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

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

This module contains the set of Requests' exceptions.

"""


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."""
