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"""xmlrpclib.Transport implementation
"""
import logging
import urllib.parse
import xmlrpc.client
from typing import TYPE_CHECKING, Tuple
from pip._internal.exceptions import NetworkConnectionError
from pip._internal.network.session import PipSession
from pip._internal.network.utils import raise_for_status
if TYPE_CHECKING:
from xmlrpc.client import _HostType, _Marshallable
logger = logging.getLogger(__name__)
class PipXmlrpcTransport(xmlrpc.client.Transport):
"""Provide a `xmlrpclib.Transport` implementation via a `PipSession`
object.
"""
def __init__(self, index_url, session, use_datetime=False):
# type: (str, PipSession, bool) -> None
super().__init__(use_datetime)
index_parts = urllib.parse.urlparse(index_url)
self._scheme = index_parts.scheme
self._session = session
def request(self, host, handler, request_body, verbose=False):
# type: (_HostType, str, bytes, bool) -> Tuple[_Marshallable, ...]
assert isinstance(host, str)
parts = (self._scheme, host, handler, None, None, None)
url = urllib.parse.urlunparse(parts)
try:
headers = {'Content-Type': 'text/xml'}
response = self._session.post(url, data=request_body,
headers=headers, stream=True)
raise_for_status(response)
self.verbose = verbose
return self.parse_response(response.raw)
except NetworkConnectionError as exc:
assert exc.response
logger.critical(
"HTTP error %s while getting %s",
exc.response.status_code, url,
)
raise
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