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import socket
from requests.adapters import HTTPAdapter
from requests.compat import urlparse, unquote
try:
import http.client as httplib
except ImportError:
import httplib
try:
from requests.packages import urllib3
except ImportError:
import urllib3
# The following was adapted from some code from docker-py
class UnixHTTPConnection(httplib.HTTPConnection, object):
def __init__(self, unix_socket_url, timeout=60):
"""Create an HTTP connection to a unix domain socket
:param unix_socket_url: A URL with a scheme of 'http+unix' and the
netloc is a percent-encoded path to a unix domain socket. E.g.:
"""
super(UnixHTTPConnection, self).__init__('localhost', timeout=timeout)
self.unix_socket_url = unix_socket_url
self.timeout = timeout
self.sock = None
def __del__(self): # base class does not have d'tor
if self.sock:
self.sock.close()
def connect(self):
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.settimeout(self.timeout)
socket_path = unquote(urlparse(self.unix_socket_url).netloc)
sock.connect(socket_path)
self.sock = sock
class UnixHTTPConnectionPool(urllib3.connectionpool.HTTPConnectionPool):
def __init__(self, socket_path, timeout=60):
super(UnixHTTPConnectionPool, self).__init__(
'localhost', timeout=timeout)
self.socket_path = socket_path
self.timeout = timeout
def _new_conn(self):
return UnixHTTPConnection(self.socket_path, self.timeout)
class UnixAdapter(HTTPAdapter):
def __init__(self, timeout=60, pool_connections=25):
super(UnixAdapter, self).__init__()
self.timeout = timeout
self.pools = urllib3._collections.RecentlyUsedContainer(
pool_connections, dispose_func=lambda p: p.close()
)
super(UnixAdapter, self).__init__()
def get_connection(self, url, proxies=None):
proxies = proxies or {}
proxy = proxies.get(urlparse(url.lower()).scheme)
if proxy:
raise ValueError('%s does not support specifying proxies'
% self.__class__.__name__)
with self.pools.lock:
pool = self.pools.get(url)
if pool:
return pool
pool = UnixHTTPConnectionPool(url, self.timeout)
self.pools[url] = pool
return pool
def request_url(self, request, proxies):
return request.path_url
def close(self):
self.pools.clear()