Files
lvgl/docs/config_builder.py
2025-07-22 09:29:28 -03:00

77 lines
2.1 KiB
Python

"""
Create lv_conf.h in same directory as this file
from ../lv_conf_template.h that has:
1. all its #define LV_USE... 0-or-1 options set to 1
(except for LV_USER_PROFILER),
2. all its #define LV_FONT... 0-or-1 options set to 1,
3. its #if 0 directive set to #if 1.
"""
import os
import sys
import re
base_path = os.path.dirname(__file__)
dest_config = os.path.join(base_path, 'lv_conf.h')
src_config = os.path.abspath(os.path.join(
base_path,
'..',
'lv_conf_template.h'
))
disabled_option_re = re.compile(r'^\s*#define\s+(LV_(?:USE|FONT)_\w+)\s+(\b0\b)')
leave_disabled_list = [
'LV_USE_PROFILER',
'LV_USE_DRAW_ARM2D_SYNC',
'LV_USE_NATIVE_HELIUM_ASM',
]
def run(output_cfg_path=None):
global dest_config
enable_content_macro_processed = False
os.chdir(base_path)
if output_cfg_path is not None:
dest_config = output_cfg_path
with open(src_config, 'r') as f:
data = f.read()
lines = data.split('\n')
for i, line in enumerate(lines):
if not enable_content_macro_processed:
if line.startswith('#if 0'):
line = line.replace('#if 0', '#if 1')
lines[i] = line
enable_content_macro_processed = True
else:
match = disabled_option_re.search(line)
if match:
# Except for these...
if match[1] in leave_disabled_list:
continue
else:
# ...replace '0' with '1' without altering any other part of line.
# Set `j` to index where '0' was found.
j = match.regs[2][0]
# Surgically insert '1' in place of '0'. Strings are immutable.
line = line[:j] + '1' + line[j + 1:]
lines[i] = line
data = '\n'.join(lines)
with open(dest_config, 'w') as f:
f.write(data)
def cleanup():
if os.path.exists(dest_config):
os.remove(dest_config)
if __name__ == '__main__':
"""Make module importable as well as run-able."""
run()