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https://github.com/chanzuckerberg/cellxgene.git
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fb61bd6e9c
This splits the backend into two parts: the local backend for desktop cellxgene and the AWS backend for hosted cellxgene. The local backend is in local_server while the hosted remains in server. The general idea is to copy everything from server to local_server, pull unneeded stuff out of local_server, and keep server as-is for this PR. Not touching server means all the infra and deployment code will continue working just as it did before so we can make those changes incrementally.
58 lines
2.5 KiB
Python
58 lines
2.5 KiB
Python
from http import HTTPStatus
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class CellxgeneException(Exception):
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"""Base class for cellxgene exceptions"""
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def __init__(self, message):
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self.message = message
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super().__init__(message)
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class RequestException(CellxgeneException):
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"""Baseclass for exceptions that can be raised from a request."""
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# The default status code is 400 (Bad Request)
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default_status_code = HTTPStatus.BAD_REQUEST
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def __init__(self, message, status_code=None):
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super().__init__(message)
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self.status_code = status_code or self.default_status_code
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def define_exception(name, doc):
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globals()[name] = type(name, (CellxgeneException,), dict(__doc__=doc))
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def define_request_exception(name, doc, default_status_code=HTTPStatus.BAD_REQUEST):
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globals()[name] = type(name, (RequestException,), dict(__doc__=doc, default_status_code=default_status_code))
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define_request_exception("FilterError", "Raised when filter is malformed")
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define_request_exception("JSONEncodingValueError", "Raised when data cannot be encoded into json")
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define_request_exception("MimeTypeError", "Raised when incompatible MIME type selected")
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define_request_exception("DatasetAccessError", "Raised when file loaded into a DataAdaptor is misformatted")
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define_request_exception("DisabledFeatureError", "Raised when an attempt to use a disabled feature occurs")
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define_request_exception("AnnotationsError", "Raised when an attempt to use the annotations feature fails")
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define_request_exception(
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"ComputeError",
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"Raised when an error occurs during a compute algorithm (such as diffexp)",
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HTTPStatus.INTERNAL_SERVER_ERROR,
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)
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define_request_exception("ExceedsLimitError", "Raised when an HTTP request exceeds a limit/quota")
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define_request_exception("ColorFormatException", "Raised when color helper functions encounter an unknown color format")
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define_request_exception(
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"AuthenticationError", "Raised when there is an authentication error", default_status_code=HTTPStatus.UNAUTHORIZED
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)
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define_request_exception(
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"AnnotationCategoryNameError",
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"Raised when an annotation category name cant be saved",
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default_status_code=HTTPStatus.UNPROCESSABLE_ENTITY,
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)
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define_exception("OntologyLoadFailure", "Raised when reading the ontology file fails")
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define_exception("ConfigurationError", "Raised when checking configuration errors")
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define_exception("PrepareError", "Raised when data is misprepared")
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define_exception("SecretKeyRetrievalError", "Raised when get_secret_key from AWS fails")
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