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__all__ = [
'ImproperlyConfigured', 'ElasticsearchException', 'SerializationError',
'TransportError', 'NotFoundError', 'ConflictError', 'RequestError', 'ConnectionError',
'SSLError', 'ConnectionTimeout'
]
class ImproperlyConfigured(Exception):
"""
Exception raised when the config passed to the client is inconsistent or invalid.
"""
class ElasticsearchException(Exception):
"""
Base class for all exceptions raised by this package's operations (doesn't
apply to :class:`~elasticsearch.ImproperlyConfigured`).
"""
class SerializationError(ElasticsearchException):
"""
Data passed in failed to serialize properly in the ``Serializer`` being
used.
"""
class TransportError(ElasticsearchException):
"""
Exception raised when ES returns a non-OK (>=400) HTTP status code. Or when
an actual connection error happens; in that case the ``status_code`` will
be set to ``'N/A'``.
"""
@property
def status_code(self):
"""
The HTTP status code of the response that precipitated the error or
``'N/A'`` if not applicable.
"""
return self.args[0]
@property
def error(self):
""" A string error message. """
return self.args[1]
@property
def info(self):
""" Dict of returned error info from ES, where available. """
return self.args[2]
def __str__(self):
cause = ''
try:
if self.info:
cause = ', %r' % self.info['error']['root_cause'][0]['reason']
except LookupError:
pass
return 'TransportError(%s, %r%s)' % (self.status_code, self.error, cause)
class ConnectionError(TransportError):
"""
Error raised when there was an exception while talking to ES. Original
exception from the underlying :class:`~elasticsearch.Connection`
implementation is available as ``.info.``
"""
def __str__(self):
return 'ConnectionError(%s) caused by: %s(%s)' % (
self.error, self.info.__class__.__name__, self.info)
class SSLError(ConnectionError):
""" Error raised when encountering SSL errors. """
class ConnectionTimeout(ConnectionError):
""" A network timeout. Doesn't cause a node retry by default. """
def __str__(self):
return 'ConnectionTimeout caused by - %s(%s)' % (
self.info.__class__.__name__, self.info)
class NotFoundError(TransportError):
""" Exception representing a 404 status code. """
class ConflictError(TransportError):
""" Exception representing a 409 status code. """
class RequestError(TransportError):
""" Exception representing a 400 status code. """
class AuthenticationException(TransportError):
""" Exception representing a 401 status code. """
class AuthorizationException(TransportError):
""" Exception representing a 403 status code. """
# more generic mappings from status_code to python exceptions
HTTP_EXCEPTIONS = {
400: RequestError,
401: AuthenticationException,
403: AuthorizationException,
404: NotFoundError,
409: ConflictError,
}
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