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"""
This module implements the XmlRpcRequest class which is a more convenient class
(that Request) to generate xml-rpc requests.
See documentation in docs/topics/request-response.rst
"""
from __future__ import annotations
import xmlrpc.client as xmlrpclib
from typing import Any
import defusedxml.xmlrpc
from scrapy.http.request import Request
from scrapy.utils.python import get_func_args
defusedxml.xmlrpc.monkey_patch()
DUMPS_ARGS = get_func_args(xmlrpclib.dumps)
class XmlRpcRequest(Request):
def __init__(self, *args: Any, encoding: str | None = None, **kwargs: Any):
if "body" not in kwargs and "params" in kwargs:
kw = {k: kwargs.pop(k) for k in DUMPS_ARGS if k in kwargs}
kwargs["body"] = xmlrpclib.dumps(**kw)
# spec defines that requests must use POST method
kwargs.setdefault("method", "POST")
# xmlrpc query multiples times over the same url
kwargs.setdefault("dont_filter", True)
# restore encoding
if encoding is not None:
kwargs["encoding"] = encoding
super().__init__(*args, **kwargs)
self.headers.setdefault("Content-Type", "text/xml")
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