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"""
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Provide exception classes for :mod:`migrate`
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"""
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class Error(Exception):
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"""Error base class."""
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class ApiError(Error):
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"""Base class for API errors."""
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class KnownError(ApiError):
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"""A known error condition."""
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class UsageError(ApiError):
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"""A known error condition where help should be displayed."""
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class ControlledSchemaError(Error):
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"""Base class for controlled schema errors."""
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class InvalidVersionError(ControlledSchemaError):
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"""Invalid version number."""
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class VersionNotFoundError(KeyError):
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"""Specified version is not present."""
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class DatabaseNotControlledError(ControlledSchemaError):
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"""Database should be under version control, but it's not."""
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class DatabaseAlreadyControlledError(ControlledSchemaError):
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"""Database shouldn't be under version control, but it is"""
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class WrongRepositoryError(ControlledSchemaError):
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"""This database is under version control by another repository."""
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class NoSuchTableError(ControlledSchemaError):
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"""The table does not exist."""
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class PathError(Error):
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"""Base class for path errors."""
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class PathNotFoundError(PathError):
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"""A path with no file was required; found a file."""
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class PathFoundError(PathError):
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"""A path with a file was required; found no file."""
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class RepositoryError(Error):
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"""Base class for repository errors."""
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class InvalidRepositoryError(RepositoryError):
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"""Invalid repository error."""
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class ScriptError(Error):
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"""Base class for script errors."""
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class InvalidScriptError(ScriptError):
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"""Invalid script error."""
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class InvalidVersionError(Error):
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"""Invalid version error."""
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# migrate.changeset
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class NotSupportedError(Error):
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"""Not supported error"""
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class InvalidConstraintError(Error):
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"""Invalid constraint error"""
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class MigrateDeprecationWarning(DeprecationWarning):
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"""Warning for deprecated features in Migrate"""
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