5289c4df3b
- made api.py, cfgparse.py, exceptions.py, genmodel.py, migrate_repository.py, and pathed.py PEP-8 clean - add tools.rst documenting the usage of migrate_repository.py - add more modules to api.rst - reference tools.rst from index.rst
104 lines
2.2 KiB
Python
104 lines
2.2 KiB
Python
"""
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Provide exception classes for :mod:`migrate.versioning`
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"""
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class Error(Exception):
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"""Error base class."""
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pass
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class ApiError(Error):
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"""Base class for API errors."""
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pass
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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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pass
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class InvalidVersionError(ControlledSchemaError):
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"""Invalid version number."""
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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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pass
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class LogSqlError(Error):
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"""A SQLError, with a traceback of where that statement was logged."""
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def __init__(self, sqlerror, entry):
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Exception.__init__(self)
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self.sqlerror = sqlerror
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self.entry = entry
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def __str__(self):
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ret = "SQL error in statement: \n%s\n"%(str(self.entry))
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ret += "Traceback from change script:\n"
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ret += ''.join(traceback.format_list(self.entry.traceback))
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ret += str(self.sqlerror)
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return ret
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class PathError(Error):
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"""Base class for path errors."""
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pass
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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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pass
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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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pass
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class RepositoryError(Error):
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"""Base class for repository errors."""
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pass
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class InvalidRepositoryError(RepositoryError):
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"""Invalid repository error."""
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pass
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class ScriptError(Error):
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"""Base class for script errors."""
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pass
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class InvalidScriptError(ScriptError):
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"""Invalid script error."""
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pass
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class InvalidVersionError(Error):
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"""Invalid version error."""
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pass
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