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152 lines
4.2 KiB
Python
152 lines
4.2 KiB
Python
"""
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requests.exceptions
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~~~~~~~~~~~~~~~~~~~
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This module contains the set of Requests' exceptions.
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"""
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from urllib3.exceptions import HTTPError as BaseHTTPError
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from .compat import JSONDecodeError as CompatJSONDecodeError
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class RequestException(IOError):
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"""There was an ambiguous exception that occurred while handling your
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request.
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"""
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def __init__(self, *args, **kwargs):
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"""Initialize RequestException with `request` and `response` objects."""
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response = kwargs.pop("response", None)
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self.response = response
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self.request = kwargs.pop("request", None)
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if response is not None and not self.request and hasattr(response, "request"):
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self.request = self.response.request
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super().__init__(*args, **kwargs)
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class InvalidJSONError(RequestException):
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"""A JSON error occurred."""
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class JSONDecodeError(InvalidJSONError, CompatJSONDecodeError):
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"""Couldn't decode the text into json"""
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def __init__(self, *args, **kwargs):
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"""
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Construct the JSONDecodeError instance first with all
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args. Then use it's args to construct the IOError so that
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the json specific args aren't used as IOError specific args
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and the error message from JSONDecodeError is preserved.
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"""
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CompatJSONDecodeError.__init__(self, *args)
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InvalidJSONError.__init__(self, *self.args, **kwargs)
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def __reduce__(self):
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"""
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The __reduce__ method called when pickling the object must
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be the one from the JSONDecodeError (be it json/simplejson)
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as it expects all the arguments for instantiation, not just
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one like the IOError, and the MRO would by default call the
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__reduce__ method from the IOError due to the inheritance order.
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"""
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return CompatJSONDecodeError.__reduce__(self)
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class HTTPError(RequestException):
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"""An HTTP error occurred."""
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class ConnectionError(RequestException):
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"""A Connection error occurred."""
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class ProxyError(ConnectionError):
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"""A proxy error occurred."""
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class SSLError(ConnectionError):
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"""An SSL error occurred."""
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class Timeout(RequestException):
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"""The request timed out.
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Catching this error will catch both
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:exc:`~requests.exceptions.ConnectTimeout` and
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:exc:`~requests.exceptions.ReadTimeout` errors.
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"""
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class ConnectTimeout(ConnectionError, Timeout):
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"""The request timed out while trying to connect to the remote server.
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Requests that produced this error are safe to retry.
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"""
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class ReadTimeout(Timeout):
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"""The server did not send any data in the allotted amount of time."""
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class URLRequired(RequestException):
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"""A valid URL is required to make a request."""
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class TooManyRedirects(RequestException):
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"""Too many redirects."""
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class MissingSchema(RequestException, ValueError):
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"""The URL scheme (e.g. http or https) is missing."""
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class InvalidSchema(RequestException, ValueError):
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"""The URL scheme provided is either invalid or unsupported."""
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class InvalidURL(RequestException, ValueError):
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"""The URL provided was somehow invalid."""
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class InvalidHeader(RequestException, ValueError):
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"""The header value provided was somehow invalid."""
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class InvalidProxyURL(InvalidURL):
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"""The proxy URL provided is invalid."""
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class ChunkedEncodingError(RequestException):
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"""The server declared chunked encoding but sent an invalid chunk."""
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class ContentDecodingError(RequestException, BaseHTTPError):
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"""Failed to decode response content."""
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class StreamConsumedError(RequestException, TypeError):
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"""The content for this response was already consumed."""
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class RetryError(RequestException):
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"""Custom retries logic failed"""
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class UnrewindableBodyError(RequestException):
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"""Requests encountered an error when trying to rewind a body."""
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# Warnings
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class RequestsWarning(Warning):
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"""Base warning for Requests."""
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class FileModeWarning(RequestsWarning, DeprecationWarning):
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"""A file was opened in text mode, but Requests determined its binary length."""
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class RequestsDependencyWarning(RequestsWarning):
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"""An imported dependency doesn't match the expected version range."""
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