本文整理汇总了Python中urllib3.connection方法的典型用法代码示例。如果您正苦于以下问题:Python urllib3.connection方法的具体用法?Python urllib3.connection怎么用?Python urllib3.connection使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类urllib3
的用法示例。
在下文中一共展示了urllib3.connection方法的7个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _new_conn
# 需要导入模块: import urllib3 [as 别名]
# 或者: from urllib3 import connection [as 别名]
def _new_conn(self):
extra_kw = {
"family": self.family
}
if self.source_address:
extra_kw['source_address'] = self.source_address
if self.socket_options:
extra_kw['socket_options'] = self.socket_options
try:
dns_host = getattr(self, "_dns_host", self.host)
conn = create_connection(
(dns_host, self.port), self.timeout, **extra_kw)
except socket.timeout:
raise urllib3.exceptions.ConnectTimeoutError(
self, "Connection to %s timed out. (connect timeout=%s)" %
(self.host, self.timeout))
except OSError as e:
raise urllib3.exceptions.NewConnectionError(
self, "Failed to establish a new connection: %s" % e)
return conn
示例2: _send_request
# 需要导入模块: import urllib3 [as 别名]
# 或者: from urllib3 import connection [as 别名]
def _send_request(wrapped, instance, args, kwargs):
def decompose_args(method, url, body, headers, encode_chunked=False):
# skip httplib tracing for SDK built-in centralized sampling pollers
if (('/GetSamplingRules' in args or '/SamplingTargets' in args) and
type(instance).__name__ == 'botocore.awsrequest.AWSHTTPConnection'):
return wrapped(*args, **kwargs)
# Only injects headers when the subsegment for the outgoing
# calls are opened successfully.
subsegment = None
try:
subsegment = xray_recorder.current_subsegment()
except SegmentNotFoundException:
pass
if subsegment:
inject_trace_header(headers, subsegment)
if issubclass(instance.__class__, urllib3.connection.HTTPSConnection):
ssl_cxt = getattr(instance, 'ssl_context', None)
elif issubclass(instance.__class__, httplib.HTTPSConnection):
ssl_cxt = getattr(instance, '_context', None)
else:
# In this case, the patcher can't determine which module the connection instance is from.
# We default to it to check ssl_context but may be None so that the default scheme would be
# (and may falsely be) http.
ssl_cxt = getattr(instance, 'ssl_context', None)
scheme = 'https' if ssl_cxt and type(ssl_cxt).__name__ == 'SSLContext' else 'http'
xray_url = '{}://{}{}'.format(scheme, instance.host, url)
xray_data = _XRay_Data(method, instance.host, xray_url)
setattr(instance, _XRAY_PROP, xray_data)
# we add a segment here in case connect fails
return xray_recorder.record_subsegment(
wrapped, instance, args, kwargs,
name=get_hostname(xray_data.url),
namespace='remote',
meta_processor=http_send_request_processor
)
return decompose_args(*args, **kwargs)
示例3: status
# 需要导入模块: import urllib3 [as 别名]
# 或者: from urllib3 import connection [as 别名]
def status(self):
ret = dict(last_getinfo=self.last_getinfo,
connections=[])
for connection in self._conn.pool.queue:
if connection is None:
continue
ret['connections'].append(connection.status)
return ret
示例4: __init__
# 需要导入模块: import urllib3 [as 别名]
# 或者: from urllib3 import connection [as 别名]
def __init__(self):
self._down_connections = [] # list of RPC conns that are down
self._poll_connection = None # our currently active RPC connection
self._live_connections = [] # list of live RPC connections
self._connected = Event() # An event type status flag
示例5: _monitor_nodes
# 需要导入模块: import urllib3 [as 别名]
# 或者: from urllib3 import connection [as 别名]
def _monitor_nodes(self):
remlist = []
for conn in self._down_connections:
try:
conn.getinfo()
except (urllib3.exceptions.HTTPError, CoinRPCException, ValueError):
self.logger.warn("RPC connection {} still down!".format(conn.name))
continue
self._live_connections.append(conn)
remlist.append(conn)
self.logger.info("Now connected to {} RPC Server {}."
.format(self.config['currency'], conn.name))
# if this connection has a higher priority than current
if self._poll_connection is not None:
curr_poll = self._poll_connection.config['poll_priority']
if conn.config['poll_priority'] > curr_poll:
self.logger.info("RPC connection {} has higher poll priority than "
"current poll connection, switching..."
.format(conn.name))
self._poll_connection = conn
else:
self._connected.set()
self._poll_connection = conn
self.logger.info("RPC connection {} defaulting poll connection"
.format(conn.name))
for conn in remlist:
self._down_connections.remove(conn)
示例6: down_connection
# 需要导入模块: import urllib3 [as 别名]
# 或者: from urllib3 import connection [as 别名]
def down_connection(self, conn):
""" Called when a connection goes down. Removes if from the list of
live connections and recomputes a new. """
if not conn:
self.logger.warn("Tried to down a NoneType connection")
return
if conn in self._live_connections:
self._live_connections.remove(conn)
if self._poll_connection is conn:
# find the next best poll connection
try:
self._poll_connection = min(self._live_connections,
key=lambda x: x.config['poll_priority'])
except ValueError:
self._poll_connection = None
self._connected.clear()
self.logger.error("No RPC connections available for polling!!!")
else:
self.logger.warn("RPC connection {} switching to poll_connection "
"after {} went down!"
.format(self._poll_connection.name, conn.name))
if conn not in self._down_connections:
self.logger.info("Server at {} now reporting down".format(conn.name))
self._down_connections.append(conn)
示例7: create_connection
# 需要导入模块: import urllib3 [as 别名]
# 或者: from urllib3 import connection [as 别名]
def create_connection(address, timeout=socket._GLOBAL_DEFAULT_TIMEOUT,
source_address=None, socket_options=None,
family=socket.AF_UNSPEC):
host, port = address
if host.startswith('['):
host = host.strip('[]')
err = None
if not family or family == socket.AF_UNSPEC:
family = urllib3.util.connection.allowed_gai_family()
for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):
af, socktype, proto, canonname, sa = res
sock = None
try:
sock = socket.socket(af, socktype, proto)
# If provided, set socket level options before connecting.
if socket_options is not None:
for opt in socket_options:
sock.setsockopt(*opt)
if timeout is not socket._GLOBAL_DEFAULT_TIMEOUT:
sock.settimeout(timeout)
if source_address:
sock.bind(source_address)
sock.connect(sa)
return sock
except OSError as e:
err = e
if sock is not None:
sock.close()
sock = None
if err is not None:
raise err
raise OSError("getaddrinfo returns an empty list")
# Override the `urllib3` low-level Connection objects that do the actual work
# of speaking HTTP