eptm_dashboard/.venv/lib/python3.12/site-packages/granian/wsgi.py

98 lines
2.7 KiB
Python

import os
import sys
import time
from collections.abc import Callable
from functools import wraps
from typing import Any
from .log import log_request_builder
class Response:
__slots__ = ['status', 'headers']
def __init__(self):
self.status = 200
self.headers = []
def __call__(self, status: str, headers: list[tuple[str, str]], exc_info: Any = None):
self.status = int(status.split(' ', 1)[0])
self.headers = headers
class ResponseIterWrap:
__slots__ = ['inner', '__next__']
def __init__(self, inner):
self.inner = inner
self.__next__ = iter(inner).__next__
def close(self):
self.inner.close()
def _callback_wrapper(callback: Callable[..., Any], scope_opts: dict[str, Any], access_log_fmt=None):
basic_env: dict[str, Any] = dict(os.environ)
basic_env.update(
{
'GATEWAY_INTERFACE': 'CGI/1.1',
'SCRIPT_NAME': scope_opts.get('url_path_prefix') or '',
'SERVER_SOFTWARE': 'Granian',
'wsgi.errors': sys.stderr,
'wsgi.multiprocess': False,
'wsgi.multithread': True,
'wsgi.run_once': False,
'wsgi.version': (1, 0),
}
)
def _runner(proto, scope):
resp = Response()
scope.update(basic_env)
if scope['SCRIPT_NAME']:
scope['PATH_INFO'] = scope['PATH_INFO'][len(scope['SCRIPT_NAME']) :] or '/'
rv = callback(scope, resp)
if isinstance(rv, list):
proto.response_bytes(resp.status, resp.headers, b''.join(rv))
else:
proto.response_iter(resp.status, resp.headers, ResponseIterWrap(rv))
return resp.status
def _logger(proto, scope):
rt, mt = time.time(), time.perf_counter()
try:
status = _runner(proto, scope)
access_log(rt, mt, scope, status)
except BaseException:
access_log(rt, mt, scope, 500)
raise
return status
access_log = _build_access_logger(access_log_fmt)
wrapper = _logger if access_log_fmt else _runner
wraps(callback)(wrapper)
return wrapper
def _build_access_logger(fmt):
logger = log_request_builder(fmt)
def access_log(rt, mt, scope, resp_code):
logger(
rt,
mt,
{
'addr_remote': scope['REMOTE_ADDR'].rsplit(':', 1)[0],
'protocol': scope['SERVER_PROTOCOL'],
'path': scope['PATH_INFO'],
'qs': scope['QUERY_STRING'],
'method': scope['REQUEST_METHOD'],
'scheme': scope['wsgi.url_scheme'],
},
resp_code,
)
return access_log