lvgl/scripts/generate_lv_conf.py

122 lines
4.1 KiB
Python
Executable File

#!/usr/bin/env python3
import os
import re
import argparse
DIR_SCRIPTS = os.path.dirname(__file__)
REPO_ROOT = os.path.join(DIR_SCRIPTS, "..")
DIR_CWD = os.getcwd()
def fatal(msg):
print()
print("ERROR! " + msg)
exit(1)
def get_args():
parser = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter, description=""
"Update the configuration file of your existing project based on default parameters and latest LVGL template. Eg.:\n"
" python3 generate_lv_conf.py ./src \n"
" python3 generate_lv_conf.py --template modules/lvgl/lv_conf_template.h ./my_config_folder"
)
parser.add_argument('--template', type=str, default=REPO_ROOT, nargs='?',
help='Path of "lv_conf_template.h" file or the folder containing it\n(optional, 1 folder above the python script by default)')
parser.add_argument('--config', type=str, default=None, nargs='?',
help='Path of "lv_conf.h" file (optional)')
parser.add_argument('--defaults', type=str, default=None, nargs='?',
help='Path of "lv_conf.defaults" file (optional)')
parser.add_argument('target', metavar='target', type=str, default=DIR_CWD, nargs='?',
help='Folder containing "lv_conf.h" and "lv_conf.defaults" files\n(optional, current work folder by default)')
args = parser.parse_args()
if os.path.isdir(args.template):
args.template = os.path.join(args.template, "lv_conf_template.h")
if not args.config:
args.config = os.path.join(args.target, "lv_conf.h")
if not args.defaults:
args.defaults = os.path.join(args.target, "lv_conf.defaults")
if not os.path.exists(args.template):
fatal(f"Template file not found at {args.template}")
if not os.path.exists(args.config):
fatal(f"User config file not found at {args.config}")
if not os.path.exists(args.defaults):
fatal(f"User defaults not found at {args.defaults}")
return args
def parse_defaults(path: str):
defaults = {}
with open(path, 'r', encoding='utf-8') as file:
for line in file.readlines():
if len(line.strip()) == 0 or line.startswith('#'):
continue
groups = re.search(r'([A-Z0-9_]+)\s+(.+)', line).groups()
defaults[groups[0]] = groups[1]
return defaults
def generate_config(path_destination: str, path_source: str, defaults: dict):
with open(path_source, 'r', encoding='utf-8') as f_src:
src_lines = f_src.readlines()
keys_used = set()
dst_lines = []
for src_line in src_lines:
res = re.search(r'#define\s+([A-Z0-9_]+)\s+(.+)', src_line)
key = res.groups()[0] if res else None
if key in defaults.keys():
value = defaults[key]
pattern = r'(#define\s+[A-Z0-9_]+\s+)(.+)'
repl = r'\g<1>' + value
dst_line, _ = re.subn(pattern, repl, src_line)
if not dst_line:
fatal(f"Failed to apply key '{key}' to line '{src_line}'")
print(f"Applying: {key} = {value}")
keys_used.add(key)
elif 'Set this to "1" to enable content' in src_line:
dst_line = '#if 1 /* Enable content */'
else:
dst_line = src_line
dst_lines.append(dst_line)
if len(keys_used) != len(defaults):
unused_keys = [k for k in defaults.keys() if k not in keys_used]
fatal('The following keys are deprecated:\n ' + '\n '.join(unused_keys))
with open(path_destination, 'w', encoding='utf-8') as f_dst:
for dst_line in dst_lines:
f_dst.write(dst_line)
if __name__ == '__main__':
args = get_args()
print("Template:", args.template)
print("User config:", args.config)
print("User defaults:", args.defaults)
defaults = parse_defaults(args.defaults)
print(f"Loaded {len(defaults)} defaults")
generate_config(args.config, args.template, defaults)
print()
print('New config successfully generated!')