diff options
Diffstat (limited to 'lib/sqlalchemy/exc.py')
| -rw-r--r-- | lib/sqlalchemy/exc.py | 39 |
1 files changed, 21 insertions, 18 deletions
diff --git a/lib/sqlalchemy/exc.py b/lib/sqlalchemy/exc.py index 965e55692..7d333fc01 100644 --- a/lib/sqlalchemy/exc.py +++ b/lib/sqlalchemy/exc.py @@ -27,10 +27,12 @@ class ArgumentError(SQLAlchemyError): """ + class NoSuchModuleError(ArgumentError): """Raised when a dynamically-loaded module (usually a database dialect) of a particular name cannot be located.""" + class NoForeignKeysError(ArgumentError): """Raised when no foreign keys can be located between two selectables during a join.""" @@ -70,12 +72,13 @@ class CircularDependencyError(SQLAlchemyError): def __reduce__(self): return self.__class__, (None, self.cycles, - self.edges, self.args[0]) + self.edges, self.args[0]) class CompileError(SQLAlchemyError): """Raised when an error occurs during SQL compilation""" + class UnsupportedCompilationError(CompileError): """Raised when an operation is not supported by the given compiler. @@ -86,8 +89,9 @@ class UnsupportedCompilationError(CompileError): def __init__(self, compiler, element_type): super(UnsupportedCompilationError, self).__init__( - "Compiler %r can't render element of type %s" % - (compiler, element_type)) + "Compiler %r can't render element of type %s" % + (compiler, element_type)) + class IdentifierError(SQLAlchemyError): """Raised when a schema name is beyond the max character limit""" @@ -160,7 +164,7 @@ class NoReferencedColumnError(NoReferenceError): def __reduce__(self): return self.__class__, (self.args[0], self.table_name, - self.column_name) + self.column_name) class NoSuchTableError(InvalidRequestError): @@ -237,11 +241,11 @@ class StatementError(SQLAlchemyError): params_repr = util._repr_params(self.params, 10) return ' '.join([ - "(%s)" % det for det in self.detail - ] + [ - SQLAlchemyError.__str__(self), - repr(self.statement), repr(params_repr) - ]) + "(%s)" % det for det in self.detail + ] + [ + SQLAlchemyError.__str__(self), + repr(self.statement), repr(params_repr) + ]) def __unicode__(self): return self.__str__() @@ -272,9 +276,8 @@ class DBAPIError(StatementError): @classmethod def instance(cls, statement, params, - orig, - dbapi_base_err, - connection_invalidated=False): + orig, dbapi_base_err, + connection_invalidated=False): # Don't ever wrap these, just return them directly as if # DBAPIError didn't exist. if isinstance(orig, (KeyboardInterrupt, SystemExit, DontWrapMixin)): @@ -299,7 +302,7 @@ class DBAPIError(StatementError): def __reduce__(self): return self.__class__, (self.statement, self.params, - self.orig, self.connection_invalidated) + self.orig, self.connection_invalidated) def __init__(self, statement, params, orig, connection_invalidated=False): try: @@ -309,11 +312,11 @@ class DBAPIError(StatementError): except Exception as e: text = 'Error in str() of DB-API-generated exception: ' + str(e) StatementError.__init__( - self, - '(%s) %s' % (orig.__class__.__name__, text), - statement, - params, - orig + self, + '(%s) %s' % (orig.__class__.__name__, text), + statement, + params, + orig ) self.connection_invalidated = connection_invalidated |