mirror of
https://github.com/yt-dlp/yt-dlp.git
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218 lines
6.1 KiB
Python
218 lines
6.1 KiB
Python
from __future__ import annotations
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import typing
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import urllib.error
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from ..utils import YoutubeDLError, deprecation_warning
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if typing.TYPE_CHECKING:
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from .common import RequestHandler, Response
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class RequestError(YoutubeDLError):
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def __init__(
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self,
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msg: str | None = None,
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cause: Exception | str | None = None,
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handler: RequestHandler = None
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):
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self.handler = handler
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self.cause = cause
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if not msg and cause:
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msg = str(cause)
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super().__init__(msg)
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class UnsupportedRequest(RequestError):
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"""raised when a handler cannot handle a request"""
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pass
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class NoSupportingHandlers(RequestError):
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"""raised when no handlers can support a request for various reasons"""
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def __init__(self, unsupported_errors: list[UnsupportedRequest], unexpected_errors: list[Exception]):
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self.unsupported_errors = unsupported_errors or []
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self.unexpected_errors = unexpected_errors or []
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# Print a quick summary of the errors
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err_handler_map = {}
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for err in unsupported_errors:
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err_handler_map.setdefault(err.msg, []).append(err.handler.RH_NAME)
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reason_str = ', '.join([f'{msg} ({", ".join(handlers)})' for msg, handlers in err_handler_map.items()])
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if unexpected_errors:
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reason_str = ' + '.join(filter(None, [reason_str, f'{len(unexpected_errors)} unexpected error(s)']))
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err_str = 'Unable to handle request'
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if reason_str:
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err_str += f': {reason_str}'
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super().__init__(msg=err_str)
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class TransportError(RequestError):
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"""Network related errors"""
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class HTTPError(RequestError):
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def __init__(self, response: Response, redirect_loop=False):
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self.response = response
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self.status = response.status
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self.reason = response.reason
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self.redirect_loop = redirect_loop
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msg = f'HTTP Error {response.status}: {response.reason}'
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if redirect_loop:
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msg += ' (redirect loop detected)'
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super().__init__(msg=msg)
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def close(self):
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self.response.close()
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def __repr__(self):
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return f'<HTTPError {self.status}: {self.reason}>'
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class IncompleteRead(TransportError):
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def __init__(self, partial: int, expected: int | None = None, **kwargs):
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self.partial = partial
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self.expected = expected
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msg = f'{partial} bytes read'
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if expected is not None:
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msg += f', {expected} more expected'
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super().__init__(msg=msg, **kwargs)
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def __repr__(self):
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return f'<IncompleteRead: {self.msg}>'
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class SSLError(TransportError):
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pass
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class CertificateVerifyError(SSLError):
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"""Raised when certificate validated has failed"""
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pass
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class ProxyError(TransportError):
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pass
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class _CompatHTTPError(urllib.error.HTTPError, HTTPError):
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"""
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Provides backwards compatibility with urllib.error.HTTPError.
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Do not use this class directly, use HTTPError instead.
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"""
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def __init__(self, http_error: HTTPError):
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super().__init__(
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url=http_error.response.url,
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code=http_error.status,
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msg=http_error.msg,
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hdrs=http_error.response.headers,
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fp=http_error.response
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)
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self._closer.close_called = True # Disable auto close
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self._http_error = http_error
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HTTPError.__init__(self, http_error.response, redirect_loop=http_error.redirect_loop)
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@property
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def status(self):
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return self._http_error.status
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@status.setter
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def status(self, value):
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return
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@property
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def reason(self):
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return self._http_error.reason
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@reason.setter
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def reason(self, value):
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return
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@property
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def headers(self):
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deprecation_warning('HTTPError.headers is deprecated, use HTTPError.response.headers instead')
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return self._http_error.response.headers
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@headers.setter
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def headers(self, value):
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return
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def info(self):
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deprecation_warning('HTTPError.info() is deprecated, use HTTPError.response.headers instead')
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return self.response.headers
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def getcode(self):
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deprecation_warning('HTTPError.getcode is deprecated, use HTTPError.status instead')
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return self.status
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def geturl(self):
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deprecation_warning('HTTPError.geturl is deprecated, use HTTPError.response.url instead')
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return self.response.url
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@property
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def code(self):
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deprecation_warning('HTTPError.code is deprecated, use HTTPError.status instead')
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return self.status
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@code.setter
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def code(self, value):
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return
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@property
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def url(self):
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deprecation_warning('HTTPError.url is deprecated, use HTTPError.response.url instead')
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return self.response.url
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@url.setter
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def url(self, value):
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return
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@property
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def hdrs(self):
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deprecation_warning('HTTPError.hdrs is deprecated, use HTTPError.response.headers instead')
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return self.response.headers
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@hdrs.setter
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def hdrs(self, value):
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return
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@property
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def filename(self):
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deprecation_warning('HTTPError.filename is deprecated, use HTTPError.response.url instead')
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return self.response.url
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@filename.setter
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def filename(self, value):
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return
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def __getattr__(self, name):
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# File operations are passed through the response.
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# Warn for some commonly used ones
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passthrough_warnings = {
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'read': 'response.read()',
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# technically possibly due to passthrough, but we should discourage this
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'get_header': 'response.get_header()',
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'readable': 'response.readable()',
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'closed': 'response.closed',
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'tell': 'response.tell()',
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}
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if name in passthrough_warnings:
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deprecation_warning(f'HTTPError.{name} is deprecated, use HTTPError.{passthrough_warnings[name]} instead')
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return super().__getattr__(name)
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def __str__(self):
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return str(self._http_error)
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def __repr__(self):
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return repr(self._http_error)
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network_exceptions = (HTTPError, TransportError)
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