# -*- coding: utf-8 -*-

"""
requests.exceptions
~~~~~~~~~~~~~~~~~~~

This module contains the set of Requests' exceptions.

"""
from urllib3.exceptions import HTTPError as BaseHTTPError


class RequestException(IOError):
"""There was an ambiguous exception that occurred while handling your
request."""


class HTTPError(RequestException):
"""An HTTP error occurred."""

def __init__(self, *args, **kwargs):
""" Initializes HTTPError with optional `response` object. """
self.response = kwargs.pop('response', None)
super(HTTPError, self).__init__(*args, **kwargs)


class ConnectionError(RequestException):
"""A Connection error occurred."""


class ProxyError(ConnectionError):
"""A proxy error occurred."""


class SSLError(ConnectionError):
"""An SSL error occurred."""


class Timeout(RequestException):
"""The request timed out."""


class URLRequired(RequestException):
"""A valid URL is required to make a request."""


class TooManyRedirects(RequestException):
"""Too many redirects."""


class MissingSchema(RequestException, ValueError):
"""The URL schema (e.g. http or https) is missing."""


class InvalidSchema(RequestException, ValueError):
"""See defaults.py for valid schemas."""


class InvalidURL(RequestException, ValueError):
""" The URL provided was somehow invalid. """


class ChunkedEncodingError(RequestException):
"""The server declared chunked encoding but sent an invalid chunk."""


class ContentDecodingError(RequestException, BaseHTTPError):
"""Failed to decode response content"""