yt-dlp/yt_dlp/networking/exceptions.py

104 lines
2.8 KiB
Python

from __future__ import annotations
import typing
from ..utils import YoutubeDLError
if typing.TYPE_CHECKING:
from .common import RequestHandler, Response
class RequestError(YoutubeDLError):
def __init__(
self,
msg: str | None = None,
cause: Exception | str | None = None,
handler: RequestHandler = None,
):
self.handler = handler
self.cause = cause
if not msg and cause:
msg = str(cause)
super().__init__(msg)
class UnsupportedRequest(RequestError):
"""raised when a handler cannot handle a request"""
pass
class NoSupportingHandlers(RequestError):
"""raised when no handlers can support a request for various reasons"""
def __init__(self, unsupported_errors: list[UnsupportedRequest], unexpected_errors: list[Exception]):
self.unsupported_errors = unsupported_errors or []
self.unexpected_errors = unexpected_errors or []
# Print a quick summary of the errors
err_handler_map = {}
for err in unsupported_errors:
err_handler_map.setdefault(err.msg, []).append(err.handler.RH_NAME)
reason_str = ', '.join([f'{msg} ({", ".join(handlers)})' for msg, handlers in err_handler_map.items()])
if unexpected_errors:
reason_str = ' + '.join(filter(None, [reason_str, f'{len(unexpected_errors)} unexpected error(s)']))
err_str = 'Unable to handle request'
if reason_str:
err_str += f': {reason_str}'
super().__init__(msg=err_str)
class TransportError(RequestError):
"""Network related errors"""
class HTTPError(RequestError):
def __init__(self, response: Response, redirect_loop=False):
self.response = response
self.status = response.status
self.reason = response.reason
self.redirect_loop = redirect_loop
msg = f'HTTP Error {response.status}: {response.reason}'
if redirect_loop:
msg += ' (redirect loop detected)'
super().__init__(msg=msg)
def close(self):
self.response.close()
def __repr__(self):
return f'<HTTPError {self.status}: {self.reason}>'
class IncompleteRead(TransportError):
def __init__(self, partial: int, expected: int | None = None, **kwargs):
self.partial = partial
self.expected = expected
msg = f'{partial} bytes read'
if expected is not None:
msg += f', {expected} more expected'
super().__init__(msg=msg, **kwargs)
def __repr__(self):
return f'<IncompleteRead: {self.msg}>'
class SSLError(TransportError):
pass
class CertificateVerifyError(SSLError):
"""Raised when certificate validated has failed"""
pass
class ProxyError(TransportError):
pass
network_exceptions = (HTTPError, TransportError)