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# -*- coding: utf-8 -*-
""" Exceptions for isbnlib.dev
The classes in isbnlib.dev should use the exceptions below.
"""
class ISBNLibDevException(Exception):
""" Base class for isbnlib.dev exceptions
This exception should not be raised directly,
only subclasses of this exception should be used!
"""
def __init__(self, msg=None):
if msg:
self.message = '%s (%s)' % (self.message, msg)
def __str__(self):
return getattr(self, 'message', '') # pragma: no cover
class ISBNLibHTTPError(ISBNLibDevException):
""" Exception raised for HTTP related errors
"""
message = "an HTTP error has ocurred"
class ISBNLibURLError(ISBNLibDevException):
""" Exception raised for URL related errors
"""
message = "an URL error has ocurred"
class DataNotFoundAtServiceError(ISBNLibDevException):
""" Exception raised when there is no target data from the service
"""
message = "the target data was not found at this service"
class ServiceIsDownError(ISBNLibDevException):
""" Exception raised when the service is not available
"""
message = "the service is down (try later)"
class DataWrongShapeError(ISBNLibDevException):
""" Exception raised when the data hasn't the expected format
"""
message = "the data hasn't the expected format"
class NoDataForSelectorError(ISBNLibDevException):
""" Exception raised when there is no data for the selector
"""
message = "no data for this selector"
class NotValidMetadataError(ISBNLibDevException):
""" Exception raised when the metadata hasn't the expected format
"""
message = "the metadata hasn't the expected format"
class ISBNNotConsistentError(ISBNLibDevException):
""" Exception raised when the isbn request != isbn response
"""
message = "isbn request != isbn response"
class RecordMappingError(ISBNLibDevException):
""" Exception raised when the mapping records -> canonical doesn't work
"""
message = "the mapping `canonical <- records` doesn't work"
class NoAPIKeyError(ISBNLibDevException):
""" Exception raised when the API Key for a service is not found
"""
message = "this service needs an API key"
class FileNotFoundError(ISBNLibDevException):
""" Exception raised when a given file doesn't exist
"""
message = "the file wasn't found"
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