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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: str, session: PipSession, use_datetime: bool = False
) -> None:
super().__init__(use_datetime)
index_parts = urllib.parse.urlparse(index_url)
self._scheme = index_parts.scheme
self._session = session
def request(
self,
host: "_HostType",
handler: str,
request_body: bytes,
verbose: bool = False,
) -> 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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