Files
cellxgene/server/common/errors.py
bmccandless e22e671f10 Return 404 when the dataset does not exist (#1581)
Also in this PR, restructure the exception handling.

fixes #1566
2020-06-23 17:14:42 -07:00

86 lines
1.8 KiB
Python

from http import HTTPStatus
class RequestException(Exception):
"""Baseclass for exceptions that can be raised from a request."""
# The default status code is 400 (Bad Request)
default_status_code = HTTPStatus.BAD_REQUEST
def __init__(self, message, status_code=None):
Exception.__init__(self)
self.message = message
self.status_code = status_code or self.default_status_code
class FilterError(RequestException):
"""Raised when filter is malformed"""
pass
class JSONEncodingValueError(RequestException):
"""Raised when data cannot be encoded into json"""
pass
class MimeTypeError(RequestException):
"""Raised when incompatible MIME type selected"""
pass
class DatasetAccessError(RequestException):
"""Raised when file loaded into a DataAdaptor is misformatted"""
pass
class DisabledFeatureError(RequestException):
"""Raised when an attempt to use a disabled feature occurs"""
pass
class AnnotationsError(RequestException):
"""Raised when an attempt to use the annotations feature fails"""
pass
class ComputeError(RequestException):
"""Raised when an error occurs during a compute algorithm (such as diffexp)"""
default_status_code = HTTPStatus.INTERNAL_SERVER_ERROR
class ExceedsLimitError(RequestException):
"""Raised when an HTTP request exceeds a limit/quota"""
pass
class ColorFormatException(RequestException):
"""Raised when color helper functions encounter an unknown color format"""
pass
class OntologyLoadFailure(Exception):
"""Raised when reading the ontology file fails"""
pass
class ConfigurationError(Exception):
"""Raised when checking configuration errors"""
pass
class PrepareError(Exception):
"""Raised when data is misprepared"""
pass