mirror of
https://github.com/searxng/searxng.git
synced 2025-10-31 10:37:06 -04:00
113 lines
4.0 KiB
Python
113 lines
4.0 KiB
Python
import requests
|
|
|
|
from itertools import cycle
|
|
from threading import RLock
|
|
from searx import settings
|
|
|
|
|
|
class HTTPAdapterWithConnParams(requests.adapters.HTTPAdapter):
|
|
|
|
def __init__(self, pool_connections=requests.adapters.DEFAULT_POOLSIZE,
|
|
pool_maxsize=requests.adapters.DEFAULT_POOLSIZE,
|
|
max_retries=requests.adapters.DEFAULT_RETRIES,
|
|
pool_block=requests.adapters.DEFAULT_POOLBLOCK,
|
|
**conn_params):
|
|
if max_retries == requests.adapters.DEFAULT_RETRIES:
|
|
self.max_retries = requests.adapters.Retry(0, read=False)
|
|
else:
|
|
self.max_retries = requests.adapters.Retry.from_int(max_retries)
|
|
self.config = {}
|
|
self.proxy_manager = {}
|
|
|
|
super(requests.adapters.HTTPAdapter, self).__init__()
|
|
|
|
self._pool_connections = pool_connections
|
|
self._pool_maxsize = pool_maxsize
|
|
self._pool_block = pool_block
|
|
self._conn_params = conn_params
|
|
|
|
self.init_poolmanager(pool_connections, pool_maxsize, block=pool_block, **conn_params)
|
|
|
|
def __setstate__(self, state):
|
|
# Can't handle by adding 'proxy_manager' to self.__attrs__ because
|
|
# because self.poolmanager uses a lambda function, which isn't pickleable.
|
|
self.proxy_manager = {}
|
|
self.config = {}
|
|
|
|
for attr, value in state.items():
|
|
setattr(self, attr, value)
|
|
|
|
self.init_poolmanager(self._pool_connections, self._pool_maxsize,
|
|
block=self._pool_block, **self._conn_params)
|
|
|
|
|
|
connect = settings['outgoing'].get('pool_connections', 100) # Magic number kept from previous code
|
|
maxsize = settings['outgoing'].get('pool_maxsize', requests.adapters.DEFAULT_POOLSIZE) # Picked from constructor
|
|
if settings['outgoing'].get('source_ips'):
|
|
http_adapters = cycle(HTTPAdapterWithConnParams(pool_connections=connect, pool_maxsize=maxsize,
|
|
source_address=(source_ip, 0))
|
|
for source_ip in settings['outgoing']['source_ips'])
|
|
https_adapters = cycle(HTTPAdapterWithConnParams(pool_connections=connect, pool_maxsize=maxsize,
|
|
source_address=(source_ip, 0))
|
|
for source_ip in settings['outgoing']['source_ips'])
|
|
else:
|
|
http_adapters = cycle((HTTPAdapterWithConnParams(pool_connections=connect, pool_maxsize=maxsize), ))
|
|
https_adapters = cycle((HTTPAdapterWithConnParams(pool_connections=connect, pool_maxsize=maxsize), ))
|
|
|
|
|
|
class SessionSinglePool(requests.Session):
|
|
|
|
def __init__(self):
|
|
super(SessionSinglePool, self).__init__()
|
|
|
|
# reuse the same adapters
|
|
with RLock():
|
|
self.adapters.clear()
|
|
self.mount('https://', next(https_adapters))
|
|
self.mount('http://', next(http_adapters))
|
|
|
|
def close(self):
|
|
"""Call super, but clear adapters since there are managed globaly"""
|
|
self.adapters.clear()
|
|
super(SessionSinglePool, self).close()
|
|
|
|
|
|
def request(method, url, **kwargs):
|
|
"""same as requests/requests/api.py request(...) except it use SessionSinglePool and force proxies"""
|
|
session = SessionSinglePool()
|
|
kwargs['proxies'] = settings['outgoing'].get('proxies') or None
|
|
response = session.request(method=method, url=url, **kwargs)
|
|
session.close()
|
|
return response
|
|
|
|
|
|
def get(url, **kwargs):
|
|
kwargs.setdefault('allow_redirects', True)
|
|
return request('get', url, **kwargs)
|
|
|
|
|
|
def options(url, **kwargs):
|
|
kwargs.setdefault('allow_redirects', True)
|
|
return request('options', url, **kwargs)
|
|
|
|
|
|
def head(url, **kwargs):
|
|
kwargs.setdefault('allow_redirects', False)
|
|
return request('head', url, **kwargs)
|
|
|
|
|
|
def post(url, data=None, **kwargs):
|
|
return request('post', url, data=data, **kwargs)
|
|
|
|
|
|
def put(url, data=None, **kwargs):
|
|
return request('put', url, data=data, **kwargs)
|
|
|
|
|
|
def patch(url, data=None, **kwargs):
|
|
return request('patch', url, data=data, **kwargs)
|
|
|
|
|
|
def delete(url, **kwargs):
|
|
return request('delete', url, **kwargs)
|