mirror of https://github.com/yt-dlp/yt-dlp.git
222 lines
8.6 KiB
Python
222 lines
8.6 KiB
Python
from __future__ import annotations
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import io
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import math
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import urllib.parse
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from ._helper import InstanceStoreMixin, select_proxy
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from .common import (
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Features,
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Request,
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Response,
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register_preference,
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register_rh,
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)
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from .exceptions import (
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CertificateVerifyError,
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HTTPError,
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IncompleteRead,
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ProxyError,
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SSLError,
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TransportError,
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)
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from .impersonate import ImpersonateRequestHandler, ImpersonateTarget
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from ..dependencies import curl_cffi
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from ..utils import int_or_none
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if curl_cffi is None:
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raise ImportError('curl_cffi is not installed')
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curl_cffi_version = tuple(int_or_none(x, default=0) for x in curl_cffi.__version__.split('.'))
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if curl_cffi_version != (0, 5, 10):
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curl_cffi._yt_dlp__version = f'{curl_cffi.__version__} (unsupported)'
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raise ImportError('Only curl_cffi 0.5.10 is supported')
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import curl_cffi.requests
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from curl_cffi.const import CurlECode, CurlOpt
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class CurlCFFIResponseReader(io.IOBase):
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def __init__(self, response: curl_cffi.requests.Response):
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self._response = response
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self._iterator = response.iter_content()
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self._buffer = b''
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self.bytes_read = 0
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def readable(self):
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return True
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def read(self, size=None):
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exception_raised = True
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try:
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while self._iterator and (size is None or len(self._buffer) < size):
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chunk = next(self._iterator, None)
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if chunk is None:
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self._iterator = None
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break
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self._buffer += chunk
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self.bytes_read += len(chunk)
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if size is None:
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size = len(self._buffer)
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data = self._buffer[:size]
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self._buffer = self._buffer[size:]
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# "free" the curl instance if the response is fully read.
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# curl_cffi doesn't do this automatically and only allows one open response per thread
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if not self._iterator and not self._buffer:
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self.close()
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exception_raised = False
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return data
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finally:
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if exception_raised:
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self.close()
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def close(self):
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if not self.closed:
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self._response.close()
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self._buffer = b''
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super().close()
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class CurlCFFIResponseAdapter(Response):
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fp: CurlCFFIResponseReader
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def __init__(self, response: curl_cffi.requests.Response):
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super().__init__(
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fp=CurlCFFIResponseReader(response),
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headers=response.headers,
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url=response.url,
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status=response.status_code)
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def read(self, amt=None):
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try:
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return self.fp.read(amt)
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except curl_cffi.requests.errors.RequestsError as e:
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if e.code == CurlECode.PARTIAL_FILE:
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content_length = int_or_none(e.response.headers.get('Content-Length'))
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raise IncompleteRead(
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partial=self.fp.bytes_read,
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expected=content_length - self.fp.bytes_read if content_length is not None else None,
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cause=e) from e
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raise TransportError(cause=e) from e
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@register_rh
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class CurlCFFIRH(ImpersonateRequestHandler, InstanceStoreMixin):
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RH_NAME = 'curl_cffi'
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_SUPPORTED_URL_SCHEMES = ('http', 'https')
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_SUPPORTED_FEATURES = (Features.NO_PROXY, Features.ALL_PROXY)
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_SUPPORTED_PROXY_SCHEMES = ('http', 'https', 'socks4', 'socks4a', 'socks5', 'socks5h')
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_SUPPORTED_IMPERSONATE_TARGET_MAP = {
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ImpersonateTarget('chrome', '110', 'windows', '10'): curl_cffi.requests.BrowserType.chrome110,
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ImpersonateTarget('chrome', '107', 'windows', '10'): curl_cffi.requests.BrowserType.chrome107,
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ImpersonateTarget('chrome', '104', 'windows', '10'): curl_cffi.requests.BrowserType.chrome104,
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ImpersonateTarget('chrome', '101', 'windows', '10'): curl_cffi.requests.BrowserType.chrome101,
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ImpersonateTarget('chrome', '100', 'windows', '10'): curl_cffi.requests.BrowserType.chrome100,
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ImpersonateTarget('chrome', '99', 'windows', '10'): curl_cffi.requests.BrowserType.chrome99,
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ImpersonateTarget('edge', '101', 'windows', '10'): curl_cffi.requests.BrowserType.edge101,
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ImpersonateTarget('edge', '99', 'windows', '10'): curl_cffi.requests.BrowserType.edge99,
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ImpersonateTarget('safari', '15.5', 'macos', '12'): curl_cffi.requests.BrowserType.safari15_5,
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ImpersonateTarget('safari', '15.3', 'macos', '11'): curl_cffi.requests.BrowserType.safari15_3,
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ImpersonateTarget('chrome', '99', 'android', '12'): curl_cffi.requests.BrowserType.chrome99_android,
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}
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def _create_instance(self, cookiejar=None):
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return curl_cffi.requests.Session(cookies=cookiejar)
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def _check_extensions(self, extensions):
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super()._check_extensions(extensions)
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extensions.pop('impersonate', None)
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extensions.pop('cookiejar', None)
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extensions.pop('timeout', None)
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def _send(self, request: Request):
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max_redirects_exceeded = False
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session: curl_cffi.requests.Session = self._get_instance(
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cookiejar=self._get_cookiejar(request) if 'cookie' not in request.headers else None)
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if self.verbose:
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session.curl.setopt(CurlOpt.VERBOSE, 1)
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proxies = self._get_proxies(request)
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if 'no' in proxies:
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session.curl.setopt(CurlOpt.NOPROXY, proxies['no'])
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proxies.pop('no', None)
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# curl doesn't support per protocol proxies, so we select the one that matches the request protocol
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proxy = select_proxy(request.url, proxies=proxies)
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if proxy:
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session.curl.setopt(CurlOpt.PROXY, proxy)
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scheme = urllib.parse.urlparse(request.url).scheme.lower()
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if scheme != 'http':
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# Enable HTTP CONNECT for HTTPS urls.
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# Don't use CONNECT for http for compatibility with urllib behaviour.
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# See: https://curl.se/libcurl/c/CURLOPT_HTTPPROXYTUNNEL.html
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session.curl.setopt(CurlOpt.HTTPPROXYTUNNEL, 1)
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headers = self._get_impersonate_headers(request)
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if self._client_cert:
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session.curl.setopt(CurlOpt.SSLCERT, self._client_cert['client_certificate'])
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client_certificate_key = self._client_cert.get('client_certificate_key')
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client_certificate_password = self._client_cert.get('client_certificate_password')
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if client_certificate_key:
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session.curl.setopt(CurlOpt.SSLKEY, client_certificate_key)
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if client_certificate_password:
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session.curl.setopt(CurlOpt.KEYPASSWD, client_certificate_password)
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timeout = self._calculate_timeout(request)
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# set CURLOPT_LOW_SPEED_LIMIT and CURLOPT_LOW_SPEED_TIME to act as a read timeout. [1]
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# curl_cffi does not currently do this. [2]
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# Note: CURLOPT_LOW_SPEED_TIME is in seconds, so we need to round up to the nearest second. [3]
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# [1] https://unix.stackexchange.com/a/305311
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# [2] https://github.com/yifeikong/curl_cffi/issues/156
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# [3] https://curl.se/libcurl/c/CURLOPT_LOW_SPEED_TIME.html
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session.curl.setopt(CurlOpt.LOW_SPEED_LIMIT, 1) # 1 byte per second
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session.curl.setopt(CurlOpt.LOW_SPEED_TIME, math.ceil(timeout))
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try:
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curl_response = session.request(
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method=request.method,
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url=request.url,
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headers=headers,
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data=request.data,
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verify=self.verify,
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max_redirects=5,
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timeout=timeout,
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impersonate=self._SUPPORTED_IMPERSONATE_TARGET_MAP.get(
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self._get_request_target(request)),
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interface=self.source_address,
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stream=True
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)
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except curl_cffi.requests.errors.RequestsError as e:
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if e.code == CurlECode.PEER_FAILED_VERIFICATION:
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raise CertificateVerifyError(cause=e) from e
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elif e.code == CurlECode.SSL_CONNECT_ERROR:
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raise SSLError(cause=e) from e
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elif e.code == CurlECode.TOO_MANY_REDIRECTS:
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max_redirects_exceeded = True
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curl_response = e.response
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elif e.code == CurlECode.PROXY:
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raise ProxyError(cause=e) from e
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else:
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raise TransportError(cause=e) from e
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response = CurlCFFIResponseAdapter(curl_response)
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if not 200 <= response.status < 300:
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raise HTTPError(response, redirect_loop=max_redirects_exceeded)
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return response
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@register_preference(CurlCFFIRH)
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def curl_cffi_preference(rh, request):
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return -100
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