diff options
Diffstat (limited to 'lib/sqlalchemy/exceptions.py')
| -rw-r--r-- | lib/sqlalchemy/exceptions.py | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/lib/sqlalchemy/exceptions.py b/lib/sqlalchemy/exceptions.py index 02cee5063..eda368d7c 100644 --- a/lib/sqlalchemy/exceptions.py +++ b/lib/sqlalchemy/exceptions.py @@ -21,7 +21,7 @@ class ArgumentError(SQLAlchemyError): class CompileError(SQLAlchemyError): """Raised when an error occurs during SQL compilation""" - + class TimeoutError(SQLAlchemyError): """Raised when a connection pool times out on getting a connection.""" @@ -33,7 +33,7 @@ class ConcurrentModificationError(SQLAlchemyError): class CircularDependencyError(SQLAlchemyError): """Raised by topological sorts when a circular dependency is detected""" - + class FlushError(SQLAlchemyError): """Raised when an invalid condition is detected upon a ``flush()``.""" @@ -47,9 +47,9 @@ class InvalidRequestError(SQLAlchemyError): """ class UnmappedColumnError(InvalidRequestError): - """A mapper was asked to return mapped information about a column + """A mapper was asked to return mapped information about a column which it does not map""" - + class NoSuchTableError(InvalidRequestError): """SQLAlchemy was asked to load a table's definition from the database, but the table doesn't exist. @@ -66,7 +66,7 @@ class NoSuchColumnError(KeyError, SQLAlchemyError): class DisconnectionError(SQLAlchemyError): """Raised within ``Pool`` when a disconnect is detected on a raw DB-API connection. - + This error is consumed internally by a connection pool. It can be raised by a ``PoolListener`` so that the host pool forces a disconnect. """ @@ -88,7 +88,7 @@ class DBAPIError(SQLAlchemyError): the exception object in the ``statement`` and ``params`` attributes. The wrapped exception object is available in the ``orig`` attribute. - Its type and properties are DB-API implementation specific. + Its type and properties are DB-API implementation specific. """ def instance(cls, statement, params, orig, connection_invalidated=False): @@ -96,15 +96,15 @@ class DBAPIError(SQLAlchemyError): # DBAPIError didn't exist. if isinstance(orig, (KeyboardInterrupt, SystemExit)): return orig - + if orig is not None: name, glob = orig.__class__.__name__, globals() if name in glob and issubclass(glob[name], DBAPIError): cls = glob[name] - + return cls(statement, params, orig, connection_invalidated) instance = classmethod(instance) - + def __init__(self, statement, params, orig, connection_invalidated=False): try: text = str(orig) @@ -150,3 +150,10 @@ class ProgrammingError(DatabaseError): class NotSupportedError(DatabaseError): """Wraps a DB-API NotSupportedError.""" + +# Warnings +class SADeprecationWarning(DeprecationWarning): + """Issued once per usage of a deprecated API.""" + +class SAWarning(RuntimeWarning): + """Issued at runtime.""" |