sibblegp / b2blaze

b2blaze/b2_exceptions.py

"""
Copyright George Sibble 2018
"""

import json

The import json seems to be unused.

class B2ApplicationKeyNotSet(Exception):
    """ You must set the B2_KEY_ID environment variable before running the application """
    pass


class B2KeyIDNotSet(Exception):
    """ You must set the B2_APPLICATION_KEY environment variable before running the application """
    pass


class B2Exception(Exception):
    """ Base exception class for the Backblaze API """

    @staticmethod
    def parse(response):
        """ Parse the response error code and return the related error type. """

        API_EXCEPTION_CODES = {

The name API_EXCEPTION_CODES does not conform to the variable naming conventions ((([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$).

            400 : B2RequestError,
            401 : B2UnauthorizedError,
            403 : B2ForbiddenError,
            404 : B2FileNotFoundError,
            408 : B2RequestTimeoutError,
            429 : B2TooManyRequestsError,
            500 : B2InternalError,
            503 : B2ServiceUnavailableError,
        }
        

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        try:
            response_json = response.json()
            message = response_json['message']
            code = response_json['code']
            status = int(response_json['status'])

            # Return B2Exception if unrecognized status code
            if not status in API_EXCEPTION_CODES:

Consider changing "not status in API_EXCEPTION_CODES" to "status not in API_EXCEPTION_CODES"

                return B2Exception('{} - {}: {}'.format(status, code, message))
            

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            ErrorClass = API_EXCEPTION_CODES[status]

The name ErrorClass does not conform to the variable naming conventions ((([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$).

            return ErrorClass('{} - {}: {}'.format(status, code, message))

        except:

General except handlers without types should be used sparingly.

            return Exception('error parsing response. status code - {} Response JSON: {}'.format(response.status_code, response_json) )

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class B2FileNotFoundError(Exception):
    """ 404 Not Found """
    pass


class B2RequestError(Exception):
    """ There is a problem with a passed in request parameters. See returned message for details """
    pass


class B2UnauthorizedError(Exception):
    """ When calling b2_authorize_account, this means that there was something wrong with the accountId/applicationKeyId or with the applicationKey that was provided. The code unauthorized means that the application key is bad. The code unsupported means that the application key is only valid in a later version of the API. 

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    The code unauthorized means that the auth token is valid, but does not allow you to make this call with these parameters. When the code is either bad_auth_token or expired_auth_token you should call b2_authorize_account again to get a new auth token.

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    """
    pass


class B2ForbiddenError(Exception):
    """ You have a reached a storage cap limit, or account access may be impacted in some other way; see the human-readable message. 

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    """
    pass


class B2RequestTimeoutError(Exception):
    """ The service timed out trying to read your request. """
    pass

class B2OutOfRangeError(Exception):
    """ The Range header in the request is outside the size of the file.. """
    pass


class B2TooManyRequestsError(Exception):
    """ B2 may limit API requests on a per-account basis. """
    pass


class B2InternalError(Exception):
    """ An unexpected error has occurred. """
    pass


class B2ServiceUnavailableError(Exception):
    """ The service is temporarily unavailable. The human-readable message identifies the nature of the issue, in general we recommend retrying with an exponential backoff between retries in response to this error. 

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    """
    pass


class B2InvalidBucketName(Exception):
    """ Bucket name must be alphanumeric or '-' """
    pass


class B2InvalidBucketConfiguration(Exception):
    """ Value error in bucket configuration """
    pass

class B2AuthorizationError(Exception):
    """ An error with the authorization request """
    pass

class B2InvalidRequestType(Exception):
    """ Request type must be get or post """
    pass