mirror of
https://github.com/chanzuckerberg/cellxgene.git
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2689d8d2c0
* add function to retrieve latest annotation from db, db updates * read and write tiledb arrays * adding tests
57 lines
2.4 KiB
Python
57 lines
2.4 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",
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"Raised when there is an authentication error",
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default_status_code=HTTPStatus.UNAUTHORIZED)
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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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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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