72 lines
2.2 KiB
Python
72 lines
2.2 KiB
Python
"""This script generates the XAP info.json payload header to be compiled into QMK.
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"""
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import json
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import gzip
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from pathlib import Path
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from qmk.info import keymap_json
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from qmk.commands import get_chunks, dump_lines
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from qmk.json_schema import deep_update, json_load
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from qmk.json_encoders import InfoJSONEncoder
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from qmk.constants import GPL2_HEADER_C_LIKE, GENERATED_HEADER_C_LIKE
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def _build_info(keyboard, keymap):
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"""Build the xap version of info.json
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"""
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defaults_json = json_load(Path('data/mappings/xap_defaults.json'))
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km_info_json = keymap_json(keyboard, keymap)
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info_json = {}
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deep_update(info_json, defaults_json)
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deep_update(info_json, km_info_json)
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# TODO: Munge to XAP requirements
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info_json.pop('config_h_features', None)
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info_json.pop('keymaps', None)
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info_json.pop('parse_errors', None)
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info_json.pop('parse_warnings', None)
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info_json.get('usb', {}).pop('device_ver', None)
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for layout in info_json.get('layouts', {}).values():
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layout.pop('filename', None)
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layout.pop('c_macro', None)
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for item in layout.get('layout', []):
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item.pop('label', None)
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return info_json
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def generate_blob(output_file, keyboard, keymap):
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"""Generate XAP payload
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"""
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info_json = _build_info(keyboard, keymap)
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# Minify
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str_data = json.dumps(info_json, separators=(',', ':'))
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# Compress
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compressed = gzip.compress(str_data.encode("utf-8"), compresslevel=9)
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# split into lines to match xxd output
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hex_array = ["0x{:02X}".format(b) for b in compressed]
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data_len = len(hex_array)
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data = ""
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for chunk in get_chunks(hex_array, 12):
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data += f' {", ".join(chunk)},\n'
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lines = [GPL2_HEADER_C_LIKE, GENERATED_HEADER_C_LIKE, '#pragma once', '']
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lines.append('#if 0')
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lines.append('// Blob contains a minified+gzipped version of the following:')
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lines.append(json.dumps(info_json, cls=InfoJSONEncoder))
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lines.append('#endif')
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lines.append('')
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# Gen output file
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lines.append('static const unsigned char config_blob_gz[] PROGMEM = {')
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lines.append(data)
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lines.append('};')
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lines.append(f'#define CONFIG_BLOB_GZ_LEN {data_len}')
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dump_lines(output_file, lines)
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