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init commit of 24.0.1 custom signet image
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Richard Safier
204
miner_imports/test_framework/authproxy.py
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204
miner_imports/test_framework/authproxy.py
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# Copyright (c) 2011 Jeff Garzik
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#
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# Previous copyright, from python-jsonrpc/jsonrpc/proxy.py:
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#
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# Copyright (c) 2007 Jan-Klaas Kollhof
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#
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# This file is part of jsonrpc.
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#
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# jsonrpc is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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#
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# This software is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this software; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""HTTP proxy for opening RPC connection to bitcoind.
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AuthServiceProxy has the following improvements over python-jsonrpc's
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ServiceProxy class:
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- HTTP connections persist for the life of the AuthServiceProxy object
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(if server supports HTTP/1.1)
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- sends protocol 'version', per JSON-RPC 1.1
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- sends proper, incrementing 'id'
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- sends Basic HTTP authentication headers
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- parses all JSON numbers that look like floats as Decimal
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- uses standard Python json lib
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"""
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import base64
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import decimal
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from http import HTTPStatus
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import http.client
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import json
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import logging
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import os
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import socket
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import time
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import urllib.parse
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HTTP_TIMEOUT = 30
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USER_AGENT = "AuthServiceProxy/0.1"
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log = logging.getLogger("BitcoinRPC")
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class JSONRPCException(Exception):
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def __init__(self, rpc_error, http_status=None):
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try:
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errmsg = '%(message)s (%(code)i)' % rpc_error
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except (KeyError, TypeError):
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errmsg = ''
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super().__init__(errmsg)
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self.error = rpc_error
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self.http_status = http_status
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def EncodeDecimal(o):
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if isinstance(o, decimal.Decimal):
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return str(o)
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raise TypeError(repr(o) + " is not JSON serializable")
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class AuthServiceProxy():
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__id_count = 0
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# ensure_ascii: escape unicode as \uXXXX, passed to json.dumps
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def __init__(self, service_url, service_name=None, timeout=HTTP_TIMEOUT, connection=None, ensure_ascii=True):
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self.__service_url = service_url
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self._service_name = service_name
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self.ensure_ascii = ensure_ascii # can be toggled on the fly by tests
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self.__url = urllib.parse.urlparse(service_url)
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user = None if self.__url.username is None else self.__url.username.encode('utf8')
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passwd = None if self.__url.password is None else self.__url.password.encode('utf8')
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authpair = user + b':' + passwd
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self.__auth_header = b'Basic ' + base64.b64encode(authpair)
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self.timeout = timeout
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self._set_conn(connection)
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def __getattr__(self, name):
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if name.startswith('__') and name.endswith('__'):
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# Python internal stuff
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raise AttributeError
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if self._service_name is not None:
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name = "%s.%s" % (self._service_name, name)
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return AuthServiceProxy(self.__service_url, name, connection=self.__conn)
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def _request(self, method, path, postdata):
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'''
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Do a HTTP request, with retry if we get disconnected (e.g. due to a timeout).
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This is a workaround for https://bugs.python.org/issue3566 which is fixed in Python 3.5.
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'''
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headers = {'Host': self.__url.hostname,
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'User-Agent': USER_AGENT,
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'Authorization': self.__auth_header,
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'Content-type': 'application/json'}
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if os.name == 'nt':
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# Windows somehow does not like to re-use connections
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# TODO: Find out why the connection would disconnect occasionally and make it reusable on Windows
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# Avoid "ConnectionAbortedError: [WinError 10053] An established connection was aborted by the software in your host machine"
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self._set_conn()
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try:
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self.__conn.request(method, path, postdata, headers)
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return self._get_response()
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except (BrokenPipeError, ConnectionResetError):
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# Python 3.5+ raises BrokenPipeError when the connection was reset
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# ConnectionResetError happens on FreeBSD
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self.__conn.close()
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self.__conn.request(method, path, postdata, headers)
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return self._get_response()
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except OSError as e:
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# Workaround for a bug on macOS. See https://bugs.python.org/issue33450
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retry = '[Errno 41] Protocol wrong type for socket' in str(e)
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if retry:
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self.__conn.close()
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self.__conn.request(method, path, postdata, headers)
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return self._get_response()
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else:
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raise
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def get_request(self, *args, **argsn):
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AuthServiceProxy.__id_count += 1
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log.debug("-{}-> {} {}".format(
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AuthServiceProxy.__id_count,
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self._service_name,
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json.dumps(args or argsn, default=EncodeDecimal, ensure_ascii=self.ensure_ascii),
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))
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if args and argsn:
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raise ValueError('Cannot handle both named and positional arguments')
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return {'version': '1.1',
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'method': self._service_name,
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'params': args or argsn,
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'id': AuthServiceProxy.__id_count}
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def __call__(self, *args, **argsn):
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postdata = json.dumps(self.get_request(*args, **argsn), default=EncodeDecimal, ensure_ascii=self.ensure_ascii)
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response, status = self._request('POST', self.__url.path, postdata.encode('utf-8'))
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if response['error'] is not None:
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raise JSONRPCException(response['error'], status)
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elif 'result' not in response:
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raise JSONRPCException({
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'code': -343, 'message': 'missing JSON-RPC result'}, status)
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elif status != HTTPStatus.OK:
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raise JSONRPCException({
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'code': -342, 'message': 'non-200 HTTP status code but no JSON-RPC error'}, status)
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else:
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return response['result']
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def batch(self, rpc_call_list):
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postdata = json.dumps(list(rpc_call_list), default=EncodeDecimal, ensure_ascii=self.ensure_ascii)
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log.debug("--> " + postdata)
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response, status = self._request('POST', self.__url.path, postdata.encode('utf-8'))
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if status != HTTPStatus.OK:
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raise JSONRPCException({
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'code': -342, 'message': 'non-200 HTTP status code but no JSON-RPC error'}, status)
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return response
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def _get_response(self):
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req_start_time = time.time()
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try:
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http_response = self.__conn.getresponse()
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except socket.timeout:
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raise JSONRPCException({
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'code': -344,
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'message': '%r RPC took longer than %f seconds. Consider '
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'using larger timeout for calls that take '
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'longer to return.' % (self._service_name,
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self.__conn.timeout)})
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if http_response is None:
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raise JSONRPCException({
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'code': -342, 'message': 'missing HTTP response from server'})
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content_type = http_response.getheader('Content-Type')
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if content_type != 'application/json':
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raise JSONRPCException(
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{'code': -342, 'message': 'non-JSON HTTP response with \'%i %s\' from server' % (http_response.status, http_response.reason)},
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http_response.status)
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responsedata = http_response.read().decode('utf8')
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response = json.loads(responsedata, parse_float=decimal.Decimal)
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elapsed = time.time() - req_start_time
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if "error" in response and response["error"] is None:
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log.debug("<-%s- [%.6f] %s" % (response["id"], elapsed, json.dumps(response["result"], default=EncodeDecimal, ensure_ascii=self.ensure_ascii)))
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else:
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log.debug("<-- [%.6f] %s" % (elapsed, responsedata))
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return response, http_response.status
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def __truediv__(self, relative_uri):
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return AuthServiceProxy("{}/{}".format(self.__service_url, relative_uri), self._service_name, connection=self.__conn)
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def _set_conn(self, connection=None):
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port = 80 if self.__url.port is None else self.__url.port
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if connection:
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self.__conn = connection
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self.timeout = connection.timeout
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elif self.__url.scheme == 'https':
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self.__conn = http.client.HTTPSConnection(self.__url.hostname, port, timeout=self.timeout)
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else:
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self.__conn = http.client.HTTPConnection(self.__url.hostname, port, timeout=self.timeout)
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