decla-red/frontend/error-pages/build.py
2020-07-16 16:35:41 +02:00

43 lines
1.2 KiB
Python

from typing import NamedTuple, Dict, List, Type
from os import makedirs, path
template_path = 'template.html'
result_path = 'built'
class Substitutions(NamedTuple):
title: str
description: str
error_messages: Dict[str, Substitutions] = {
'403': Substitutions(
title='403 - Forbidden',
description='You are not allowed to view this resource.'
),
'404': Substitutions(
title='404 - Not found',
description='The requested resource cannot be found.'
),
'50x': Substitutions(
title='50x - Server error',
description='It\'s my fault.'
),
}
def substitute(source: str, substitutions: Substitutions) -> str:
for i, property_name in enumerate(Substitutions._fields):
source = source.replace(f'{{{property_name}}}', str(substitutions[i]))
return source
if __name__ == '__main__':
with open(template_path) as f:
template = f.read()
makedirs(result_path, mode=0o440, exist_ok=True)
for name, substitutions in error_messages.items():
with open(path.join(result_path, f'{name}.html'), 'w') as f:
html = substitute(template, substitutions)
f.write(html)