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import re
from backend.utils import NOT_FOUND_CODE, BAD_REQUEST_CODE
from backend.core import Response, ErrorResponse
def route(url_format, methods=None):
if methods is None:
methods = ['GET']
def wrapper(func):
def inner(url, query, *args, **kwargs):
pattern = re.compile(url_format)
match = re.fullmatch(pattern, url)
if match is None or len(match.groups()) != pattern.groups:
return ErrorResponse(BAD_REQUEST_CODE)
return func(query, *match.groups(), *args, **kwargs)
_router_tree[url_format] = _router_tree.get(url_format, {})
for method in methods:
_router_tree[url_format][method] = inner
return inner
return wrapper
def run(request) -> Response:
res = ErrorResponse(NOT_FOUND_CODE)
method, url = request['method'], request['url']
for url_pattern in _router_tree:
if re.fullmatch(url_pattern, url) and method in _router_tree[url_pattern]:
res = _router_tree[url_pattern][method](url, request['query'])
break
return res
_router_tree = {}
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