
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"""
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import json
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import logging
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import os
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from traceback import format_exc
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import qmk.path
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from qmk.errors import NoSuchKeyboardError
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# The `keymap.c` template to use when a keyboard doesn't have its own
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DEFAULT_KEYMAP_C = """#include QMK_KEYBOARD_H
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/* THIS FILE WAS GENERATED!
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*
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* This file was generated by qmk-compile-json. You may or may not want to
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* edit it directly.
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*/
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const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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__KEYMAP_GOES_HERE__
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};
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"""
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def template(keyboard):
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"""Returns the `keymap.c` template for a keyboard.
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If a template exists in `keyboards/<keyboard>/templates/keymap.c` that
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text will be used instead of `DEFAULT_KEYMAP_C`.
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Args:
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keyboard
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The keyboard to return a template for.
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"""
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template_name = 'keyboards/%s/templates/keymap.c' % keyboard
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if os.path.exists(template_name):
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with open(template_name, 'r') as fd:
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return fd.read()
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return DEFAULT_KEYMAP_C
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def generate(keyboard, layout, layers):
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"""Returns a keymap.c for the specified keyboard, layout, and layers.
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Args:
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keyboard
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The name of the keyboard
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layout
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The LAYOUT macro this keymap uses.
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layers
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An array of arrays describing the keymap. Each item in the inner array should be a string that is a valid QMK keycode.
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"""
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layer_txt = []
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for layer_num, layer in enumerate(layers):
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if layer_num != 0:
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layer_txt[-1] = layer_txt[-1] + ','
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layer_keys = ', '.join(layer)
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layer_txt.append('\t[%s] = %s(%s)' % (layer_num, layout, layer_keys))
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keymap = '\n'.join(layer_txt)
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keymap_c = template(keyboard)
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return keymap_c.replace('__KEYMAP_GOES_HERE__', keymap)
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def write(keyboard, keymap, layout, layers):
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"""Generate the `keymap.c` and write it to disk.
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Returns the filename written to.
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Args:
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keyboard
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The name of the keyboard
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keymap
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The name of the keymap
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layout
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The LAYOUT macro this keymap uses.
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layers
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An array of arrays describing the keymap. Each item in the inner array should be a string that is a valid QMK keycode.
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"""
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keymap_c = generate(keyboard, layout, layers)
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keymap_path = qmk.path.keymap(keyboard)
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keymap_dir = os.path.join(keymap_path, keymap)
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keymap_file = os.path.join(keymap_dir, 'keymap.c')
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if not os.path.exists(keymap_dir):
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os.makedirs(keymap_dir)
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with open(keymap_file, 'w') as keymap_fd:
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keymap_fd.write(keymap_c)
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return keymap_file
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